Staff Cyber Security Analyst

ManTech International seeks a Staff Cyber Security Analyst to protect critical U.S. defense and federal missions. In this role, you will lead advanced threat detection, incident response, and threat hunting across complex on-prem and cloud environments. You will analyze security events, tune SIEM and detection tools, perform malware and forensic analysis, and drive remediation with engineering teams. You will support NIST/RMF-based compliance, mentor junior analysts, and contribute to innovative cyber solutions in a mission-focused, collaborative culture committed to national security and technical excellence.