• Senior Engineer - Nuclear Assurance…

    Mission Support and Test Services (Mercury, NV)
    …Engineering Group Inc. (Jacobs), and HII Nuclear Inc. **Responsiblities** The Senior Nuclear Engineer in Nuclear Assurance Directorate is responsible for ... knowledge; graduate research experience may be recognized_ + Degree in Mechanical , Nuclear , Chemical, or Industrial Engineering preferred. + Demonstrated… more
    Mission Support and Test Services (11/13/25)
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  • Senior Nuclear Engineer - NDSE

    Mission Support and Test Services (North Las Vegas, NV)
    …Nevada National Security Site (NNSS) is seeking outstanding candidates for a Nuclear Engineer position supporting the Neutron Diagnosed Subcritical Experiment ... Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help...the air. (See NNSS.gov for our unique capabilities.) Our 2 ,750+ professional, craft, and support employees are called upon… more
    Mission Support and Test Services (11/13/25)
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  • Mechanical Engineer II

    Mission Support and Test Services (Mercury, NV)
    …(Jacobs), and HII Nuclear Inc. **Responsiblities** MSTS is seeking a Mechanical Engineer II for a Facility/System Engineering and packaging engineering ... Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help...Council or Architectural Registration Board (NCARB) + Or Professional Engineer license + Plus at least 2 more
    Mission Support and Test Services (11/13/25)
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  • Mechanical Facility Engineer

    Mission Support and Test Services (Mercury, NV)
    …(Jacobs), and HII Nuclear Inc. **Responsiblities** MSTS is seeking a Mechanical Engineer for a Facility/System Engineering and packaging engineering position ... Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help...the air. (See NNSS.gov for our unique capabilities.) Our 2 ,750+ professional, craft, and support employees are called upon… more
    Mission Support and Test Services (11/13/25)
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  • Heavy Fleet & Equipment Mechanical

    Mission Support and Test Services (Mercury, NV)
    …a part of Fleet & Critical Site Infrastructure (FCSI), is seeking a Mechanical Engineer II to validate physical configuration of assigned systems, maintain ... Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help...Calculus-based STEM bachelor's degree in engineering; + Or Professional Engineer license. + Plus at least 2 more
    Mission Support and Test Services (11/13/25)
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  • Senior Mechanical Engineer

    Mission Support and Test Services (Mercury, NV)
    …(Jacobs), and HII Nuclear Inc. **Responsiblities** Performs duties as a facility/system engineer (Senior Mechanical Engineer ) at one of the nuclear ... Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help...the air. (See NNSS.gov for our unique capabilities.) Our 2 ,750+ professional, craft, and support employees are called upon… more
    Mission Support and Test Services (11/13/25)
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  • ECSE - Senior Mechanical Engineer

    Mission Support and Test Services (North Las Vegas, NV)
    …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 air. (See NNSS.gov for our unique capabilities.) Our 2 ,750+ professional, craft, and support employees are called upon...collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today. + MSTS… more
    Mission Support and Test Services (11/13/25)
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  • Senior Engineer Instrument & Control

    Mission Support and Test Services (North Las Vegas, NV)
    …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 air. (See NNSS.gov for our unique capabilities.) Our 2 ,750+ professional, craft, and support employees are called upon...collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today. + MSTS… more
    Mission Support and Test Services (11/13/25)
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  • Electrical Engineer I/II/Senior - Pulsed…

    Mission Support and Test Services (North Las Vegas, NV)
    …degrees; + Or, Calculus-based STEM bachelor's degree in engineering; + Or Professional Engineer license. + Plus at least 2 years' relevant experience. + ... Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help...the air. (See NNSS.gov for our unique capabilities.) Our 2 ,750+ professional, craft, and support employees are called upon… more
    Mission Support and Test Services (11/13/25)
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  • Fire Protection CSE (Senior Engineer )

    Mission Support and Test Services (Mercury, NV)
    …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 air. (See NNSS.gov for our unique capabilities.) Our 2 ,750+ professional, craft, and support employees are called upon...collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today. + MSTS… more
    Mission Support and Test Services (11/13/25)
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