Secure Enclave Systems Engineer - Linux/Windows

Leidos seeks an experienced Infrastructure Systems Engineer to administer Linux (Red Hat) and Windows systems, network infrastructure, and security compliance within a mission‑critical secure enclave environment. You will ensure reliability, security, and availability of mission systems while supporting secure data transfers and evolving mission requirements. A Bachelor's degree and 5+ years of relevant experience are required, along with TS/SCI + Polygraph clearance. #J-18808-Ljbffr