• SECRET Senior Java

    Insight Global (Herndon, VA)
    …as code, and automated testing. Basic Qualifications: * 3-9 (Journeyman Level) or 9+ ( Senior Level) years of experience in software development with a Bachelor's ... Job Description We are seeking a Software Engineer with a strong foundation in ...in Computer Science or related field. * Proficiency in Java and modern frameworks (eg, Spring Boot). * Strong… more
    Insight Global (01/08/26)
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  • SAP NS2 Sr. Java Developer - Active TS SCI…

    SAP (Herndon, VA)
    …national security and critical infrastructure customers. We are seeking a highly experienced Senior Java Developer to support, maintain, and enhance a suite of ... manager's approval to transfer. SAP is the global market leader for business software and related services. SAP National Security Services (SAPNS2) is an independent… more
    SAP (11/13/25)
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  • Senior Software Engineer

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented ** Senior ** ** Software Engineer** to join our team! In this role you ... of features + Work within a team to develop software that supports Point of Entry sites worldwide +...availability **What Required Skills You'll Bring:** + Active Top Secret /SCI clearance + 10+ years of combined education/experience in… more
    Parsons Corporation (12/02/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Developer** to join our team in the **DC, Maryland, and Virginia (DMV) area** . In ... 10+ years of related experience + Knowledge of various software programming languages, ie Python, Java , C++,...ITIL4 principles **Clearance Requirements:** + Must have a current/active Secret clearance with the ability to obtain and maintain… more
    ManTech (11/21/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Developer** to join our team in **DC, Maryland, and Virginia (DMV) area** . In this ... systems software development + Knowledge of various software programming languages, ie Python, Java , C++,...ITIL4 principles **Clearance Requirements:** + Must have a current/active Secret clearance with the ability to obtain and maintain… more
    ManTech (11/18/25)
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  • Sr. Principal Cyber Software Engineer

    Northrop Grumman (Chantilly, VA)
    …will be located at a Mission Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be responsible for ... work of your career. **Northrop Grumman Mission Systems** is seeking an experienced ** Senior Principal Cyber Software Engineer** to join our team supporting a… more
    Northrop Grumman (10/21/25)
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  • Senior Full Stack Developer - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software ... Engineering **Skills:** Software Development Life Cycle (SDLC), Software Updates,Spring Boot,Testing **Experience:** 5 + years of related experience **US… more
    General Dynamics Information Technology (11/21/25)
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  • Senior Full Stack Developer

    ManTech (Ashburn, VA)
    **MANTECH** seeks a motivated, career and customer oriented ** Senior Full Stack Developer** SME to join our team in **Ashburn, Virginia** . This position is onsite ... and implement scalable, high-performance and reliable applications and microservices using Java (including frameworks like Spring Boot, Jakarta etc.) for the backend… more
    ManTech (11/03/25)
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  • Software Test Analyst IV

    General Atomics (Chantilly, VA)
    …and that's where you come in! GA-Intelligence is looking for a highly motivated Senior Software Development Engineer in Test to bring automated testing expertise ... within the testing department. + With limited direction, this position conducts software inspection, testing, verification, and validation. + Reviews software more
    General Atomics (12/11/25)
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  • Software Architect SME - TS/SCI…

    General Dynamics Information Technology (Herndon, VA)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software ... your opportunity to make a personal impact as a Software Architect SME supporting customer activities. GDIT is your...environment within AWS. + Communicate with team leads and senior leadership and rapidly adjust direction in support of… more
    General Dynamics Information Technology (01/05/26)
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  • Systems Engineer - Senior

    Parsons Corporation (Centreville, VA)
    …possible. **Job Description:** Our Special Programs and Systems team is hiring a Senior Systems Engineer with a passion for mission excellence in our High ... field such as Computer Science, Computer Engineering, Network Engineering, Software Engineering, or Electrical Engineering + Must possess a...a US Citizen + Must possess and maintain Top Secret SCI clearance with CI poly + Must have… more
    Parsons Corporation (12/06/25)
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  • Software Developer V

    General Atomics (Chantilly, VA)
    …want to do more, and that's where you come in! We are seeking a Senior Software Engineer to design, develop, and maintain JVM-based applications for ingesting, ... **Clearance Required?:** Desired **Pay Range High:** 208,505 **Recruitment Posting Title:** Senior Software Engineer - Streaming Data Applications **Job… more
    General Atomics (12/11/25)
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  • Software Engineer Apps II

    AeroVironment (Centreville, VA)
    …and other stakeholders * Creates software design documentation according to software process requirements and guidance from Senior Engineers * Delivers work ... **Worker Type** Regular **Job Description** As a Software Engineer II (Applications) one works with and...full stack development including the use of Golang, Rust, Java , and/or Python as well as front-end web frameworks… more
    AeroVironment (11/21/25)
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  • Full Stack Developer, Team Lead

    Leidos (Ashburn, VA)
    **Description** The National Security Sector within Leidos is seeking a Full Stack Software Developer Team Lead, with strong systems, software , cloud, and Agile ... and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design,… more
    Leidos (12/10/25)
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  • Sr. Specialist, Integration/Test Engineer

    L3Harris (Herndon, VA)
    …Herndon, VA (On-site) Job Description: We are seeking a highly skilled and experienced Senior Integration and Test Engineer with a strong background in Software ... and execute automated test scripts using programming languages like Python, C#, and Java along with relevant test frameworks. + Manage and maintain Linux systems,… more
    L3Harris (11/21/25)
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  • Lead, Systems Engineering - Modeling & Simulation

    L3Harris (Herndon, VA)
    …of importance to the function or business area. May conduct briefings with senior leaders. + Coordinate MS&A engineering efforts to integrate system performance and ... models, simulations, and analysis products. Determine requirements, develop simulation software , troubleshoot existing simulation capabilities, and create software more
    L3Harris (12/05/25)
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  • Systems Engineer (Aoco)

    Noblis (Chantilly, VA)
    …to integrate multiple development teams and government efforts that use software development capabilities and methodologies. + Leverage their experience in ... software integration and software architecture in support...tactical and national capabilities. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) Polygraph. + US Citizenship… more
    Noblis (12/17/25)
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  • SharePoint Engineer (Back End) - TS/SCI

    General Dynamics Information Technology (Sterling, VA)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software ... of responsibility + Communicate with other program personnel, government overseers, and senior executives WHAT YOU'LL NEED: + Active TS/SCI clearance and ability to… more
    General Dynamics Information Technology (01/08/26)
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