June 9, 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. As a Systems Administrator supporting PACAF A2Y at Joint Base Pearl Harbor–Hickam, you’ll operate at the center of a globally distributed mission, ensuring the reliability, security, and performance of critical JWICS‑connected systems.