• Senior Classified Security Engineering…

    Mission Support and Test Services (North Las Vegas, NV)
    …data, networks, systems , and applications. **Key Responsibilities** + Assist the ISSM ( Information Systems Security Manager) and ISSOs ( Information ... + Perform Security Test and Evaluations of information systems in support of a ...impacted. **Department of Energy Q Clearance** (position will be cleared to this level). Reviews and tests for the… more
    Mission Support and Test Services (12/16/25)
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  • Senior Cyber Security Analyst…

    Mission Support and Test Services (North Las Vegas, NV)
    …ensuring network access requirements are met. + Perform Security Test and Evaluations of information systems in support of a security plan. + Review ... systems , and applications. **Key Responsibilities** + Assist the Information System Security Manager (ISSM) and ...impacted. **Department of Energy Q Clearance** (position will be cleared to this level). Reviews and tests for the… more
    Mission Support and Test Services (12/16/25)
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  • Principal Cloud Security , Digital…

    Mission Support and Test Services (North Las Vegas, NV)
    …EnCase Certified Examiner (EnCE) + GIAC Security Essentials (GSEC) + Certified Information Systems Security Professional (CISSP) + The primary work ... internal and external organizations that include Human Resources, the Legal Department, Information Security Officers, and local, state, and federal law… more
    Mission Support and Test Services (11/13/25)
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  • Technologist - Intrusion Detection Systems

    Mission Support and Test Services (Mercury, NV)
    …Jacobs Engineering Group Inc. (Jacobs), and HII Nuclear Inc. **Responsiblities** The Electronic Security Systems section is looking for an individual with strong ... Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ...will have experience with commercial access control, commercial alarm systems and/or home alarm systems . **Key Responsibilities**… more
    Mission Support and Test Services (11/13/25)
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  • Scorpius Systems Engineer (Multi-Level)

    Mission Support and Test Services (Mercury, NV)
    …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 United States and its allies by...for Subcritical Experiments (ECSE) Directorate is seeking an experienced Systems Engineer (Senior or Principal level) to support the… more
    Mission Support and Test Services (12/02/25)
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  • Safeguards & Security Specialist II…

    Mission Support and Test Services (Mercury, NV)
    …and conduct for performance tests to include Protective Force (PF), Physical Security Systems (PSS), Nuclear Material Control and Accountability (NMC&A), and ... other applicable directives. + Participate in and support Physical Security Systems effectiveness testing, return to service...investigation to meet the requirements for access to classified information or matter if the duties of the position… more
    Mission Support and Test Services (11/19/25)
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  • Senior Safeguards & Security Specialist…

    Mission Support and Test Services (Mercury, NV)
    …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 United States and its allies by...direction to include identifying, evaluating and compiling detailed technical information related to the mission and process in regard… more
    Mission Support and Test Services (12/18/25)
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  • Security Guard I

    Cayuse Holdings (Fallon, NV)
    …of sensitive information . + Controls building access and performs physical security checks. + Restricts access to facilities to authorized personnel. + Maintains ... **Description of General Duties:** + Provide access control and facility security for NAS Fallon Centroid and Fleet Tactical Training Range facilities.… more
    Cayuse Holdings (12/24/25)
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  • Senior/Principal/Senior Principal Scientist…

    Mission Support and Test Services (North Las Vegas, NV)
    …standing up new diagnostics and next-generation targets or other accelerator crucial sub- systems . + Prior Q- cleared work and leadership a high-consequence ... Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA).… more
    Mission Support and Test Services (11/27/25)
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  • Senior Diagnostic Scientist

    Mission Support and Test Services (Mercury, NV)
    …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 United States and its allies by...collaborate in design, development, characterization, and fielding of diagnostics systems on physics experiments conducted at the Principal Underground… more
    Mission Support and Test Services (12/16/25)
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