Sr Systems Engineer

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.

Responsibilities

• 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.

Required Skills

• 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