Description Leidos is seeking a Software Developer for a technical development program supporting the Sponsor's Access Management Program. The Software Engineer will work with a small team of developers, software engineers, and data engineers. Primary Responsibilities<ul><li>Work with an industry leading identity and access management software platform custom-built for complex enterprises (an array of training is available)</li><li>Integrate with and perform O&M on industry leading COTS identity access management system. Maintain expertise on chosen COTS systems.</li><li>Develop Java applications within the framework of the identity and access management software platform.</li><li>Create RESTful APIs.</li><li>Establish and maintain infrastructure in a repeatable fashion, I.e., continuous integration and continuous delivery/deployment.</li><li>Write custom scripts to install and configure code for deployment to EC2 instances.</li><li>Participate in Agile software development processes including.</li><li>Support system O&M activities including identify, investigate and fix system bugs.</li><li>Participate in code review, and disciplined Dev Ops activities.</li></ul>Required Qualifications<ul><li>Active TS/SCI with Polygraph</li><li>Master's Degree and 15+ years of experience. Additional experience in lieu of degree.</li><li>4+ years' experience in Agile software development</li><li>Must have significant experience with Java, Shell/Batch Scripting, Hibernate, Amazon Web Services, GitHub, Jenkins, and Rundeck </li></ul>Desired Qualifications<ul><li>SQL, Python, HTML, XML, LDAP Search, CloudFormation Scripting Java, Javascript, UI frameworks such as React or similar</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: May 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 $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.

public

Software 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 Gaithersburg, MD 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: July 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 $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 We are seeking a Software Developer who will be a member of a dynamic team Air Traffic Management program - SkyLine-X&trade; SkyLine-X&trade; provides an array of advanced air traffic management capabilities to improve aircraft safety, performance, and efficiency across the world's airspace. Primary Responsibilities:<ul><li>Responsible for software development activities both individually and as a member of a SW team</li><li>Actively participate in SW planning, statusing, and related team activities</li><li>Analyze system requirements and apply appropriate design techniques and software engineering principles to develop code that is modifiable, efficient, reliable, understandable, fault tolerant, and reusable</li><li>Leverage AI-assisted development tools (e.g., Roo Code, Claude, ChatGPT, or similar) to improve productivity in coding, debugging, test generation, and documentation</li><li>Critically evaluate, test, and refine AI-generated outputs, demonstrating sound judgment in identifying inaccuracies, edge cases, and security or performance concerns</li><li>Develop and iterate on effective prompting strategies and workflows to improve consistency and efficiency when using AI tools</li><li>Contribute to team best practices for responsible and effective use of AI-assisted development, including code review considerations and documentation standards</li><li>Troubleshoot and resolve moderately complex software issues, both independently and with team support</li><li>Provide software process management and control throughout the development process and promote code reuse and cross-program collaboration to reduce maintenance costs</li></ul>Basic Qualifications:<ul><li>Bachelor's degree in computer science or a related field and a minimum of 2 years of prior relevant experience </li><li>Must have recent C++ experience </li><li>Experience with programming languages Python, or Qt </li><li>Practical experience using AI-assisted software development tools in a development environment</li><li>Demonstrated ability to validate, debug, and improve AI-generated code and recommendations</li><li>Solid understanding of software engineering fundamentals, including debugging, testing, code reviews, and maintainability</li><li>Ability to plan and prioritize tasks with minimal supervision and communicate effectively both verbally and in writing</li><li>Ability to work independently on well-defined tasks and contribute effectively within a team environment</li><li>Demonstrated curiosity and initiative in adopting new tools and improving development workflows, including emerging AI capabilities</li><li>Must be able to obtain and maintain a Public Trust security clearance (US Citizenship required) </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 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 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: June 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 $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 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. General Requirements: <ul><li>Bachelor's degree in Science, Technology, Engineering, and Mathematics and 2 years of related experience</li><li>2+ years of proven experience in Software Engineering</li><li>Must having thorough working knowledge with at least 3 of the following: Java, Python, shell scripting, Ansible</li><li>Candidate must be able to obtain/maintain a Public Trust, which requires US Citizenship or Permanent Residency</li><li>Willing to 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.</li></ul> 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></ul> Required 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> Required Systems Knowledge: <ul><li>Physical hardware provisioning (PXE boot, kickstart)</li><li>Virtual machine lifecycle management (VMware and KVM)</li><li>Package ecosystem management (RPM, pip, Ansible Galaxy)</li></ul> Desired Skills & Experience: <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><li>Container technology - Podman/Docker, container builds, orchestration</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>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 $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 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. Primary Responsibilities<ul><li>List daily duties and/or specific job responsibilities.</li><li>Knowledge/experience with the development of Cloudformation scripts to generate network and application</li><li>infrastructure in a repeatable fashion</li><li>Ability to write custom scripts to install and configure code in EC2 instances</li><li>Experience with Python.</li><li>Develop Java and Python applications that leverage Neo4j and Elasticsearch</li><li>Ability to Implement NodeJS PM2 for application monitoring and resiliency</li><li>Utilized SAFe agile techniques to manage workload</li><li>Leverage Amazon Web Services</li><li>Experience creating RESTful API</li></ul>Required Qualifications<ul><li>Active TS/SCI with Polygraph</li><li>Requires BS degree and 4+ years of experience. Additional experience in lieu of degree.</li><li>Experience with Java, Springboot, Python and the Cloud / Amazon Web Services</li><li>Prior experience reading and developing solutions to customer requirements</li><li>Knowledge of Git, Jenkins, or Rundeck</li></ul>Desired Qualifications<ul><li>Experience with Jrandle is preferred 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: 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 $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. **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 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 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>Candidate must have a 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. Typically requires BS and 4 - 8 years of prior relevant experience or Masters with 2 - 6 years of prior relevant experience.</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>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 $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 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 The Force Protection Division is looking for a Software Developer - Windows Platform Integration supports the development, configuration, integration, and sustainment of Windows-based applications, services, interfaces, and supporting software components associated with the Rock Island Arsenal Increased Access OTA Prototype. This position focuses on software integration, interface development, supporting data exchange infrastructure, Windows environment configuration, and operational support activities that enable interoperability between sensors, communications systems, security platforms, and Government infrastructure. The Software Developer works under the direction of the Software & Platform Engineering Lead and supports implementation of the unified operational environment.. Primary Responsibilities<ul><li>Develop and configure Windows-based software components.</li><li>Support software integration activities across the prototype architecture.</li><li>Configure and maintain Windows application environments.</li><li>Support deployment and installation of software releases.</li><li>Develop and maintain application interfaces.</li><li>Support API integration activities.</li><li>Assist with data exchange and interoperability requirements.</li><li>Support integration of third-party technologies and platforms.</li><li>Diagnose software issues and support operational troubleshooting activities.</li><li>Resolve software integration issues.</li><li>Coordinate technical issues with engineering teams.</li><li>Support software testing activities, assist with integration testing, and validate software functionality.</li></ul>Basic Qualifications<ul><li>Bachelor of Science (BS) and 4 - 8 years of prior relevant work experience or Master of Science (MS) with 2 - 6 years of prior relevant experience.</li><li>Execution of Agile Development methodologies & 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 agile development methodologies and management</li><li>Knowledge of software optimization techniques</li><li>Experience writing software technical documentation</li><li>Experience supporting US Army or other Department of War (DoW) customers</li><li>Experience with Message Brokers (ex. Apache Kafka, Redis)</li><li>Cloud-based Development & Deployment experience (Infrastructure as Code)</li><li>Experience supporting client / vendor operational presentations</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 $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 - Windows Platform Integration

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: o Comfort and familiarity in maintaining legacy applications o Experience in modernization of legacy applications o Ability to write custom scripts to install and configure code in EC2 instances o Experience leveraging Amazon Web Services o Experience creating RESTful API o Experience with spring boot o Develop Java and Angular (Typescript) that leverage Elasticsearch o Comfort and familiarity designing and utilizing custom ETL methodology o Strong communication, design, and documentation skills o Strong time and workflow management skills o Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute) o Work within the parameters of Agile & Scrum methodologies o Willingness to mentor and teach junior developers' community best practices in a constructive fashion o 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 experience. Additional experience in lieu of degree. &bull; Must have experience with Java, spring boot, Angular (Typescript), 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; Experiencing working in Command Line (RH Linux) 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: June 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 $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 Developer 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 Developer will work with a large team of developers, software engineers, and data engineers. The Developer will be part of a team of developers that are building a new application that utilizes LLM to convert data and access policies from a variety of sources and formats into a uniform format for compliance assessment. The Developer works closely with product owners, business analysts, and other teams to translate business requirements into technical solutions. The Developer will analyze and decompose complex software systems and create designs for scalability, testability, and performance. Our work rhythm revolves around the Scrum agile framework to deliver incremental enhancements on a 2-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 Qualifications:<ul><li>Active TS/SCI with Polygraph</li><li>Master's degree 15+ years of experience. Additional experience in lieu of degree.</li><li>Develop Java and/or Python applications that leverages Large Language Model (LLM) API calls</li><li>Utilized Scrum agile techniques to manage workload and incrementally build out applications to meet customer requirements</li><li>Leverage Amazon Web Services</li><li>Experience creating RESTful API</li><li>Ability to write custom scripts to install and configure code in EC2 instances</li><li>Experience with defining system architectures and design of new features</li><li>Knowledge of Git, Jenkins, or Rundeck</li></ul>Desired Qualifications:<ul><li>Exposure to foundation AI models such as GPT</li><li>Familiarity with AI topics and concepts such as prompt engineering</li><li>Experience with AI libraries such as LangChain or others</li><li>Experience with DynamoDB, PostgreSQL, and other relational or NoSQL database platforms.</li><li>Understanding of Identity Access Management (IAM) Concepts</li><li>Experience with design patterns and best practices</li><li>Experience building microservices</li><li>Experience with integration testing frameworks</li><li>Documented open source contributions, technical certifications, continued education</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: 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 $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 Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Entitlements and Digital Policy Management. The Software Developer will work with a large team of developers and cloud engineers. Primary Responsibilities: The Developer will be part of a team of developers and cloud engineers that create new features for legacy applications as sponsor's mission continues to expand and evolve. Our team also builds new applications as new mission needs arise. The Developer works closely with product owners, business analysts, and other teams to translate business requirements into technical solutions. The Developer will analyze and decompose complex software systems and create designs for scalability, testability, and performance. 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 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>Experience creating applications with Java, Springboot, and Amazon Web Services for backend components, focusing on low-latency, high-throughput distributed systems</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, Jenkins, and Rundeck</li><li>Experience using CloudFormation scripts</li><li>Experience creating RESTful API</li><li>Experience working on a team that used the Scrum agile framework</li><li>Experience manipulating data using XML, JSON and YAML formats</li></ul>Desired Qualifications<ul><li>Certification - Amazon Web Services (AWS)</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>Experience writing custom scripts to install and configure code in EC2 instances</li><li>Understanding of Identity Access Management (IAM) and Zero Trust concepts</li><li>Understanding of Artificial Intelligence (AI) concepts such as prompt engineering and large language models (LLM)</li><li>Experience building microservices</li><li>Experience with automated testing frameworks such as Katalon Studio or Selenium</li><li>Experience building solutions designed to continue operation even if one AWS region is unavailable</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: November 3, 2025 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 Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's 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. If this sounds like an environment where you can thrive, keep reading! The Mission 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. The Digital Modernization Sector is focused on delivering performance-based IT services and repeatable solutions to include applying cloud-factory and aaS (as a Service) capabilities and integrating commercial products to provide a comprehensive digital engineering approach to IT transformation. Our team is solving the world's toughest security challenges for customers with can't fail" missions. To explore and learn more, click here! Leidos is seeking a highly qualified candidate for the Software Developer/Scrum Master position for the Integrated Defensive Cyber Systems Contract. The ideal candidate will be a leader and problem solver. This position is located near Lackland Air Force Base; all work is onsite. Primary Tasks<ul><li>Participating in the design and creation of scalable software</li><li>Writing clean, functional code on the front- and back-end</li><li>Unit testing and fixing bugs or other coding issues</li><li>Build the front-end of applications through appealing visual design</li><li>Write effective APIs</li><li>Create Use cases and Test software to ensure responsiveness and efficiency</li><li>Troubleshoot, debug and upgrade software</li><li>Create security and data protection settings</li><li>Build features and applications with a mobile responsive design</li><li>Write technical documentation</li><li>Drive the daily execution of an Agile project teams</li><li>Help define, document, and track the completion of Epics, Stories, Tasks, and Bugs</li><li>Run agile meetings such as daily scrum, retrospectives, and planning</li><li>Protects the team from over-committing and scope creep during sprint planning. Assists in estimation and sub-task creation.</li><li>Leads and captures feedback and generates action items during sprint retrospective meetings.</li><li>Works as the administrator of the scrum board. Ensures that the tasks are up to date in the scrum tool and that the selected tools are working well.</li><li>Ability to supervise up to 9 people. </li><li>Meets individually with team members and stakeholders as needed.</li><li>Assists in ironing out team disagreements regarding processes and work styles.</li><li>Consults team members on how best to work within a scrum team.</li><li>Assists Product Owners with collecting reporting metrics to better provide status.</li><li>Aids the scrum team by eliminating any external blockers and manages internal roadblocks through process improvement.</li></ul>Basic Qualifications<ul><li>Must possess an active Secret clearance and ability to obtain TS/SCI clearance is required to be considered.</li><li>BS degree and years of 8+ prior relevant experience or Masters with 10+ years of prior relevant experience.</li></ul>Experience in the following applications frameworks (at least 2): <ul><li>React, Angular, Python, JavaScript, CSS, & HTML,</li></ul>Familiarity & Knowledge: <ul><li>Apache Spark, Kubernetes, Kafka, SIMP Project, Ansible, Docker, GIT, Red Hat Enterprise Linux (RHEL), Suricata, Zeek, Kibana, Logstash, Elastic Search, Neo4J, PostgreSQL, AWS Cloud & Nifi</li></ul>Must have the following certification: <ul><li>8140 DCWF work role 802 IT Project Manager - CompTIA Security + is preferrable, also will accept SecurityX / CASP+ or CISSP</li></ul>Applications/Frameworks (at least 2): <ul><li>JIRA, Confluence, & Slack</li></ul>Experience or Knowledge in the following Areas: <ul><li>Agile software development, agile methodologies, software development life cycle (SDLC) management, cross-functional team</li></ul>Preferred Qualifications<ul><li>Relevant DoD and/or Industry work experience</li><li>Active TS/SCI preferred</li><li>SAFe Scrum Master & SAFe for Teams, or SAFe Advanced Scrum Master & SAFe for Teams</li><li>2 years' experience as a Scrum Master</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 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.

Software Developer/Scrum Master

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: June 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 Development Lead

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 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. 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 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 Today, Electronic Warfare is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. Our EW division currently has an exciting opportunity for a Software Engineer to perform design, development, and hardware/software integration in San Diego, CA . Leidos is a DOD leader in electronic design and chiplet manufacture. Our division primarily focuses on research & development and advanced prototyping, transforming state-of-the-art processing algorithms into real-time software systems. Projects involve small multi-disciplinary teams of engineers working together in spiral or agile development environments to meet aggressive customer schedules aimed at near-term field demonstrations. Leidos utilizes its proprietary design methodology for hardware software co-design to manufacture custom SoC and IP for high performance applications. In this role, the Software Engineer will develop and maintain APIs written in Python and MATLAB used to control Hardware Test Equipment, design and build a GUI to serve as a user-facing interface for the Leidos SoC products, and develop complex, highly integrated testing system for RF signal processing applications. Join a team of experts in implementing high-performance signal processing on custom system-on-chip (SoC) hardware and building the tools that enable analysis, rapid prototyping, and deployment of cutting-edge algorithms. The successful candidate 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, RF front end design, and signal processing. </li><li>Designing, implementing, and testing object-oriented applications in Python/MATLAB</li><li>Designing, implementing, and testing software to configure and control RF hardware devices</li><li>Integrating low-level software with a user-facing GUI</li><li>Developing Hardware-in-the-loop (HITL) tests to validate low-level software APIs</li><li>Designing and implementing test framework for implementing HITL tests and deploying applications in HITL test environments</li><li>Documentation of the developed test software and embedded systems </li><li>Clearly communicating technical details of test software to internal and external engineers </li><li>Supporting system field testing and collection events, usually about a week in duration once or twice a year </li></ul>At Leidos, we offer competitive benefits http://www.leidos.com/careers/pay-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 Electronic Warfare Technology! At Leidos we value passion for learning. If you believe you have what it takes to succeed in this role and are eager to learn, we encourage you to apply. The successful candidate will have the following basic education/experience: <ul><li>Bachelor's Degree in Computer Engineering, Electrical Engineering, or Computer Science, or related discipline</li><li>4+ years of software development experience, including strong experience in programming in Python, MATLAB, or C++</li><li>Strong understanding of object-oriented design</li><li>Basic understanding of hardware-software interaction and basic computer architecture </li><li>Experience with hardware interfaces (e.g. PCIe, UART, Ethernet) </li><li>Experience with build tools (e.g. GCC, CMake, or Make)</li><li>Experience using version control (e.g. git, Subversion) and continuous integration software tools (e.g. Jenkins) </li><li>Experience with software testing tools and methodology </li><li>Experience in creating and maintaining technical documentation for developed software</li><li>Ability to communicate and share ideas, concepts, and designs with a team of engineers </li><li>Demonstrated ability and motivation to continually learn new technical skills and concepts</li><li>Understanding of unit test frameworks and test-driven development practices </li><li>Must have active Secret level security clearance with the ability to obtain a TS/SCI. </li></ul>Bonus education/experience: <ul><li>Master's Degree in Computer Engineering, Electrical Engineering, Computer Science, or equivalent </li><li>Active security clearance higher than the Secret level </li><li>Ability to debug embedded systems using tools like oscilloscopes and logic analyzers </li><li>Experience maintaining, tracking, and updating ticket/status using Gitlab or similar interface</li><li>Experience using common scripting languages (e.g. bash)</li></ul>NKE ElectronicWarfare 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 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 $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! 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 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 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>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 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 sensors and mission systems. This role is ideal for engineers who enjoy building performant software and want to grow 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>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 development and improvement of systems and features end-to-end</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 plus 2-4 years of experience in software development OR 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 plus 4-8 years of experience in software development.</li><li>Must be a US citizen, possess and able to maintain an active secret clearance</li><li>Candidate must be a resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama, AL, area</li></ul>Candidate must have excellent teamwork skills and possess strong fundamentals in the following:<ul><li>Experience with C++ or similar systems-level programming language</li><li>Experience with Linux-based systems</li><li>Experience with higher-level user application development</li><li>Experience working with 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>Demonstrated ability to learn new technologies and work across different layers of the software stack</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></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 5, 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 Defense is seeking a Senior Software Engineer to develop and support the virtualization of the AN/SQQ-89(V) Anti-Submarine (ASW) Training System by transitioning Tactical Insertion (TI) hardware-based solutions into a scalable, virtualized Linux platform for training. This role will design, implement, and sustain a high-performance virtualization environment utilizing Red Hat Enterprise Linux (RHEL), KVM, Open vSwitch (OVS), and hardware passthrough technologies to support complex Navy training and simulation workloads. The ideal candidate should possess strong Linux systems engineering experience, expertise in virtualization and software automation, a deep understanding of low-level networking integration within mission-critical environments, and the ability to work within a complex Department of Defense (DoD) training and mission systems environment. IMPACT: Works independently to achieve day-to-day objectives with significant impact on operational results. Responsible for SQQ 89 virtualization projects and complex ASW VOT maintenance/troubleshooting/repairs. COMPLEXITY: Develops technical solutions that require collaboration with other internal experts, deep analyses and understanding of impact on customer training delivery. Develops solutions to technical problems and issues that may be unclear and require a deep-level of technical knowledge. COMMUNICATION: Communicates with other project team members. Works to influence team members regarding solution design and processes. KNOWLEDGE: Requires deep level understanding of principles and concepts of coding utilizing Red Hat Linux Enterprise (RHEL). TYPICAL EDUCATION & EXPERIENCE: Typically requires BS degree with 4-8 years of prior relevant experience, or Master's Degree with 2-6 years prior relevant experience. Primary Responsibilities<ul><li>Design, deploy, and maintain virtualized training system environments supporting AN/SQQ-89(V)15 training capabilities.</li><li>Migrate software and services from Tactical Insertion hardware platforms to virtualized infrastructures utilizing KVM, libvirt, virsh, and VirtIO technologies.</li><li>Develop and maintain automated deployment and configuration management solutions using Ansible.</li><li>Create and maintain Python-based utilities and scripts to support system administration, testing, monitoring, and data management activities.</li><li>Build and maintain RHEL 7/8 system images, templates, and repositories.</li><li>Troubleshoot virtualization, networking, storage, and operating system issues in lab and production environments.</li><li>Support software integration, system verification, validation, and acceptance testing activities.</li><li>Integrate physical and virtual network infrastructure supporting tactical training environments.</li><li>Configure and maintain Open vSwitch environments supporting multi-network and high-throughput virtual machine communications.</li><li>Support performance tuning and optimization of virtualized systems, networking, storage, and compute resources.</li><li>Collaborate with software developers, system engineers, cybersecurity personnel, and training system stakeholders to ensure successful implementation and sustainment.</li><li>Develop and maintain technical documentation including architecture diagrams, deployment guides, standard operating procedures, and automation documentation.</li><li>Support cybersecurity compliance efforts, including STIG implementation, vulnerability remediation, and RMF activities.</li><li>Participate in system modernization initiatives focused on increasing portability, scalability, and maintainability of training environments.</li></ul>Desired Qualifications<ul><li>Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Information Systems, or related technical field.</li><li>7+ years of experience in Linux systems engineering, virtualization, software development, or platform engineering.</li><li>Experience administrating Red Hat Enterprise Linux environments.</li><li>Strong experience with KVM virtualization technologies, libvirt, and virsh.</li><li>Experience implementing and troubleshooting Open vSwitch (OVS) deployments.</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 network concepts including VLANs, bridges, routing, bonding, and virtual switching.</li><li>Experience troubleshooting complex 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 the AN/SQQ-89(V)15 or AEGIS combat systems suite.</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 specialized hardware passthrough to virtualized 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'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 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 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 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 4-8 years of prior relevant experience or Masters with 2-6 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 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 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.

Description Looking for an opportunity to make an impact? 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. Are you ready for your next career challenge? The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Software Engineer to work in our Beavercreek, OH office. This is an exciting opportunity to use your experience helping the Air Force Research Lab, Air Force Lifecycle Management Center, and other DoD missions. Your role will be to support our diverse portfolio of programs through a combination of software design and development, hardware interfacing and integration, laboratory experimentation, ground and flight testing to deploy cutting edge, next generation solutions. Primary Responsibilities:<ul><li>Design, develop and maintain mission-critical software in support of national defense, and intelligence gathering products for both airborne and ground-based systems</li><li>Participate in laboratory, ground and flight testing to validate software</li><li>Document and communicate proposed software solutions with integrated, cross-functional engineering teams in a fast paced highly technical environment</li><li>Stay up to date on state-of-the-art programming techniques and software technologies</li><li>Participate in software design and code reviews to ensure delivery of quality products and enhance skillsets</li></ul>Basic Qualifications:<ul><li>Bachelor's degree in software engineering, computer engineering or related field and 4+ years of prior relevant experience or a Master's degree in above mentioned technical field with 2+ years of experience.</li><li>Must be a US Citizen</li><li>Must have an active DoD Top Secret clearance with the ability to obtain and maintain a TS/SCI.</li><li>Experience programming in one or more of the following languages: C++, Java, Python, Go</li><li>Experienced in systems integration, maintenance, and troubleshooting of complex system problems</li><li>Experience working in a SIL environment</li><li>Ability to communicate effectively in writing and verbally from informal one-on-one discussions or in a small group environment.</li><li>Work well within a team and independently with minimal supervision.</li><li>Ability to work within a dynamic work environment, ability to handle multiple tasks at once (multi-task)</li><li>Strong desire to grow and learn new technologies.</li><li>Strong interpersonal and communication skills</li></ul>Preferred Qualifications:<ul><li>Experience designing & implementing network infrastructure</li><li>Familiar with Agile Methodologies, preferably SCRUM or Kanban</li><li>Experience with Atlassian tools such as JIRA, Confluence, Bitbucket</li><li>Experience with model and simulation environments to support simulation and test</li><li>Experience with Live and Virtual Constructive environments to understand complex systems and troubleshooting points for integration</li><li>Familiarity with DoD Open Architectures such as OMS and SOSA</li><li>Experience with containerization technologies such as docker or podman</li><li>Experience with Kubernetes</li><li>Experience developing and deploying to offline environments</li><li>Strong understanding of Linux systems</li><li>Experience with Unit Testing and CI/CD</li><li>Strong understanding of IP based network protocols such as TCP, UDP, and HTTP</li><li>Prior experience working with the DoD</li></ul>NKE 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 $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 Intelligence 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 Summary: Join our team supporting a cutting-edge Cyber Program and make an impact by guiding the definition, implementation, and delivery of capability focused on U.S. CYBER COMMANDS (USCYBERCOM) Persistent Cyber Range Environment (PCTE). We are in search of talented Software Engineers to join our dynamic team in Orlando, FL. This opportunity will provide professional growth that is singularly focused on providing world class solutions to our customers in an exciting, collaborative, and inclusive environment. You will be challenged and provided with a tremendous opportunity to expand your skills in a customer-facing, fast-paced, and rewarding environment. Don't miss the opportunity to take your career to the next level and be part of an innovative and dynamic environment. Apply now! Responsibilities Include: <ul><li>Software Engineer Functions: Works from established requirements and uses established software engineering processes to develop software systems, subsystems, and system enhancements.</li><li>Completes detailed design and development work independently for individual software components and integrates the developed products together individually and/or at the subsystem level.</li><li>Follows software engineering standards and assists engineers in software system or subsystem development and documentation efforts.</li><li>Adheres to schedules and stays within established budgets.</li><li>All aspects of the software development lifecycle include scope and work estimation, architecture and design, coding, and automated testing within an Agile and Continuous Integration and Continuous Delivery model.</li><li>Design, develop, troubleshoot, and debug mission critical software source code using modern software development languages and tools, such as Java.</li><li>Design and execute maintainable code that matches specification.</li><li>Create automated tests leveraging a continuous integration process.</li><li>Implement Agile development tools such as Jira, Confluence, and Bitbucket/Git to manage work and collaborate with your teams.</li><li>Create and update relevant documentation and specifications for design, development and testing.</li><li>Identify potential roadblocks and develop software solutions where the solution is not always well defined but always considers the customer first.</li><li>Work to improve performance metrics through critical planning and execution of development tasks.</li></ul> Basic Qualifications: <ul><li>Educational Background: Bachelor of Science degree in a relevant field and five (5) + years of related development experience. Additional experience may be considered in lieu of degree. Excellent problem solving and analysis skills.</li><li>Software Development: Hands-on experience with Java/C++ and object-oriented programming. Experience with Java, Python, JavaScript, Bash and other languages. Ability to apply software development process fundamentals in an Agile environment.</li><li>Communication Skills: Ability and experience effectively communicating technical and programmatic issues. Demonstrated ability to work within teams. Strong organizational skills. Self-starter that can work independently while possessing communication skills to work effectively with software development teams.</li><li>Security Clearance requirement: Position requires candidates to possess active SECRET security clearance to be considered for this role.</li></ul> Preferred Qualifications: <ul><li>Experience with container technologies such as Docker and container orchestration tools like Kubernetes</li><li>Experience with Atlassian products (Jira, Trello, Confluence, Bitbucket, etc.)</li><li>Experience with CI/CD pipeline tools like Jenkins and GitLab</li><li>Experience working in a Linux environment.</li><li>Experience with cloud computing virtualization platforms like VMware vSphere</li><li>Experience with automated provisioning and configuration tools like Ansible, Terraform, CloudFormation, Chef, Puppet or similar technologies</li><li>Experience with data monitoring platform tools, such as Grafana</li><li>Experience with data instrumentation tools, such as Metabase</li><li>Familiarity with basic web technologies including HTML, CSS, XML, REST, JSON, SOAP, and WSDL</li><li>Familiarity with web application technologies, such as Apache Tomcat, JBoss, etc.</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: July 15, 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 Intelligence Sector delivers advanced technology and mission software across cyber, logistics, security operations, and decision analytics, empowering defense and intelligence customers to stay ahead of evolving global threats. Our mission is simple: equip those who protect the nation with the tools, technologies, and insights they need to succeed in an increasingly complex security landscape. We are seeking a Senior Software Engineer who doesn't just build systems, but redefines how they are imagined, developed, and deployed. In this role, you will act as both a lead engineer and technical innovator, driving the design and delivery of AI-enabled, agentic, and intelligent software platforms that accelerate modernization and mission outcomes. You will operate across the full spectrum, from shaping technical strategy and evaluating emerging technologies to prototyping and delivering production-grade solutions. We're looking for builders who move with urgency, think boldly, and execute with discipline. You'll work in a highly collaborative environment, developing scalable, high-quality software while influencing the direction of next-generation capabilities. The ideal candidate brings strong object-oriented design fundamentals, deep backend engineering experience, and a passion for solving complex problems at scale. You will contribute across the full software lifecycle while continuously improving performance, reliability, and user experience. Primary Responsibilities &bull; Design, build, and scale distributed, cloud-native and on-premise systems, including developer platforms and mission-critical applications. &bull; Develop and deploy AI-enabled applications, including integration of large language models (LLMs), retrieval-augmented generation (RAG), and agentic workflows into production environments. &bull; Architect and implement solutions using modern AI/ML frameworks, orchestration tools, vector databases, and microservices-based architectures. &bull; Write high-quality, maintainable code in multiple programming languages (e.g., Python, Java, C++, Go), leveraging AI-assisted development tools to accelerate delivery and improve productivity. &bull; Leverage AI to analyze, modernize, and refactor large, complex codebases (e.g., Java, .NET, COBOL, C++). &bull; Design and optimize end-to-end AI workflows, including prompt engineering, model evaluation, fine-tuning, and continuous improvement of model performance. &bull; Develop and maintain CI/CD pipelines and automated testing frameworks to support rapid, reliable software delivery across environments (on-prem, AWS, Azure). &bull; Apply DevSecOps principles to ensure secure, resilient, and compliant software solutions, particularly in government or mission-focused environments. &bull; Lead and contribute to technical architecture decisions, ensuring alignment with best practices in scalability, performance, and maintainability. &bull; Identify, assess, and mitigate technical risks proactively, ensuring system reliability and mission success. &bull; Collaborate with cross-functional teams and stakeholders to translate requirements into technical solutions, clearly communicating complex concepts to both technical and non-technical audiences. &bull; Support software lifecycle management, including version control, release management, and deployment across development, test, QA, and production environments. &bull; Contribute to improving developer experience (DevX) through tooling, automation, and workflow enhancements. &bull; Operate effectively within an Agile development environment, participating in sprint planning, daily stand-ups, and regular demonstrations of working software. Basic Qualifications &bull; Bachelor's degree and 12+ years experience in software engineering, including significant experience at the senior/architect level. Additional experience may be considered in lieu of a degree. &bull; Expertise in designing and building distributed systems, developer tools, or platform engineering products. &bull; Hands-on experience implementing AI/ML systems or integrating large language models into production workflows. &bull; Strong knowledge of agentic frameworks, orchestration tools, RAG, vector databases, API design, and microservices. &bull; Deep understanding of software design patterns, CI/CD, DevSecOps, and cloud-native architectures (AWS/Azure/GCP). &bull; Strong coding proficiency in at least two modern languages (Python, Go, Java, C#, etc.). &bull; Experience supporting full software development lifecycle (SDLC) from design through deployment and sustainment. &bull; Proven ability to work independently and lead within Agile/Scrum teams. Experience mentoring junior engineers and guiding best practices. Strong communication skills to translate complex technical concepts to stakeholders. &bull; Must be authorized to work in the U.S. &bull; Must live in the National Capital Region area and be able to commute to the Leidos GHQ office. Flexible to work remote with the ability to commute to the corporate office as needed &bull; Must have active TS clearance with ability to obtain and maintain a TS/SCI security clearance Preferred Qualifications &bull; Experience leading or contributing to enterprise-wide code reuse, standardization, and modernization initiatives &bull; Familiarity with developer experience (DevEx) improvements, including tooling, workflows, and platform engineering concepts &bull; Hands-on experience with static analysis, code quality, and security scanning tools (e.g., SonarQube, Fortify, Checkmarx) &bull; Experience working in cloud environments (AWS, Azure, GCP), including hands-on experience with AWS services such as EC2 and S3, and deploying applications in containerized architectures (Docker, Kubernetes) &bull; Working knowledge of multiple programming languages and the ability to operate across diverse technology stacks &bull; Experience establishing and managing software baselines, inventories, and asset catalogs &bull; Familiarity with open-source frameworks and approaches for evaluating and adopting emerging technologies &bull; Experience developing and visualizing engineering metrics and performance dashboards &bull; Background supporting federal, intelligence, or homeland security missions &bull; TS /SCI with poly 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: June 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 $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.

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 The Defense Sector at Leidos currently has an opening for a Software Engineer who holds an active SECRET security clearance to work remotely, but based out of our Tewksbury, MA office. This is an exciting opportunity to use your experience helping the C-sUAS Engineering and Integration mission. In this mission we integrate data from existing C-sUAS infrastructure, radars, and sensors at various locations/sites to aim at controlling the airspace from sUAS . Primary Responsibilities. Develop and maintain software for a robust C-sUAS software suite Design software to support system integration efforts Ensure any new code meets contractual cyber standards Collaborate with government customers to better understand program needs. Communicating issues with leadership Identify areas of improvement that can benefit the software process Basic Qualifications. <ul><li>Must possess and maintain active DoD Secret clearance or above to be considered for role. (US Citizenship required)</li><li>Experience Working with multiple programming languages such as (C#, C++, Python, Java)</li><li>Excellent written and verbal communication skills, a demonstrated ability to meet deadlines, and a strong problem-solving mindset</li><li>Familiarity with the Atlassian suite, including Jira and Confluence</li><li>Familiarity with Gitlab</li><li>Familiarity with Docker and Linux based containerization</li></ul>Preferred Qualifications. <ul><li>Previous experience working with C-sUAS sensors and effectors</li><li>Experience working on projects with a multitude of repositories</li><li>Experience implementing agile methodologies</li><li>Experience with cyber tools such as Fortify, Sonarqubue, Trivy, Dependency Tracker</li><li>Experience with Go or JavaScript</li><li> Experience using NATS messaging framework </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 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 $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. #Remote

Description The Defense Sector at Leidos currently has an opening for a Software Engineer with a active Secret clearance to work remotely, but based out of our Tewksbury, MA office. This is an exciting opportunity to use your experience helping the C-sUAS Engineering and Integration mission. In this mission we integrate data from existing C-sUAS infrastructure, radars, and sensors at various locations/sites to aim at controlling the airspace from sUAS . Primary Responsibilities. Develop and maintain software for a robust C-sUAS software suite Design software to support system integration efforts Ensure any new code meets contractual cyber standards Collaborate with government customers to better understand program needs. Communicating issues with leadership Identify areas of improvement that can benefit the software process Basic Qualifications. <ul><li>Must possess and maintain active DoD Secret clearance or above to be considered for role. (US Citizenship required)</li><li>Experience Working with multiple programming languages such as (C#, C++, Python, Java)</li><li>Excellent written and verbal communication skills, a demonstrated ability to meet deadlines, and a strong problem-solving mindset</li><li>Familiarity with the Atlassian suite, including Jira and Confluence</li><li>Familiarity with Gitlab</li><li>Familiarity with Docker and Linux based containerization</li></ul>Preferred Qualifications. <ul><li>Previous experience working with C-sUAS sensors and effectors</li><li>Experience working on projects with a multitude of repositories</li><li>Experience implementing agile methodologies</li><li>Experience with cyber tools such as Fortify, Sonarqubue, Trivy, Dependency Tracker</li><li>Experience with Go or JavaScript</li><li> Experience using NATS messaging framework </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 $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 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 Join the Exploration, Environment and Earth Intelligence Division at Leidos, where you'll play a pivotal role supporting the U.S. Naval Oceanography Program at the John C. Stennis Space Center. This unique opportunity blends software engineering and data science, allowing you to develop and sustain mission-critical systems and extract actionable insights from complex scientific and geospatial data-directly impacting Navy and allied operations. As a member of our embedded team at the Naval Oceanographic Office (NAVOCEANO), you'll collaborate with technical experts, work with high-resolution databases, and help solve real-world challenges in undersea warfare, oceanography, and meteorology. You'll have the chance to design, build, and analyze advanced software and data solutions in a dynamic, mission-driven environment. What You'll Do:<ul><li>Develop, maintain, and enhance operational software systems, from requirements gathering through deployment, using best practices in a hybrid agile environment.</li><li>Design and implement methods to consolidate, analyze, and visualize large, complex, and diverse datasets from multiple sources.</li><li>Apply advanced statistical concepts, algorithms, and automated processes to solve practical Naval Oceanography challenges.</li><li>Collaborate with physical scientists, software engineers and data scientists on configuration management, data analysis, cyber reviews, and operational testing.</li><li>Contribute to scientific data processing, geospatial mapping, and the development of tools, dashboards, and queries to monitor and improve operational performance.</li><li>Communicate progress, insights, and potential risks effectively within the team.</li><li>Ensure all activities meet technical, schedule, and cost goals, and comply with Navy security and information assurance requirements.</li></ul>What You Bring:<ul><li>U.S. citizenship and an active Secret (or above) security clearance (or ability to obtain one quickly).</li><li>Bachelor's degree in Computer Science, Data Science, Engineering, or a related technical field; relevant experience or certifications may substitute for degree.</li><li>Proficiency in programming languages such as C, C++, C#, Java, and Python (including libraries like Pandas, NumPy, SciPy).</li><li>Experience with database technologies (e.g. SQL, NoSQL) and data manipulation in Windows and Linux environments.</li><li>Familiarity with ESRI ArcGIS products and geospatial workflows.</li><li>Ability to execute, troubleshoot, and modify scripts (Python, shell).</li><li>Strong foundation in statistics, data analysis, and scientific data processing.</li><li>Understanding of AI/ML techniques, cloud-based methods, and modern software development frameworks (e.g., MVVM, WPF, .NET MAUI).</li><li>Excellent communication and problem-solving skills, with the ability to work both independently and as part of a collaborative team.</li></ul>Preferred Skills:<ul><li>Experience with NAVOCEANO production data, processes, and products (e.g., Oceanographic and Atmospheric Model Library, Navy Digital Bathymetric Database).</li><li>Knowledge of classified and unclassified Navy computing environments.</li></ul>If you're passionate about building innovative software and uncovering insights from complex data-and want to make a real impact on national security and scientific discovery-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: June 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 $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 & Data Scientist

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 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: Experience 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 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 do 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 / Manufacturing Sector is seeking a talented and qualified Mid-Level Software Engineer to join our Defense team in Huntsville, AL supporting the Common Hypersonic Glide Body (CHGB) Program. This position will support the development, refinement and repository management of component test software. Primary Responsibilities. <ul><li>Develop Post Data Analysis toolkits.</li><li>Review, understand and refine MATLAB and LabVIEW code.</li><li>Use internal systems to publish, revise and track software updates.</li><li>Develop and maintain test procedures on software use to support testing and vehicle delivery.</li><li>Analyze test results to verify that Post Data Analysis toolkits verify test results against the Test Requirement Document.</li><li>Collaborate with multiple teams to meet our technical and schedule requirements.</li></ul>Basic Qualifications. <ul><li>A BS in Electrical, Computer or Software Engineering. Candidate should have at least 2+ years of relevant experience in testing.</li><li>Experience in a Manufacturing and/or MIL-STD-810 Test Environment</li><li>Background in software or analysis toolkit development.</li><li>Ability to read and interpret Electrical drawings, schematics, and specifications.</li><li>Experience working with a multi-disciplinary team.</li><li>Experience working with electrical systems and RF test equipment.</li></ul>Preferred Qualifications. The following skills/abilities are desired:<ul><li>Active security clearance.</li><li>Experience in MATLAB code and app development and troubleshooting.</li><li>Experience with National Instrument Software development and troubleshooting.</li><li>Experience supporting DoD programs related to missile systems, reentry vehicles, or hypersonic technologies.</li><li>Prior work in assembly, integration, or testing of missile systems.</li><li>Experience supporting rapid development, prototyping, or fast-paced engineering programs.</li><li>Experience in using GitHub and managing data in Windchill.</li></ul>Candidate must be a resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama, AL area. Other Qualifications: The ideal candidate would have experience in environmental and dynamic testing and have a current DoD Secret clearance. Security Requirements: Candidate must be a US Citizen and possess (and be able to maintain) a Final Secret Clearance or meet the eligibility to obtain (and maintain) a Secret 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: 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.

Software Engineer - Environmental Test Lab

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 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 Leidos has a new and exciting opportunity for a Software Engineer in our Intelligence 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! Software Engineer *Must have an active TS/SCI Polygraph on Day One. No exceptions.* In this exciting role, you will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system! Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging DevOps automation and, where appropriate, use of test automation commercial tools. There are a range of opportunities for server-side business logic implementation as well as client web application and user interface (UI) development. Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript, CSS, HTML, etc.) and special purpose device programming opportunities are available. Primary Responsibilities You will actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other related team activities; analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. You will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench. Basic Qualifications Must have a BS degree or equivalent experience and less than 2 years prior relevant experience. Additional experience may be substituted for a degree. Must have demonstrated experience with Java. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX. Must have experience or familiarity with multiple of the following languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL). Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm. Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server. Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with AngularJS, JSON, HTML, XML, XSLT. Must have experience with software source control and configuration management tools. Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures). Must have experience developing on Windows, and/or Linux operating systems. Must have documented professional experience with web services. Must have a strong understanding of sound software development principles and practices. Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing. Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment. Preferred Qualifications Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting. Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift). Experience with Javascript frameworks: AngularJS, Bootstrap, JQuery. Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse. Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus. Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration. Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD). Experience with Behavior Driven Development (BDD). Secure Software development (i.e., Layer 7 Policy). Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team. CSSKEY CONMD careers.leidos.com/CONMD abundance 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 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 $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 TS/SCI Poly

Description Leidos has a new and exciting opportunity for a Software Engineer in our Intelligence 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! Software Engineer *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging DevOps automation and, where appropriate, use of test automation commercial tools. There are a range of opportunities for server-side business logic implementation as well as client web application and user interface (UI) development. Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript, CSS, HTML, etc.) and special purpose device programming opportunities are available. Primary Responsibilities You will actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other related team activities; analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. You will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench. Basic Qualifications Must have a BS degree and 2 - 4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience. Additional experience may be substituted for a degree. Must have demonstrated experience with Java. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX. Must have experience or familiarity with multiple of the following languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL). Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm. Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server. Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with AngularJS, JSON, HTML, XML, XSLT. Must have experience with software source control and configuration management tools. Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures). Must have experience developing on Windows, and/or Linux operating systems. Must have documented professional experience with web services. Must have a strong understanding of sound software development principles and practices. Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing. Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment. Preferred Qualifications Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting. Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift). Experience with Javascript frameworks: AngularJS, Bootstrap, JQuery. Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse. Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus. Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration. Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD). Experience with Behavior Driven Development (BDD). Secure Software development (i.e., Layer 7 Policy). Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team. CSSKEY CONMD careers.leidos.com/CONMD abundance 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: February 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 has a new and exciting opportunity for Software Engineers (hiring junior level, mid-level, up to senior level) in our Intelligence 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 Summary The Software Engineer will perform software development lifecycle (SDLC) activities as a member of an Agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging DevOps automation and, where appropriate, use of test automation commercial tools. There are a range of opportunities for server-side business logic implementation as well as client web application and user interface (UI) development. Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript, CSS, HTML, etc.) and special purpose device programming opportunities are available. Primary Responsibilities The Software Engineer will be responsible for software development activities both individually and as a member of an Agile team. The Software Engineer will actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other related team activities. The individual will analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. She/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. She/he will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench. Basic Qualifications<ul><li>Requires BS and 4 - 8 years of prior relevant experience or Masters with 2 - 6 years of prior relevant experience. Additional experience may be substituted for a degree.</li><li>**Must have demonstrated experience with Java**</li><li>Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.</li><li>Must have experience or familiarity with multiple languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL).</li><li></li><li>Must have experience developing on Windows operating systems.</li><li>Must have documented professional experience with web services.</li><li>Must have a strong understanding of sound software development principles and practices.</li><li>Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing.</li><li>Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment.</li></ul><ul><li>Clearance Required: Must have TS/SCI with Polygraph on Day One.</li></ul>Preferred Qualifications<ul><li>Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting.</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 CSSKEY 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 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 $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.

Learn more about free job search tools, learning opportunities, and exclusive member events.

Discover CareerCircle

Access resources to advance your job search and career growth.

Tools & Training

Explore a wide range of job opportunities that match your skills and career goals.

Search Jobs

Create a professional resume that captures the attention of top employers with our easy-to-use tool.

Resume Builder

Prepare for your next interview with our expert tips and strategies.

Interview Prep

Discover in-depth profiles of leading employers to find your ideal workplace.

Search Companies

Develop in-demand skills with curated courses for today’s job market.

Courses

Access career resources and job postings anytime, anywhere with our app.

Mobile App

Source skilled talent and build your team.

Talent Acquisition

Access skilled talent ready to excel via our AI-driven platform, virtual events, and recruitment services.

CareerCircle TalentConnect

Transform your workforce and hiring practices with essential training and continuing education.

InclusiveU

Broaden your talent pool with dedicated support for individuals with disabilities.

Getting Hired Powered by CareerCircle

Mission aligned solutions supporting Non-Profit Organizations, Educational Institutions, Local Workforce Development Boards, and Learning Providers.

Upskilling & Job Advocacy

Upskilling solutions designed to empower members with in-demand skills training and ongoing support for successful certificate completion.

CareerReady

Job advocacy solutions to connect job seekers to inclusive employers through dedicated recruiting support.

CareerAdvocacy

Learn how we connect all communities with careers and build skilled talent pipelines.

About CareerCircle

Discover answers to common questions and gain insights into our goals and services.

Reach out to us for inquiries, support, or to learn more about our mission and services.

Contact

Explore our blog for latest news and trends for job seekers and employers.

Blog

Access our virtual career fairs, job seeker workshops, and employer focused webinars.

Events

Discover valuable resources to enhance your hiring strategy and drive organizational success.

Employer Resources

Get the latest news and updates on our mission, partnerships, and community impact.

Press Room

Learn how CareerCircle can help veterans find meaningful employment

Veterans

Learn how CareerCircle can help individuals with disabilities find meaningful employment

Individuals with Disabilities

Learn how CareerCircle can help military spouses find meaningful employment

Military Spouses

Discover benefits and best practices for hiring veterans

Disability Hiring

Discover benefits and best practices for hiring individuals with disabilities 

Leidos Jobs

Browse Leidos Jobs

JOB SEEKERS

EMPLOYERS

COMMUNITY PARTNERS

ABOUT

RESOURCES