Description General program information and/or position overview: Leidos' Undersea Systems Division is seeking a Software / Embedded Systems Engineer in San Diego, CA to join a fast-paced R&D engineering group. This role is a unique opportunity to drive innovation in underwater vehicle systems, maritime sensors, subsea telemetry, and ISR solutions that support critical defense and national security missions at Naval Information Warfare Center, Pacific (NIWC PAC). Leidos' USD is a recognized leader in C4ISR technologies, delivering innovative, mission-critical solutions across sensor networks, unmanned systems, and tactical platforms. We're known for achieving industry firsts" in the most challenging maritime domains. Join us and be part of a world-class team delivering unmatched solutions for today's most pressing maritime missions. This position will require the candidate to maintain a Secret Clearance. This position will require the candidate to work a 9/80B schedule (80 hours of work into nine days over a two-week period, allowing for every other Friday off) onsite at NIWC to align with the NIWC government team. Primary Responsibilities: This individual will work with a small team of engineers and technicians to develop, test, and deliver uncrewed underwater vehicles (UUVs) based on system requirements. Specific development includes software related to operations of UUVs as well as sensor integration. Embedded systems focus:<ul><li>Firmware Development:<ul><li>Designing, coding, and debugging system software in C/C++.</li><li>Writing device drivers and implementing communication protocols like SPI, I2C, and UART</li></ul></li><li>Hardware Integration<ul><li>Collaborating with teams to select components (microcontrollers, sensors) and ensuring firmware operates on the physical board</li></ul></li><li>System Optimization<ul><li>Analyzing and enhancing the efficiency, stability, and scalability of system resources.</li></ul></li><li>DevOps & Validation<ul><li>Managing project documents using automation tools and implementing regression tests</li></ul></li></ul><ul><li>Documentation</li><li>Maintaining code comments, design specifications, and test reports throughout project's progression</li></ul>Hardware development focus:<ul><li>Design & Architecture<ul><li>Creating detailed schematics and blueprints for computer systems, circuit boards (PCBs), and processors. This often involves selecting specific components like sensors, memory devices, and power management units</li></ul></li><li>Prototyping<ul><li>Building physical models of new hardware to prove concepts. This can include hands-on tasks like soldering components to boards in a lab setting</li></ul></li><li>Testing & Validation<ul><li>Using laboratory tools such as oscilloscopes, logic analyzers, and multimeters to verify that the physical hardware meets performance and safety specifications</li></ul></li><li>Manufacturing Oversight<ul><li>Supervising the assembly process for newly designed.</li><li>Soliciting quotes and overseeing 3rd party PCB/PCBA fabricators</li></ul></li><li>System Maintenance<ul><li>Modifying existing hardware designs to improve performance or to ensure compatibility with new software updates</li></ul></li></ul>Testing involves working onboard small boats and ships on the ocean, launching and recovering systems at-sea, and post-test analysis of data. Reporting includes providing results from post-test data analysis into official reports or briefing material. Most development and testing will be conducted in San Diego; however, engineers may occasionally travel in support of testing and/or operations in other locations both in the U.S. and abroad and may spend multiple days at-sea onboard ships. In addition to primary duties, this individual will be encouraged to develop expertise on the functionality and operations of one or more UUV platforms and may be asked to operate the system at-sea during test and evaluation. Basic Qualifications:<ul><li>This position requires U.S. citizenship. Existing security clearance is highly desired. Active SECRET (or higher) clearance is required. </li><li>Bachelor of Science (+4 years of relevant experience) or Master of Science (+2 years of relevant experience) in Computer Science or Electrical Engineering.</li><li>Must be flexible and responsive to customer needs.</li><li>Requires frequent movement around piers, docks, and facility spaces.</li><li>Required to transport or lift objects weighing up to 50 pounds across the facility.</li><li>Requires constant use of hands/fingers to operate machinery, tools, or computer equipment.</li><li>Requires ability to move about the warehouse, stoop, kneel, or reach for extended periods.</li><li>Ability to climb ladders up to 20 feet.</li><li>Requires work in various temperatures and inclement weather.</li></ul>Preferred Qualifications: Candidates should possess a large subset of the following:<ul><li>Embedded systems: electronic hardware implementation/testing and software programming</li><li>Basic Linux operation</li><li>Experience with Embedded Linux board bring-up, bootloaders (U-boot), and build systems (Yocto)</li><li>Experience with Embedded Linux driver development </li><li>Embedded RTOS Experience (freeRTOS)</li><li>Language programming fluency<ul><li>C/C++</li><li>Python</li><li>GIT workflow</li></ul></li><li>Programming experience with:<ul><li>Digital Signal Processing</li><li>Field-Programmable Gate Arrays</li><li>Microcontrollers</li><li>Real-time programming</li></ul></li><li>Experience with robotics applications.</li><li>Linear and non-linear controls theory and application. </li></ul>Applicant shall have experience working in teams to develop solutions, deliver products, and test and evaluate performance. Applicant shall have experience and skill analyzing experiment data to determine results as feedback into the development cycle. Applicant shall have strong technical writing skills to provide input to technical reports and briefing material. An ideal candidate would have experience with uncrewed underwater vehicle (UUV) operations, including experience with sensor integration, mission constructs, and command and control. Experience with at-sea test and evaluation (T&E) to include operations onboard small craft and large ships at sea is desired. A willingness to conduct such testing is required. SUBSEAMSS If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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Software / Embedded Systems Engineer

Description Leidos is in need of a software applications developer to support a dynamic and exciting software development program. This position will be part of a team of applications developers supporting multiple projects, which include high profile high visibility projects offering technical learning opportunities. These projects are all within the cloud and support multiple mission partners. The ideal candidate will have AWS experience developing for the cloud to include complete secure cloud integrations, optimizing cloud connectivity, and managed cloud services. This position is located in Northern Virginia and does not require travel. An active TS/SCI with Polygraph clearance is required to be considered. The ideal software developer will have the capacity to develop web applications using JAVA, JAVAScript, NodeJS, and/or Angular. ServiceNow and Salesforce skills are desirable skill sets to support emerging technology. The developer will work with the overall program team in the design and development of new applications as well as integrating new solutions on existing applications. The candidate will be able to analyze and solve complex application development needs to identify solutions to include potential new tools/technologies. A strong candidate will have commanding knowledge of Javascript software development principles and be energized by the capability to learn and implement new skills. The candidate should be proficient in web application development to include troubleshooting and software upgrades. Products and/or services reside in development, test and production AWS environments. Experience working in a DevOps environment developing within an Agile environment using code delivery mechanisms, such as Maven, Ant, continuous build systems such as Jenkins, Nitro, Git, and code repositories such as Subversion. Required Experience: <ul><li>Requires a Bachelor and a minimum of 12 years of prior relevant experience or Masters with minimum of 10 years of prior relevant experience</li><li>Clearance: Must have a TS/SCI with Polygraph to be considered</li><li>Experience with Java and/or JavaScript</li><li>Experience with Node or Angular</li><li>Experience with Python</li><li>Experience with Cloud Development Kit (CDK)</li><li>Experience with Serverless Application Development</li></ul>Desired Experience and Skills:<ul><li>Salesforce Development</li><li>ServiceNow Development/Administration</li><li>Docker Container experience</li><li>Experience developing in PHP or the willingness to learn PHP</li><li>Experience developing HTML views with CSS</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 4, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Application Developer

Description Join a team that is modernizing the future of air traffic management while supporting one of the nation's most critical missions. In this role, you'll contribute to the development and deployment of the FAA's Terminal Flight Data Manager (TFDM) system, helping deliver NextGen capabilities that improve the safety, efficiency, and reliability of the National Airspace System. Beyond software development, you'll have the unique opportunity to work directly with FAA customers at airport locations across the country, supporting system deployments and seeing firsthand how your work enables mission success. If you enjoy solving complex technical challenges, collaborating with customers, and making a tangible impact in operational environments, this role offers an exceptional opportunity to grow your career while supporting a program of national importance. Leidos is looking for a Software Developer focusing on System Management supporting our Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) program. The successful candidate will play a crucial role in ensuring the seamless integration and functionality of next-generation air traffic management systems. Your expertise will directly contribute to the modernization of the National Airspace System (NAS), helping deliver technology that improves the safety and efficiency of air traffic operations at airports nationwide. TFDM is the surface management solution that will provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS). The TFDM program is a Federal Aviation Administration (FAA) NextGen initiative focused on airport surface management, delivering a comprehensive integrated surface traffic control and management system that enhances efficiency for both airport surface operations and terminal airspace. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. Location: This position is based in our Egg Harbor Township, NJ office with a hybrid schedule of 3 days per week in the office and 2 days working remotely. Travel: Up to 50% travel is required for this role and is one of its most exciting aspects. You'll have the opportunity to travel to FAA airport locations across the United States, working side-by-side with customers and field teams as the TFDM system is deployed to 89 airports nationwide. This hands-on experience provides a unique chance to see your work come to life in operational environments, collaborate directly with FAA personnel, and gain firsthand insight into the technology that supports the nation's air traffic system. Travel is typically 1-2 weeks per trip, offering a rewarding balance of customer engagement, real-world system implementation, and technical problem solving. Technical Skills (Required) Core Technologies:<ul><li>Ansible - Deep experience with playbooks, roles, custom plugins, callbacks, and inventory systems</li><li>Python - Strong scripting, automation, and tool development</li><li>Bash/Shell scripting - Complex build orchestration and system automation</li><li>Linux system administration - Red Hat Enterprise Linux, package management, integration of Linux technologies, etc. Demands strong foundational Linux administration and management of the full lifecycle of systems from bare metal to operational deployment across multiple environments.</li><li>Container technology - Podman/Docker, container builds, orchestration</li></ul> Infrastructure & DevOps:<ul><li>Infrastructure as Code (IaC) practices</li><li>Configuration management at scale</li><li>CI/CD and build automation</li><li>Release management and versioning</li><li>Git workflows and collaboration</li></ul> Systems Knowledge:<ul><li>Network configuration (VLANs, IP schemes, switch configs)</li><li>Physical hardware provisioning (PXE boot, kickstart)</li><li>Virtual machine lifecycle management (VMware and KVM)</li><li>Multi-environment deployment (dev/test/prod/lab)</li><li>Package ecosystem management (RPM, pip, Ansible Galaxy)</li></ul>Bachelor's degree in computer science or related field 4+ years of proven experience in Software Engineering Technical Skills (Highly Desirable) <ul><li>Ansible best practices</li><li>YAML templating and variable hierarchies</li><li>Ansible vault and secrets management</li><li>Multi-site infrastructure coordination</li><li>Custom Ansible plugin development</li><li>AI assisted development</li></ul> Domain Experience <ul><li>Enterprise infrastructure management</li><li>Mission-critical system deployment</li><li>Multi-processor-type system architectures</li><li>Air-gapped or classified environments</li></ul> Qualities & Soft Skills Systems Thinking:<ul><li>Understand complex interdependencies (200+ Ansible roles, multiple processor types)</li><li>Trace issues across numerous environment configurations</li><li>See how changes ripple through the architecture</li></ul> Systematic & Methodical:<ul><li>Follow documented workflows (TCM verification, CAS validation)</li><li>Test thoroughly before deployment</li></ul> Problem-Solving Approach:<ul><li>Debug across multiple abstraction layers</li><li>Work within constraints of existing architecture</li></ul> Collaboration:<ul><li>Work with established patterns rather than reinventing</li><li>Coordinate across multiple sites and environments</li></ul>ATMC If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 27, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Developer

Description Leidos is seeking a junior to mid level Software Developer who will be a member of a dynamic team working on the development/maintenance of software that improves aircraft runway and terminal congestion. Nationwide congestion is increasing, and the need for efficient aircraft traffic planning is critical. The Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) is the surface management solution that will provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS). The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration's (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. Location: This position can either be at the Eagan, MN office (preferred location) or the Gaithersburg, MD office. This position is a hybrid position, where 3 days a week are in the office and 2 days a week can be worked from home office. TFDM functions include:<ul><li>Surface Collaborative Decision making (SCDM), departure scheduler and other airport decision tools</li><li>Electronic Flight Data (EFD)</li><li>Enhanced Air Traffic Control Tower (ATCT) Traffic Flow Management System (TFMS)</li><li>Replacement or integration of multiple systems in the National Airspace System (NAS).</li><li>TFDM will share data among controllers, aircraft operators, and airports so they can better stage arrivals and departures and manage traffic flow within terminal airspace for greater efficiency.</li><li>Stakeholders will have a shared awareness of flights on the ground and in the air, the ability to exchange data</li><li>electronically, with the goal of a continuous real-time picture of traffic volume and airport resources, making flights</li><li>more efficient from gate to gate.</li></ul>Responsibilities: Working both as a member of a team and independently the successful candidate will be:<ul><li>Maintaining the FAA air traffic control display software within the object-oriented environment (primarily C++/Java) on a UNIX/Linux platform.</li><li>Performing software development as needed for the TFDM system</li><li>Providing support needed for system engineering</li><li>Developing the design for the user interface framework including client and server-side components</li><li>Working in an Agile Scrum environment</li><li>Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.</li></ul>Requirements:<ul><li>Bachelor's degree in computer science or related field with 2+ years of relevant experience or a Master's degree in computer science or related field.</li><li>Experience in object-oriented design and development in C++ and Java</li><li>Experience in following a documented Software Development Process</li><li>Experience using version control tools such as Git, Subversion or CVS</li><li>Experience in use of the UNIX and Linux operating systems</li><li>The ability to obtain and maintain a Public Trust security clearance</li><li>The ability to obtain and maintain FAA Suitability</li></ul>Desired Skills:<ul><li>Experience developing graphical user interfaces using Qt</li><li>Experience in Ansible, shell script, Python</li><li>Development experience in other computer languages (C, Ada, Perl, etc.)</li><li>Familiarization with the Atlassian Tool Suite and JIRA</li><li>FAA air traffic domain knowledge</li><li>Willingness to travel to customer sites</li></ul>ATMC If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 25, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is seeking Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This work aligns with the FAA's broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments. These efforts focus on delivering mission-critical, future-ready solutions that provide safety-critical flight services to the pilot community. **Please note, this exciting position is currently unfunded and is anticipation of future work. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native capabilities. You will work alongside cross-functional teams and technical leaders to deliver predictable outcomes in a highly regulated, safety-critical environment. In this position, you will design and implement software solutions independently while working closely with systems engineering, product delivery, and DevSecOps teams. The primary focus is on developing containerized applications within an Agile/SAFe environment. This position supports government programs and requires the ability to obtain and maintain a favorable Public Trust investigation. Primary Responsibilities:<ul><li>Responsible for software development activities both individually and as a member of a team including writing, testing, debugging, and maintaining source code within an Agile environment.</li><li>Actively participate in daily stand-ups, Release Planning, and other related team activities.</li><li>Write and execute unit and functional tests.</li><li>Troubleshoot and participate in the resolution of technical issues in lab and operational environments.</li><li>Provide support as needed for system engineering, test engineering, and system owner teams.</li></ul>Basic Qualifications<ul><li>Bachelor's degree in computer science or a related field with 2-4 years of relevant experience or a Master's degree with less than 2 years of experience. </li><li>Experience with Java programming language</li><li>Experience with React</li><li>Experience with Web development and commonly used front-end tools and languages (HTML, CSS, JavaScript)</li><li>Experience with Linux</li><li>Experience with version control systems such as Git or Subversion</li><li>Experience with common development tools and IDEs (Eclipse, VS Code, etc.)</li><li>Knowledge of AI-assisted software development tools and workflows (i.e. Claude Code, Codex, etc.)</li><li>Knowledge of Cloud-based systems</li><li>Knowledge of unit testing tools such as Junit and Mockito</li><li>Understanding of sound software development principles and practices</li><li>Ability to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing</li><li>Independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment</li><li>Ability to obtain SF-85 Public Trust suitability determination</li><li>US citizenship required</li></ul>Preferred Qualifications<ul><li>Knowledge of or experience working within the Agile/SAFe framework</li><li>Knowledge of or experience with RESTful API, JSON, XML, XSD</li><li>Knowledge of or experience with Spring Framework, Spring Security, and Spring Boot</li><li>Knowledge of or experience with Python programming language</li><li>Knowledge of or experience with Ansible playbooks and YAML</li><li>Knowledge of or experience with Linux shell scripting</li><li>Knowledge of DevSecOps practices and CI/CD pipelines</li><li>Knowledge of or experience with MongoDB</li><li>Knowledge of air traffic control and flight services</li></ul>ATMC If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: June 30, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Enterprise PKI System as well as IdAM IICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a team of developers, engineers and testers to support and modernize existing PKI systems as well as developing new systems for other networks. Core business hours are typically from 9 AM - 3 PM, five days a week. Hours can be flexible for either early arrivals, and/or late departures. Some after-hours or weekend work may be required to accommodate system deployments and upgrades. The Candidate must have a strong working knowledge of Public Key Infrastructure (PKI) and understand key concepts like digital certificates and Certificate Authorities (CAs). It is highly desired the Candidate also have knowledge of Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models. Additionally, the ability to design a robust system to issue, manage, and revoke digital certificates while ensuring the integrity and authenticity of users and entities within a network is desirable. Candidates who do not have all these abilities, but have the ability to learn them, will be considered. Primary Responsibilities: The Developer will be part of a team of developers and cloud engineers that create new features for legacy PKI systems as sponsor's mission continues to expand and evolve. Our team also builds new systems as new mission needs arise. We are actively working to build new PKI systems on other networks. Our work rhythm revolves around the Scrum agile framework to deliver incremental enhancements on a 3-week cycle. Developers actively participate in planning deliverables and grooming the Jira backlog. We rely on team collaboration to continually fine tune performance and ensure clear communication. Developers also participate in a team rotation of O&M responsibilities. They are required to be on-call for after-hours support approximately one week every three months. Required Quals<ul><li>Active TS/SCI with Polygraph</li><li>Bachelor of Science (BS) degree and 4+ years of demonstrable experience. Additional experience in lieu of degree</li><li>Experience creating applications with Java, Springboot, and Amazon Web Services for backend components, focusing on low-latency, high-throughput distributed systems</li><li>As new systems are built, additional programming languages may be used</li><li>Experience working closely with product owners, business analysts, and other teams to translate business requirements into technical solutions</li><li>Experience analyzing and decomposing complex software systems and creating designs for scalability, testability, and performance</li><li>Experience writing custom scripts to install and configure code in EC2 instances</li><li>Experience using Git</li><li>Experience using CloudFormation scripts</li><li>Experience creating RESTful API</li><li>Experience using XML, JSON and YAML</li><li>Experience creating applications/services using Java, JavaScript, and bash scripting</li><li>Working with the team's security engineer to address, mitigate security findings stemming from system security scans</li><li>Experience with relational databases such as PostgreSQL and MySQL and use of SQL or PLSQL</li><li>Develop APls to Integrate systems and services</li><li>Hands-on experience with Linux (CLI)</li><li>Hands on experience with scripting and Java</li><li>Strong, hands-on experience with Linux (CLI)</li><li>Experience with scripting and programming languages like BASH and Python</li></ul>Desired Quals<ul><li>Experience with Public Key Infrastructure (PKI) and understand key concepts like digital certificates, Certificate Authorities (CAs), Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models</li><li>Experience with Jenkins</li><li>Experience delivering containerized applications with services similar to Docker and Kubernetes</li><li>Experience creating applications/services using Python</li><li>Experience with Elasticsearch and/or Kibana</li><li>Experience creating applications that rely on tokenization</li><li>Understanding of Identity Access Management (lAM) and Zero Trust concepts</li><li>Experience building microservices</li><li>Experience with automated testing frameworks such as Katalon Studio or Selenium</li></ul>FIP If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is looking for a Software Developer focusing on System Management supporting our Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) program. The successful candidate will play a crucial role in ensuring the seamless integration and functionality of air traffic management systems. Your expertise will contribute to the modernization and enhancement of the systems that support air traffic control operations. TFDM is the surface management solution that will provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS). The TFDM program is a Federal Aviation Administration's (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. **Location: This position is in our Gaithersburg, MD office 3 days a week and 2 days a week from home office. Travel: 25% travel is required for this position. Travel will be to various airports across the country as the TFDM system is deployed to 89 airports. The travel will generally be between 1 to 2 weeks per trip. Minimum Required Qualifications: <ul><li>Bachelor's degree in computer science or related field</li><li>4+ years of proven experience in Software Engineering</li><li>Must be able to obtain and maintain a Public Trust clearance</li><li>Must be a US Citizen or Permanent Resident</li></ul> Minimum Core Technologies: <ul><li>Ansible - Deep experience with playbooks, roles, custom plugins, callbacks, and inventory systems</li><li>Python - Strong scripting, automation, and tool development</li><li>Bash/Shell scripting - Complex build orchestration and system automation</li><li>Linux system administration - Red Hat Enterprise Linux, package management, integration of Linux technologies, etc. Demands strong foundational Linux administration and management of the full lifecycle of systems from bare metal to operational deployment across multiple environments.</li><li>Container technology - Podman/Docker, container builds, orchestration</li></ul> Minimum Infrastructure & DevOps experience: <ul><li>Infrastructure as Code (IaC) practices</li><li>Configuration management at scale</li><li>CI/CD and build automation</li><li>Release management and versioning</li><li>Git workflows and collaboration</li></ul> Required Systems Knowledge: <ul><li>Network configuration (VLANs, IP schemes, switch configs)</li><li>Physical hardware provisioning (PXE boot, kickstart)</li><li>Virtual machine lifecycle management (VMware and KVM)</li><li>Multi-environment deployment (dev/test/prod/lab)</li><li>Package ecosystem management (RPM, pip, Ansible Galaxy)</li></ul> Desired Technical Skills: <ul><li>Ansible best practices</li><li>YAML templating and variable hierarchies</li><li>Ansible vault and secrets management</li><li>Multi-site infrastructure coordination</li><li>Custom Ansible plugin development</li><li>AI assisted development</li></ul> Domain Experience <ul><li>Enterprise infrastructure management</li><li>Mission-critical system deployment</li><li>Multi-processor-type system architectures</li><li>Air-gapped or classified environments</li></ul> Qualities & Soft Skills Systems Thinking:<ul><li>Understand complex interdependencies (200+ Ansible roles, multiple processor types)</li><li>Trace issues across numerous environment configurations</li><li>See how changes ripple through the architecture</li></ul>Systematic & Methodical:<ul><li>Follow documented workflows (TCM verification, CAS validation)</li><li>Test thoroughly before deployment</li></ul>Problem-Solving Approach:<ul><li>Debug across multiple abstraction layers</li><li>Work within constraints of existing architecture</li></ul>Collaboration:<ul><li>Work with established patterns rather than reinventing</li><li>Coordinate across multiple sites and environments</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 18, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is looking for a Software Developer focusing on System Management supporting our Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) program. The successful candidate will play a crucial role in ensuring the seamless integration and functionality of air traffic management systems. Your expertise will contribute to the modernization and enhancement of the systems that support air traffic control operations. TFDM is the surface management solution that will provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS). The TFDM program is a Federal Aviation Administration's (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. **Location: This position is in our Gaithersburg, MD office 3 days a week and 2 days a week from home office. Travel: 25% travel is required for this position. Travel will be to various airports across the country as the TFDM system is deployed to 89 airports. The travel will generally be between 1 to 2 weeks per trip. Required Technical Skills: Core Technologies:<ul><li>Ansible - Deep experience with playbooks, roles, custom plugins, callbacks, and inventory systems</li><li>Python - Strong scripting, automation, and tool development</li><li>Bash/Shell scripting - Complex build orchestration and system automation</li><li>Linux system administration - Red Hat Enterprise Linux, package management, integration of Linux technologies, etc. Demands strong foundational Linux administration and management of the full lifecycle of systems from bare metal to operational deployment across multiple environments.</li><li>Container technology - Podman/Docker, container builds, orchestration</li></ul>Systems Knowledge:<ul><li>Network configuration (VLANs, IP schemes, switch configs)</li><li>Physical hardware provisioning (PXE boot, kickstart)</li><li>Virtual machine lifecycle management (VMware and KVM)</li><li>Multi-environment deployment (dev/test/prod/lab)</li><li>Package ecosystem management (RPM, pip, Ansible Galaxy)</li><li>Bachelor's degree in computer science or related field</li><li>2+ years of proven experience in Software Engineering</li><li>Must be able to obtain and maintain a Public Trust clearance.</li><li>Must be a US Citizen or Permanent Resident</li></ul> Technical Skills (Highly Desirable) <ul><li>Ansible best practices</li><li>YAML templating and variable hierarchies</li><li>Ansible vault and secrets management</li><li>Multi-site infrastructure coordination</li><li>Custom Ansible plugin development</li><li>AI assisted development</li></ul> Domain Experience <ul><li>Enterprise infrastructure management</li><li>Mission-critical system deployment</li><li>Multi-processor-type system architectures</li><li>Air-gapped or classified environments</li></ul>Infrastructure & DevOps:<ul><li>Infrastructure as Code (IaC) practices</li><li>Configuration management at scale</li><li>CI/CD and build automation</li><li>Release management and versioning</li><li>Git workflows and collaboration</li></ul> Qualities & Soft Skills Systems Thinking:<ul><li>Understand complex interdependencies (200+ Ansible roles, multiple processor types)</li><li>Trace issues across numerous environment configurations</li><li>See how changes ripple through the architecture</li></ul> Systematic & Methodical:<ul><li>Follow documented workflows (TCM verification, CAS validation)</li><li>Test thoroughly before deployment</li></ul> Problem-Solving Approach:<ul><li>Debug across multiple abstraction layers</li><li>Work within constraints of existing architecture</li></ul> Collaboration:<ul><li>Work with established patterns rather than reinventing</li><li>Coordinate across multiple sites and environments</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 18, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description POSITION: Software Developer Location: Colorado Springs, CO Make an Impact with Leidos! Leidos Defense Sector has an opportunity in the Integrated Tactical Warning/Attack Assessment (ITW/AA) and Missile Defense mission areas. Your Greatest Work is Ahead! This Software Developer role includes trade studies, system engineering, model-based system engineering, portfolio analysis, software development demonstration and product testing and deployment to Cheyenne Mountain. Leidos is focused on finding the best people, processes, and tools that will provide solutions in data integration and fusion, data analytics, data mining, predictive analytics, data visualization, and decision support tools. This position will report directly to the Program Manager. Primary Responsibilities:<ul><li>Design and implement containerized environments for Java and C++ applications.</li><li>Develop mission-critical software supporting missile defense systems.</li><li>Communicate and document technical solutions for integrated engineering teams in a fast-paced environment.</li><li>Stay updated on state-of-the-art programming techniques and technologies.</li><li>Conduct software design and code reviews to ensure product quality.</li><li>Collaborate with System Engineering teams to synchronize, schedule, and demonstrate capabilities to customers.</li><li>Manage regression coding and deployment delays with third-party contractors and stakeholders.</li></ul>Required Qualifications:<ul><li>Bachelor's degree in Software development or related discipline with 8+ years of relevant experience. (Additional related experience, training, and/or certifications may substitute degree requirements)</li><li>US Citizen; Currently possess an active DoD Secret security clearance.</li><li>Expertise in C++ and Java programming.</li><li>Proven experience in developing micro-services and containerized environments.</li><li>Strong ability to work independently and collaboratively within engineering teams.</li><li>Familiarity with Agile software development processes.</li></ul>Preferred Qualifications:<ul><li>Master's degree in associated field</li><li>Effective communication skills and experience managing multiple tasks.</li><li>Experience in FORTRAN</li><li>Experience with missile warning and missile defense</li><li>Understanding of missile warning message types</li></ul>AMSOPP1 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 24, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description POSITION: Software Developer Location: Colorado Springs, CO Make an Impact with Leidos! Leidos Defense Sector has an opportunity in the Integrated Tactical Warning/Attack Assessment (ITW/AA) and Missile Defense mission areas. Your Greatest Work is Ahead! This Software Developer role includes trade studies, system engineering, model-based system engineering, portfolio analysis, software development demonstration and product testing and deployment to Cheyenne Mountain. Leidos is focused on finding the best people, processes, and tools that will provide solutions in data integration and fusion, data analytics, data mining, predictive analytics, data visualization, and decision support tools. This position will report directly to the Program Manager. **This posting is for multiple opportunities across experience levels. Role level and compensation will be aligned to candidate experience.** Primary Responsibilities:<ul><li>Design and implement containerized environments for Java and C++ applications.</li><li>Develop mission-critical software supporting missile defense systems.</li><li>Communicate and document technical solutions for integrated engineering teams in a fast-paced environment.</li><li>Stay updated on state-of-the-art programming techniques and technologies.</li><li>Conduct software design and code reviews to ensure product quality.</li><li>Collaborate with System Engineering teams to synchronize, schedule, and demonstrate capabilities to customers.</li><li>Manage regression coding and deployment delays with third-party contractors and stakeholders.</li></ul>Required Qualifications:<ul><li>Bachelor's degree in Software development or related discipline with 4+ years of relevant experience. (Additional related experience, training, and/or certifications may substitute degree requirements)</li><li>US Citizen; Currently possess an active DoD Secret security clearance.</li><li>Expertise in C++ and Java programming.</li><li>Experience in developing micro-services and containerized environments.</li><li>Strong ability to work independently and collaboratively within engineering teams.</li><li>Familiarity with Agile software development processes.</li></ul>Preferred Qualifications:<ul><li>Master's degree in associated field</li><li>Effective communication skills and experience managing multiple tasks.</li><li>Experience in FORTRAN</li><li>Experience with missile warning and missile defense</li><li>Understanding of missile warning message types</li></ul>AMSOPP1 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: June 9, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description POSITION: Software Developer Location: Colorado Springs, CO Make an Impact with Leidos! Leidos Defense Sector has an opportunity in the Integrated Tactical Warning/Attack Assessment (ITW/AA) and Missile Defense mission areas. Your Greatest Work is Ahead! This Software Developer role includes trade studies, system engineering, model-based system engineering, portfolio analysis, software development demonstration and product testing and deployment to Cheyenne Mountain. Leidos is focused on finding the best people, processes, and tools that will provide solutions in data integration and fusion, data analytics, data mining, predictive analytics, data visualization, and decision support tools. This position will report directly to the Program Manager. Primary Responsibilities:<ul><li>Design and implement containerized environments for Java and C++ applications.</li><li>Develop mission-critical software supporting missile defense systems.</li><li>Communicate and document technical solutions for integrated engineering teams in a fast-paced environment.</li><li>Stay updated on state-of-the-art programming techniques and technologies.</li><li>Conduct software design and code reviews to ensure product quality.</li><li>Collaborate with System Engineering teams to synchronize, schedule, and demonstrate capabilities to customers.</li><li>Manage regression coding and deployment delays with third-party contractors and stakeholders.</li></ul>Required Qualifications:<ul><li>Bachelor's degree in Software development or related discipline with 4+ years of relevant experience. (Additional related experience, training, and/or certifications may substitute degree requirements)</li><li>US Citizen; Currently possess an active DoD Secret security clearance.</li><li>Expertise in C++ and Java programming.</li><li>Experience in developing micro-services and containerized environments.</li><li>Strong ability to work independently and collaboratively within engineering teams.</li><li>Familiarity with Agile software development processes.</li></ul>Preferred Qualifications:<ul><li>Master's degree in associated field</li><li>Effective communication skills and experience managing multiple tasks.</li><li>Experience in FORTRAN</li><li>Experience with missile warning and missile defense</li><li>Understanding of missile warning message types</li></ul>AMSOPP1 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $73,450.00 - $132,775.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description The Force Protection Division is looking for a Software Developer - Command and Control (C2) Applications to support the configuration, integration, customization, and operationalization of command-and-control (C2), Common Operating Picture (COP), workflow orchestration, and situational awareness applications supporting the Rock Island Arsenal Increased Access OTA Prototype. This position focuses on enabling operational awareness, workflow automation, event management, alerting, data fusion, and user experience enhancements within the unified operational environment. The Software Developer works closely with the Software & Platform Engineering Lead, Systems Engineering team, and operational stakeholders to support mission-focused application capabilities.. Primary Responsibilities<ul><li>C2 / COP Application Integration<ul><li>Configure and integrate command-and-control applications.</li><li>Support Common Operating Picture implementation activities.</li><li>Assist with operational dashboard development.</li><li>Support event management and alerting functions.</li></ul></li><li>Workflow Automation<ul><li>Develop and configure operational workflows.</li><li>Support workflow orchestration activities.</li><li>Assist with automated notification and response processes.</li><li>Support user-focused workflow optimization.</li></ul></li><li>Data Fusion & Operational Awareness<ul><li>Support integration of multiple data sources.</li><li>Assist with sensor-to-COP integration.</li><li>Support operational awareness functions.</li><li>Help improve information presentation and usability.</li></ul></li><li>User Experience Support<ul><li>Support operator-focused application configuration.</li><li>Assist with dashboard and display optimization.</li><li>Incorporate operator feedback into application refinements.</li><li>Support training and familiarization activities.</li></ul></li><li>Testing & Operational Validation<ul><li>Support operational workflow testing.</li><li>Assist with integration and interoperability validation.</li><li>Support Government demonstrations.</li><li>Participate in operational readiness activities.</li></ul></li></ul>Basic Qualifications<ul><li>BS and 4 - 8 years of prior relevant experience or master's with 2 - 6 years of prior relevant experience.</li><li>Experience executing agile development methodologies and practices</li><li>Windows Application Development with C# / .NET Framework</li><li>Windows Server Environments</li><li>Using REST API's and Web-based Development</li><li>Using SDKs to enable Systems Integrations</li><li>Developing and Maintaining Relational Databases</li><li>Knowledge of Cybersecurity Best Practices</li><li>US citizenship and current secret clearance</li></ul>Preferred Qualifications <ul><li>Physical security or force protection systems experience.</li><li>Knowledge of software optimization techniques</li><li>Experience writing software technical documentation</li><li>Experience supporting US Army or other DoW customers</li><li>Experience with Message Brokers (ex. Apache Kafka, Redis)</li><li>Cloud-based Development & Deployment experience (Infrastructure as Code)</li></ul>Experience supporting client / vendor operational presentations If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: June 26, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Remote

Software Developer - Command and Control (C2) Applications

Description The Analysis Solutions Business Area at Leidos is seeking Software Developers at multiple experience levels to support a government customer in Reston, VA. Candidates will join a fast-paced, mission-focused team of government and contractor personnel developing innovative software and data-driven solutions. Successful candidates will bring strong technical skills, creativity, attention to detail, and the ability to solve complex problems in dynamic environments. This position is onsite in Reston, VA and requires an active TS/SCI with Polygraph for consideration. Basic Qualifications by level - Mid-Level Software Development Engineer<ul><li>Bachelor's degree in Computer Science, Information Systems, Systems Engineering, or related field with 4+ years of experience (or Master's with 2+ years)</li><li>2+ years supporting Intelligence Community or DoD environments</li><li>Experience with software development using Java, Python, JavaScript, or TypeScript</li><li>Experience with full-stack development, including modern front-end frameworks (React/Angular) and backend services/APIs</li><li>Familiarity with SQL/NoSQL databases, ETL pipelines, and Docker/containerized environments</li><li>Exposure to cloud platforms (AWS preferred) and DevOps practices</li><li>Experience integrating AI/ML or LLM-based capabilities is a plus</li></ul>Senior Software Development Engineer<ul><li>Bachelor's degree with 8+ years of experience (or Master's with 6+ years)</li><li>3+ years supporting Intelligence Community or DoD missions</li><li>Advanced experience in software architecture, system design, and scalable application development</li><li>Strong background in data pipelines, ETL workflows, APIs, and cloud-native/containerized systems</li><li>Experience developing analytic, simulation, or scenario-based applications</li><li>Experience integrating AI/ML, LLMs, or RAG-based solutions into production systems</li><li>Ability to lead development efforts and mentor junior engineers</li></ul>Principal Software Development Engineer / Technical Lead<ul><li>Bachelor's degree with 12+ years of experience (or Master's with 10+ years)</li><li>3+ years supporting Intelligence Community or DoD missions</li><li>Deep expertise in full-stack development, system architecture, and cloud-based platforms</li><li>Experience designing complex analytic systems, simulation platforms, and large-scale data pipelines</li><li>Strong background in AI/ML, LLM integration, and advanced analytics</li><li>Proven ability to lead technical strategy, prototype innovative solutions, and guide engineering teams</li><li>Excellent communication and stakeholder engagement skills</li></ul>For All Levels - Key Responsibilities<ul><li>Design, develop, and maintain mission-focused software applications and data platforms</li><li>Build and support ETL pipelines, APIs, and data integration workflows</li><li>Develop web-based tools for analysis, visualization, and decision support</li><li>Integrate AI/ML and advanced analytics capabilities into applications</li><li>Collaborate with users and cross-functional teams to deliver scalable solutions</li><li>Support testing, debugging, optimization, and deployment activities</li><li>Contribute to technical direction, documentation, and engineering best practices</li></ul>For All Levels - Preferred Skills<ul><li>Strong problem-solving and analytical abilities</li><li>Experience working in Linux/Unix and Dockerized environments</li><li>Familiarity with AWS cloud services and DevOps methodologies</li><li>Ability to work independently and collaboratively in fast-paced mission environments</li><li>Strong written and verbal communication skills</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: May 6, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Developer - Multiple Levels - TS/SCI Poly Required

Description Leidos is seeking a Software Developer in support of NASA's National Security Systems team. This role is responsible for full-stack development, maintaining and developing web portals supporting case management and team site portals that support the security posture of networks, servers, endpoints, and other systems. This position requires the ability to work independently with general direction. Join us at AEGIS where the sky is NOT the limit! Primary Responsibilities: The Software Developer will:<ul><li>The full-stack web developer will maintain and develop existing websites and applications supporting case management and NSS Team site workflows.<ul><li>This includes assessments and consultations on the design of C#, vue.js, javescript, bootstrap, .net framework, .net 10.0, Sql Server, Sql Scripting, Java web tools, Microsoft Visual Studio web projects, applications, server management, and development of new applications.</li></ul></li><li>Work closely with the project manager, development team, information system security manager; however, the Sponsor project manager will manage the priorities.</li><li>Provide occasional on-call duty as needed.</li><li>Assess and validate software requirements across the organization.</li><li>Provide architectural design and web development support to meet web application requirements.</li><li>Participate in software design discussions and recommend implementation of the tools, technologies and techniques.</li><li>Redesign the existing Web, Software applications to add new features, optimize, scale or improve stability and performance.</li><li>Provide O&M and content management support for Sponsor's Web, software sites.</li></ul> Basic Qualifications:<ul><li>Bachelor's degree and 4+ years of prior relevant experience.</li><li>Demonstrated full-stack development experience, including developing, deploying, and maintaining software applications and systems.</li><li>Proven ability to identify and validate requirements for software applications and websites.</li><li>Working knowledge of virtual architectures and environments.</li><li>Demonstrated ability to add new features, optimize and scale applications, and improve application and web performance and stability.</li><li>Proficiency with C#, .NET Framework, .NET, and ASP.NET MVC.</li><li>Experience with Vue.js, JavaScript, Bootstrap, SQL Server, SQL scripting, Java web tools, Git version control, Microsoft Visual Studio web projects, IIS, application and server management, and new application development.</li></ul>Preferred Qualifications: Ideal candidates possess a deep understanding of the following areas:<ul><li>Software application development.</li><li>Web development and IIS.</li><li>Programming with HTML.</li><li>Developing and administering Windows based applications.</li><li>Experience with customer applications at this location, to include the case management system and work process management systems.</li><li>UI/UX expertise, CSS frameworks (Material, Bootstrap, etc.)</li><li>Expert proficiency with software design patterns and best practices.</li><li>Self-starter, works under limited guidance and well with ambiguity.</li><li>Strong critical thinking skills, test-driven development, object-oriented solid development foundation.</li></ul>Clearance Requirements:<ul><li>U.S. Citizenship is required.</li><li>Must possess an active Secret clearance; Top Secret clearance preferred.</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 31, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Developer II

Description Leidos is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customer's mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems. Primary Responsibilities: &bull; Comfort and familiarity in maintaining legacy applications &bull; Experience in modernization of legacy applications &bull; Ability to write custom scripts to install and configure code in EC2 instances &bull; Experience leveraging Amazon Web Services &bull; Experience creating RESTful API &bull; Experience with spring boot &bull; Comfort and familiarity designing and utilizing custom ETL methodology &bull; Strong communication, design, and documentation skills &bull; Strong time and workflow management skills &bull; Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute) &bull; Work within the parameters of Agile & Scrum methodologies &bull; Willingness to mentor and teach junior developers' community best practices in a constructive fashion &bull; Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutions Required Qualifications &bull; Active TS/SCI with Polygraph &bull; Master's degree and 15+ years of relevant experience. Additional experience in lieu of degree &bull; Must have experience with Java, spring boot, Angular (Typescript), React, and the Cloud / Amazon Web Services &bull; Prior experience reading and developing solutions to customer requirements and specifications &bull; Prior experience developing custom ETL &bull; Knowledge of Git, Jenkins, selenium, and Rundeck &bull; Experience working in Command Line (RH Linux) &bull; Experience with APIs and microservices Desired Qualifications &bull; Understanding and knowledge with Identity and Accessibility development practices &bull; Experience with automation methodologies like selenium &bull; Experience with containerization and modular development &bull; Familiarity with UI/UX Design &bull; Full Stack Development &bull; Certification - Amazon Web Services (AWS) FIP If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 12, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Developer SME

Description Leidos is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customers' mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems. Primary Responsibilities:<ul><li>Comfort and familiarity in maintaining legacy applications</li><li>Experience in modernization of legacy applications</li><li>Ability to write custom scripts to install and configure code in EC2 instances</li><li>Experience leveraging Amazon Web Services</li><li>Experience creating RESTful API</li><li>Experience with spring boot</li><li>Develop Java and Angular (Typescript) that leverage Elasticsearch</li><li>Comfort and familiarity designing and utilizing custom ETL methodology</li><li>Strong communication, design, and documentation skills</li><li>Strong time and workflow management skills</li><li>Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute)</li><li>Work within the parameters of Agile & Scrum methodologies</li><li>Willingness to mentor and teach junior developers' community best practices in a constructive fashion</li><li>Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutions</li></ul>Required Qualifications<ul><li>Active TS/SCI with Polygraph</li><li>Master's degree and 15+ years of relevant experience. Additional experience in lieu of degree</li><li>Must have experience with Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web Services</li><li>Prior experience reading and developing solutions to customer requirements and specifications</li><li>Prior experience developing custom ETL</li><li>Knowledge of Git, Jenkins, selenium, and Rundeck</li><li>Experiencing working in Command Line (RH Linux)</li></ul>Desired Qualifications<ul><li>Understanding and knowledge with Identity and Accessibility development practices</li><li>Experience with automation methodologies like selenium</li><li>Experience with containerization and modular development</li><li>Familiarity with UI/UX Design</li><li>Full Stack Development</li><li>Certification - Amazon Web Services (AWS)</li></ul>FIP If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description We're hiring Software Developers at multiple levels. Leidos Defense Sensors is seeking multiple Software Developers across various experience levels to join our Sensor Research and Analysis Division and support critical missile defense programs. We are hiring for several types of software development roles, including positions focused on feature and enabler development within Agile teams, as well as roles dedicated to defect resolution and rapid-response support during major test events. As a Software Developer, you will develop, create, and modify general computer application software and specialized utility programs. You will also analyze user needs and translate them into effective software solutions for our customers. Depending on the specific role, you may work directly on an Agile Software Development team to help achieve key program objectives in support of our national defense. Ideal candidates bring strong analytical and problem-solving skills, work effectively in a collaborative team environment, and build strong working relationships with peers and technical staff across the program. In all of these roles, you will play a vital part in enhancing system performance and advancing mission-critical objectives in support of our national defense. Primary Responsibilities<ul><li>Perform high-level software development using C++, Java, or similar languages, including design, development, troubleshooting, and debugging of software components.</li><li>Collaborate with program experts and user-community stakeholders to design, enhance, and debug existing software, and to develop new capabilities for integration into existing systems.</li><li>Apply sound software engineering principles to ensure code is modifiable, efficient, reliable, understandable, fault-tolerant, and reusable; support software process management and control throughout the development lifecycle.</li><li>Create and maintain automated software builds and pipelines within a Continuous Integration/Continuous Deployment (CI/CD) environment.</li><li>Contribute to software development activities as part of an Agile team, including Program Increment (PI) Planning, Feature and Story development, Sprint Planning, Iteration Retrospectives, and related team ceremonies.</li><li>Participate in team and program-level demos, including Sprint Reviews, to showcase completed work and support continuous improvement.</li><li>Maintain a positive, proactive, and collaborative attitude, contributing to a productive team culture and demonstrating enthusiasm for solving complex challenges.</li></ul>Basic Qualifications This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate's experience. If you're excited about the work but your experience level differs - PLEASE APPLY!<ul><li>Bachelor of Science in Computer Science, Software Engineering, or a related technical field from an ABET-accredited institution and 2-4 years of experience in the design, development, and testing of real-time software applications and simulations; or a Master's degree in Computer Science, Software Engineering, or a related technical field from an ABET-accredited institution with less than 2 years of relevant experience simulations</li><li>Proficiency in C++</li><li>Experience with Java and user interface development</li><li>Experience with GitLab/Git for version control</li><li>Experience with Red Hat Enterprise Linux (RHEL) environments</li><li>Knowledge of Agile methodologies, such as the Scaled Agile Framework (SAFe), and application of the Agile methodologies within a technical/engineering environment.</li><li>Strong written and verbal communication skills with the ability to create and deliver presentations</li><li>Must be a US citizen possess and maintain an active DoD Secret clearance</li><li>Candidate must be a resident of the North Alabama area to provide full time onsite support</li></ul>Preferred Qualifications<ul><li>Relevant DoD or industry experience in missile defense</li><li>Agile Scrum experience and familiarity with Agile methodologies such as the Scaled Agile Framework (SAFe)</li><li>Experience with Jira, VersionOne, or similar Agile project-management and issue-tracking tools</li><li>Experience developing and maintaining CI/CD pipelines (e.g., Ansible, Jenkins)</li><li>Experience with Python</li><li>Familiarity with modeling and simulation tools</li><li>Experience with multi-core and multi-threaded programming</li><li>Understanding of systems engineering concepts (not required to be a systems engineer)</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: July 8, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Developers

Description Leidos is seeking a Software Development Lead, who will be a member of a dynamic team in Eagan, MN, working on the development/maintenance of software that improves aircraft runway and terminal congestion. Nationwide congestion is increasing, and the need for efficient aircraft traffic planning is critical. The Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) is the surface management solution that will provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS). The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration's (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. TFDM functions include:<ul><li>Surface Collaborative Decision making (SCDM), departure scheduler and other airport decision tools</li><li>Electronic Flight Data (EFD)</li><li>Enhanced Air Traffic Control Tower (ATCT) Traffic Flow Management System (TFMS)</li><li>Replacement or integration of multiple systems in the National Airspace System (NAS).</li><li>TFDM will share data among controllers, aircraft operators, and airports so they can better stage arrivals and departures and manage traffic flow within terminal airspace for greater efficiency.</li><li>Stakeholders will have a shared awareness of flights on the ground and in the air, the ability to exchange data electronically, with the goal of a continuous real-time picture of traffic volume and airport resources, making flights more efficient from gate to gate.</li></ul>Responsibilities: Working both as a member of a team and independently the successful candidate will be:<ul><li>Maintaining the FAA air traffic control display software within the object-oriented environment (primarily C++/Java) on a UNIX/Linux platform.</li><li>Performing software development as needed for the TFDM system</li><li>Providing support needed for system engineering</li><li>Developing the design for the user interface framework including client and server-side components</li><li>Working in an Agile Scrum environment</li><li>Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.</li></ul>Required Qualifications:<ul><li>Bachelor's degree in computer science or related field with 5+ years of relevant experience.</li><li>Must be able to obtain and maintain a public trust clearance</li><li>Experience in object-oriented design and development in C++ and Java</li><li>Experience in following a documented Software Development Process</li><li>Experience using version control tools such as Git, Subversion or CVS</li><li>Experience in use of the UNIX and Linux operating systems</li></ul>Desired Skills:<ul><li>Experience developing graphical user interfaces using Qt</li><li>Experience in Ansible, shell script, Python</li><li>Development experience in other computer languages (C, Ada, Perl, etc.)</li><li>Familiarization with the Atlassian Tool Suite and JIRA</li><li>FAA air traffic domain knowledge</li><li>Willingness to travel to customer sites</li></ul>ATMC If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 25, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Development Lead

Description Leidos is seeking a Mid-Level Software Developer to support a highly technical, interdisciplinary program in partnership with the Defense Threat Reduction Agency (DTRA) and the Defense Intelligence Agency (DIA). You will build and optimize software solutions that physically and functionally characterize hardened facilities and Weapons of Mass Destruction (WMD) processes. Your code will directly drive physics-based models and effects-based simulations, empowering scientific assessments and increasing overall operational efficiency. . Key Responsibilities<ul><li>Scientific & Engineering Software Integration: Develop, maintain, and modernize software algorithms that convert complex scientific data into physics-based models.</li><li>Effects-Based Simulation Support: Build backend services and cloud-native data pipelines to support large-scale effects-based simulations for WMD and hardened facility characterization.</li><li>Workflow Automation & ETL: Architect and maintain reliable ETL data flows to ingest massive datasets from varied scientific, engineering, and intelligence formats.</li><li>Cross-Domain Data Transfer: Implement, secure, and maintain cross-domain transfer solutions to safely move critical data across unclassified and classified networks.</li><li>Cross-Discipline Collaboration: Work hand-in-hand with scientists, physicists, hardware engineers, and defense analysts to translate vague, highly complex requirements into functional, user-friendly software prototypes.</li></ul>Required Qualifications<ul><li>U.S. Citizenship is required</li><li>Active TS/SCI w/ poly level clearance</li><li>Requires deep understanding of and ability to apply principles, theories, and concepts of technical domain and has broad understanding of other related specialty areas. BS degree and 8 - 12 years of prior relevant experience or Masters with 6 - 10 years of prior relevant experience. May possess a Doctorate in technical domain.</li><li>Proficiency in high-level programming languages (e.g., Python, C++, or Java).</li><li>Experience designing and managing data pipelines using modern ETL tools and processes.</li><li>Hands-on experience developing software within AWS cloud environments (e.g., AWS GovCloud, C2S, SC2S).</li><li>Direct experience handling cross-domain transfer mechanisms (e.g., CDS, guard implementations) to securely move software data between unclassified and classified networks.</li><li>Experience with CI/CD, DevSecOps pipelines, and modern version control (Git).</li></ul>Preferred Qualifications<ul><li>Specific experience with AWS data services (e.g., AWS Glue, EMR, S3, RDS).</li><li>Familiarity with Agile methodologies and rapid prototyping to support mission-critical decisions</li><li>Background in physics-based modeling, WMD analysis, or structural/facility engineering.</li></ul>#ASBA #Snakehead If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 21, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Devoloper

Description Leidos has an exciting opportunity for a Software Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary As a Software Engineer on this program, you will have the opportunity to build strong systems, software, and cloud environments while providing operations and maintenance for critical systems. This role will provide technical expertise in the design, development, implementation and testing of customer tools and applications. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. Primary Responsibilities:<ul><li>Participates in and/or directs software programming initiatives using Java, JavaScript, Python, SpringBoot, and Hibernate.</li><li>Develops software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies</li><li>Develop, prototype and deploy solutions within Commercial Cloud Solutions leveraging infrastructure platform services</li><li>Coordinate closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases</li><li>Support the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities</li><li>Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs.</li><li>Apply and identify best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.</li></ul>Basic Qualifications:<ul><li>Strong use and experience in common Agile practices, service-orientated environments, and development practices</li><li>Strong experience with Java, Spring, C2S and the software development lifecycle, delivering within DevOps toolsets/practices</li><li>Direct experience utilizing software testing performance tools, such as Junit/Katalon and scripting languages, such as Python and Bash, while working in an Agile development environment</li><li>Strong experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS)</li><li>Strong experience using version control systems and issue/problem tracking systems</li><li>Bachelor's degree with 4 or more years of prior relevant experience or Master's with 2 or more years of relevant experience. Additional years of experience may be substituted in lieu of a degree.</li><li>To be considered must have an active TS/SCI with polygraph security clearance</li></ul>Preferred Qualifications:<ul><li>Experience with structured analysis and design methodologies</li><li>Understanding of the customer's system development policies.</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today. #CABARESTON #ASBA If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: January 22, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Engineer

Description Software Engineer (R&D / AI & Data Platforms) Leidos - Analysis Solutions Business Area Build the future of data, AI, and mission-critical software. Leidos is seeking a talented Software Engineer to help lead the development of next-generation software capabilities within our dynamic research and development environment. In this role, you'll design and deliver innovative Knowledge Management solutions that power data-driven decision-making across critical national security missions. You'll work at the intersection of data engineering, AI, and full-stack development, building scalable platforms that transform complex data into actionable insights. What You'll Do<ul><li>Design and develop Knowledge Management systems, including data pipelines, ontologies, and AI-enabled platforms</li><li>Build modern web applications (front-end and back-end) to support search, discovery, and analysis</li><li>Develop and maintain ETL pipelines and data lake architectures</li><li>Integrate AI/ML capabilities, including Generative AI and LLM APIs</li><li>Collaborate across teams to gather requirements and deliver scalable, mission-focused solutions</li><li>Support data analysis, modeling, simulation, and visualization efforts</li><li>Ensure software quality through testing, validation, and performance optimization</li><li>Deploy solutions in secure, cloud-based, and containerized environments</li></ul>What You Bring<ul><li>Experience in software development and system design, with a strong foundation in computer science principles</li><li>Proficiency in one or more programming languages such as Python, Java, C++, R, or JavaScript/TypeScript</li><li>Experience building applications using React or Angular, and back-end frameworks such as FastAPI</li><li>Familiarity with SQL and NoSQL databases</li><li>Working knowledge of cloud platforms (preferably AWS) and containerization technologies (e.g., Docker)</li><li>Experience with data pipelines, ETL processes, and data management systems</li><li>Exposure to Generative AI / LLM APIs (e.g., OpenAI, Anthropic, Bedrock)</li><li>Understanding of software testing frameworks (e.g., pytest, Playwright, Jest)</li><li>Ability to work in Linux/Unix and Windows environments</li><li>Strong communication skills and experience collaborating with technical and non-technical stakeholders</li></ul>Basic Qualifications<ul><li>TS/SCI w/Polygraph</li><li>Bachelor's degree in computer science, Information Systems, Systems Engineering, or a related field</li><li>Minimum of 1+ years of relevant experience</li><li>Interest in supporting Intelligence Community and DoD missions</li><li>U.S. Citizenship required</li></ul>Preferred Qualifications<ul><li>Advanced degree (MS) in a relevant technical field</li><li>Experience with AI/ML, LLMs, and AWS Bedrock</li><li>Familiarity with DTRA R&D or Combatant Command environments</li><li>Experience integrating COTS/GOTS tools, including 3D modeling, simulation, or visualization platforms</li></ul>What Sets You Apart<ul><li>Detail-oriented with strong problem-solving skills</li><li>Comfortable working in fast-paced, ambiguous environments</li><li>Able to independently research and implement innovative solutions</li><li>Effective collaborator who thrives both independently and on teams</li><li>Strong technical writing and presentation skills</li></ul>Why Leidos? At Leidos, your work directly supports critical national security missions. You'll join a collaborative, forward-thinking team where innovation is encouraged and your contributions make a real impact. #ASBA If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: June 24, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $57,850.00 - $104,575.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description The Undersea Systems Division (USD) at Leidos is seeking a Software Engineer to join a fast-paced, highly collaborative team developing and rapidly prototyping advanced ocean technologies. In this role, you will work closely with a multidisciplinary group of engineers to design custom software tools, integrate new technologies, and support hands-on testing of mission-critical sensor systems. Our projects span the full development lifecycle-from concept exploration and iterative design to lab evaluation and at-sea demonstrations. This role is performed fully on-site at NIWC PAC Bayside in San Diego, CA, and follows a 9/80B schedule aligned with customer operations. Primary Responsibilities<ul><li>Lead the development and maintenance of software tools that support testing and evaluation of mission-critical undersea sensor systems.</li><li>Collaborate with cross-functional engineering teams to design, integrate, and assess new and emerging sensor technologies.</li><li>Identify opportunities to adopt and integrate new technologies that improve software development workflows, testing capabilities, and automation.</li><li>Support laboratory and field testing of deliverable systems, including troubleshooting, validation, and data analysis.</li><li>Conduct periodic at-sea testing aboard small vessels and assist with post-processing and interpretation of collected data.</li></ul>Basic Qualifications<ul><li>U.S. Citizen with the ability to obtain a SECRET security clearance.</li><li>Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related STEM field and 2-4 years of relevant experience; or a Master's degree with 0-2 years of experience.</li><li>Professional software development experience with proficiency in C# (.NET Framework).</li><li>Working knowledge of C/C++ for hardware-focused or embedded applications.</li><li>Proven experience with multithreading and asynchronous programming.</li><li>Experience developing software interfaces for hardware such as DAQ systems, sensors, actuators, or custom test equipment.</li><li>Familiarity with communication protocols including Serial/RS232, I2C, SPI, or Ethernet/TCP-IP.</li><li>Competence with standard laboratory equipment (oscilloscopes, DMMs, power supplies).</li><li>A proactive, hands-on troubleshooting approach-comfortable transitioning between IDEs, lab benches, and field environments.</li><li>Ability to translate complex technical challenges into clear requirements and communicate solutions to both technical and non-technical stakeholders.</li></ul>Preferred Qualifications<ul><li>Active SECRET security clearance.</li><li>Experience developing tools for data collection, automation, or system monitoring.</li><li>Experience with Python and scientific/analysis libraries such as NumPy, SciPy, and Pandas.</li><li>Experience developing desktop GUI applications (e.g., WPF, WinForms).</li><li>Familiarity with Git-based version control workflows.</li><li>Experience using advanced electronic test equipment such as spectrum analyzers and oscilloscopes.</li></ul>Work Environment & Physical Requirements While most work is performed in an office or laboratory setting, this role occasionally requires:<ul><li>Working aboard marine vessels in varying weather and temperature conditions.</li><li>Moving through piers, docks, and industrial facilities, including stooping, kneeling, or reaching for extended periods.</li><li>Operating tools, instrumentation, and computer equipment using hands and fingers.</li><li>Lifting or transporting objects weighing up to 50 lbs.</li></ul>SUBSEAMSS If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: June 23, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Job Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to doing the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! Leidos Defense Systems is seeking a talented Software Engineer to develop high-performance applications supporting Hardware-in-the-loop laboratories for payloads and sensors. This role is ideal for engineers who enjoy building performant software today while growing into broader system-level and real-time development over time. We have offices across the United States engaging in the defense, space, cyber and commercial fields, we provide responsive, cost-effective engineering, scientific and IT solutions. If this sounds like the kind of environment where you can thrive, keep reading! Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail" missions. To explore and learn more, click here ! Are you ready to make an impact? Share your resume with us today! Primary Responsibilities: Candidate will support space and munition programs develop user-facing and simulation software that interfaces with high-performance sensor and data processing systems. These applications are tightly coupled with real-time data pipelines and hardware systems, requiring strong understanding of performance, data flow, and system behavior. Engineers in this role are expected to grow into broader system ownership over time, contributing across application, middleware, and real-time components as needed.<ul><li>Design, develop, and maintain C++-based applications and backend systems</li><li>Build software supporting data processing, visualization, and system control</li><li>Analyze and improve performance, latency, and scalability of software systems</li><li>Collaborate with cross-functional teams including software, systems, and hardware engineers</li><li>Support integration, testing, and deployment of software in test environments</li><li>Contribute to systems and features end-to-end, from development through deployment and improvement</li></ul>Basic Qualifications: Candidate must have 4+ years of experience in software development and possess a bachelor's degree or higher in Electrical Engineering, Computer Engineering, or Computer Science degree from an ABET-accredited school. Candidate must have excellent teamwork skills and possess strong fundamentals in the following:<ul><li>Proficiency in modern C++</li><li>Experience with Linux-based systems</li><li>Experience with higher-level user application development</li><li>Experience working in performance-sensitive, distributed, or systems-oriented applications</li><li>Experience with multithreaded or concurrent programming</li><li>Problem-solving skills and ability to work effectively in a team environment</li><li>Must have the ability to obtain and maintain a secret clearance.</li></ul>Preferred Qualifications: Candidate with additional skills in the following is preferred:<ul><li>Experience with messaging frameworks (e.g., ZeroMQ or similar)</li><li>Experience with communication protocols</li><li>Experience with containerization and CI/CD pipelines</li><li>Experience with Python</li><li>Familiarity with AI coding assistants (e.g., Claude Code)</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Remote

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to doing the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! Leidos Defense is seeking a talented Software Engineer to develop high-performance applications and backend systems supporting advanced sensors and mission systems. This role is ideal for engineers who enjoy building performant software today while growing into broader system-level and real-time development over time. We have offices across the United States engaging in the defense, space, cyber and commercial fields, we provide responsive, cost-effective engineering, scientific and IT solutions. If this sounds like the kind of environment where you can thrive, keep reading! Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail" missions. To explore and learn more, click here ! Are you ready to make an impact? Share your resume with us today! Primary Responsibilities: Candidates will support advanced technology radar programs to develop user-facing and backend software that interfaces with high-performance sensors and data processing systems. These applications are tightly coupled with real-time data pipelines and hardware systems, requiring strong understanding of performance, data flow, and system behavior. Engineers in this role are expected to grow into broader system ownership over time, contributing across application, middleware, and real-time components as needed.<ul><li>Design, develop, and maintain C++-based applications and backend systems</li><li>Build software supporting data processing, visualization, and system control</li><li>Analyze and improve performance, latency, and scalability of software systems</li><li>Collaborate with cross-functional teams including software, systems, and hardware engineers</li><li>Support integration, testing, and deployment of software in operational environments</li><li>Contribute to evolving system capabilities, including future real-time and high-throughput processing components</li><li>Contribute to systems and features end-to-end, from development through deployment and improvement</li></ul>Basic Qualifications:<ul><li>Bachelor's degree or higher in Electrical Engineering, Computer Engineering, or Computer Science degree from an ABET-accredited school with a strong demonstration of the skills listed below.</li><li>Candidate must have 4+ years of experience in software development.</li><li>Candidate must have excellent teamwork skills and possess strong fundamentals in the following:</li><li>Proficiency in modern C++</li><li>Experience with Linux-based systems</li><li>Experience with higher-level user application development</li><li>Experience working in performance-sensitive, distributed, or systems-oriented applications</li><li>Experience with multithreaded or concurrent programming</li><li>Problem-solving skills and ability to work effectively in a team environment</li><li>Resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama, AL area.</li><li>US Citizenship is required and active secret clearance.</li></ul>Preferred Qualifications: Candidate with additional skills in the following is preferred:<ul><li>Experience with messaging frameworks (e.g., ZeroMQ)</li><li>Experience with GPU Computing (e.g., CUDA)</li><li>Experience with containerization and CI/CD pipelines</li><li>Exposure to radar, RF, or sensor systems</li><li>Experience with Python</li><li>Experience with Flask, Angular TS, and SCSS</li><li>Experience with SQL-based Databases</li><li>Familiarity with mapping / GIS frameworks (e.g., ArcGIS, OpenLayers, MapProxy, NASA WorldWind)</li><li>Familiarity with AI coding assistants (e.g., Claude Code)</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 3, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos has a new and exciting opportunity for a Software Engineer in our INTEL Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Description: Leidos is seeking a Junior Software Development Engineer to support analysis, design, development, and testing of cross-platform applications. The role involves working with Linux and Android, using development platforms such as Qt and Android, and programming in C++. Experience with SQLite and integrating modules across languages is desired. You will work in an Agile Scrum environment, applying solid software engineering, object-oriented, and functional programming principles to produce maintainable, efficient, secure, and reliable code. Responsibilities also include supporting configuration management and understanding interfaces with APIs and host systems (virtualized, containerized, or hardware). The position collaborates closely with UI/UX engineers, software and system engineers, AI engineers, and QA teams to meet customer requirements. With a 9/80 schedule, and every other Friday off, our flexible work environment provides you a chance to change the world without giving up your personal life Required Qualifications:<ul><li>Position requires a current/active Secret DoD security clearance.</li><li>BS Degree in Computer Science or equivalent with 4-8 years' experience. </li><li>4+ years of experience developing for Linux/Unix and Android operating systems.</li><li>4+ years' experience with C++</li><li>1-4 ears of experience with Qt and Android application platforms</li><li>Experience in design and implementation of user interfaces for embedded applications / mobile devices with modern UI & Graphics frameworks.</li><li>The ideal candidate will have experience developing mobile applications with an eye for resource limited (and therefore optimized) software engineering.</li><li>Current Security + Certification (will need to achieve within 90 days of hire)</li></ul>Preferred Qualifications:<ul><li>Experience in Scrum Methodology or other Agile practices.</li><li>Experience with Mobile Application Development.</li><li>Experience with Software CM (e.g., Subversion, Git, GitLab, GitHub).</li><li>Experience with UI / UX Development Frameworks (e.g., Qt, Android, AngularJS, Ionic, GWT, SmartGWT, React, Node.js).</li><li>Experience with Agile Management Tools and Concepts (e.g., VersionOne, JIRA, Rally, etc.).</li><li>Experience with Automated Testing Tools/Technologies/Concepts (Squish for Qt, TDD, Selenium, Cucumber, Gherkin, BDD, Catch 2, Flawfinder, Valgrind).</li><li>Experience with formalized API development methodologies (e.g., OpenAPI 3.0)</li><li>Experience with SQLite, NNG, Google Protocol Buffers, Clang Format, Clang-Tidy a plus</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: June 24, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description This position is for a software engineer to join a small development team. This engineer will be responsible for participating in all aspects of the software development life cycle including requirements definition and analysis, coding and implementation, system test, and documentation generation and support. The ideal candidate will have strong problem solving skills, and must be able to communicate effectively and work in a collaborative team environment. This includes being experienced in recommending creative and sound technical solutions as well as reviewing and critiquing proposed technical solutions. Ability to self-motivate and work independently is a must. The program is made up of CONUS and OCONUS teams who regularly interact across varying time zones. As a result, the candidate must have excellent communication skills and be flexible with regards to teamwork and tasking. A demonstrated ability to perform in cross-functional teams to achieve results in a timely manner is desired. This is a technical position to support a wide variety of mission activities performed both locally and OCONUS. Candidates should have a background in software engineering best practices, object-oriented concepts and design, test driven development and unit testing frameworks like JUnit, Java build environments, library dependency management, configuration management and integrated development environments (IDE) like VS Code, Eclipse, or IntelliJ. Primary Responsibilities: <ul><li>Actively participate in requirements identification, definition and analysis</li><li>Create detailed design documentation</li><li>Develop and test software to include writing meaningful unit tests</li><li>Propose changes to current Java infrastructure</li><li>Participate in code reviews with peers</li><li>Prepare and produce software components that are deployable with associated deployment documentation</li><li>Support production systems by helping to troubleshoot issues by analyzing log files and associated data</li></ul> Clearance Requirement: Must have an active and in-scope TS/SCI With Poly to be considered Required Skills, Experience, and Education: <ul><li>Bachelor's degree in software engineering, computer science, or related subject and at least 8 years of experience OR Master's degree in software engineering, computer science, or related subject and at least 6 years OR 12 years relevant work experience with a combination of college coursework and certifications in lieu of degree</li></ul> Proficient in the following technologies and programming languages: <ul><li>Java, Java EE, Java Secure Sockets, Spring, JPA or Hibernate</li><li>Tomcat (or similar app server) </li><li>Experience using REACT or other JAVASCRIPT technologies - with additional experience using HTML, CSS, Building and Consuming RESTful web services</li><li>Scripting languages (Python and/or Bash)</li><li>Agile software development and tools like Jira</li><li>MySQL database (or similar relational database experience)</li><li>git (experience with version control systems)</li><li>VS Code, Eclipse, or IntelliJ IDE</li><li>Ant with Ivy or comparable build tools like Maven or Gradle</li><li>Linux (RHEL/Rocky) command line experience</li><li>Cloud development experience helpful</li></ul> Desired Qualifications (one or more preferred): <ul><li>Willingness to travel OCONUS to support software deployments and upgrades</li><li>Experience with cloud development including storage technologies, serverless functions and accessing cloud APIs</li><li>Experience with Android app development and security best practices</li><li>Experience with automated test tools</li><li>Familiarity with Linux system administration (RHEL/Rocky)</li></ul>#MSBA If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: April 24, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next career challenge? Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail" missions. Within the Defense Sector, Leidos currently has an opening for a talented Software Engineer to work onsite in our Huntsville office. This is an exciting opportunity to use your experience to develop software for critical counter UAS and missile defense solutions. This position focuses on supporting the complete software lifecycle of complex defense systems in a Linux environment using languages like C++ and Python. The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment, collaborating with multiple stakeholders across a multi-disciplinary team and utilizing software best practices to create unique solutions for complex mission-critical problems. Primary Responsibilities <ul><li>Developing software for use in a Linux environment</li><li>Developing software in a SAFe environment using Jira and Gitlab</li><li>Collaborating with multi-disciplinary teams to implement desired software functionality</li><li>Utilizing software best practices such as peer reviewing and unit testing</li><li>Debugging and troubleshooting software in a HWIL setting</li></ul>Basic Qualifications<ul><li>Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, or equivalent degree from an ABET-accredited university with 2+ years of experience or Master's degree</li><li>Strong competency in at least C/C++, Python</li><li>Experience with software engineering throughout the software lifecycle</li><li>Experience with software best practices such as peer reviews, automated testing, and document generation</li><li>Experience collaborating with other functional groups (systems engineering, electrical engineering, test, etc.) to create a software product</li><li>Experience working within an Agile environment (or equivalent)</li><li>Experience using tools such as Jira and Gitlab (or equivalent)</li><li>Experience developing within Qt IDE (or equivalent)</li><li>Experience developing in a Linux environment</li><li>Familiarity troubleshooting/testing software in an HWIL environment</li><li>Currently living in Huntsville, AL or willing to relocate</li><li>Currently holds or has the ability to obtain a Secret clearance</li></ul>Preferred Qualifications <ul><li>Experience with Buildroot and VMWare</li><li>Experience using Wireshark and developing software that sends communications over a network (UDP/TCP)</li><li>Supporting and maintaining CI/CD pipelines</li><li>DoD acquisition processes and methods</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: July 24, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Unleash your curiosity. Solve what others can't. At Leidos, we're not just writing code-we're decoding the unknown. Our San Diego research and engineering team tackles some of the most complex challenges in national defense using advanced signal processing, ocean remote sensing, and high-performance computing. We're looking for a Software Engineer / Computer Scientist who thrives on solving hard problems and pushing the boundaries of performance. You'll join a cross-disciplinary team of scientists and engineers-experts in hydrodynamics, physics, acoustics, and signal processing-to build high-impact software that extracts meaning from massive, complex data sets. If you're driven by innovation, energized by collaboration, and ready to see your algorithms power real-world missions-you belong here. What You'll Do<ul><li>Collaborate with scientists and engineers to design, implement, and optimize advanced algorithms that power next-generation radar, optical, and infrared sensor systems.</li><li>Engineer high-performance backend systems for scientific computing and distributed environments.</li><li>Integrate, refactor, and optimize scientific codebases, ensuring scalability and efficiency.</li><li>Translate and enhance existing code for GPU/CUDA acceleration and parallel/distributed execution.</li><li>Test, document, and evolve complex software in a Linux/Unix environment.</li><li>Work in a collaborative environment that values technical rigor, creativity, and growth.</li></ul>Required Qualifications<ul><li>Bachelor's degree in Computer Science, Applied Mathematics, Physics, or related field with 6+ years of backend software development experience; or Master's with 4+ years. Equivalent experience may be considered in lieu of degree.</li><li>U.S. citizenship and ability to obtain a Top Secret clearance (active TS preferred).</li><li>Demonstrated expertise in C/C++ backend software development, including large-scale, performance-critical applications.</li><li>Proven experience with high-performance computing, parallel/distributed processing, and standards such as MPI.</li><li>Hands-on experience with GPU/CUDA programming and optimization.</li><li>Experience with AI/ML and LLM concepts and algorithms</li><li>Strong foundation in advanced mathematics or physics, with the ability to translate theory into functional code.</li><li>Proficiency in Linux/Unix development environments.</li><li>Familiarity with scientific programming, algorithm implementation, and system-level problem-solving.</li><li>Strong understanding of software engineering principles and best practices.</li><li>Excellent written and verbal communication and software documentation skills.</li></ul>Preferred Qualifications<ul><li>Active Top Secret clearance</li><li>Familiarity with Agile development, object-oriented design, and modern software architecture.</li><li>Experience with Git, GitLab, MATLAB, and Fortran.</li><li>Knowledge of multi-threaded or shared-memory applications.</li></ul>Why Leidos? You'll be part of a team that:<ul><li>Combines science, technology, and imagination to solve real-world defense challenges.</li><li>Values your curiosity as much as your technical ability.</li><li>Invests in your professional growth through mentorship and hands-on innovation.</li></ul>At Leidos, your code doesn't just run-it defends, detects, and delivers. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: July 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Featuredjob

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to doing the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! Leidos Defense Systems is seeking a talented Software Engineer to develop high-performance applications and backend systems supporting advanced sensor and mission systems. This role is ideal for engineers who enjoy building performant software today while growing into broader system-level and real-time development over time. We have offices across the United States engaging in the defense, space, cyber and commercial fields, we provide responsive, cost-effective engineering, scientific and IT solutions. If this sounds like the kind of environment where you can thrive, keep reading! Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail" missions. To explore and learn more, click here ! Are you ready to make an impact? Share your resume with us today! Primary Responsibilities: Candidate will support advanced technology radar programs develop user-facing and backend software that interfaces with high-performance sensor and data processing systems. These applications are tightly coupled with real-time data pipelines and hardware systems, requiring strong understanding of performance, data flow, and system behavior. Engineers in this role are expected to grow into broader system ownership over time, contributing across application, middleware, and real-time components as needed.<ul><li>Design, develop, and maintain C++-based applications and backend systems</li><li>Build software supporting data processing, visualization, and system control</li><li>Analyze and improve performance, latency, and scalability of software systems</li><li>Collaborate with cross-functional teams including software, systems, and hardware engineers</li><li>Support integration, testing, and deployment of software in operational environments</li><li>Contribute to evolving system capabilities, including future real-time and high-throughput processing components</li><li>Take ownership of systems and features end-to-end, from development through deployment and improvement</li></ul>Basic Qualifications: Candidate must possess a Bachelor's degree or higher in Electrical Engineering, Computer Engineering, or Computer Science degree from an ABET-accredited school with a strong demonstration of the skills listed below. Candidate must have 4-8 years of experience in software development. Candidate must have excellent teamwork skills and possess strong fundamentals in the following:<ul><li>Strong proficiency in modern C++</li><li>Experience with Linux-based systems</li><li>Experience with higher-level user application development</li><li>Experience working in performance-sensitive, distributed, or systems-oriented applications</li><li>Experience with multithreaded or concurrent programming</li><li>Strong problem-solving skills and ability to work effectively in a team environment</li><li>Must have the ability to obtain and maintain and secret clearance.</li></ul>Preferred Qualifications: Candidate with additional skills in the following is preferred:<ul><li>Experience with messaging frameworks (e.g., ZeroMQ or similar)</li><li>Experience with containerization and CI/CD pipelines</li><li>Exposure to radar, RF, or sensor systems</li><li>Experience with tools such as MATLAB or similar for analysis or prototyping</li><li>Experience with Python</li><li>Experience with Flask, Angular TS, and SCSS</li><li>Experience with SQL-based Databases</li><li>Familiarity with mapping / GIS frameworks (ArcGIS, Openlayers, Mapproxy, Worldwind, etc)</li><li>Familiarity with AI coding assistants (e.g. Claude Code)</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: July 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to doing the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Your greatest work is ahead! Leidos Defense Systems is seeking a talented Software Engineer to develop high-performance applications and backend systems supporting advanced sensor and mission systems. This role is ideal for engineers who enjoy building performant software today while growing into broader system-level and real-time development over time. We have offices across the United States engaging in the defense, space, cyber and commercial fields, we provide responsive, cost-effective engineering, scientific and IT solutions. If this sounds like the kind of environment where you can thrive, keep reading! Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail" missions. To explore and learn more, click here ! Are you ready to make an impact? Share your resume with us today! Primary Responsibilities: Candidate will support advanced technology radar programs develop user-facing and backend software that interfaces with high-performance sensor and data processing systems. These applications are tightly coupled with real-time data pipelines and hardware systems, requiring strong understanding of performance, data flow, and system behavior. Engineers in this role are expected to grow into broader system ownership over time, contributing across application, middleware, and real-time components as needed.<ul><li>Design, develop, and maintain C++-based applications and backend systems</li><li>Build software supporting data processing, visualization, and system control</li><li>Analyze and improve performance, latency, and scalability of software systems</li><li>Collaborate with cross-functional teams including software, systems, and hardware engineers</li><li>Support integration, testing, and deployment of software in operational environments</li><li>Contribute to evolving system capabilities, including future real-time and high-throughput processing components</li><li>Contribute to systems and features end-to-end, from development through deployment and improvement</li></ul>Basic Qualifications: Candidate must possess a Bachelor's degree or higher in Electrical Engineering, Computer Engineering, or Computer Science degree from an ABET-accredited school with a strong demonstration of the skills listed below. Candidate must have 2-4 years of experience in software development. Candidate must have excellent teamwork skills and possess strong fundamentals in the following:<ul><li>Proficiency in modern C++</li><li>Experience with Linux-based systems</li><li>Experience with higher-level user application development</li><li>Experience working in performance-sensitive, distributed, or systems-oriented applications</li><li>Experience with multithreaded or concurrent programming</li><li>Problem-solving skills and ability to work effectively in a team environment</li><li>Must have the ability to obtain and maintain a secret clearance.</li></ul>Preferred Qualifications: Candidate with additional skills in the following is preferred:<ul><li>Experience with messaging frameworks (e.g., ZeroMQ or similar)</li><li>Experience with containerization and CI/CD pipelines</li><li>Exposure to radar, RF, or sensor systems</li><li>Experience with Python</li><li>Experience with Flask, Angular TS, and SCSS</li><li>Experience with SQL-based Databases</li><li>Familiarity with mapping / GIS frameworks (ArcGIS, Openlayers, Mapproxy, Worldwind, etc)</li><li>Familiarity with AI coding assistants (e.g. Claude Code)</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: July 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos has a new and exciting opportunity for a Software Engineer in our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits Leidos Pay and Benefits , including 4 or more weeks Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! As a software engineer you will support the full lifecycle of enterprise infrastructure solutions across mission-critical environments, including design, development, integration, operations, modernization, and sustainment activities. This role leverages Python development, GUI applications, and Bill of Materials (BOMs) integration capabilities to automate processes, enhance system performance, and improve operational visibility across mission systems. The position requires collaboration with Government stakeholders, technical teams, and senior leadership to solve complex engineering challenges while ensuring compliance with ISO/IEC 15288 systems engineering standards and delivering high-quality technical solutions in support of mission objectives. Primary Responsibilities<ul><li>Design, develop, and maintain Python-based automation tools and infrastructure solutions supporting enterprise and mission environments.</li><li>Develop and enhance GUI applications and dashboards for operational monitoring, data visualization, and system management.</li><li>Analyze system performance, operational data, and technical trends to support mission and engineering decisions.</li><li>Support BOM integration, configuration management, and infrastructure sustainment across enterprise systems.</li><li>Apply systems engineering principles throughout the system lifecycle, including requirements analysis, design, integration, testing, operations, and maintenance.</li><li>Perform technical analysis and provide recommendations for infrastructure improvements, modernization efforts, and engineering alternatives.</li><li>Collaborate with Government stakeholders and cross-functional teams to develop technical documentation, resolve system issues, and ensure quality engineering deliverables aligned with ISO/IEC 15288 standards.</li></ul>Basic Qualifications:<ul><li>Bachelor's degree in Engineering, Computer Science, Information Systems, or a related technical discipline from an accredited college or university with a minimum of six (6) years of systems engineering and/or software engineering experience supporting enterprise or mission-critical environments; candidates without a Bachelor's degree may be considered on a case-by-case basis and must possess an additional four (4) years of relevant engineering experience. Masters Degrees may count towards experience.</li><li>Experience developing Python-based automation solutions, GUI applications, and utilizing enterprise analytics or monitoring platforms to support infrastructure and mission operations</li><li>Knowledge of BOM integration, systems engineering lifecycle processes, and ISO/IEC 15288 standards, with strong analytical, troubleshooting, communication, and collaboration skills in fast-paced mission environments</li><li>Security Clearance Requirement - Active TS/SCI with Polygraph</li></ul>conmd KQW If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path. Leidos has an exciting opening for you as our next TS/SCI cleared Software Engineer supporting a long-term DIA-NDOC DOMEX Technology Platform (DTP) contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include middle-tier and backend engineering tasks. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely. The percentage of remote work will vary based on client requirements/deliverables. Specifically, we are looking for a skilled Python developer to join our team to build and maintain scalable microservices that interface with Kafka for real-time messaging and Elasticsearch for data indexing and search. You'll deploy and monitor your services in a Kubernetes environment and collaborate with cross-functional teams in designing reliable, observable, and secure systems. Our client's overall mission is to design and implement a data centric architecture that leverages cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems. You will work closely with the team on the following key tasks <ul><li>Design, develop, test, and maintain Python microservices</li><li>Implement message consumers and producers with Apache Kafka</li><li>Integrate with Elasticsearch for real-time and batch data indexing and querying</li><li>Write unit and integration tests; ensure high code coverage and reliability</li><li>Build CI/CD pipelines for your services and deploy them in Kubernetes clusters</li><li>Participate in design discussions, code reviews, and architecture planning</li><li>Monitor and troubleshoot production issues with observability tools</li><li>Contribute to technical documentation and knowledge sharing within the team</li><li>Utilizes software engineering and design methodologies appropriate to the development, integration, and production environment</li><li>Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers</li></ul> To be successful in this role you need these skills (required): <ul><li>Bachelor's Degree and 2 or more years of prior relevant experience</li><li>Must possess an Active Top Secret/SCI clearance and ability to obtain and maintain a Polygraph</li><li>Proficiency in Python and related backend frameworks (e.g., FastAPI, Flask).</li><li>Experience with containerization, especially with Docker</li><li>Experience in Extraction, Transformation, and Load (ETL)</li><li>Hands-on development experience in a Linux environment including bash or bash-like scripting</li><li>Strong understanding of RESTful APIs and microservice architecture</li><li>Hands-on experience with Kubernetes: deploying, monitoring, and debugging services</li><li>Understanding of common design patterns, security practices, and logging/monitoring principles</li><li>Familiarity with Git and collaborative workflows (PRs, reviews)</li><li>Experience with DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or Jenkins</li><li>Strong verbal and written communication skills</li><li>Experience with AGILE practices</li><li>Enthusiastic with the ability to work well in a team and a self-starter who can work on their own</li></ul>You will wow us even more if you have some of these skills:<ul><li>Experience with designing and implementing software development kits</li><li>Familiarity DGX (Deep GPU Xceleration)</li><li>Active Security+ certification and ability to obtain Privileged User Account (PUA) certification by the Government</li><li>Elasticsearch certifications or other program stack related certifications</li><li>Experience of a production/enterprise systems at scale</li><li>Knowledge of distributed systems concepts (e.g., idempotency, eventual consistency)</li><li>Familiarity with schema registries and Kafka streaming patterns</li><li>Experience blending analytical methodologies and leveraging existing COTS/GOTS/OS tools in an unconventional manner.</li><li>Experience with Amazon Web Services (AWS/C2S)</li><li>Familiarity or experience with building applications around Large Language Models, Agentic AI</li></ul>#NMECDTP-Leidos #ASBA If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 8, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next career challenge? Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail" missions. Within the Defense Sector, Leidos currently has an opening for a talented Software Engineer to work onsite in our Huntsville office. This is an exciting opportunity to use your experience to develop software for critical counter UAS and missile defense solutions. This position focuses on supporting the complete software lifecycle of complex defense systems in a Linux environment using languages like C++ and Python. The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment, collaborating with multiple stakeholders across a multi-disciplinary team and utilizing software best practices to create unique solutions for complex mission-critical problems. Primary Responsibilities <ul><li>Developing software for use in a Linux environment</li><li>Developing software in a SAFe environment using Jira and Gitlab</li><li>Collaborating with multi-disciplinary teams to implement desired software functionality</li><li>Utilizing software best practices such as peer reviewing and unit testing</li><li>Debugging and troubleshooting software in a HWIL setting</li></ul>Basic Qualifications<ul><li>Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, or equivalent degree from an ABET-accredited university with 2+ years of experience or Master's degree</li><li>Strong competency in at least C/C++, Python</li><li>Experience with software engineering throughout the software lifecycle</li><li>Experience with software best practices such as peer reviews, automated testing, and document generation</li><li>Experience collaborating with other functional groups (systems engineering, electrical engineering, test, etc.) to create a software product</li><li>Experience working within an Agile environment (or equivalent)</li><li>Experience using tools such as Jira and Gitlab (or equivalent)</li><li>Experience developing within Qt IDE (or equivalent)</li><li>Experience developing in a Linux environment</li><li>Familiarity troubleshooting/testing software in an HWIL environment</li><li>Currently living in Huntsville, AL or willing to relocate</li><li>Currently holds or has the ability to obtain a Secret clearance</li></ul>Preferred Qualifications <ul><li>Experience with Buildroot and VMWare</li><li>Experience using Wireshark and developing software that sends communications over a network (UDP/TCP)</li><li>Supporting and maintaining CI/CD pipelines</li><li>DoD acquisition processes and methods</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: July 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description About Leidos Leidos is a FORTUNE 500&reg; company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health industries. We deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. The Leidos Intel Sector combines technology-enabled services and mission software capabilities to support Intelligence Community customers as they address evolving national security challenges. About the Opportunity Leidos is seeking an experienced Software Engineer to develop, maintain, integrate, and enhance complex software systems supporting critical mission needs. You will work individually and as part of an engineering team to translate user requirements into software solutions, develop and modify software, integrate capabilities into operational environments, troubleshoot defects, and evaluate software performance. Depending on assignment, the role may also include significant Linux system support, Splunk, scripting, automation, data technologies, and supporting infrastructure. Why This Role Matters Mission software must perform reliably within complex technical and operational environments. As a Software Engineer, you will help turn requirements into working capabilities while solving software, data, integration, and performance problems throughout the development lifecycle. Your work will contribute to both the functionality of individual software components and their successful integration into larger mission systems. What You'll Do Software Design & Development<ul><li>Analyze user requirements to derive software design and performance requirements.</li><li>Design and code new software or modify existing software to add capabilities.</li><li>Develop and implement algorithms to meet system performance and functional standards.</li><li>Debug existing software and correct defects.</li><li>Modify software to adapt to new hardware, correct errors, or improve performance.</li><li>Design, develop, and modify software systems using appropriate scientific analysis and mathematical models to evaluate design outcomes and consequences.</li></ul>Integration, Data & System Performance<ul><li>Integrate existing software into new or modified systems and operating environments.</li><li>Develop data queries for existing or proposed databases and data repositories.</li><li>Design or implement complex database and data-repository interfaces and queries.</li><li>Develop software solutions by analyzing system performance standards, system flows, data usage, work processes, and technical problem areas.</li><li>Work with users and systems engineers to understand requirements, performance expectations, and operating constraints.</li><li>Contribute to system-design decisions involving hardware/software tradeoffs, software reuse, COTS/GOTS alternatives, and allocation of requirements to software components.</li></ul>Testing, Documentation & Engineering Practices<ul><li>Review and test software components for adherence to design requirements and document test results.</li><li>Assist in developing and executing test procedures for software components.</li><li>Resolve software problem reports.</li><li>Write and review software and system documentation.</li><li>Apply software development and design methodologies appropriate to the development environment.</li><li>Recommend improvements to documentation and software-development process standards.</li><li>Serve as a team lead when appropriate to the software-development process and project environment.</li></ul>This posting is for multiple opportunities Required Qualifications Clearance<ul><li>TS/SCI with Polygraph upon Application, to be considered for this position.</li></ul>Education & Experience<ul><li>Minimum of seven (7) years of experience as a Software Engineer supporting programs or contracts of similar scope, type, and complexity.</li><li>Bachelor's degree in Computer Science or a related discipline from an accredited college or university.</li><li>Four (4) additional years of Software Engineering experience on projects using similar software processes may be substituted for the bachelor's degree.</li></ul>Assignment-Specific Technical Requirements Technical requirements vary by assignment. Candidates are not expected to meet the requirements of every project profile below; they should meet the requirements associated with the specific project for which they are being considered. Project 1 - Linux, Splunk & Automation Required<ul><li>1+ years of experience with Splunk.</li><li>2+ years of experience with databases, Ansible, JSON, JavaScript, and Bash scripting.</li><li>4+ years of experience with Linux.</li><li>Experience providing comprehensive support for systems and servers, including operating system and application installation and configuration, daily operations, and troubleshooting.</li></ul>Desired<ul><li>Working knowledge of data-flow technologies identified for the project, including Niagrafiles, low-latency message transport, smart-collection systems, site-specific distribution management, and relevant protocols.</li><li>Working knowledge of Puppet.</li><li>Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE).</li></ul>Project 2 - Splunk, Linux & Data Integration Required<ul><li>2+ years of experience with Splunk, including Splunk Query Language, reporting, dashboards, and visualizations.</li><li>3+ years of experience with Python, databases, JSON, Bash/Shell scripting, Java, and XML.</li><li>3+ years of Linux experience providing system/server support, including operating system and application installation, configuration, administration, and troubleshooting.</li><li>Familiarity with automation, distributed computing, load balancing, network protocols, hardware, virtualization, security architectures, firewalls, and switches.</li></ul>Desired<ul><li>Splunk Core Certified Power User certification.</li><li>Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE).</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 26, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos Defense is seeking a Senior Software Engineer to join our team in our San Diego facility, supporting the U.S. Navy's AN/SQQ-89(V) Anti-Submarine Warfare (ASW) systems. Our program helps modernize Navy ships by replacing outdated sonar systems with updated AN/SQQ-89(V)15 systems, supporting the installation, logistics, quality checks, and training needed to prepare ship personnel to operate the new systems. In this role, you will focus on modernizing the AN/SQQ-89(V) ASW Training System by transitioning Tactical Insertion (TI) hardware-based solutions to a scalable, virtualized Linux training platform. You'll work with Red Hat Enterprise Linux (RHEL), KVM, Open vSwitch, Python, Ansible, and hardware passthrough technologies to support complex Navy training and simulation environments. What You'll Do<ul><li>Design, deploy, and maintain virtualized environments supporting AN/SQQ-89(V)15 training capabilities.</li><li>Migrate software and services from Tactical Insertion hardware platforms to virtualized environments using KVM, libvirt, virsh, and VirtIO.</li><li>Build and maintain RHEL 7/8 system images, templates, and repositories.</li><li>Develop automated deployment and configuration solutions using Ansible.</li><li>Create Python utilities and scripts for system administration, testing, monitoring, and data management.</li><li>Configure and maintain Open vSwitch environments supporting multiple networks and high-throughput virtual machine communications.</li><li>Integrate physical and virtual networking within tactical training environments.</li><li>Troubleshoot complex virtualization, Linux, networking, storage, hardware, and application integration issues.</li><li>Support performance tuning and optimization of virtualized systems, networking, storage, and compute resources.</li><li>Support software integration, system verification, validation, and acceptance testing.</li><li>Collaborate with software developers, systems engineers, cybersecurity personnel, and training system stakeholders.</li><li>Support cybersecurity compliance activities, including STIG implementation, vulnerability remediation, and RMF activities.</li><li>Develop and maintain architecture diagrams, deployment guides, standard operating procedures, and automation documentation.</li><li>Support modernization efforts focused on improving the portability, scalability, and maintainability of training environments.</li></ul>What We're Looking For<ul><li>Bachelor's degree with 4-8 years of relevant experience, or a Master's degree with 2-6 years of relevant experience.</li><li>Experience with Linux systems engineering, virtualization, software development, or platform engineering.</li><li>Experience administering Red Hat Enterprise Linux (RHEL) environments.</li><li>Strong experience with KVM, libvirt, and virsh.</li><li>Experience implementing and troubleshooting Open vSwitch (OVS).</li><li>Experience with hardware passthrough technologies, including PCIe passthrough, VFIO, SR-IOV, and IOMMU configuration.</li><li>Experience developing infrastructure automation using Ansible.</li><li>Experience developing software and automation tools using Python.</li><li>Strong understanding of Linux networking concepts, including VLANs, bridges, routing, bonding, and virtual switching.</li><li>Experience troubleshooting integration issues across hardware, operating systems, networking, and applications.</li><li>Ability to obtain and maintain a DoD security clearance.</li></ul>Preferred Qualifications<ul><li>Experience supporting AN/SQQ-89(V)15 or AEGIS combat systems.</li><li>Red Hat Certified Engineer (RHCE).</li><li>Experience with high-performance networking and low-latency virtualized environments.</li><li>Experience supporting GPU, FPGA, capture card, or other specialized hardware passthrough to virtual machines.</li><li>Familiarity with distributed storage, NFS, iSCSI, and SAN technologies.</li><li>Experience with FreeIPA, LDAP, Kerberos, and enterprise Linux identity management.</li><li>Experience supporting RMF, STIG implementation, ACAS, and cybersecurity compliance initiatives.</li><li>Active Secret or Top Secret clearance.</li></ul>If you have a strong Linux and virtualization background and are interested in applying those skills to modernize U.S. Navy training systems, we encourage you to apply. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 24, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. We are currently looking to add a Junior Software Engineer to our team in Bowie Maryland. The successful candidate will be responsible for designing and implementing real-time signal processing algorithms on GPUs. If this sounds like you, please keep reading. You will be responsible for:<ul><li>Contributing to design and development of advanced systems as a part of multi-disciplinary teams. These teams are made up of other software team members and subject matter experts from the areas of systems engineering, hardware, firmware, machine learning, RF front end design, and signal processing.</li><li>Achieving key project/program objectives and deliverables for entire projects or processes spanning multiple technical areas and independently managing large projects or processes</li><li>A solid understanding of GPU programming and parallel computing architectures</li><li>Understanding signal processing algorithms written in MATLAB</li><li>Parallelization of existing algorithms</li><li>Decomposing complex signal processing chains into discrete components and kernels</li><li>Hand crafting CUDA kernels for high performance</li><li>Designing and implementing multi-threaded software architectures</li><li>Designing, implementing, and testing high speed data transfer / Latency codes</li><li>Designing, implementing, and testing real-time C/C++ software for multi-core systems running Linux operating systems</li><li>Build software products that utilize third party mathematics and communication libraries</li><li>Interface communication standards / protocols such as TCP/IP, UDP, and DDS</li><li>Work with Linux operating system as well as experience with real-time operating systems</li><li>Documenting the developed systems</li><li>Support system field testing and collection events</li></ul>The successful candidate will have the following education/experience:<ul><li>Bachelor's Degree in Computer Engineering, Electrical Engineering, or Computer Science</li><li>3+ years of software development experience, including strong experience in C/C++ software development</li><li>Experience with NVIDIA development and profiling tools and libraries</li><li>Experience using version control (Subversion, GIT, etc.) and continuous integration software tools</li><li>Must be able to obtain and maintain a DoD Secret clearance. (U.S. Citizenship is required)</li></ul>Bonus education/experience:<ul><li>Master's Degree in Computer Engineering, Electrical Engineering, Computer Science, or equivalent</li><li>Experience with Machine Learning and/or Artificial Intelligence algorithms and libraries, such as TensorFlow</li><li>Experience with MATLAB GPU coder tool</li><li>Experience with High Performance Computing including parallel and distributed computation</li><li>Experience with Model-Based Design code generation practices</li><li>Experience with other programming languages such as Java</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 9, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Sector employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics. Within the Defense Sector, the Airborne Systems Business Area at Leidos currently has an opening for a talented Flight Software Engineer to work in our Huntsville office. This is an exciting opportunity to use your experience to help develop software for tactical strike, sensors, autonomy, CUAS, and UAS solutions. This position focuses on the development of robust, innovative software frameworks, as well as the fielding, support, and maintenance of software products. Software products range from analysis tools/simulations, mission planning software, and components of mission-critical systems. This position may include development using embedded computing technologies such as drivers, flash memory, bootloaders, board support packages, PCBs, JTAG, real-time operating system (RTOS), single board computers, system-on-chip (SoC), and hardware interfaces and protocols. Primary Responsibilities <ul><li>Design and develop robust C/C++ embedded software under the oversight of a senior software developer.</li><li>Assist with creating and executing unit and integration tests on software components.</li><li>Perform as part of an agile software development team for tasking and progress reporting.</li><li>Participate in code reviews to maintain code quality and share knowledge with the team.</li><li>Troubleshoot and resolve application issues and bugs in a timely manner.</li><li>Other software development duties as assigned.</li><li>Use GitLab software pipeline for performing configuration management, continuous integration, and automated testing.</li><li>Direct communication with customers, end users, and team members will be required on a frequent basis.</li></ul>Basic Qualifications<ul><li>Candidate must possess at least a bachelor's degree in software engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent technical degree with an overall GPA of 3.0 or higher.</li><li>The candidate must have 2-4 years of relevant technical experience with a BS degree or 0-2 years of experience with a MS degree. </li><li>Have a proven track record of implementing software development principles.</li><li>Candidate must demonstrate a strong competency in software development in either C/C++, Java, C#, Rust, or Python programming languages.</li><li>Candidate is expected to participate in peer reviews and accept constructive feedback from more senior software team members.</li><li>Have experience writing unit and integration tests with unit test frameworks.</li><li>Possess an aptitude for the technical skillsrequired for software development, configuration management, and software quality engineeringconcepts.</li><li>Have strong analytical and process improvement skills along with apersonal drive for details and quality workmanship.</li><li>Possess an aptitude for the technical skillsrequired for software test and software quality engineeringconcepts.</li><li>Aptitude with Linux and Windows operating systems and their respective development tools/IDEs, scripts, debuggers, and administrative features is also expected.</li><li>Familiarity with Agile development methodologies and use of one or more Agile tools, such as Gitlab Ultimate, Atlassian Jira, Trello, or Monday.com.</li><li>Demonstrate familiarity with Microsoft Office(Outlook, Word, Excel, and PowerPoint).</li><li>Have good verbal and written communication skills.</li><li>Must be a resident of North Alabama or willing to relocate to the Huntsville-North Alabama area.</li><li>Must possess a secret clearance or be eligible to obtain and maintain.</li></ul>Preferred Qualifications<ul><li>Experience with applicable industry standards (IEEE 12207, CMMI, DO-178C and/or DO-278, RMF) is a plus.</li><li>Interest and/or experience in software development using AI tools is also a plus.</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers and engineers have experience spanning centuries of research, development, and operations missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics, a Leidos company is uniquely qualified to anticipate tomorrow's threats and build the next generation of capabilities. Primary Responsibilities: <ul><li>Test front-end user interfaces to ensure functionality and usability.</li><li>Write and maintain automated test scripts for UI verification using tools such as Robot Framework (Python).</li><li>Design and code new automated test scripts or modify existing ones to add new features.</li><li>Debug existing automated test scripts and correct defects.</li><li>Collaborate with developers to design, implement, and validate features in React and related front-end libraries.</li><li>Support integration of UI components with back-end services written in Java and/or C++.</li><li>Participate in Agile development teams, contributing to sprint planning, code reviews, and daily stand-ups.</li><li>Document test cases, results, and processes to support ongoing quality assurance.</li><li>Explore and apply other front-end automation tools as appropriate to improve efficiency.</li></ul> Basic Qualifications: <ul><li>Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree. Masters Degrees may count toward experience requirements</li><li>Seven or more years related experience</li><li>Clearance Requirement: Active Top Secret/SCI clearance with Polygraph.</li></ul> Preferred Qualifications: <ul><li>Experience with front-end development and/or UI testing.</li><li>Familiarity with React, Java, and/or C++.</li><li>Ability to write test scripts in Python (Robot Framework experience strongly preferred).</li><li>Hands-on experience with Robot Framework for UI automation.</li><li>Exposure to other front-end automation tools (e.g., Selenium, Cypress).</li><li>Knowledge of modern web technologies: JavaScript, TypeScript, HTML, CSS.</li><li>Experience working in Agile development environments.</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: July 22, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next career challenge? Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world's toughest security challenges for customers with can't fail" missions. Within the Defense Sector, Leidos currently has an opening for a talented Software Engineer to work onsite in our Huntsville office. This is an exciting opportunity to use your experience to develop software for critical counter UAS and missile defense solutions. This position focuses on supporting the complete software lifecycle of complex defense systems in a Linux environment using languages like C++ and Python. The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment, collaborating with multiple stakeholders across a multi-disciplinary team and utilizing software best practices to create unique solutions for complex mission-critical problems. Primary Responsibilities <ul><li>Developing software for use in a Linux environment</li><li>Developing software in a SAFe environment using Jira and Gitlab</li><li>Collaborating with multi-disciplinary teams to implement desired software functionality</li><li>Utilizing software best practices such as peer reviewing and unit testing</li><li>Debugging and troubleshooting software in a HWIL setting</li></ul>Basic Qualifications<ul><li>Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, or equivalent degree from an ABET-accredited university with 2+ years of experience or Master's degree</li><li>Strong competency in at least C/C++, Python</li><li>Experience with software engineering throughout the software lifecycle</li><li>Experience with software best practices such as peer reviews, automated testing, and document generation</li><li>Experience collaborating with other functional groups (systems engineering, electrical engineering, test, etc.) to create a software product</li><li>Experience working within an Agile environment (or equivalent)</li><li>Experience using tools such as Jira and Gitlab (or equivalent)</li><li>Experience developing within Qt IDE (or equivalent)</li><li>Experience developing in a Linux environment</li><li>Familiarity troubleshooting/testing software in an HWIL environment</li><li>Currently living in Huntsville, AL or willing to relocate</li><li>Currently holds or has the ability to obtain a Secret clearance</li></ul>Preferred Qualifications <ul><li>Experience with Buildroot and VMWare</li><li>Experience using Wireshark and developing software that sends communications over a network (UDP/TCP)</li><li>Supporting and maintaining CI/CD pipelines</li><li>DoD acquisition processes and methods</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: July 24, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Sector employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics. Within the Defense Sector, the Airborne Systems Business Area at Leidos currently has an opening for a talented Flight Software Engineer to work in our Huntsville office. This is an exciting opportunity to use your experience to help develop software for tactical strike, sensors, autonomy, CUAS, and UAS solutions. This position focuses on the development of robust, innovative software frameworks, as well as the fielding, support, and maintenance of software products. Software products range from analysis tools/simulations, mission planning software, and components of mission-critical systems. This position may include development using embedded computing technologies such as drivers, flash memory, bootloaders, board support packages, PCBs, JTAG, real-time operating system (RTOS), single board computers, system-on-chip (SoC), and hardware interfaces and protocols. Primary Responsibilities<ul><li>Design and develop robust C/C++ embedded software under the oversight of a senior software developer.</li><li>Assist with creating and executing unit and integration tests on software components.</li><li>Perform as part of an agile software development team for tasking and progress reporting.</li><li>Participate in code reviews to maintain code quality and share knowledge with the team.</li><li>Troubleshoot and resolve application issues and bugs in a timely manner.</li><li>Other software development duties as assigned.</li><li>Use GitLab software pipeline for performing configuration management, continuous integration, and automated testing.</li><li>Direct communication with customers, end users, and team members will be required on a frequent basis.</li></ul>Basic Qualifications <ul><li>Candidate must possess at least a bachelor's degree in software engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent technical degree with an overall GPA of 3.0 or higher.</li><li>The candidate must have 8+ years of relevant technical experience or 6+ with a MS degree. </li><li>Have a proven track record of implementing software development principles.</li><li>Candidate must demonstrate a strong competency in software development in either C/C++, Java, C#, Rust, or Python programming languages.</li><li>Candidate is expected to participate in peer reviews and accept constructive feedback from more senior software team members.</li><li>Have experience writing unit and integration tests with unit test frameworks.</li><li>Possess an aptitude for the technical skillsrequired for software development, configuration management, and software quality engineeringconcepts.</li><li>Have strong analytical and process improvement skills along with apersonal drive for details and quality workmanship.</li><li>Possess an aptitude for the technical skillsrequired for software test and software quality engineeringconcepts.</li><li>Aptitude with Linux and Windows operating systems and their respective development tools/IDEs, scripts, debuggers, and administrative features is also expected.</li><li>Familiarity with Agile development methodologies and use of one or more Agile tools, such as Gitlab Ultimate, Atlassian Jira, Trello, or Monday.com.</li><li>Demonstrate familiarity with Microsoft Office(Outlook, Word, Excel, and PowerPoint).</li><li>Have good verbal and written communication skills.</li><li>Must be a resident of North Alabama or willing to relocate to the Huntsville-North Alabama area.</li></ul>Preferred Qualifications<ul><li>Experience with applicable industry standards (IEEE 12207, CMMI, DO-178C and/or DO-278, RMF) is a plus.</li><li>Interest and/or experience in software development using AI tools is also a plus.</li><li>The ability to work across multiple products under development by multiplesmall teams is highly desirable.</li><li>Experience with the design and implementation of time-sensitive software for integrated systems, such as real-time software, hardware-in-the-loop simulation, vehicles, medical devices, or IoT components.</li></ul>Security Clearance Qualifications: Must be a U.S. Citizen with the ability to obtain and maintain a Secret Security Clearance. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos has an exciting opportunity for a Software Engineer (SME) in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary As a Software Engineer on this program, you will have the opportunity to build strong systems, software, and cloud environments while providing operations and maintenance for critical systems. This role will provide technical expertise in the design, development, implementation and testing of customer tools and applications. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. Primary Responsibilities:<ul><li>Participates in and/or directs software programming initiatives using Java, JavaScript, Python, SpringBoot, and Hibernate.</li><li>Develops and directs software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies</li><li>Develop, prototype and deploy solutions within Commercial Cloud Solutions leveraging infrastructure platform services</li><li>Coordinate closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases</li><li>Support the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities</li><li>Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs.</li><li>Apply and identify best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.</li></ul>Basic Qualifications:<ul><li>Extensive use and experience in common Agile practices, service-orientated environments, and development practices</li><li>Extensive experience with Java, Spring, C2S and the software development lifecycle, delivering within DevOps toolsets/practices</li><li>Direct experience utilizing software testing performance tools, such as Junit/Katalon and scripting languages, such as Python and Bash, while working in an Agile development environment</li><li>Extensive experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS)</li><li>Extensive experience using version control systems and issue/problem tracking systems</li><li>Master's degree with 15 or more years of prior relevant experience or Doctorate with 13 or more years of relevant experience. Additional years of experience may be substituted in lieu of a degree.</li><li>To be considered must have an active TS/SCI with polygraph security clearance</li></ul>Preferred Qualifications:<ul><li>Experience with structured analysis and design methodologies</li><li>Understanding of the customer's system development policies.</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today. #CABARESTON #ASBA If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: January 22, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Featuredjob

Software Engineer (SME)

Description Leidos has a new and exciting opportunity for a Junior Software Engineer in our Intel Sector. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary: Seeking a software developer to create custom analytics to perform at scale, supporting requirements for the Joint Cyber Weapons (JCW) program for the United States Marine Corps. The software engineer will work closely with engineers and end users to support in research and development of software products designed to exploit vulnerabilities of adversary technology, develop and optimize algorithms, author scripts and develop utility software. Job Responsibilities/Qualifications: <ul><li>Mission Focus: Work directly with Marine Corps Forces Cyberspace Command (MFCC), the Cyber Mission Force (CMF), as well as software engineers to solve the most demanding strategic problems; perform end-to-end software engineering to develop, integrate, test, and deploy tools and tradecraft into the customer's corporate architecture.</li><li>Technical Proficiency: Strong development experience with multiple programming languages (C, C++, Python, Java, JavaScript, Bash/Bourne/C Shell, Rust and Assembly). Candidate will have demonstrated experience writing, testing and refining code with the various programming languages. Demonstrated knowledge with various operating systems (Windows, Linux/Unix, Android, and iOS). Experience with establishing and maintaining CI/CD mechanisms in accordance with industry best practices. Experience with software planning; defining project scope, goals and timelines.</li><li>Qualifications: Bachelor's degree in a technical discipline plus two (2) to four (4) years of relevant software development experience.</li><li>Security Clearance: Must possess an active TS/SCI with CI Polygraph to be considered for this role.</li><li>Desirable Skills: Knowledge of Computer Network Operations (CNO) with development tools such as Visual Studio and Git. Additional experience with Cloud computing platforms such as AWS, Microsoft Azure, and Google Cloud. Be familiar with and capable of learning various development tools, to include but not limited to Gnu Debugger (GDB), Valgrind, Low Level Debugger (LLDB), Interactive Disassembler (IDA) Pro, Ghidra, SCons.</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today! Careers.leidos.com CONMD If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: March 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Engineer (SWE-2)

Description Leidos has a new and exciting opportunity for a Software Engineer in our Intel Sector. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! Job Summary: Our program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program Delivers Mission Success!" We are seeking a motivated Software Engineer to join the Space, Weapons, and Technical Intelligence (SWaT) mission. The SWE will collaborate directly with mission stakeholders, developers, and analysts to innovate and automate tradecraft and technical solutions that deliver immediate operational impact to mission workflows. Qualified candidates are eligible for enhanced incentives including up to a $25K cash sign on bonus or a paid time off bonus. Job Responsibilities/Qualifications: <ul><li>Mission Focus: Part of the TechSIGINT revitalization providing deep insight into adversary weapons systems and networks.</li><li>Technical Proficiency: Python, C++ programming ability a must, in addition to proficiency with overall software engineering principles, to include sprint planning (Agile), unit tests, and ultimately developing useful and portable code to deploy and integrate.</li><li>Qualifications: Bachelor's degree plus 5 years of relevant experience or equivalent. Proficiency with Python, C++, Jira, Gitlab, Docker.</li><li> Security Clearance Requirement : Active TS/SCI with Polygraph required to be considered for this role.</li><li>Desirable Skills: NiFi, Kubernetes, AWS, CDK, Infrastructure as code.</li></ul>At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today! Careers.leidos.com CONMD If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! This position is eligible for a sign on bonus of $25,000. Primary Responsibilities<ul><li>Analyze user requirements to derive software design and performance requirements.</li><li>Debug existing software and correct defects.</li><li>Provide recommendations for improving documentation and software development process standards.</li><li>Design and code new software or modify existing software to add new features.</li><li>Integrate existing software into new or modified systems or operating environments.</li><li>Develop simple data queries for existing or proposed databases or data repositories.</li><li>Write or review software and system documentation.</li></ul>Basic Qualifications:<ul><li>Seven (7) years' experience as a SWE in programs and contracts of similar scope, type, and complexity is required.</li><li>Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree.</li><li>Clearance Requirement: Top Secret/SCI with Polygraph</li></ul>Preferred Qualifications<ul><li>Demonstrated experience and proficiency designing and developing cloud applications in an AWS environment</li><li>Python development experience</li><li>Demonstrated experience developing applications in a Linux environment</li><li>Experience designing and implementing CI/CD pipelines using AWS and enterprise DevOps tools (e.g., Git, GitLab)</li><li>Hands on experience developing microservices and event driven architectures</li><li>Working knowledge and understanding of containerization (e.g., Docker, Kubernetes) technologies</li><li>Working knowledge and demonstrated project experience developing solutions for big data platforms</li></ul>CONMD CSSRC If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Engineer - 25k Sign on Bonus

Description We are seeking a Junior-Level Software Engineer with a full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a part in creating front-end and backend services, developing APIs, and collaborating with development team to deliver reliable, high-performance applications. The ideal candidate has experience in front-end and backend systems, cloud-native architectures, testing, and modern CI/CD practices and tools, while also being comfortable contributing across the full stack when needed. Duties include computer programming, documenting, managing configuration, testing, and bug fixing involved in creating and maintaining applications and frameworks involved in a software release life cycle and resulting in a software product. Key Responsibilities:<ul><li>Responsible for writing and maintaining source code, creating and maintaining software applications and applying frameworks involved in a software release.</li><li>Duties include computer programming, documenting, managing configuration, testing, and bug fixing involved in creating and maintaining applications and frameworks involved in a software release life cycle and resulting in a software product.</li><li>Expertise in one or more programming language is required.</li><li>Works on day-to-day objectives with limited impact beyond the scope of own work area/ project team. Works under supervision on less complex projects/ assignments.</li><li>Solves simple, routine technical problems following established procedures and policies. Develops products, solutions, processes using basic principles, theories and concepts within own technical specialty</li><li>Communicates with peers to explain facts, basic analysis, processes and practices related to area</li></ul>Required Qualifications:<ul><li>Typically requires a Bachelor of Science degree in Computer Science, Software Engineering, related field, or prior relevant, equivalent experience in software development and up to 2 years of relevant experience</li><li>Must hold an active Secret security clearance.</li><li>Expertise in front end web application development in one or more programming languages is required.<ul><li>Java</li><li>JavaScript</li><li>Spring Boot</li></ul></li><li>Knowledge of working with relational databases (PostgreSQL, MySQL, etc.)</li><li>Experience with cloud platforms such as AWS, Azure, or Google Cloud.</li><li>Experience with Agile project management software such as Jira, Confluence, etc.</li><li>Familiarity with containerization technologies like Docker and Kubernetes.</li><li>Experience with version control systems such as Git.</li><li>Knowledge of software architecture, design patterns, and system scalability.</li></ul>Preferred Qualifications:<ul><li>Experience with frontend frameworks (React, Angular, or Vue).</li><li>Experience building RESTful APIs and microservices interfaces.</li><li>Experience with<ul><li>Automated testing experience in end-to-end testing, regression testing, integration testing, etc.</li><li>Spring Boot.</li><li>Hibernate</li><li>Hibernate using native queries</li><li>Experience with CI/CD pipelines such as Gitlab.</li></ul></li><li>Knowledge of infrastructure-as-code (IaC) tools (Hashicorp Terraform, CloudFormation, Ansible).</li><li>Experience with observability tools (Datadog, Prometheus, Grafana, CloudWatch, Elastic Search).</li><li>A working knowledge and experience with the following are preferred as they will be used to complete Software Engineering tasks: SAFe 6, EDB Postgres, an IDE such as Eclipse or IntelliJ, Git, Python, Jenkins, Kubernetes, Argo, Docker, Red Hat Linux, SQL Developer, Jira, Bitbucket, OpenShift, SmartBear ReadyAPI, SoapUI, LoadUi, Java, Spring, Maven/Gradle, ActiveVOS, Camel, NEIM XML, EBTS, SecDevOps.</li></ul>Key Competencies:<ul><li>Problem-solving and analytical thinking.</li><li>Passion for quality control and improving engineering practices.</li><li>Excellent communication and collaboration skills.</li><li>Ownership mindset and accountability for deliverables.</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: April 29, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $57,850.00 - $104,575.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Engineer - Junior Level

Description Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Group employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics. Leidos is seeking a talented Software Engineer to work in our Huntsville office. This is an exciting opportunity to use your experience to help develop software for Tactical strike guided munition programs. This position focuses on the development of robust, innovative software frameworks, as well as the fielding, support, and maintenance of software products. Software products range from analysis tools/simulations, mission planning software, and components of mission-critical systems. Primary Responsibilities<ul><li>Assist with design and implementation of full-stack software architecture and design patterns for missile system applications implementing major system functions (i.e. guidance, navigation, control, telemetry, and mission planning).</li><li>Participate in technical reviews, design reviews, and code reviews to ensure quality and compliance.</li><li>Support technical decisions on tools, frameworks, and development approaches.</li><li>Mentor and develop junior software engineers.</li><li>Ensure software design support modularity, reusability, portability, and maintainability requirements.</li><li>Participate in code reviews, ensuring coding standards and best practices are applied.</li><li>Direct communication with customers and team members will be required on a frequent basis.</li><li>Support flight test operations and post-test analysis.</li><li>Ensure adherence to military and aviation standards for safety, cybersecurity, and RMF.</li></ul>Basic Qualifications<ul><li>Candidate must possess at least a bachelor's degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent technical degree with an overall GPA of 3.0 or higher.</li><li>Candidate should have 4+ years of relevant technical experience.</li><li>Active Secret clearance or ability to obtain one.</li><li>Proven experience supporting software development teams on complex, multi-disciplinary projects.</li><li>Demonstrable mid-level experience with C/C++ required.</li><li>Experience with Python and Java.</li><li>Deep understanding of software architecture patterns and design principles.</li><li>Excellent communication skills with ability to present to senior leadership and government customers.</li><li>Strong problem-solving abilities and systems-level thinking.</li><li>Experience with software configuration management principles and techniques, software quality engineering concepts, good software standards and practices, and a strong understanding of why these are important.</li></ul>Preferred Qualifications<ul><li>Experience with embedded missile systems, aerospace, or weapons systems development.</li><li>Familiarity with real-time embedded systems.</li><li>Strong experience with open systems concepts, architectures, and implementation</li><li>Knowledge of Modular Open Systems Approach (MOSA) principles and application</li><li>Experience with containerization, CI/CD pipelines, and microservices technology.</li><li>Knowledge of guidance & control algorithms, navigation systems, mission planning systems (NOMS, JMPS), and sensors a huge plus.</li><li>Familiarity with Model-Based Systems Engineering (MBSE) and SysML.</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 7, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Engineer - Kinetic Effects

Description We are seeking a Mid-Level Software Engineer with a web application development with exposure to full-stack capabilities (front-end, back-end, full-stack) to design, build, test and maintain scalable software systems. This role will play a part in creating front-end and backend services, developing APIs, and collaborating with development team to deliver reliable, high-performance applications. The ideal candidate has experience in web applications, cloud-native architectures, testing, and modern CI/CD practices and tools, while also being comfortable contributing across the full stack when needed. Duties include computer programming, documenting, managing configuration, testing, and bug fixing involved in creating and maintaining applications and frameworks involved in a software release life cycle and resulting in a software product. Key Responsibilities:<ul><li>Responsible for writing and maintaining source code, creating and maintaining software applications and applying frameworks involved in a software release.</li><li>Duties include computer programming, documenting, managing configuration, testing, and bug fixing involved in creating and maintaining applications and frameworks involved in a software release life cycle and resulting in a software product.</li><li>Expertise in one or more programming language is required.</li><li>Works to achieve day-to-day objectives with moderate impact on the area/ project team. Works independently on larger, moderately complex projects/assignments. May assist other technical staff with tasks and assignments.</li><li>Communicates with colleagues across multiple areas (project managers, other technical resources, etc.). Explains technical solutions, practices and procedures to others within the organization.</li></ul>Required Qualifications:<ul><li>Typically requires BS degree and 2 - 4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience.</li><li>Must hold an active Secret security clearance.</li><li>Expertise in front end web application development in one or more programming languages is required.<ul><li>Java</li><li>JavaScript</li><li>Spring Boot</li></ul></li><li>Knowledge of working with relational databases (PostgreSQL, MySQL, etc.)</li><li>Experience with cloud platforms such as AWS, Azure, or Google Cloud.</li><li>Experience with Agile project management software such as Jira, Confluence, etc.</li><li>Familiarity with containerization technologies like Docker and Kubernetes.</li><li>Experience with version control systems such as Git.</li><li>Knowledge of software architecture, design patterns, and system scalability.</li></ul>Preferred Qualifications:<ul><li>Experience with frontend frameworks (React, Angular, or Vue).</li><li>Experience building RESTful APIs and microservices interfaces.</li><li>Experience with<ul><li>Automated testing experience in end-to-end testing, regression testing, integration testing, etc.</li><li>Spring Boot.</li><li>Hibernate</li><li>Hibernate using native queries</li><li>Experience with CI/CD pipelines such as Gitlab.</li></ul></li><li>Knowledge of infrastructure-as-code (IaC) tools (Hashicorp Terraform, CloudFormation, Ansible).</li><li>Experience with observability tools (Datadog, Prometheus, Grafana, CloudWatch, Elastic Search).</li><li>A working knowledge and experience with the following are preferred as they will be used to complete Software Engineering tasks: SAFe 6, EDB Postgres, an IDE such as Eclipse or IntelliJ, Git, Python, Jenkins, Kubernetes, Argo, Docker, Red Hat Linux, SQL Developer, Jira, Bitbucket, OpenShift, SmartBear ReadyAPI, SoapUI, LoadUi, Java, Spring, Maven/Gradle, ActiveVOS, Camel, NEIM XML, EBTS, SecDevOps.</li></ul>Key Competencies:<ul><li>Problem-solving and analytical thinking.</li><li>Passion for quality control and improving engineering practices.</li><li>Excellent communication and collaboration skills.</li><li>Ownership mindset and accountability for deliverables.</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: June 4, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Engineer - Mid Level

Description The Undersea Systems Division at Leidos currently has an opening for a Software Engineer in San Diego, CA. Candidate will join a fast-paced engineering group rapidly prototyping a variety of ocean systems. Collaborate across our medium-sized team holding complete technical responsibility for custom development and prototyping across many technical disciplines. Team prototyping efforts span from real-world problem-solving, all the way through concept development, followed by iterative design and testing, and conclude with product demonstrations. Ideal candidates will bring deep experience in firmware and software design and design processes. Primary Responsibilities: &bull; Collaborate with team to identify embedded firmware and software requirements and evaluate candidate design approaches for solving wide-ranging technical problems. &bull; Architect and design maintainable, robust, and performant embedded firmware and software platforms and related build and test processes. &bull; Implement, test, integrate, and verify firmware and software implementations satisfy project requirements for functionality, reliability, and usability; and meet team standards and expectations. &bull; Develop and maintain documentation including engineering documentation, interface control documents (ICD), and software requirements specifications (SRS). &bull; Communicate regularly across the engineering group to coordinate development efforts, anticipate design changes, prioritize feature implementations and bug fixes, and solicit team feedback. Basic Qualifications &bull; U.S. Citizen with ability to obtain SECRET security clearance; active SECRET clearance preferred. &bull; Bachelor's (or higher) degree from an accredited institution in Computer Science, Computer Engineering, Electronics Engineering, or another STEM field. &bull; 5+ years of experience in development and integration for one or more of the listed platforms: o Linux application software. o Linux kernel and OS (Yocto, Buildroot) embedded microprocessor firmware and software. o NVIDIA Jetson embedded firmware and software. o RTOS or Bare-Metal embedded microcontroller firmware and software. o Robot Operating System 2 (ROS 2) software. &bull; Proficiency in the C programming language. &bull; Proficiency in software version control processes (Subversion, Git, etc.). &bull; Proficiency in Linux command line tools (grep, etc.) and with Linux shell scripting (Bash, etc.). &bull; Working knowledge of common embedded communications protocols (SPI, RS-232, Ethernet, etc.). &bull; Working knowledge of software development processes (static analysis, build automation, etc.). &bull; Familiarity with embedded electronics test equipment (power supplies, oscilloscopes, debuggers). &bull; Experience testing firmware/software and debugging complex purpose-built embedded electro-mechanical systems. &bull; Ability to understand complex technical documents and communicate ideas orally and visually. Preferred Qualifications &bull; 5+ years of experience in development for one or more of the listed applications: o OpenCV (or similar) computer vision algorithms o Digital Signal Processing (DSP), digital filtering, or other mathematical algorithms o Robotics control system modeling and simulation &bull; Proficiency in embedded development IDEs and tools (Microchip MPLAB, GCC, GNU Make, etc.). &bull; Proficiency in data processing with (Matlab, Python, etc.). &bull; Experience in test automation. &bull; Experience with Graphical User Interfaces. &bull; Physical ability to:<ul><li>Navigate lab, office, and warehouse environments-including frequent movement around piers, docks, and facility spaces-with the ability to stoop, kneel, reach for extended periods, and transport objects weighing up to 50 lbs. across the facility.</li><li>Use hands to operate machinery, tools, and computer equipment.</li><li>Climb ladders up to 20 ft and work comfortably in loud production environments, various temperatures, and inclement weather. This includes a willingness to work aboard marine vessels of various sizes, occasionally on an overnight basis.</li></ul>SUBSEAMSS If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 26, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Engineer - Mid-Career

Description Leidos has a new and exciting opportunity for a Software Engineer (SWE) in our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! This position is eligible for a sign on bonus of $25,000. Primary Responsibilities: <ul><li>Collaborate with developers to design, implement, and validate features in React and related front-end libraries.</li><li>Support integration of UI components with back-end services written in Java and/or C++.</li><li>Participate in Agile development teams, contributing to sprint planning, code reviews, and daily stand-ups.</li><li>Document test cases, results, and processes to support ongoing quality assurance.</li><li>Explore and apply other front-end automation tools as appropriate to improve efficiency.</li></ul>Basic Qualifications<ul><li>Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree. Masters Degrees may count toward experience requirements</li><li>7 years of relevant experience</li><li>Clearance Requirement: Active Top Secret/SCI clearance with Polygraph.</li></ul>Preferred Qualifications<ul><li>Experience with front-end development and/or UI testing.</li><li>Familiarity with React, Java, and/or C++.</li><li>Ability to write test scripts in Python (Robot Framework experience strongly preferred).</li><li>Hands-on experience with Robot Framework for UI automation.</li><li>Exposure to other front-end automation tools (e.g., Selenium, Cypress).</li><li>Knowledge of modern web technologies: JavaScript, TypeScript, HTML, CSS.</li><li>Experience working in Agile development environments.</li></ul>CONMD CSSRC If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 14, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Software Engineer 25k Sign on Bonus!

Description Leidos has immediate opportunities for a Full Stack Developer to join a team building innovative software supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. We're supporting a well-established customer that is responsible for critical and high-visibility missions applications used by a wide audience. Our team is tremendously talented, and we need to add a talented and creative Full-Stack Developer to the team.<ul><li> Experience with VUE or React</li><li>Provide database architectural and design capabilities</li><li>Develop unit and functional test plan</li><li>Provide the operations and maintenance of operational systems</li><li>Modify existing software to correct errors, allow it to adapt to new hardware, or to improve its performance</li><li>Analyze user needs and software requirements to determine feasibility of design within time and cost restraints</li><li>Consult with customers about software system design and maintenance</li><li>Coordinate software system installation and monitor equipment functioning to ensure specifications are met Design, develop, and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequence of design</li><li>Develop and direct software system testing and validation procedures, programming, and documentation</li><li>Confer with systems analysts, engineers, programmers and others to obtain information on project limitations and capabilities, performance requirements and interfaces</li><li>Correct errors by making appropriate changes and then recheck the program to ensure that the desired results are produced</li><li>Conduct trial runs of program and software applications to be sure they will produce the desired information and that the instructions are correct</li><li>Compile and write documentation of program development and subsequent revisions, inserting comments in the coded instruction so others can understand the program</li><li>Write, update, and maintain computer programs or software packages to handle specific jobs, such as tracking inventory, storing or receiving data, or controlling other equipment</li><li>Consult with managerial, engineering, and technical personnel to clarify program intent, identify problems, and suggest changes</li><li>Perform or direct revision, repair, or expansion of existing programs to increase operating efficiency or adapt to new requirements</li><li>Written, analyze, review, and rewrite programs, using workflow chart and diagram, and applying knowledge of computer capabilities, subject matter, and symbolic logic</li><li>Write or contribute to instructions or manuals to guide end users</li><li>Investigate whether networks, workstations, the central processing unit of the system, or peripheral equipment are responding to a program's instructions</li><li>Prepare detailed workflow charts and diagrams that describe input, output, and logical operational, and convert them into a series of instructions coded in a computer language</li><li>Consult with and assist computer operators or system analysts to define and resolve problems in running computer programs</li><li>Assign, coordinate, and review work and activities of programming personnel</li><li>Designs, Develops, and Maintains applications within the cloud environment. This can be for new applications development or the transition of legacy applications to the cloud environment.</li></ul>Required Quals<ul><li>Active TS/SCI with Polygraph</li><li>Requires BS degree and 12+ years of prior relevant experience. Additional experience in lieu of degree.</li><li>Demonstrated experience in multiple programming languages (Java, JavaScript, Python, and/or XML)</li><li>Experience managing and developing web software</li><li>Demonstrated experience with cloud services</li><li>Experience in Windows and/or Unix</li></ul>FIP If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: August 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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