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Principal Safeguards & Security Specialist (Principal Technical Analyst)

Nevada National Security Sites
North Las Vegas, United Statesfull_timeVerifiedPosted 9 Mar 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 (S&S) to assist the Technical Analysis Section supervisor in the completion of security analysis which includes conducting blast analysis and determining security risk. In this role as the Principal Technical Analyst, you will provide technical support to the Nevada Field Office (NFO) by conducting analyses that support S&S planning activities for Nevada National Security Sites (NNSS), fixed facilities and projects.

Key Responsibilities

  • Conduct analysis to include complex characterizations of targets, threats, facilities, protective force (PF), and insider threats.
  • Asset characterization of NNSS assets defined in the Department of Energy (DOE) Order 470.3C Design Basis Threat (DBT) security assets. This includes the categorization and assignment of protection levels (PL) for special nuclear material (SNM), accountable nuclear material, classified information and matter, hazardous chemicals, radiological materials, government property (to include critical infrastructure), and personnel.
  • Conduct analysis (including software modeling) and have familiarization with blast and explosive effects, safety, breaching, and initiation systems (vehicle-borne improvised explosive device, fuses, and man-carried). 
  • Characterize PL 1-4 facilities to include delay and blast analysis, development of figures of merit for physical security systems, and identification of essential elements (EE) and non-essential elements (NEE) for security assets.
  • Conduct insider analysis in accordance with the DBT, and vulnerability and security risk assessments used to support the determination of risk to DOE/NNSA assets.
  • Develop DBT graduated threat axis scenarios in accordance with DBT to determine risk for PL 1-4 facilities.
  • Support the development of neutralization analysis for PL 1-4 facilities in accordance with the DBT in order to develop protection system effectiveness.
  • Develop and conduct security risk assessments for PL 5-8 assets in accordance with the DBT used to communicate risk to the appropriate risk accepting official.
  • Provide technical input to security system construction and installation, active/passive barrier systems, and participate in NNSA security system design reviews at the NNSS for Perimeter Intrusion Detection and Assessment System (PIDAS), vault-type rooms (VTR), and other support required for security system installations.
  • Conduct assessments and report risk to the NFO for concerns not previously analyzed. 
  • Provide briefings to the Senior Management and NFO.
  • Represent MSTS at meetings related to security risk and planning activities.
  • 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

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Company

Nevada National Security Sites

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