- Mission Support and Test Services, LLC (North Las Vegas, NV)
- …and HII Nuclear Inc. Responsibilities Mission Support and Test Services (MSTS) is seeking a Senior Safeguards and Security (S&S) Specialist to fill the role ... Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ...Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help ensure… more