Description Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. Our division currently has an exciting opportunity for a Software Engineer to perform design, development, and hardware/software integration in Arlington, VA for the Advanced Warfare Technology Division. Our division primarily focuses on research & development and advanced prototyping, transforming state of the art signal 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. Join a team of experts in implementing high-performance signal processing on general purpose processors, such as ARM. The successful candidate will be responsible for: &bull; Contributing to design and development of advanced systems as a part of multi-disciplinary teams. These teams are made up of other software team members and subject matter experts from the areas of systems engineering, hardware, firmware, machine learning, RF front end design, and signal processing. &bull; Designing, implementing, and testing real-time C/C++ software for multi-core systems running Linux or a real-time operating systems, such as VxWorks &bull; Build software products that utilize third party mathematics and communication libraries &bull; Interface communication standards / protocols such as TCP/IP, UDP, and DDS &bull; Read and understand signal processing algorithms written in MATLAB &bull; Work with Linux operating system as well as experience with real-time operating systems &bull; Designing, implementing, and testing software to configure and control RF hardware devices &bull; Integrating software into third-party software frameworks and architectures, such as Redhawk &bull; Documenting the developed systems &bull; Support system field testing and collection events, usually about a week in duration once or twice a year 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 Advanced Warfare Technology! The successful candidate will have the following education/experience: &bull; Bachelor's Degree in Computer Engineering, Electrical Engineering, or Computer Science &bull; 4+ years of software development experience, including strong experience in C/C++ software development &bull; Experience using version control (Subversion, GIT, etc.) and continuous integration software tools (Jenkins) &bull; Must have active Secret level security clearance with the ability to obtain a TS/SCI. Bonus education/experience: &bull; Master's Degree in Computer Engineering, Electrical Engineering, Computer Science, or equivalent &bull; Existing security clearance higher than the Secret level &bull; Experience with Machine Learning and/or Artificial Intelligence algorithms and libraries, such as TensorFlow &bull; Experience with MATLAB GPU computing &bull; Experience with High Performance Computing including parallel and distributed computation &bull; Experience with Model-Based Design code generation practices &bull; Experience with cloud-based computing platforms, such as Amazon Web Services (AWS) &bull; Experience with other programming languages such as Python and/or Java AWTLINC At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: October 20, 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 $85,150.00 - $153,925.00 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-Descrimination 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 Engineer

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 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 Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: July 31, 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 $85,150.00 - $153,925.00 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-Descrimination 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 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>Bachelor's degree in Computer Science or a related field and at least 4 years of 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 of the following languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL).</li><li>Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm.</li><li>Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server.</li><li>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.</li><li>Must have experience with software source control and configuration management tools.</li><li>Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures).</li><li>Must have experience developing on Windows, and/or Linux 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> 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><li>Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift).</li><li>Experience with Javascript frameworks: AngularJS, Bootstrap, JQuery.</li><li>Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse.</li><li>Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus.</li><li>Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.</li><li>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).</li><li>Experience with Behavior Driven Development (BDD).</li><li>Secure Software development (i.e., Layer 7 Policy).</li><li>Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team.</li></ul>careers.leidos.com/CONMD CSSKEY CONMD Original Posting: March 20, 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 $85,150.00 - $153,925.00 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-Descrimination 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! 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>Bachelor's degree in Computer Science or a related field and at least 8 years of 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 of the following languages such as Javascript, Python, C/C++, Groovy, Structured Query Language (SQL).</li><li>Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm.</li><li>Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server.</li><li>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.</li><li>Must have experience with software source control and configuration management tools.</li><li>Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures).</li><li>Must have experience developing on Windows, and/or Linux 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> 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><li>Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift).</li><li>Experience with Javascript frameworks: AngularJS, Bootstrap, JQuery.</li><li>Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse.</li><li>Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus.</li><li>Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.</li><li>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).</li><li>Experience with Behavior Driven Development (BDD).</li><li>Secure Software development (i.e., Layer 7 Policy).</li><li>Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team.</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 Original Posting: March 20, 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 $104,650.00 - $189,175.00 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-Descrimination 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 Transportation Solution Division within the Leidos Civil group is seeking Software Engineers who will be a member of a dynamic team working on the one of several Air Traffic Management programs including: En-Route Automation Modernization (ERAM), the heart of the Next Generation Air Transportation System and the pulse of the National Airspace System, providing the foundation for NexGen functions Terminal Flight Data Manager (TFDM), a tower based system that improves surface management and electronic flight strips Investment Research and Development (IRAD) projects in support of the Brand New Air Traffic Control System. 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: Tasks will include the development of design and coding of the program software, including Object Oriented programming concepts, XML, Javascript, C, C++, Java and Python. Basic Qualifications: - Candidates must have completed a degree program in a relevant discipline; for example, engineering, computer science. - Candidates must have the ability to obtain a public trust clearance - Candidates must be US Citizens Preferred Qualifications: - Familiarity with AI/ML concepts, including experience through academic projects At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: September 18, 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 $55,250.00 - $99,875.00 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-Descrimination 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 an experienced Lead Software Engineer to join our team in developing unmanned and autonomous ships for the US Government. The candidate will help design, code, and test software as part of a Scrum team in Arlington, VA, and will assist in coaching and mentoring junior and mid-level developers. Joining other senior developers, the candidate will help to guide projects of significant national importance. Our team of over thirty developers supports a variety of projects, making existing ships operate autonomously as well as working to support new ships through development within design, build, and test phases. Our software handles ship automation, autonomous navigation, sensor processing, and communications. The team also develops simulations to be used for verification and software testing. Primary Responsibilities<ul><li>Design, develop, and debug mission critical software source code.</li><li>Participate in the full software development lifecycle</li><li>Serve as technical lead for small projects and mentor other engineers.</li><li>Perform peer reviews of software</li><li>Collaborate with the continuous process improvement to help the team improve</li><li>Assist with evaluating field tests</li><li>Communicate with client project team members.</li><li>Some travel (up to 25%)</li></ul>Basic Qualifications<ul><li>A Bachelor's degree in computer science or STEM field plus 4+ years of software development, or 2+ with a masters degree, and at least 2+ using Linux and C++</li><li>Significant experience working in a team environment, including experience providing guidance and coaching to other developers</li><li>Experience designing complex systems, taking into account performance and user requirements</li><li>Exposure to one or more of the following: high availability, sensor fusion, target tracking, path planning, communications systems, or military systems integration</li><li>Ability to obtain and maintain a Secret Security Clearance</li></ul>Preferred Qualifications<ul><li>Familiarity with the Atlassian tool suite</li><li>Familiarity with automated build processes (Bamboo, Jenkins, etc.)</li><li>Familiarity with game theory, artificial intelligence, petri nets, safety critical software</li><li>Demonstrable problem-solving skills</li><li>Active Secret Security Clearance preferred</li></ul>Original Posting: July 9, 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 $85,150.00 - $153,925.00 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-Descrimination 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 General program information and/or position overview: Candidates will join an experienced and motivated group responsible for the design and prototyping of embedded electronics systems used in autonomous ocean applications. This position will collaborate within a medium-sized team of electrical, computer, and mechanical engineers, contributing to systems currently under development, as well as future systems. This person will directly support the team in designing, developing, and testing software by using a variety of Linux computers or microcontrollers. Candidates will be involved in the complete development process: initial concept, rapid prototyping, development, integration, verification, and at-sea testing. Primary Responsibilities: &bull; Collaborate with an integrated government/industry/academia team to identify software requirements and evaluate design approaches for solving technical problems. &bull; Architect, design, and implement maintainable, robust, and performant software, build, and test processes. &bull; Integrate, test, and verify software implementations on target hardware platforms. &bull; Creatively recognize performance gaps and suggest possible improvements. &bull; Participate in activities to secure and harden Linux systems according to Department of Defense (DoD) standards. &bull; Operate autonomous systems in the lab, or at sea, to accomplish the above. &bull; Post Mission Analysis (PMA) for autonomous systems including validation of control laws, characterization of navigation performance, and modification of behaviors. &bull; Communicate regularly across the engineering team to coordinate development efforts, anticipate design changes, prioritize feature implementations and bug fixes, and solicit team feedback. Basic Qualifications &bull; U.S. Citizen with ability to obtain minimum SECRET security clearance; active clearance preferred &bull; Bachelor's or higher degree in Electrical Engineering, Computer Engineering, Computer Science, Physics, or Mathematics (with a software background), or other STEM fields &bull; 4+ years of experience in one or more of the following areas: &bull; Linux application development, embedded and user facing, using tools such as: x64 and/or ARM environments &bull; Virtual machines &bull; VS Code, or similar, Integrated development environments (IDEs) &bull; Valgrind, or similar, memory debuggers &bull; CMake, or similar, software build tools &bull; Cross compilation &bull; Unit testing and/or regression testing &bull; Subversion (SVN) and/or Git repositories &bull; Continuous integration (CI) / Continuous deployment (CD) pipelines &bull; Linux system hardening and security best practices: &bull; Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIG) &bull; Public Key Infrastructure (PKI) for SSH or similar frameworks &bull; Linux Unified Key Setup (LUKS) disk encryption &bull; Proficiency in one or more of the following languages: &bull; C; C++, Python, Java &bull; Hardware in the loop testing using instruments such as power supplies, multi-meters, etc. &bull; Familiarity with or ability to read, understand, and interpret complex technical documents such as Software Requirements Specifications (SRSs) or Interface Control Documents (ICDs). &bull; Proficiency with basic office software (Outlook, Word, Excel, PowerPoint, Visio, Teams, SharePoint). &bull; Able to lift objects up to 40 pounds. &bull; Able to travel domestically or internationally, estimated at 1-2 weeks per trip up to 4 times per year. Preferred Qualifications &bull; Experience with Agile and Scrum project management practices. &bull; Working knowledge of low-level communication protocols (SPI, I2C, RS-232, CAN, Ethernet, etc.). &bull; Experience with Real-time Operating System (RTOS) or bare-metal microcontroller firmware development using tools such as: &bull; Microchip MPLAB X IDE, or similar &bull; Microchip In-Circuit Debugger/Programmer (ICD5), Segger J-Link JTAG Debugger/Programmer, or similar &bull; Laboratory instruments such as power supplies, multi-meters, oscilloscopes, logical analyzers, electronic loads, and the like &bull; Altium Printed Circuit Board (PCB) design software, or similar &bull; Experience with other Linux environment tools such as: &bull; OpenCV computer vision algorithms &bull; Nvidia Compute Unified Device Architecture (CUDA) platform &bull; Bash scripting &bull; Octave, MatLab, or similar software packages for data analysis &bull; Experience with Navy standard platforms for autonomous vehicles such as: &bull; OpenAUV framework &bull; PCX framework &bull; Data Distribution Service (DDS) middleware &bull; Experience with Raspberry Pi, or similar, low power embedded computers. &bull; Familiarity with basic oceanographic instruments like depth sensors, altimeters, long or short baseline systems, doppler velocity logs, altitude & heading reference systems (AHRS), and similar. &bull; Experience with small boat operations and at-sea testing. SUBSEAMSS Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: August 20, 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 $85,150.00 - $153,925.00 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-Descrimination 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 Ready for your next career step? The Command and Control Incident Management Emergency Response Application (C2IMERA) program in Leidos' National Security Sector has current job opportunities for talented Software Engineers with 2+ years of hands-on experience to join our dynamic team. The successful candidate will work collaboratively with an outstanding team of software developers and engineers to continue to produce and field software on behalf of the US Air Force. 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 a tremendous opportunity for growth in a customer-facing, fast-paced, and rewarding environment. This position does allow remote work but candidates that are able to occasionally be onsite at any of the following locations would be preferred. The ideal locations would include Newport News, VA; Lexington, MA; Orlando, FL; Charlottesville, VA; Omaha, NE; or Morgantown, WV. Primary Responsibilities:<ul><li>Design, develop, troubleshoot, and debug mission critical software source code using modern software development languages and tools, such as java.</li><li>Participate in the full software development lifecycle, working within broadly defined parameters.</li><li>Use Agile development tools such as Jira, Confluence, and Bitbucket/Git to manage work and collaborate with your teams.</li><li>Support creation and updating of all relevant documentation and specifications for design, development and testing.</li><li>Identify potential roadblocks and develop around them.</li><li>Plan and estimate development tasks and work to improve performance metrics.</li><li>Develop maintainable code that matches specification.</li><li>Develop automated tests leveraging a continuous integration process.</li><li>Own delivery of small parts of a system or application.</li><li>Work closely with other engineers to develop the best technical design and approach for new product development.</li><li>Build software solutions where the solution is not always well defined but always considers the customer first.</li></ul>Basic Qualifications:<ul><li>Bachelor's degree with 2+ years of experience or a Masters degree with 1+ years of experience. Additional experience may be considered in lieu of a degree.</li><li>US Citizen with the ability to obtain and maintain a DoD Secret clearance.</li><li>Hands-on experience with Java/C++ and object-oriented programming (applicants will be tested).</li><li>Hands-on experience with JavaScript and JS frameworks such as React.</li><li>Ability to apply software development process fundamentals.</li><li>Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.</li><li>Ability to complete tasking independently with minimal direct supervision.</li><li>Ability to work and collaborate effectively within a multi-disciplined engineering team.</li></ul>Preferred Qualifications:<ul><li>US Citizen with an active Secret clearance.</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><li>Knowledge of a version control system (e.g., Git).</li><li>Knowledge of Agile Development methodologies.</li><li>Familiarity with multiple operating systems (Mac OSX, Windows, LINUX, etc.).</li><li>Familiarity with at least one Relational Database Management System (Oracle, MySQL, PostgreSQL, SQL Server, etc.).</li><li>Proficiency with MS Office Products (Word, Excel, Visio, & PowerPoint).</li><li>Familiarity with NoSql databases (MongoDB, etc.).</li><li>Familiarity with server-side JavaScript.</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 21, 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 $67,600.00 - $122,200.00 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-Descrimination 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 Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! This position is eligible for a sign on bonus of $25,000. Primary Responsibilities<ul><li>Analyze user requirements to derive software design and performance requirements.</li><li>Debug existing software and correct defects.</li><li>Provide recommendations for improving documentation and software development process standards.</li><li>Design and code new software or modify existing software to add new features.</li><li>Integrate existing software into new or modified systems or operating environments.</li><li>Develop simple data queries for existing or proposed databases or data repositories.</li><li>Write or review software and system documentation.</li></ul>Basic Qualifications:<ul><li>Minimum of Seven (7) years' experience as a SWE in programs and contracts of similar scope, type, and complexity is required.</li><li>Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree.</li><li>Clearance Requirement: Top Secret/SCI with Polygraph</li></ul>Preferred Qualifications<ul><li>Java development experience</li><li>Software testing automated and/or manual</li><li>Experience working on an Agile development team</li><li>C++</li><li>JavaScript, TypeScript, HTML, and CSS</li><li>React or similar libraries (Vue, Angular)</li><li>Consuming and creating REST APIs and WebSockets</li><li>Experience with JavaScript 3D libraries such as Three.js is preferred, but not required</li></ul>cssrc conmd At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: October 23, 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 $104,650.00 - $189,175.00 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-Descrimination 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. At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: October 21, 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 $85,150.00 - $153,925.00 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-Descrimination 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 Transportation Solution Division within the Leidos Civil group is seeking Software Engineers who will be a member of a dynamic team working on the one of several Air Traffic Management programs including: En-Route Automation Modernization (ERAM), the heart of the Next Generation Air Transportation System and the pulse of the National Airspace System, providing the foundation for NexGen functions Terminal Flight Data Manager (TFDM), a tower based system that improves surface management and electronic flight strips Investment Research and Development (IRAD) projects in support of the Brand New Air Traffic Control System. 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: Tasks will include the development of design and coding of the program software, including Object Oriented programming concepts, XML, Javascript, C, C++, Java and Python. Basic Qualifications: - Candidates must have completed a degree program in a relevant discipline; for example, engineering, computer science. - Candidates must have the ability to obtain a public trust clearance - Candidates must be US Citizens Preferred Qualifications: - Familiarity with AI/ML concepts, including experience through academic projects If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 18, 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 $55,250.00 - $99,875.00 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.

Description The Transportation Solution Division within the Leidos Civil group is seeking Software Engineers who will be a member of a dynamic team working on the one of several Air Traffic Management programs including: En-Route Automation Modernization (ERAM), the heart of the Next Generation Air Transportation System and the pulse of the National Airspace System, providing the foundation for NexGen functions Terminal Flight Data Manager (TFDM), a tower based system that improves surface management and electronic flight strips Investment Research and Development (IRAD) projects in support of the Brand New Air Traffic Control System. 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: Tasks will include the development of design and coding of the program software, including Object Oriented programming concepts, XML, Javascript, C, C++, Java and Python. Basic Qualifications: - Candidates must have completed a degree program in a relevant discipline; for example, engineering, computer science. - Candidates must have the ability to obtain a public trust clearance - Candidates must be US Citizens Preferred Qualifications: - Familiarity with AI/ML concepts, including experience through academic projects If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 29, 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 $55,250.00 - $99,875.00 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-Descrimination 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 (SME) 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 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 Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: August 4, 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 $148,850.00 - $269,075.00 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-Descrimination 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 (SME)

Description Leidos' High Fidelity Simulation Business Area designs and delivers cutting-edge system-of-systems solutions that power world-class simulation, training, and analysis products for the U.S. Navy. In this role, based at a U.S. Government facility in Bethesda, MD, you will work with state-of-the-art technologies to develop advanced sonar tactical decision aids (TDAs) that directly support the Fleet. You'll be part of a high-performing team whose mission-critical work shapes the Navy's tactical edge-making a tangible impact on national security. At Leidos, we empower our engineers to do meaningful work while continually building new skills to grow the career they want to achieve. What You'll Work On<ul><li>Develop and enhance Tactical Signature Guidance (TSG) systems, including sonar TDAs across multiple code baselines.</li><li>Troubleshoot and resolve complex software challenges while contributing innovative solutions.</li><li>Learn and apply new programming languages and technologies, with mentorship and support from experienced teammates.</li><li>Occasionally support hardware system configuration and build-out, gaining exposure to full system integration.</li></ul>This opportunity is ideal for developers who thrive on solving complex problems, want to expand their technical expertise, and are motivated by work that directly supports the U.S. Navy's operational readiness. Primary Responsibilities<ul><li>Work collaboratively in an agile team environment supporting a large-scale program.</li><li>Own and deliver software solutions in Java, C++, and other modern languages.</li><li>Learn and apply new technologies (e.g., Angular, Rust, Scala) to meet evolving needs.</li><li>Troubleshoot and resolve complex technical issues with efficient solutions.</li><li>Adapt quickly to shifting priorities and support urgent requests when needed.</li><li>Communicate clearly with teammates, stakeholders, and leadership.</li><li>Travel occasionally to Manassas, VA for integration and team collaboration.</li></ul>Basic Qualifications<ul><li>Education: Bachelor's degree in Computer Science, Engineering, Math, Physical Sciences, or a related field that provides strong software development skills.</li><li>Experience: Around 5 years of hands-on experience in one or more of the following:<ul><li>Designing and developing real-time acoustic signal processing algorithms</li><li>Building parallel processing solutions</li><li>Working with microservices</li><li>Developing software for signal processing, real-time data analysis, or visualization/simulation systems</li><li>Experience with Java and C++ are a must</li></ul></li><li>Clearance: Must be able to obtain a U.S. security clearance.</li><li>Certification: Must be willing to earn an IAT Level I (or higher) certification after hire (company-supported).</li></ul>Preferred Qualifications<ul><li>Active Secret level security clearance.</li><li>Experience with Angular, Rust and/or Scala</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 23, 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 $85,150.00 - $153,925.00 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-Descrimination 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 (Tactical Decision Aids - Mid-Level)

Description Leidos is seeking a Software Engineer (C#) to work for the Security Enterprise Solutions (SES) business unit in Vista, CA. The SES business unit at Leidos designs and manufactures highly complex security equipment for use at border crossings, airports, seaports, and other transportation mechanisms. Our products include radiation detectors and spectrometers, X-ray and gamma ray scanners for cars, trucks and trains, and CT explosives detection equipment for airline passenger baggage. The ultimate goal for this position will be to update existing design as well as introduce new products to our already extensive line of security detection products. The products being developed through this effort are truly novel, and will make travel and trade safer, healthier, and more efficient on a global level. *We are seeking candidates local to Vista CA that have the ability to work a hybrid schedule (3 days remote, 2 days onsite) As part of a cross-functional team, the Software Engineer (C#) will develop and maintain cargo inspection detection systems for the Ports and Borders group at Leidos. This role requires a solid foundation in software development, a commitment to learning, and the ability to contribute to innovative solutions. Key Responsibilities: Technical Contribution and Collaboration:<ul><li>Assist in the design, development, testing, and maintenance of services, simulators, and diagnostics (WPF and Blazor) using C#.</li><li>Collaborate with team members to ensure alignment with best practices and coding standards.</li><li>Contribute to the adoption of tools and processes that enhance productivity and innovation.</li><li>Work closely with senior engineers to gain experience and contribute to technical solutions.</li></ul>Software Development and Security Compliance:<ul><li>Develop software that adheres to industry security standards and contributes to the security compliance of the codebase and coding practices.</li><li>Utilize object-oriented design principles, practices, and patterns to ensure the codebase is reusable and maintainable.</li><li>Apply Agile development practices, including Test-Driven Development (TDD) and Continuous Integration, to ensure high-quality, continuously tested code.</li><li>Collaborate with Electrical Engineering, Mechanical Engineering, and Scientists to meet customer requirements.</li></ul>Problem Solving and Innovation:<ul><li>Troubleshoot and resolve technical issues under the guidance of senior engineers.</li><li>Contribute to innovation by researching and integrating best practices to develop effective solutions.</li></ul>Communication and Reporting:<ul><li>Communicate effectively within a small cross-functional development team environment.</li><li>Report project status and issues to management as required.</li></ul> Required Skills: <ul><li>BS Degree and 2+ years of experience or Masters Degree with less than 2 years of experience. May consider additional experience in lieu of a degree.</li><li>Must have the ability to obtain a Public Trust clearance (US citizenship required).</li><li>Programming with production product development experience in C# required.</li><li>Solid understanding of object-oriented design (OOD) principles and practices.</li><li>Familiarity with Agile development environments, including Test-Driven Development (TDD) and Continuous Integration.</li><li>Ability to create basic design documentation and other technical documentation.</li><li>Strong troubleshooting and bug-fixing skills.</li><li>Effective communication and collaboration skills in cross-functional team environments.</li><li>Must be willing to travel abroad. If travel is necessary, typically it will be < 10% . </li></ul> Desired Skills: <ul><li>Familiarity with AI-based software development tools.</li><li>Experience developing software that complies with industry security standards.</li><li>Proficiency with revision control (e.g., Git), multi-threading, TCP/IP networking, bus architectures, Web Services, Blazor, containers (e.g., Docker), Visual Studio, C++, SQL Server, and interfacing with real-time/embedded systems.</li><li>Experience, familiarity, or interest with embedded, RTOS, and/or PLC code.</li><li>Knowledge of image processing techniques.</li></ul>Check out the links below to learn more about Security Enterprise Solutions (SES) https://careers.leidos.com/pages/security-enterprise-solutions https://www.leidos.com/markets/aviation/security-detection Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: August 8, 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 $67,600.00 - $122,200.00 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-Descrimination 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 C#

Description Leidos is seeking a Software Engineer (C#) to work for the Security Enterprise Solutions (SES) business unit in Vista, CA. The SES business unit at Leidos designs and manufactures highly complex security equipment for use at border crossings, airports, seaports, and other transportation mechanisms. Our products include radiation detectors and spectrometers, X-ray and gamma ray scanners for cars, trucks and trains, and CT explosives detection equipment for airline passenger baggage. The ultimate goal for this position will be to update existing design as well as introduce new products to our already extensive line of security detection products. The products being developed through this effort are truly novel, and will make travel and trade safer, healthier, and more efficient on a global level. *We are seeking candidates local to Vista CA that have the ability to work a hybrid schedule (3 days remote, 2 days onsite) As part of a cross-functional team, the Software Engineer (C#) will develop and maintain cargo inspection detection systems for the Ports and Borders group at Leidos. This role requires strong technical skills, a commitment to continuous learning, and the ability to contribute to innovative solutions. Key Responsibilities: Technical Contribution and Collaboration:<ul><li>Participate in the design, development, testing, and maintenance of services, simulators, and diagnostics (WPF and Blazor) using C#.</li><li>Collaborate with team members to ensure alignment with best practices and coding standards.</li><li>Contribute to the adoption of tools, including AI-based software development tools, to enhance productivity and innovation.</li><li>Engage with team members to ensure shared ownership of technical solutions and processes.</li></ul>Software Development and Security Compliance:<ul><li>Develop software that adheres to industry security standards and contributes to the security compliance of the codebase and coding practices.</li><li>Utilize object-oriented design principles, practices, and patterns to ensure the codebase is reusable and maintainable.</li><li>Apply Test-Driven Development (TDD) and Continuous Integration to ensure high-quality, continuously tested code.</li><li>Collaborate with Electrical Engineering, Mechanical Engineering, and Scientists to meet customer requirements.</li></ul>Problem Solving and Innovation:<ul><li>Evaluate customer problems, troubleshoot issues, and assist Field Service Engineers with problem resolution.</li><li>Contribute to innovation by researching and integrating best practices to develop effective solutions.</li></ul>Communication and Reporting:<ul><li>Communicate proactively and effectively within a small cross-functional development team environment.</li><li>Report project status and issues to management as required.</li></ul>Required Skills:<ul><li>BS Degree and 4+ years of experience or Masters Degree with 2+ years of experience. May consider additional years of experience in lieu of a degree.</li><li>Must have the ability to obtain a Public Trust clearance (US citizenship required).</li><li>Strong programming background with production product development experience in C# required.</li><li>Solid understanding of object-oriented design (OOD) principles and practices.</li><li>Experience working in Agile development environments, including familiarity with TDD and Continuous Integration.</li><li>Ability to create design documentation, requirements specifications, and other technical documentation.</li><li>Strong troubleshooting and bug-fixing skills.</li><li>Effective communication and collaboration skills in cross-functional team environments.</li><li>Must be willing to travel abroad. If travel is necessary, typically it will be </li></ul>Desired Skills:<ul><li>Familiarity with AI-based software development tools.</li><li>Experience developing software that complies with industry security standards.</li><li>Experience identifying code smells and utilizing refactoring techniques to improve code quality.</li><li>Proficiency with revision control (e.g., Git), multi-threading, TCP/IP networking, bus architectures, Web Services, Blazor, containers (e.g., Docker), Visual Studio, C++, SQL Server, and interfacing with real-time/embedded systems.</li><li>Experience, familiarity, or interest with embedded, RTOS, and/or PLC code.</li><li>Knowledge of image processing techniques.</li></ul>Check out the links below to learn more about Security Enterprise Solutions (SES) https://careers.leidos.com/pages/security-enterprise-solutions https://www.leidos.com/markets/aviation/security-detection Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: August 8, 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 $85,150.00 - $153,925.00 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-Descrimination 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 National Security Sector at Leidos is seeking a motivated and talented Software Engineer Intern to join our team on-site at Eglin AFB, FL, in support of the Joint Staff J6 Joint Assessment Division (JAD) starting in Summer 2026. This internship offers a unique opportunity to contribute to system-of-systems interoperability assessments and advance Combined Joint All Domain Command and Control (CJADC2) data-centricity initiatives. As an intern, you will work alongside experienced software engineers, data scientists, and analysts, applying your skills to solve real-world challenges and gain valuable hands-on experience in a dynamic and impactful environment. You will contribute to delivering actionable insights to the Chairman of the Joint Chiefs of Staff, directly enhancing Joint Force capabilities. Primary Responsibilities<ul><li>Collaborate with senior engineers to design, develop, test, and deploy software solutions.</li><li>Write clean, well-documented, and testable code following established coding standards.</li><li>Participate in code reviews and provide constructive feedback to peers.</li><li>Contribute to the development of new features and enhancements for existing products.</li><li>Debug and troubleshoot software issues, identifying root causes and implementing effective solutions.</li><li>Work within an agile development environment, participating in sprint planning, daily stand-ups, and retrospectives.</li><li>Contribute to documentation, including technical specifications and user guides.</li><li>Learn and adapt to new technologies and development methodologies.</li><li>Potentially work on automating processes, creating scripts, and improving efficiency of workflows.</li><li>Proactively identify areas for improvement and suggest innovative solutions.</li><li>Research and explore new technologies and create prototypes to demonstrate their potential.</li></ul>Example Project Areas<ul><li>Web Development: Building and improving web applications using React for user interfaces.</li><li>Backend Development: Developing and maintaining backend services using C# and MySQL relational databases.</li><li>Specialized Data Parsing & Interpretation: Develop software to parse and interpret data adhering to specific military standards.</li><li>Networking and Data Protocol Interfacing: Design, implement, and test code to interface with different data protocols, such as TCP/IP, HTTP/HTTPS, UDP, gRPC, Serial Communications, and Custom Protocols.</li><li>Desktop application development: Debug or develop new features in standalone Windows desktop applications.</li></ul>Basic Qualifications<ul><li>Currently pursuing a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.</li><li>Strong understanding of fundamental programming concepts and data structures.</li><li>Proficiency in at least one programming language, such as C#, Java, C++, or JavaScript.</li><li>Familiarity with relational databases (e.g., MySQL, Microsoft SQL Server, PostgreSQL).</li><li>Familiarity with version control systems, such as Git.</li><li>Excellent problem-solving and analytical skills.</li><li>Strong communication and teamwork skills.</li><li>Ability to learn quickly and adapt to new technologies.</li><li>Must be a U.S. Citizen.</li><li>Ability to obtain and maintain a Secret Clearance.</li></ul>Preferred Qualifications<ul><li>Experience with web development frameworks, such as React, Angular, or Vue.js.</li><li>Experience with cloud platforms, such as AWS, Azure, or GCP.</li><li>Experience with Agile development methodologies.</li><li>Knowledge of software testing methodologies.</li><li>Understanding of object-oriented programming principles.</li><li>Understanding of networking fundamentals including IP addressing, ports, sockets, and network layers.</li><li>Familiarity with data serialization formats, such as JSON, XML, and Protobuf.</li><li>Some experience with APIs and client/server architecture is beneficial.</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: October 28, 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 $46,800.00 - $84,600.00 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-Descrimination 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 Intern

Description Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets. The Intelligence Production Solutions Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking an experienced Software Engineer Subject Matter Expert (SME) for the Chinook Program. The Chinook Program delivers mission-critical, modern software solutions across our customer's enterprise using Agile, DevSecOps, and cloud-native methodologies. In this role, you will lead design and development efforts for scalable applications and services that power GEOINT production, data services, and mission user interfaces. You will work closely with our customer Product Owners, architects, and cross-functional agile teams to deliver secure, high-performance solutions on classified cloud infrastructure. Position may be performed in the following locations below. Please note Gaithersburg, MD is the program's primary work location.<ul><li>Gaithersburg, MD</li><li>Alexandria, VA</li><li>Chantilly, VA</li><li>Aurora, CO</li><li>St. Louis, MO</li><li>Tucson, AZ </li></ul>Clearance Level Required: Must have a Top Secret with SCI eligibility and able to obtain a Polygraph. Primary Responsibilities:<ul><li>Serve as the lead software engineer and technical advisor for mission applications under the Chinook program.</li><li>Design, build, and maintain enterprise-grade microservices and APIs that support GEOINT data workflows.</li><li>Lead agile development sprints, provide guidance on architectural decisions, and enforce DevSecOps best practices.</li><li>Build and optimize containerized applications for deployment in classified AWS (C2S/GovCloud) or IC ITE environments.</li><li>Collaborate with customer stakeholders, analysts, and development teams to translate mission needs into software solutions.</li><li>Ensure solutions comply with customer and IC-wide cybersecurity, data governance, and open standards (OGC, NSG, etc.).</li><li>Mentor junior engineers, provide code reviews, and contribute to technical roadmap and documentation.</li></ul>Basic Qualifications:<ul><li> US citizenship is required per contract. </li><li>Bachelor's degree in Computer Science, Software Engineering, or related field and 12-15 years of prior relevant experience or Master's with 10-13 years of prior relevant experience.</li><li>Proficient with the following technologies:<ul><li>Web: HTML, CSS, JSON, Ajax, and REST APIs</li><li>Object-oriented Programming: Python, Java, and JavaScript</li><li>Advanced Programming: Go</li><li>Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte.</li><li>Cloud Development: AWS, Azure, or similar cloud platforms</li><li>Relational Database: MySQL, PostgreSQL, or SQL Server</li><li>Operating System: Windows, Linux</li><li>Version Control System: Git</li></ul></li><li>Proficiency with AWS (C2S/GovCloud) and Infrastructure-as-Code (Terraform, CloudFormation).</li><li>Established experience building and deploying containerized services (Docker/Kubernetes).</li><li>Solid understanding of DevSecOps tools: GitLab CI/CD, Jenkins, SonarQube, Nexus, Keycloak, Vault.</li><li>In depth knowledge of Agile/Scrum practices and tools (JIRA, Confluence)</li><li>Solid understanding of customer specific data types and standards, such as OGC WMS/WFS, NSG, and GEOINT workflows.</li></ul>Preferred Qualifications:<ul><li>Frontend Web Development: UI/UX</li><li>NoSQL Database: OpenSearch/Elasticsearch.</li><li>Cloud Exposure:<ul><li>Multi-cloud architectures: AWS, IBM, Google, Azure, and Oracle.</li><li>Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS.</li></ul></li><li>Knowledge of Customer's GEOINT Functional Requirements, or related IC systems.</li><li>Advanced certifications such as AWS Certified Developer or Solutions Architect, CISSP, SAFe Agile or similar.</li></ul>#Chinook Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for how it's always been done." Original Posting: October 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 $126,100.00 - $227,950.00 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-Descrimination 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 SME

Description Leidos has an exciting opportunity for a 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 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. 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 Original Posting: March 27, 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 $85,150.00 - $153,925.00 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-Descrimination 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 is looking for a Software Engineer to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a nationally significant and fast-paced cryptographic key management program. Program execution follows DEVOPS best practices and employs robust development, test, and production environments. Additionally, the program is using Behavior Driven Development (BDD) and test automation tools alongside a full suite of team collaboration tools. Leidos is the prime contractor providing system engineering, development, test, integration, and operational support. This new program is focused on injecting new technology and adding advanced capabilities over the coming three years while continuing to support an on-going mission and operational system. Job Summary The Software Engineer will perform software development activities as a member of an agile development team. You must have an active/current TS/SCI Polygraph up front (this is firm). The development here includes the full range of turning agile stories into implementable concepts, through development, testing, and deployment of the new capabilities in this complex system. Following the BDD pattern, our 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 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 program increment planning and 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 with the use of Computer Aided Software Engineering (CASE) tools and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. The individual will provide software process management and control throughout the coding portion of the software development process. Additionally, the individual will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. The individual will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench. Basic Qualifications <ul><li>Bachelor's degree and four (4) to eight (8) years of prior relevant development experience or master's with two (2) to six (6) years of prior relevant development experience.</li><li>Additional experience may be substituted for a Degree.</li><li>Must have demonstrated experience with Java.</li><li>Experience or familiarity with multiple the following: Java/JEE, Python, C/C++, SQL, SOAP, WSDL, WADL, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, Jenkins on a Windows platforms.</li><li>Experience with User Interface development, knowledge of databases and structures, and/or experience working with XHTML, HTML, XML, XSLT</li><li>Experience developing on Windows, and/or Linux operating systems</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> Security Clearance requirement: <ul><li>Candidates must possess an active TS/SCI with Polygraph to be considered for this role. </li></ul> Preferred Qualifications <ul><li>Experience with the following: JEE, SQL, application servers (Tomcat, WebLogic, JBoss), scripting.</li><li>Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.</li><li>Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, TDD, Refactoring, and ATDD.</li><li>Experience with FITNesse, Mockito, Cucumber, Unified Functional Tester (UFT), Selenium</li><li>Experience with Behavior Driven Development (BDD).</li><li>Secure Software development (i.e., Layer 7 Policy)</li><li>Experience with the Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an agile team.</li></ul>careers.leidos.com/CONMD CSSKEY CONMD abundance Original Posting: March 17, 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 $85,150.00 - $153,925.00 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-Descrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos has an exciting opportunity for a Software Engineer! *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 Original Posting: March 28, 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 $67,600.00 - $122,200.00 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-Descrimination 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 Summary The Software Engineer will perform software development activities as a member of an agile development team. You must have an active/current TS/SCI Polygraph up front (this is firm). The development here includes:<ul><li>Full range of turning agile stories into implementable concepts, through development, testing, and deployment of the new capabilities in this complex system.</li><li>Following the BDD pattern, our 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).</li><li>Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI and special purpose device programming opportunities are available. </li><li>Analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques with the use of Computer Aided Software Engineering (CASE) tools and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable.</li><li>Provide software process management and control throughout the coding portion of the software development process. Additionally, the individual will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. The individual will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench.</li></ul> Basic Qualifications <ul><li>Bachelor's degree and four (4) to eight (8) years of prior relevant development experience or master's with two (2) to six (6) years of prior relevant development experience.</li><li>Additional experience may be substituted for a Degree.</li><li>Must have demonstrated experience with Java.</li><li>Experience or familiarity with multiple the following: Java/JEE, Python, C/C++, SQL, SOAP, WSDL, WADL, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, Jenkins on a Windows platforms.</li><li>Experience with User Interface development, knowledge of databases and structures, and/or experience working with XHTML, HTML, XML, XSLT</li><li>Experience developing on Windows, and/or Linux operating systems</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> Security Clearance requirement: <ul><li>Candidates must possess an active TS/SCI with Polygraph up frontto be considered for this role. This is firm.</li></ul> Preferred Qualifications <ul><li>Experience with the following: JEE, SQL, application servers (Tomcat, WebLogic, JBoss), scripting.</li><li>Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.</li><li>Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, TDD, Refactoring, and ATDD.</li><li>Experience with FITNesse, Mockito, Cucumber, Unified Functional Tester (UFT), Selenium</li><li>Experience with Behavior Driven Development (BDD).</li><li>Secure Software development (i.e., Layer 7 Policy)</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 abundance Original Posting: May 27, 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 $85,150.00 - $153,925.00 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-Descrimination 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 talented entry level Software Engineer for work in support of our Security Enterprise Solutions. As a Software Engineer on our diverse and collaborative team, you will work alongside our expert Scientists and Engineers, contributing to Leidos products with global impact on security detection. This isn't your run-of-the-mill software development - you'll be honing your engineering skills with embedded products, real-time programming, and object-oriented design, all with the support of a management team focused on your professional growth and advancement. Working under the mentorship of more experienced engineers in a diverse team. Your primary responsibility will be to develop, modify and troubleshoot multi-tiered distributed applications and systems. The duties and responsibilities may change from time to time without notice and include but are not limited to the duties described below. Primary Responsibilities : <ul><li>Design, build, and maintain efficient, reusable, and reliable C++ code using good OOP/OOAD techniques for our systems.</li><li>Optimize, identify bottlenecks, bugs, and devise solutions to problems including:<ul><li>Maintain code quality, revision control and organization</li><li>Analyze customer issues and identify and implement solutions.</li><li>Participate and contribute within a defined software development process.</li></ul></li><li>Occasional travel to customer sites may be required. Travel may be domestic and international.</li></ul>Basic Qualifications: Software Engineering candidate shall participate in the design, development, testing, troubleshooting, and debugging of software programs for enhancements and new software-intensive systems and products. Applies appropriate principles, standards, processes, procedures, and tools throughout the software development life cycle. Duties include software requirements analysis, analysis of hardware compatibility, development of software products and tools used for design, development and maintenance of infrastructure, and platforms. Typical Education & Experience:<ul><li>Develops solutions to complex technical issues and problems that impact multiple area or disciplines.</li><li>Regularly employs ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives.</li><li>Communicates with internal team members across multiple areas and client team members.</li><li>Bachelor or Master degree in Computer or Software Engineering or with less than 2 years of relevant experience.</li><li>Working knowledge of Python and bash scripting, HTML, PostgreSQL, C++ and OOP/OOAD</li><li>Understanding of data structures, algorithms, and software design solutions.</li><li>Understanding of memory management, multicore processors, and distributed systems design.</li></ul>Preferred Qualifications:<ul><li>Experience with BuildBot and automated build pipelines with MS Azure.</li><li>Experience with DICOS.</li><li>Experience with npm.</li><li>Experience with http/https communication.</li><li>Interfacing with hardware and real-time debugging.</li><li>Working knowledge of networking solutions.</li><li>Experience with Scrum/Agile development methodologies.</li></ul>At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, what's next?" before the dust settles on what's now." If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in. Original Posting: October 31, 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 $55,250.00 - $99,875.00 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-Descrimination 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, C++

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 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 an enterprise AFEM (Automated Facial Extraction and Matching) capability. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. We offer a flexible environment where work is conducted both remotely and on-site at our client location in Bethesda, MD. The percentage of remote work will vary based on client requirements/deliverables. You will work closely with the team on the following key tasks :<ul><li>Work in a DevSecOps environment to ensure availability of the biometric system and data to end users.</li><li>Oversee the integration, maintenance, and monitoring of software to ensure constant availability of all technical resources, and provide technical direction to IT support staff.</li><li>Develops, maintains, and enhances complex and diverse software systems ( e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements</li><li>Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of COTS/GOTS in place of new development, and requirements analysis and synthesis from system level to individual software components</li><li>Designs, implements, and integrates software applications or performs software engineering tasks to include making enhancements to the existing system and operational support to diagnose and/or correct any system abnormalities</li><li>Utilizes software engineering and design methodologies appropriate to the development, integration, and production environment</li><li>Participate in test, staging and production deployment.</li><li>Assist in the maintenance of services and procedures for a big data pipeline which includes Kafka, Elasticsearch, and several in-house written python/java micro services running on Kubernetes</li><li>Develop and integrate Docker containers to be deployed to Kubernetes</li><li>Monitor automated system integration tests to identify failed modules and components</li><li>Manage individual project priorities, deliverables, and deadlines.</li><li>Update project documentation for each release</li><li>Provide tasking and time estimates for each Program Increment</li><li>Foster an environment of collaboration with the different team members with 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>Typically requires Bachelor's Degree and 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience. Additional years of experience maybe substituted for a degree.</li><li>Must possess an Active Top Secret/SCI clearance and ability to obtain and maintain Poly</li><li>Experience with containerization, especially with Docker</li><li>Experience with DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or Jenkins</li><li>Experience with Python</li><li>Experience with API Development</li><li>Experience in Extraction, Transformation, and Load (ETL)</li><li>Experience enterprise search capabilities (such as Elasticsearch) to solve Big Data challenges</li><li>Experience with PostgreSQL and SQL server</li><li>Experience with Agile practices</li><li>Hands-on development and/or scripting experience, especially Python and Bash in Linux environment</li><li>Proficiency with Linux server management and developing tools optimized for a Linux or cross-platform operation environment</li><li>Familiarity and experience creating, deploying, and maintaining service worker and manager nodes/pods in a Kubernetes environment (kubectl)</li><li>Experience leveraging CUDA, PyTorch, or other services to deploy containerized processing on GPUs</li><li>Understanding of application-level security.</li><li>Knowledge of logging and log analysis systems</li><li>Proficiency in C# programming, with the ability to understand, maintain, and contribute to applications built on these languages and their respective frameworks.</li><li>Experience with creating and managing microservices.</li><li>Strong verbal and written communication skills</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>Familiarity with biometric systems and biometric SDKs.</li><li>Familiarity with Caliburn.Micro XAML framework.</li><li>Understanding or Experience with ANSI/NIST ITL and DoD Electronic Biometric Transmission Specification (EBTS).</li><li>Active Security+ certification</li><li>Active CE certification</li><li>Ability to obtain Privileged User Account (PUA) certification by the Government</li><li>GraphQL Service</li><li>Apache NiFi</li><li>Experience with systems at scale</li><li>Kafka or other message passing systems</li><li>Experience with AWS cloud-based architecture, services (Lambda, etc.), and software development</li><li>Experience with Artifactory</li><li>Experience of a production/enterprise system</li><li>Appian low-code application development platform</li><li>Experience with any of the following technologies:<ul><li>GPU-based Kubernetes</li><li>SALT for deployment automation</li><li>Elasticsearch, Kibana, and Logstash</li></ul></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: August 25, 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 $85,150.00 - $153,925.00 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-Descrimination 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 Leidos is seeking various levels of Software Engineers in Gaithersburg, MD for its Air Traffic Management projects to include Federal Aviation Administration and international clients. Successful candidates will be responsible with all phases of software development ranging from: design and coding to integrating and reviewing software components, from testing and bug fixing to documentation, building and presenting demos to stakeholders. If this sounds like the kind of environment where you can thrive, keep reading! Areas of Responsibility:<ul><li>Analyze system requirements and create detailed software requirements specifications for implementation in various software development phases</li><li>Developing software in Java/J2EE in an agile environment</li><li>Conduct testing and validation of software components, including unit testing and integration testing, to ensure reliability and functionality</li><li>Participate in design reviews, code reviews, and other team activities to provide technical expertise and ensure alignment with project goals</li><li>Stay current with industry trends and advancements, contributing insights and recommendations for continuous improvement</li><li>Support troubleshooting efforts and provide technical assistance to resolve software-related issues during development and post-production phases</li><li>Document software designs, specifications, and test procedures to maintain comprehensive records and facilitate knowledge sharing within the team</li><li>Collaborate with multidisciplinary engineering teams to implement software solutions that meet system specifications and performance criteria</li></ul>Required Qualifications:<ul><li>Bachelor's degree or Masters degree in Computer Engineering/Computer Science or Electronics & Electrical /Telecommunications Engineering with a strong software background.</li><li>Ability to obtain and maintain a public trust security clearance</li><li>U.S. Citizen</li><li>Object Oriented Programming</li><li>C and C++ programming languages</li><li>Real-Time Programming on High Availability Systems</li><li>Multi-threaded programming</li><li>Low Level Operating Systems (OS) Customization (RedHat), Hypervisors, and VMs</li><li>CAS / Hardware Integration</li><li>Low level communication software (TCP-IP, UDP, SCTP)</li><li>System Maintenance Concepts </li></ul>Preferred Qualifications:<ul><li>Ada programming language</li><li>Knowledge of AI/ML tools and concepts in software development</li><li>Experience with the Federal Aviation Administration's En-Route Automation Modernization (ERAM)</li><li>Knowledge of XML</li></ul>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 12, 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 $85,150.00 - $153,925.00 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.

Software Engineers (various levels)

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 Sensor Innovation Portfolio is seeking a Software Integration Branch Manager to join our team in Huntsville, AL. Primary responsibility is team leadership serving as a CAM (Control Account Manager) for the overall software and secondary responsibility is providing individual software development contributions. This role will require extensive and frequent, external communication with the customer, as well as internally with Senior Leadership. 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<ul><li>Ensure compliance to internal software quality policy, processes, and procedures as well as support corporate audits</li><li>Closely work with a team of sub-system software leads to coordinating software development and integration tasking priorities to ensure system success</li><li>Lead the overall software development for multiple HIL (Hardware Integration Labs) and SILs (Software Integration Labs) that will be used internally and by the customer to develop and test software payloads before deploying the sensor system</li><li>Provide weekly status updates to internal leadership and customer leadership</li><li>Lead weekly software tag up discussions with the integrated software team</li><li>Manage and oversee the development of system software documentation and overall software deployment strategy to dedicated hardware</li><li>Participate and contribute to on-going software design discussions</li></ul>Basic Qualifications <ul><li>Bachelor degree from an accredited university plus 12-15 years of relevant experience or Master's degree from an accredited university plus 10-13 years of relevant experience.</li></ul><ul><li>Basic understanding of radar systems and/or integrated sensor systems</li><li>Experience leading and conducting technical design reviews and presenting technical reports and materials to customer teams</li><li>Strong knowledge of C++ and object-oriented design principles</li><li>Strong software engineering background with experience in defining and enforcing engineering best practices, including:<ul><li>configuration management</li><li>coding standards</li><li>code reviews,</li><li>testability</li><li>design for reusability</li></ul></li><li>Experience developing, implementing, and maintaining APIs and network ICDs for custom hardware electronics</li><li>Demonstrated experience working with a team of talented technical employees to develop and integrate software solutions into dedicated computer hardware</li><li>Experience supporting system integration and test activities to support verification of system level requirements</li><li>Must be a US citizen, possess a DoD Secret clearance and have the ability to obtain and maintain a Top-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>If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting: September 29, 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 $126,100.00 - $227,950.00 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.

Software Integration Branch Manager

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.

Leidos Jobs

Browse Leidos Jobs

JOB SEEKERS

EMPLOYERS

COMMUNITY PARTNERS

ABOUT

RESOURCES