p>The Senior Product Support Analyst – DMSMS / Obsolescence Management serves as an experienced Integrated Product Support (IPS) professional responsible for identifying, analyzing, and mitigating Diminishing Manufacturing Sources and Material Shortages (DMSMS), component obsolescence risks, and lifecycle sustainment challenges supporting complex defense systems for the Persistent Surveillance Program. June 23, 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.