Information Assurance Security Engineer (IASE) / Information Systems Security Engineer (ISSE)

Leidos is seeking a hands-on Information Assurance Security Engineer (IASE) / Information Systems Security Engineer (ISSE) to secure, administer, and harden critical systems and infrastructure within a complex, mission-driven enterprise environment in Suitland, MD. The role involves collaborating across cybersecurity and architecture teams to strengthen the organization's security posture through vulnerability remediation, security testing, and architecture support. Candidates must hold an active TS/SCI clearance and possess extensive experience with DoD RMF, IC processes, and security engineering best practices.