> Markdown version of [/jobs/ext/3637451-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3637451-systems-engineer). 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). --- # Systems Engineer - **Company:** GovCIO - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $200,000.0 - $225,000.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Artificial Intelligence, Systems Engineering, Cyber Security, Decision Support Systems, DevOps, Network Planning and Design, Zero Trust Network Access, Computer Network Operations, Technical Debt, Data Analytics, Cyber Warfare - **Published:** October 8, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3011494952-2 ## About the Role * Systems engineering * Network architecture and design * Cybersecurity engineering * Enterprise architecture * Commercial Solutions for Classified (CSf * C) * Post-quantum cryptography (PQC) * Artificial intelligence and machine learning * Data analytics for cyber/network operations * Risk Management Framework (RMF) * Security architecture and zero-trust design ## Description The Senior Systems Engineer - Cybersecurity & CSfC Architecture leads design and modernization of secure, resilient enterprise IT for classified federal environments. This role provides subject-matter expertise across systems, network, and cybersecurity engineering; defines technical direction; architects CSfC and multi-domain solutions; plans post-quantum cryptography migration; and applies AI/data analytics to improve network operations and cyber defense. The position is fully on-site in a TS/SCI environment., * Provide SME-level leadership for systems, network, and cybersecurity engineering efforts to meet mission objectives across the enterprise. * Architect and design secure, resilient multi-domain IT solutions, including CSf * C-based capabilities and integration of multiple Top Secret enclaves. * Plan and lead migration to post-quantum cryptography in line with NSA CNSA 2.0, including crypto inventory, prioritization, and vendor coordination. * Evaluate and integrate AI and data analytics to enhance network operations, cyber defense, and decision support for high-consequence environments. * Retire legacy technical debt and implement modern engineering practices that strengthen defensive cyber operations. * Serve as senior technical interface to internal and client engineering leadership, presenting options, risks, and technical recommendations. * Mentor senior and mid-level engineers; review architectures, accreditation artifacts, and technical deliverables for quality and compliance. * Support RMF security activities and accreditation packages for systems under the engineer's technical purview.