• Senior Nuclear Engineer - NDSE

    Mission Support and Test Services (North Las Vegas, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (11/13/25)
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  • Supply Chain Supervisor (Supervisor I)

    Mission Support and Test Services (Mercury, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (12/11/25)
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  • Lieutenant (Supervisor), SPO BRS - Basic Readiness…

    Mission Support and Test Services (Mercury, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (11/13/25)
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  • Senior Technologist (Facility Operations) - CASUAL

    Mission Support and Test Services (Andrews AFB, MD)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... report to the Facility Manager at the Andrews site office within Mission Support and Test Services, LLC (MSTS). Responsibilities + Assist with all… more
    Mission Support and Test Services (11/13/25)
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  • Scientist I/II

    Mission Support and Test Services (North Las Vegas, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (11/27/25)
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  • Mechanical Facility Engineer (Engineer II)

    Mission Support and Test Services (Mercury, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (11/13/25)
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  • Electrical Engineer I/II/Senior - Pulsed Power…

    Mission Support and Test Services (North Las Vegas, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (11/13/25)
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  • Prin Technologist

    Mission Support and Test Services (North Las Vegas, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (11/13/25)
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  • Senior Engineer - Nuclear Assurance Safety Analyst

    Mission Support and Test Services (Mercury, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (11/13/25)
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  • Principal Database Administrator (Prin…

    Mission Support and Test Services (North Las Vegas, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Security Administration (NNSA). Our MISSION is to help ensure the security of the...for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and… more
    Mission Support and Test Services (11/13/25)
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