• RF Systems Engineer (Principal Engineer)

    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 (09/06/25)
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  • Senior Manager, Internal Audit (Manager 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 ... national security work for the government; NNSS is managed and operated by Mission Support and Test Services, LLC, a joint venture of Honeywell, Amentum, and… more
    Mission Support and Test Services (09/06/25)
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  • RCT Principal 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 by Mission Support and Test Services, LLC (MSTS) and/or subcontractors in assigned areas.… more
    Mission Support and Test Services (09/06/25)
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  • Principal Radiation Safety 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 (09/06/25)
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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 (08/08/25)
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  • Senior Scientist

    Mission Support and Test Services (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 ... the work done at the Remote Sensing Laboratory in support of a very important mission please...Laboratory in support of a very important mission please check out this video https://www.ans.org/webinars/view-rsl2021/#\_blank . The… more
    Mission Support and Test Services (07/15/25)
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  • Construction Technician 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 (09/06/25)
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  • 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 (07/31/25)
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  • Project Engineer 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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  • Lieutenant (Supervisor), SPO BRS - Basic Readiness…

    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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