Senior Information Security Analyst

ManTech International seeks a Senior Information Security Analyst to protect critical U.S. defense and federal missions. In this senior cyber role, you will lead threat detection, incident response, vulnerability management, and security engineering across complex enterprise and cloud environments. You’ll apply NIST and RMF frameworks, develop SIEM use cases, support ATOs, and guide secure architectures. Join a mission-focused, collaborative culture that values innovation, integrity, and technical excellence, with robust training, career growth, veteran-friendly programs, and competitive pay and benefits.