> Markdown version of [/jobs/ext/3833970-undersea-systems-security-engineer-in-mclean](https://www.wearedevelopers.com/jobs/ext/3833970-undersea-systems-security-engineer-in-mclean). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Undersea Systems Security Engineer in McLean - **Company:** Energy Jobline - **Location:** McLean, VA, United States - **Experience:** Experienced - **Salary:** $69,400.0 - $158,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Cyber Security, Computer Networks, Mesh Networking, Systems Architecture, C4i, SC Clearance, Information Technology - **Published:** October 19, 2026 - **Apply:** https://www.energyjobline.com/job/undersea-systems-security-engineer-mclean-31998029 ## About the Role * 5+ years of experience in maritime or defense systems, including surface ships, submarines, carriers, unmanned surface vehicles (USVs), unmanned underwater vehicles (UUVs), ROVs, sUAS, cUAS, or C4I platforms \n * 3+ years of experience supporting Navy acquisition, fleet introduction, in-service engineering, sustainment, or lifecycle readiness for maritime systems \n * Experience with cybersecurity-by-design principles, RMF, NIST guidance, CNSSI 1253, and secure systems engineering practices applied to operational or autonomous systems \n * Knowledge of networking concepts, including LAN, WAN, bandwidth management, protocols, and directory services, applied to shipboard, expeditionary, or unmanned platform networks such as mesh networks, tactical datalinks, or LEO connectivity \n * Ability to identify, analyze, and mitigate cybersecurity risks across system architectures, payload integrations, autonomy behaviors, or control systems for maritime platforms \n * Secret clearance \n * Bachelor's degree in Computer Science, Cybersecurity, Electrical Engineering, Mechanical Engineering, Systems Engineering, or Naval Architecture \n * DoD IAT Level II Certification such as Security+, CySA+, or CCNA Security Certification \n