• Senior Safeguards & Security Specialist (Security…

    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 ... ensure that policy decisions, procedures, and operations are compliant with Mission Support and Test Services (MSTS) and Department of Energy (DOE) regulations,… more
    Mission Support and Test Services (09/06/25)
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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 (07/03/25)
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  • 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 (07/15/25)
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  • Principal Engineer - Pulsed Power (Multi-Level)

    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 (09/06/25)
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  • Principal Technologist (Emergency Response…

    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 ... 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 (09/09/25)
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  • PULSE Construction Superintendent (Supervisor 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 (09/06/25)
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  • Senior Electrical Engineer

    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 (09/06/25)
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  • Principal Emergency Response Specialist - SOARS…

    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 (09/06/25)
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  • Electrical 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 (09/06/25)
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  • GIS Analyst (Scientist 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 (09/06/25)
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