June 4, 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. Duties include conducting technical planning for hardware and software upgrades, review/development of implementation and upgrade guides, documentation updates and generation to support Risk Management Framework (RMF) Authority to Operate (ATO) and extension requests.