Active TS/SCI Clearance Required. We are seeking a highly motivated and well-qualified professional to join our team as a Cybersecurity Information Systems Security Engineer (SME). This role offers the opportunity to work alongside a team of talented and diverse individuals supporting mission-critical operations for the Department of Defense (DoD). The selected candidate will provide direct, day-to-day support to classified networks and systems within secure environments, ensuring the highest levels of security and compliance. In this position, you will work closely with the Program Manager to strengthen the cybersecurity posture of classified DoD programs and ensure alignment with DoD policies, directives, and mission priorities.