Senior Information Systems Security Engineer (ISSE)

Amentum is seeking a Senior Information Systems Security Engineer to join its Intel and Cyber Division at Fort Meade, MD, supporting mission-critical IT capabilities for the Department of Defense. The role involves leading the design, integration, and assessment of security architectures for classified information systems while ensuring compliance with national security policies. The position requires mentoring junior staff, advising leadership on risk, and driving security initiatives across complex, integrated teams.