Sigma Defense is seeking a Senior Cybersecurity Specialist to provide advanced technical and analytical cybersecurity support across the full spectrum of a US Navy Above Water Sensors and Lasers programs. This role supports full acquisition lifecycle activities, including systems under development, systems in production, and fielded systems undergoing upgrades. The specialist ensures the protection, resilience, and compliance of Navy combat systems, networks, and information systems in accordance with DoW, DON, NAVSEA, and PEO IWS cybersecurity policies, standards, and processes.

This position plays a key role in the development, assessment, and maintenance of cybersecurity architecture, cyber engineering artifacts, cybersecurity performance metrics, RMF authorization packages, and enclave-level cyber strategies supporting system certification requirements. The specialist provides engineering expertise, risk and vulnerability assessments, STIG execution, cybersecurity test str...