Activity Security Representative

ManTech International seeks an Activity Security Representative to safeguard sensitive defense and intelligence operations. In this on-site role, you will implement and enforce security policies, monitor classified activities, manage access control and badging, and support inspections to ensure full compliance with DoD and Intelligence Community directives. You’ll coordinate with program leadership to assess risks, investigate security incidents, and train personnel on security procedures. Join a mission-focused, collaborative team that protects critical national security programs while offering strong career growth and technical development.