• Senior Safeguards & Security 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 (07/03/25)
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  • Senior Material Planning & Control Specialist

    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 ... development activities. This includes expediting those material orders to ensure critical mission milestones are not delayed. **Responsibilities** + Support T&O… more
    Mission Support and Test Services (07/23/25)
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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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  • Sr Safeguards & Security Spec

    Mission Support and Test Services (Livermore, CA)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... and regulations in the applicable Department of Energy (DOE) Orders, Mission Support & Test Services (MSTS) Company Directives, and other relevant Nevada… more
    Mission Support and Test Services (07/10/25)
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  • Commissioning Startup and Testing Principal…

    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 ... for assisting projects with ensuring all equipment and facilities constructed by Mission Support and Test Services (MSTS), LLC are installed correctly, and they… more
    Mission Support and Test Services (07/03/25)
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  • Senior Emergency Response Specialist (Emergency…

    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 ... directed by responsible manager. + Understand the principles associated with the Mission Support & Test Services, LLC (MSTS) safety concepts. + Perform other… more
    Mission Support and Test Services (07/03/25)
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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 (07/03/25)
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  • Nuclear Facility Operations Specialist 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 (07/03/25)
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  • Infrastructure Analyst I

    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 (07/17/25)
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  • Civil/Structural Engineer 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 (07/03/25)
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