TS/SCI ISSO/ISSE – Senior Security Engineer

Constellation Technologies, Inc. seeks a security-focused professional to join our defense-oriented team in Laurel, MD. A TS/SCI clearance with an active polygraph and US citizenship are required, along with DoD 8570 IAT compliance and 6+ years of related information security experience. You will apply RMF and NIST 800-53 controls, implement defense-in-depth architectures, and contribute to security evaluations, SSP maintenance, and security policy development.