Provides plant support and oversight for nuclear facility cybersecurity, ensuring controls for Critical Digital Assets are implemented, maintained, documented, and audit-ready. Responsibilities include account and permission management, baseline configuration, contingency planning, backups, patching, change packages, cybersecurity impact analyses, technical support, training, and coordination with operations, maintenance, engineering, IT, and work control. The role requires field inspections, outage and emergency support, unescorted plant access, and possible shift work or callouts.