Geospatial Cyber Security Engineer – Multiple Positions at Junior/Mid/Senior Levels

Apply RMF processes to support system Assessment & Authorization, including control selection, implementation, assessment, and continuous monitoring. Develop, review, and maintain security documentation such as SSPs, POA&Ms, SARs, and ATO artifacts in XACTA or eMASS. Conduct vulnerability assessments and compliance scans, tracking remediation of findings and IAVM requirements. Implement and validate security controls aligned with NIST 800-53, CNSSI 1253, and related DOD guidance while supporting system hardening, patching, and configuration management for Linux, Windows, and network devices. Monitor systems for security events and support incident response and risk mitigation activities. Assess security impacts of system changes and support configuration control boards. Collaborate with systems engineers, administrators, and DevSecOps teams to integrate security throughout the system lifecycle. Provide cybersecurity risk input to program leadership, Authorizing Officials, and stakeholders. Requires active Top Secret Clearance with SCI eligibility, 5+ years of experience, and DoD 8570 IAT Level II certification. Located in St. Louis, MO area with up to 15% travel.