• IT Infrastructure & Network Support…

    Nightwing (Sterling, VA)
    …technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and ... and commercial markets. Nightwing is seeking an IT Infrastructure & Network Support Engineer to join a dynamic, fast-paced program supporting a wide range of… more
    Nightwing (10/30/25)
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  • IT Infrastructure & Network Support…

    Nightwing (Sterling, VA)
    …technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and ... and commercial markets. Nightwing is seeking an IT Infrastructure & Network Support Engineer to join a dynamic, fast-paced program supporting a wide range of… more
    Nightwing (10/29/25)
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  • Network Firewall Engineer

    CACI International (Sterling, VA)
    Network Firewall Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... and common network architectures + Experience with network security and software -defined networking (SDN) concepts + Hands-on experience with network security… more
    CACI International (10/25/25)
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  • Network Testing Lab Infrastructure Engineer

    CACI International (Sterling, VA)
    Network Testing Lab Infrastructure Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... test setups, and equipment inventory. + Support the installation and updates of software and firmware on lab devices. + Assist in the preparation of lab… more
    CACI International (10/24/25)
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  • CAD Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    **Description** **SAIC** is seeking a **CAD Modeling and Simulation Engineer in Chantilly, VA** to support a government customer. **The successful candidate will:** ... and simulation for aerospace or space systems. + Active Top Secret/SCI w/Poly Clearance . + Proficiency with CAD tools (eg, SolidWorks, Creo, CATIA, NX, or similar)… more
    SAIC (10/24/25)
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  • Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Modeling and Simulation Engineer to support a customer in Chantilly, VA. The successful candidate will: + Develop and maintain ... simulation for aerospace or space systems. + Active Top Secret/SCI w/Poly Clearance . + Strong understanding of sensor phenomenology --such as optical, infrared, or… more
    SAIC (10/22/25)
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  • Machine Learning Modeling and Simulation…

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Machine Learning Modeling and Simulation Engineer in Chantilly, VA. The successful candidate will: + Develop and maintain ... simulation for aerospace or space systems. + Active Top Secret/SCI w/Poly Clearance . + Strong understanding of sensor phenomenology --such as optical, infrared, or… more
    SAIC (10/22/25)
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  • Software Solution Architect

    Lockheed Martin (Manassas, VA)
    …product innovation\. **The Work** Lockheed Martin Rotary and Mission Systems is seeking a Software Engineer Associate in Manassas, VA\. In this role you will ... software builds\. * Hands‑on expertise as a software engineer working with large‑scale codebases in...US Citizen; this position will require a government security clearance \. This position is located at a facility that… more
    Lockheed Martin (11/07/25)
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  • Junior Microsoft SQL Server Engineer

    General Dynamics Information Technology (Bluemont, VA)
    **Req ID:** RQ213123 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job ... + Strong in performing technical troubleshooting to resolve hardware and software issues, using a fundamental understanding of TCP/IP networking, DNS/DHCP services,… more
    General Dynamics Information Technology (01/17/26)
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  • IT Endpoint Engineer

    Guidehouse (Mclean, VA)
    **Job Family** **:** Systems Engineering **Travel Required** **:** Up to 10% ** Clearance Required** **:** None **What You Will Do** **:** + Managing endpoint devices ... maintained at a minimum patch level to address vulnerabilities, software updates, etc. + Deploy applications to endpoint devices...the service** + Ability to obtain a National Security Clearance or a US Federal Government Public Trust +… more
    Guidehouse (01/16/26)
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