• Senior Fire Protection Engineer

    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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  • RCT Technologist

    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 ... surveys and monitor radiological conditions and work practices utilized Mission Support & Test Services, LLC (MSTS) and/or subcontractors in assigned… more
    Mission Support and Test Services (12/09/25)
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  • Power Engineering Senior 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 (11/25/25)
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  • RF Systems Engineer (Principal Engineer)

    Mission Support and Test Services (CA)
    **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 (12/09/25)
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  • RCT Technician 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 ... surveys and monitor radiological conditions and work practices utilized by Mission Support and Test Services, LLC (MSTS) and/or subcontractors in assigned areas.… more
    Mission Support and Test Services (12/09/25)
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  • PULSE New Access Project (PNAP) Manager III

    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 ... years. This position reports to the Senior Director of Infrastructure of Mission Support and Test Services (MSTS, LLC), the Management & Operations Contractor of… more
    Mission Support and Test Services (11/13/25)
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  • Infrastructure Analyst II

    Mission Support and Test Services (Santa Barbara, CA)
    **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 (12/09/25)
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  • Principal Engineer Architect

    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 (12/05/25)
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  • Operations Supervisor II (Pulse)

    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 (11/21/25)
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  • Senior Nuclear Facilities Operations Specialist

    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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