• Power Engineering Engineer II

    Mission Support and Test Services (Mercury, NV)
    …and substation construction, maintenance, and operational activities for the Nevada National Security Site (NNSS). The Engineer II reports directly to the ... Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ...Nuclear Inc. **Responsiblities** MSTS is seeking to hire an Engineer II for the Power Engineering department. This role… more
    Mission Support and Test Services (11/25/25)
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  • Power Engineering Senior Engineer

    Mission Support and Test Services (Mercury, NV)
    …and substation construction, maintenance, and operational activities for the Nevada National Security Site (NNSS). The Senior Power Engineer will report directly ... Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ...Inc. **Responsiblities** MSTS is seeking to hire a Senior Engineer for the Power Engineering department. This role will… more
    Mission Support and Test Services (11/25/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Rockwall, TX)
    …connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr. Spec, Systems Engineer Job Code: 32393 Job Location: ... Job Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer will be responsible for supporting the requirements, design, development, test,… more
    L3Harris (01/07/26)
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  • Junior Software QA Engineer

    KBR (El Segundo, CA)
    …Solid understanding of test development and test execution. + Working knowledge of performance testing , security testing , and usability testing . + ... QA Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our… more
    KBR (01/04/26)
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  • Principal/ Senior Principal DevOps Platform…

    Northrop Grumman (Jessup, MD)
    security clearance. **Preferred Qualifications for a Principal DevOps Engineer :** + Willingness to learn transformational computing technology concepts and ... security clearance. **Preferred Qualifications for Senior Principal DevOps Engineer :** + Willingness to learn transformational computing technology concepts and… more
    Northrop Grumman (12/05/25)
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  • Software Engineer (Remote)

    Koniag Government Services (Chantilly, VA)
    …Inc. (KSI), a Koniag Government Service Company, is seeking a skilled Software Engineer to support our government customer. This position requires the candidate to ... paid holidays, three weeks paid time off, and more. The Software Engineer will formulate and define specifications for complex operating software programming… more
    Koniag Government Services (12/19/25)
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  • Principal Research Engineer - Grid Modeling

    Pacific Northwest National Laboratory (Portland, OR)
    …to classified matter in accordance with 10 CFR 710, Appendix B. + Drug Testing : All Security Clearance positions are Testing Designated Positions, which ... and dedicated budget. Our Science & Technology directorates include National Security , Earth and Biological Sciences, Physical and Computational Sciences, and Energy… more
    Pacific Northwest National Laboratory (01/14/26)
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  • Senior Machine Learning Engineer -AI…

    Pacific Northwest National Laboratory (Seattle, WA)
    …to classified matter in accordance with 10 CFR 710, Appendix B. + Drug Testing : All Security Clearance positions are Testing Designated Positions, which ... and dedicated budget. Our Science & Technology directorates include National Security , Earth and Biological Sciences, Physical and Computational Sciences, and Energy… more
    Pacific Northwest National Laboratory (01/13/26)
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  • Systems Engineer TS/SCI Poly

    Parsons Corporation (Centreville, VA)
    …career to the next level? Parsons is seeking a highly skilled and motivated **Systems Engineer ** to join our dynamic team! In this role, you will be instrumental in ... of cutting-edge technologies. **What You'll Be Doing:** As a Systems Engineer at Parsons, your responsibilities will include: + **Operations and Maintenance:**… more
    Parsons Corporation (12/19/25)
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  • Principal/Senior Principal Engineer

    Northrop Grumman (Mcclellan, CA)
    testing process. + Review software test plans, procedures, and reports, witness testing as the Cognizant Engineer + Participate in technical exchange ... are looking for you to join our team as a **Principal/Senior Principal Software Engineer ** based in McClellan, CA. **What You'll Get To Do:** + Synthesize software… more
    Northrop Grumman (01/15/26)
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