• Principal/Senior Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …career. Are you interested in defining possible? Northrop Grumman is seeking a Principal Software Engineer /Sr Principal Software Engineer to join our ... customers around the world. In this role, the Principal Software Engineer /Sr Principal Software ...with Hex Editors + Willing to upgrade to a TS / SCI with FSP Northrop Grumman provides a… more
    Northrop Grumman (05/28/25)
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  • Senior Software Engineer (SIGINT…

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a highly skilled **Senior Software Engineer ** to support rapid-response research and development (R&D) in various laboratory ... and prototype capabilities that address emerging intelligence issues. The Software Engineer will work in dynamic lab...considered in lieu of a degree. + An active TS / SCI with Poly security clearance. + At… more
    Leidos (06/11/25)
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  • Junior Software Engineer ( TS

    SMX (Chantilly, VA)
    Junior Software Engineer ( TS / SCI CI Poly) (4405)at SMX(View all jobs) (https://www.smxtech.com/careers/) Chantilly, VA SMX is seeking a **Jr. Software ... and monitor system functioning to ensure specifications. **Required Skills/Experience:** + **Clearance: TS / SCI CI Polygraph** + **On site support Monday - Friday… more
    SMX (06/24/25)
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  • Specialist, Software Engineer DevOps

    L3Harris (Chantilly, VA)
    … failures, etc.). + Promoting DevSecOps as a team culture. Position requires Top Secret / SCI Clearance usually granted to US Citizens. Qualifications: ... in the interest of national security. Job Title: Specialist, Software Engineer DevOps Job Code: 24812 Job...+ Top Secret / SCI with CI Poly… more
    L3Harris (06/13/25)
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  • Software Engineer

    CACI International (Chantilly, VA)
    Software Engineer Job Category: Engineering Time Type:...a US Citizen with the ability to obtain a Top Secret / SCI DoD Security Clearance _Desired:_ ... Continental US * * * **The Opportunity:** As a Software Engineer , you will be part of...UDP, Sockets, ActiveMQ, Data Distribution Service (DDS), Wireshark) + Top Secret / SCI DoD Security Clearance… more
    CACI International (06/12/25)
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  • Senior Full-Stack Software Engineer

    The Boeing Company (Chantilly, VA)
    …for the national intelligence community. The ideal candidate for the Senior Software Engineer position will not only possess exceptional technical expertise ... on candidate eligibility. **Security Clearance** This position requires an active US Top Secret Security Clearance (US Citizenship Required). (A US Security… more
    The Boeing Company (06/27/25)
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  • Senior C++ Software Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ198201 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Dynamics Information Technology has an immediate opening for an on-site C++ Software Engineer /Developer with AWS experience working with a company that is… more
    General Dynamics Information Technology (04/18/25)
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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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  • Software Engineer - SME

    KBR (Chantilly, VA)
    Title: Software Engineer - SME 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 Software Engineer SME to join our team....Perform other duties as assigned Minimum Qualifications: + Active TS // SCI with CI Polygraph + Bachelor's degree… more
    KBR (04/23/25)
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  • Test/ Software Engineer - TS

    CACI International (Sterling, VA)
    Test/ Software Engineer - TS / SCI with Poly Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... * **The Opportunity:** CACI is currently looking for a Software Engineer with automated testing experience to...field * 5+ years of related experience * Active TS / SCI with Polygraph * Experience with AWS… more
    CACI International (06/17/25)
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  • Software Engineer - Mid

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

    Leidos (Chantilly, VA)
    …candidates must be US CITIZENS to be considered for the position.** **Preferred:** + Active Top Secret / SCI with a Polygraph. + Familiarity with one or more ... development of our people. We are seeking a Chief Software Engineer to support the team. The...developers) comprised of smaller, product focused teams. + Active TS / SCI with the ability to obtain a… more
    Leidos (05/06/25)
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  • Software Engineer

    Parsons Corporation (Centreville, VA)
    …related to computer architecture. An advanced degree is preferred at this level. + Active Top Secret Clearance with SCI eligibility + 2+ years of related ... for. **Job Description:** Parsons is seeking an amazingly talented ** Software Engineer ** to join our growing team!...Server, Linux, or Unix **Security Clearance Requirement:** An active Top Secret security clearance is required for… more
    Parsons Corporation (05/13/25)
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  • Cloud Software Engineer , TS

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ189248 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... 10 + years of related experience **US Citizenship Required:** Yes **Job Description:** Software Engineer Sr Advisor We are seeking highly motivated engineers… more
    General Dynamics Information Technology (05/07/25)
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  • Software Engineer - US Citzens…

    The Metamorphosis Group (Chantilly, VA)
    Software Engineer - US Citzens only - TS / SCI /FSP REQUIRED Chantilly, Virginia . Government/Military Apply Now Software Engineer - US Citizens ... REQUIRED US Veterans Preferred On premise at Government facility TS / SCI , Full Scope Poly (must already have...security, operations, testing and other teams to provide system information and technical support. The Contractor team shall create,… more
    The Metamorphosis Group (06/11/25)
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  • Software Engineer - TS

    CACI International (Sterling, VA)
    Software Engineer - TS / SCI Job...are critical to our success. + Culture of sharing information amongst teammates and management team. + Be dedicated to ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel...Opportunity:** Are you ready to apply your expertise in software development to help shape the future of mission-critical… more
    CACI International (06/12/25)
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  • RF Software Engineer

    CACI International (Chantilly, VA)
    …demonstration, and evaluation. **Qualifications:** _Required:_ + Ability to obtain and maintain TOP SECRET SCI security clearance + Bachelor's degree ... RF Software Engineer Job Category: Engineering Time...RF Software Engineer Job Category: Engineering Time Type: Full time...* **The Opportunity:** CACI is currently looking for a Software Engineer to join our team developing… more
    CACI International (05/24/25)
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  • Senior Systems Software Engineer

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    **Overview** SENIOR SYSTEMS SOFTWARE ENGINEER | TIER III (MIELS): Bowhead is seeking Senior Systems Software Engineers to support a customer in Stafford, VA. ... SCI level with Counter Intelligence Polygraph. US Citizenship is a requirement for Top Secret clearance at this location. \#LI-KC1 Applicants may be subject… more
    UIC Government Services and the Bowhead Family of Companies (06/05/25)
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  • Software Engineer SME (Forensic…

    Innovative Management & Technology Services (Manassas, VA)
    …Qualifications: + Active Top - Secret security clearance with eligibility for SCI access + Proven expertise in software development with specialization in ... on-site at top government agencies. Job Title: Software Engineer SME (Forensic Toolkit Lead Developer)...Toolkit Lead Developer) Primary Location: Northern Virginia, VA Clearance: Top - Secret with SCI eligibility Position… more
    Innovative Management & Technology Services (06/28/25)
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  • Software Engineer

    Leidos (Chantilly, VA)
    **Description** **Job Description** We are seeking a skilled Software Engineer to support the design, development, configuration, integration, and maintenance of ... best practices, established coding standards, and documentation requirements. **Basic Qualifications** + TS / SCI w/ Poly Clearance is required + Bachelor's degree… more
    Leidos (06/03/25)
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