IA/ISSE Engineer | TS/SCI | Equity & Learning Budget

Leidos is seeking a hands-on Information Assurance Security Engineer (IASE)/ISSE to support a complex mission-driven environment in Suitland, MD. You will secure, administer, harden, and maintain critical systems while collaborating across network, systems, cybersecurity, and architecture teams to strengthen security posture. Responsibilities include vulnerability remediation, security testing, architecture support, and ensuring compliance with STIGs/ SRGs across Unix and Windows environments.