p/>USD is an industry leader in developing, applying, and advancing the state-of-the-art signal processing technologies for Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) systems including distributed netted sensor systems, communications systems, positioning systems, tactical decision systems, and autonomous unmanned platforms. June 22, 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.