• Senior Cloud Data and AI Engineer , Google…

    Google (Reston, VA)
    …+ Experience with database and AI integrations. + Must possess an active Top Secret /SCI security clearance with current polygraph. **Preferred ... Senior Cloud Data and AI Engineer , Google Public Sector _corporate_fare_ Google _place_ Reston,...deploying, and managing machine learning models, including experience writing software in one or more languages, such as Java,… more
    Google (11/14/25)
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  • Modeling and Simulation Engineer Senior I

    KBR (Reston, VA)
    …basis + Proficiency in C++, Python, or other programming language + Active Top - Secret clearance with ability to obtain Sensitive Compartmented Information ... Title: Modeling and Simulation Engineer Senior I Belong. Connect. Grow. with KBR!...or supporting decisions under uncertainty. + Support M&S and software development efforts. + Support the analytic team in… more
    KBR (11/13/25)
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  • Solution Train Engineer

    SAIC (Chantilly, VA)
    …or more experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret /SCI clearance with Polygraph. + Proven experience with Agile ... **Description** SAIC is seeking a **Solution Train Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program,… more
    SAIC (11/06/25)
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  • Mechanical Engineer

    Leidos (Chantilly, VA)
    …architectural, and structural teams to deliver integrated solutions. **Basic Qualifications** + **Current Top Secret SCI security clearance and the ability ... **Description** **Mechanical Engineer - Mission-Critical Facilities Design** Leidos is seeking...static and dynamic analysis techniques + Proficiency in CAD software (eg, SolidWorks, AutoCAD) + Understanding of design specifications,… more
    Leidos (11/05/25)
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  • Sr Engineer - Federal

    Lumen (Herndon, VA)
    …division multiplexing + **Candidate must be a US Citizen with an active TOP SECRET /SCI Level clearance ** Preferred Qualifications + Bachelor's degree ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...world and shape the future. **The Role** The Senior Engineer will participate in multiple team environments and provide… more
    Lumen (10/28/25)
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  • GEOINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …to strategic priorities and performance standards. Qualifications & Physical Requirements + Active Top Secret /SCI clearance with Poly. + Bachelors and five ... ensuring you receive the utmost employee care. Responsibilities As the GEOINT Systems Engineer you will interact daily with senior government and Program staff to… more
    Sciolex Corporation (10/09/25)
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  • CCSS Principal Systems Engineer - WHCA…

    RTX Corporation (Springfield, VA)
    …US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS /SCI - Current At Raytheon, the foundation ... Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated individual...education option. + Active and transferable US government issued TS /SCI security clearance is required prior to… more
    RTX Corporation (11/13/25)
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  • Sr Field Service Engineer

    Scientific Research Corporation (Norfolk, VA)
    …REQUIRE US CITIZENSHIP AS WELL AS, A US GOVERNMENT SECURITY CLEARANCE AT THE SECRET LEVEL WITH TOP SECRET / SCI ELIGIBILITY Travel Requirements + 10-15% ... Submarine Communication Systems and equipment to include hardware, cabling, and software + Providing support during Pre-Installation Test and Checkout (PITCO) and… more
    Scientific Research Corporation (11/12/25)
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  • Test Engineer

    Koniag Government Services (Vienna, VA)
    Kadiak, LLC, a Koniag Government Services company, is seeking a Test Engineer with a TS /SCI security clearance to support Kadiak and our government customer ... three weeks paid time off, and more. The Test Engineer will analyze business requirement to develop and execute...complex software to satisfy design objectives. + TS /SCI security clearance required **Education:** + Bachelor's… more
    Koniag Government Services (10/09/25)
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  • Systems Engineer , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Systems Engineer , Senior** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Arlington **Position ID:** J1025-1613 ... CGI Federal has an exciting opportunity for a Systems Engineer within our Intel sector advancing the national security...and/or 5 to 8 years of experience . Security Clearance : TS /SCI required with the ability to… more
    CGI Technologies and Solutions, Inc. (10/21/25)
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