Principal Safeguards & Security Specialist - Technical Security Analyst

Mission Support & Test Services, LLC (MSTS) / Nevada National Security Sites (NNSS) is seeking a Principal Safeguards & Security Specialist (Technical Security Analyst) to serve as a high-level technical authority for complex security risk, blast, and vulnerability analyses.

Reporting directly to the Technical Analysis Section Supervisor, this role provides rigorous technical and quantitative analytical support to the Nevada Field Office (NFO) and National Nuclear Security Administration (NNSA).

The incumbent will leverage advanced computational modeling, physics-based blast simulations, and probabilistic risk assessment methodologies to evaluate, design, and validate physical protection systems for complex nuclear, high-hazard, and critical infrastructure assets.