C4A Systems Engineer Subject Matter Expert
Suffolk, VA
Minimum of Secret clearance required
The Defense Sector at Leidos is currently looking for a C4A Systems Engineer Subject Matter Expert. The C4A Systems Engineer Subject Matter Expert provides expert-level leadership, engineering expertise, and operational support across the full spectrum of Command, Control, Communications, Computers, and Assurance (C4A) activities. This position supports Joint, Coalition, and mission-partner interoperability initiatives through the design, integration, testing, assessment, and sustainment of complex network and system architectures.
The successful candidate will lead engineering efforts supporting secure operational environments, ranging from DoD classified and unclassified networks to coalition secret-releasable architectures and RDT&E environments. This role combines systems engineering, network engineering, cybersecurity, interoperability testing, and project leadership to enable mission success in complex multi-domain operational environments.
Primary Responsibilities:- C4A Engineering
- Planning, preparation, research, coordination, and execution of Command, Control, Communications, Computers, and Assurance (C4A) and engineering-related tasks, delivering expert technical guidance and operational analysis. - Analytical Product Development
- Develop and deliver comprehensive technical assessments, analytical reports, workflow visualizations, engineering recommendations, and executive-level briefings. - Systems Testing & Validation
- Plan, coordinate, and execute technical testing activities to validate network architectures, systems interoperability, security controls, and mission partner integration requirements. - Project Execution & Reporting
- Monitor engineering task execution and provide accurate status reporting to contract leadership and government stakeholders, ensuring project objectives, schedules, and deliverables are achieved. - Technical Training & Knowledge Transfer
- Conduct internal training aligned to systems engineering, network engineering, cybersecurity, and interoperability subject matter expertise to enhance organizational readiness. - Sustainment & Operational Excellence
- Support sustainment efforts to ensure consistent quality, efficiency, reliability, and productivity across all assigned engineering and operational tasks. - Operational & Technical Analysis
- Interview military, civilian, and contractor personnel to gather operational and technical requirements, assess mission impacts, identify capability gaps, and develop actionable recommendations. - Enterprise Network Engineering
- Apply expert knowledge of IT management, network engineering, systems engineering, IT administration, and assured C4 to design, implement, and maintain secure mission-critical environments. - Network Lifecycle Management
- Support activities across the full network lifecycle, including architecture design, implementation, configuration, monitoring, maintenance, security, documentation, performance optimization, and troubleshooting. - Coalition & Interoperability Engineering
- Support and execute joint and coalition interoperability initiatives across classified, unclassified, releasable, and mission-partner environments to ensure seamless information sharing and operational effectiveness. - Project Engineering Leadership
- Serve as Project Engineer responsible for developing project plans, coordinating engineering and implementation teams, resolving technical risks, managing schedules, and communicating project status to stakeholders. - Technical Test Development
- Develop and execute technical test cases, test plans, and validation methodologies to assess system performance, interoperability, cybersecurity compliance, and…
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