Information Systems Security Engineer

Leidos is seeking an Information System Security Engineer to support mission-critical programs across national security, health, and engineering. In this role, you will help design, implement, and assess security controls that protect information systems and sensitive data. You’ll work collaboratively with engineering, IT, and program teams to identify risks, address vulnerabilities, maintain security documentation, and support system authorization. The ideal candidate brings practical cybersecurity experience, knowledge of government security standards, and a commitment to integrity and continuous learning. Join a mission-driven team delivering impactful technology solutions, with competitive pay, robust benefits, professional development, and flexible work options.