Lead ISSE: Cybersecurity Engineer, Secret Clearance

Decision Technologies, Inc. seeks an Information System Security Engineer to join our Virginia Beach team. You will provide technical cybersecurity engineering in support of USMC ISEA programs, interpreting and validating security requirements across the system lifecycle. The role involves hands-on security design, RMF and NIST SP 800-53 compliance, and close collaboration with system engineers, developers, administrators, and the ISSO to maintain the system security posture.