Conduct ISR/CPSO duties in the following areas: Management, maintenance and accreditation preservation of Open Storage Spaces (OSS) and Sensitive Compartmented Information Facilities (SCIFs).Processing of Prime and Sub DD254s; escorting uncleared personnel/visitors; update and maintain facility checklists; conduct routine/annual inspections; maintain databases; respond to emerging security-related issues; process outgoing visit requests and validate incoming visit requests; • Conduct Personnel Security processing actions including requesting, reviewing, approving, and submitting clearances packages up to and including SCI nomination packages in accordance with customer requirements. May 29, 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.