Staff Cyber Security Engineer

Leidos seeks a Staff Cyber Security Engineer to lead design and defense of mission-critical systems for national security, health, and engineering clients. You will architect secure solutions, drive threat modeling, vulnerability management, and incident response, and integrate security into complex IT and cloud environments. In a highly collaborative, mission-driven culture, you’ll mentor engineers, support NIST/RMF compliance, and influence security roadmaps while enjoying flexible work optio…