As a Security Specialist III: Contractor Special Security Representative (CSSR) (Deployable), you will support all facets of SNC's Security Program to include personnel security, document control, DD254 review and preparation, visitor access and control, physical security, and supporting security investigations. You will also have the opportunity to expand your security knowledge across a wide range of security disciplines and participate in internal security working groups and special project initiatives. The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains - air, land, sea, space and cyber.