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Principal Safeguards & Security Specialist - Exercise Coordinator

Nevada National Security Sites
United Statesfull_timeVerifiedPosted 8 Jan 2026
💰 $155,522/yr($101,982/yr$155,522/yr)

About the role

Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA).  Our MISSION is to help ensure the security of the United States and its allies by providing high-hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services and by acting as environmental stewards to the Site’s Cold War legacy.  Our VISION is to be the user 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. (See NNSS.gov for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today.   

  • MSTS offers our full-time employees highly competitive salaries and benefits packages including medical, dental, and vision; both a pension and a 401k; paid time off and 96 hours of paid holidays; relocation (if located more than 75 miles from work location); tuition assistance and reimbursement; and more.  
  • MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc. (Jacobs), and HII Nuclear Inc.

NNSS is seeking a Principal Safeguards & Security Specialist to serve as an Exercise Coordinator. The specialist in this role will support nuclear and/or non-nuclear facilities/activities on the Nevada National Security Site (NNSS), North Las Vegas Facility (NLVF) and other satellite locations for both the Safeguards & Security and Emergency Management Programs.

 Key Responsibilities

  • Safeguards & Security and Emergency Management Exercise Planning and development, requiring travel to and from multiple work locations. 
  • In coordination with the Technical Analysis Section, develop assessed malevolent and/or hazard-based scenarios.
  • Interface with DOE/NNSA Nevada Field Office (NFO) Emergency Management Program Manager, individual Facility Managers and NFO Facility Representatives involving activities and documentation for the NNSS Exercise Program.
  • Exercise coordination with internal and external stakeholders (to include local law enforcement, emergency responders, etc.) to ensure alignment with exercise objectives and goals.
  • Facilitate planning meetings to design and develop exercise scenarios.
  • Prepare and maintain exercise documentation, including the Exercise Plan (ExPlan), Master Scenario Events List (MSEL), Exercise Injects, and After-Action Report (AAR).
  • Provide training and briefings to exercise participants, including players, controllers, evaluators, and support staff on their roles and responsibilities. 
  • Oversee the execution of exercises, ensuring all activities are conducted safely, in accordance with the ExPlan and exercise objectives. 
  • Facilitate post-exercise debriefings and hot washes to capture participant feedback, analyze exercise performance and identify strengths, areas for improvement, and corrective actions.
  • Understand and apply the principles associated with the Mission Support & Test Services, LLC (MSTS) safety concepts.
  • Perform other duties assigned by Management.
  • Bachelor's degree in a field related to the position or equivalent training and experience, plus 8 years of progressive related experience.
  • Expert knowledge of advanced principles, concepts and theory related to the position and ability to address issues and define and resolve the most difficult and challenging problems.
  • Able to work independently on safeguards and security program objectives and strategies, and formulate strategies for improving operations/processes.
  • Able to develop and maintain relationships with all levels of employees throughout the company, customers, outside agencies, and various levels of personnel within parent organizations, DOE/HQ, DOE/NNSA, and other contractors including LANL, LLNL, and Sandia as needed to facilitate meeting safeguards and security program objectives while screening and maintaining confidentiality.
  • Able to prioritize and schedule multiple activities in the most efficient manner and meet required deadlines.
  • Able to use software applications needed in the position, including accounting software, analytical software, financial analysis software, word processing software, spreadsheet software, presentation software, and database software.
  • Attention to detail and accuracy required in ensuring that policy decisions, procedures, and operations are in compliance with MSTS and DOE regulations, procedures, and federal and state laws.
  • Must possess planning/organizing skills and initiative; employ independ

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Company

Nevada National Security Sites

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