• Mechanical Facility Engineer

    Mission Support and Test Services (Mercury, NV)
    …Engineering Group Inc. (Jacobs), and HII Nuclear Inc. **Responsiblities** Performs duties as a facility /system engineer ( Mechanical Engineer II) at the ... site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air.… more
    Mission Support and Test Services (09/26/25)
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  • Mechanical Facility Engineer

    Mission Support and Test Services (Mercury, NV)
    …Group Inc. (Jacobs), and HII Nuclear Inc. **Responsiblities** MSTS is seeking a Mechanical Engineer for a Facility /System Engineering and packaging ... site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air.… more
    Mission Support and Test Services (10/31/25)
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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 or ... site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air.… more
    Mission Support and Test Services (09/26/25)
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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 ... that helps secure our nation's future. **Key Responsibilities** + Perform duties as a facility /system engineer . Serve as Engineer for the NNSS Facility more
    Mission Support and Test Services (08/15/25)
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  • Mechanical Engineer

    Amentum (China Lake, CA)
    Amentum is seeking an experienced Mechanical Engineer with the technical expertise to implement solutions, evaluate products, and build upon an infrastructure ... that supports the changing needs of our customers. In this role, the Mechanical Engineer will be responsible for preparing and/or maintaining operations… more
    Amentum (10/23/25)
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  • Senior Electrical Engineer

    Mission Support and Test Services (Mercury, NV)
    …(Jacobs), and HII Nuclear Inc. **Responsiblities** MSTS is seeking a Senior Electrical Engineer for a Facility /System Engineering position at our PULSE ... choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and...facility . The PULSE facility is an underground nuclear facility located… more
    Mission Support and Test Services (09/06/25)
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  • Fire Protection CSE (Senior Engineer )

    Mission Support and Test Services (Mercury, NV)
    …site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. ... and HII Nuclear Inc. **Responsiblities** MSTS is seeking a Senior Fire Protection Engineer to provide leadership in resolving fire protection issues at nuclear and… more
    Mission Support and Test Services (09/26/25)
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  • Senior Engineer - Nuclear Assurance Safety…

    Mission Support and Test Services (Mercury, NV)
    …site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. ... Group Inc. (Jacobs), and HII Nuclear Inc. **Responsiblities** The Senior Nuclear Engineer in Nuclear Assurance Directorate is responsible for the development of… more
    Mission Support and Test Services (10/09/25)
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  • Senior Civil/Structural Engineer

    Mission Support and Test Services (Mercury, NV)
    …site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. ... and HII Nuclear Inc. **Responsiblities** MSTS is seeking a Senior Civil/Structural Engineer for its Onsite Design Engineering team. The onsite group is based… more
    Mission Support and Test Services (10/02/25)
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  • Senior Principal Electrical Safety Authority…

    Mission Support and Test Services (Mercury, NV)
    …Nevada National Security Site (NNSS) is seeking an outstanding Senior Principal Electrical Engineer Engineering Programs Division as a Staff Engineer . In this ... site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air.… more
    Mission Support and Test Services (10/02/25)
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  • Systems Engineer

    Amentum (China Lake, CA)
    **Mission Statement:** The Conventional Prompt Strike Test Facility (CTF) contract supports the Naval Air Warfare Center Weapons Division (NAWCWD), Weapons and ... customers, suppliers, subcontractors and professional associates. Amentum is seeking an experienced engineer to be a technical leader and subject matter expert in a… more
    Amentum (09/28/25)
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