June 11, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Leidos is seeking an experienced a TS/SCI clearedHost-Based Security System (HBSS) Administrator to support the management, configuration, and maintenance of endpoint security infrastructure across Department of Defense (DoD) and federal government networks.