September 17, 2025For 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. The System Administrator will rack and stack equipment, support upgrades and consolidations, ensure power is transferred if there is a power failure, and provide general data center system administrator support.