• Senior Software Engineer (SIGINT…

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a highly skilled ** Senior Software Engineer** to support rapid-response research and development (R&D) in various laboratory ... involves leveraging expertise in machine learning, algorithm design, and software development to create tools, algorithms, and prototype capabilities...considered in lieu of a degree. + An active TS / SCI with Poly security clearance. + At… more
    Leidos (06/11/25)
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  • Senior Software Engineer

    KBR (Chantilly, VA)
    Title: Senior Software Engineer KBR is seeking a Senior Software Engineer to join our team. The candidate will leverage their extensive software ... junior engineers + Perform other duties as assigned Minimum Qualifications: + Active TS // SCI with CI Polygraph + Bachelor's degree in computer science,… more
    KBR (06/03/25)
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  • Senior Software Engineer

    KBR (Chantilly, VA)
    Title: Senior Software Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... the future of space defense. KBR is seeking a Senior Software Engineer to join our team....Perform other duties as assigned Minimum Qualifications: + Active TS // SCI with Polygraph + Bachelor's degree in… more
    KBR (04/23/25)
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  • Senior Software Developer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented ** Senior Software Engineer** to join our team in **Chantilly, VA.** **Responsibilities include but are ... success. Be more than an amazing developer. As the Senior Software Engineer, you will own the...daily basis **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph **Physical Requirements:** + The person… more
    ManTech (06/20/25)
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  • TS / SCI Senior…

    Insight Global (Lee County, VA)
    Job Description As a Senior Software Integration Architect you will go on-site 2-3 days a week to deploy code, diagnose issues, and architect solutions in ... and utilizing skills in areas such as mission system software , JavaScript, .NET Core on Linux, containerization, enterprise single...and standard builds, source control and bug tracking Active TS / SCI clearance with willingness to obtain a… more
    Insight Global (06/25/25)
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  • Senior Software Developer

    CACI International (Mclean, VA)
    Senior Software Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... CACI is seeking a highly motivated and independent SME Software Developer to take sole responsibility for maintaining and...integration (with both new and legacy systems) Required Qualifications: TS / SCI w/Poly clearance * Bachelor's degree and… more
    CACI International (06/14/25)
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  • Senior Software Developer

    Leidos (Lorton, VA)
    …ahead!** The National Security Sector (NSS) has a new and exciting opportunity for a Senior Software Developer in our Cyber & Analytics Business Area (CABA). Our ... Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security...does Leidos need from me?** + Current and active TS / SCI security clearance, and able to pass… more
    Leidos (06/08/25)
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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 ... you will develop, create, and modify general computer applications software or specialized utility programs. You will analyze user...clearance with the ability to obtain and maintain a TS / SCI . + The ability to obtain and… more
    ManTech (05/23/25)
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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 ... policies **Minimum Qualifications:** + Bachelor's Degree in Computer Science, Software Engineering, Information Systems or related field...clearance with the ability to obtain and maintain a TS / SCI . + The ability to obtain and… more
    ManTech (05/20/25)
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  • Backend Senior Software Engineer

    Parsons Corporation (Centreville, VA)
    …Required Skills You'll Bring:** + Must be a US Citizen and active TS / SCI clearance. + Bachelor degree in software engineering, computer science, or related ... you're looking for. **Job Description:** Parsons is looking for an amazingly talented **Backend Senior Software Engineer** to join our team! In this role you… more
    Parsons Corporation (05/20/25)
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