Support CNI (Critical National Infrastructure) in data centers and remote control centers including network devices and services (e.g., routers, switches, firewalls, servers, etc.), including maintenance and installations such as equipment racking, power/cable management and repair/replacement of failed equipment and/or components. The role is responsible for the day-to-day administration, technical support, troubleshooting, maintenance, upgrades, patching, database and display performance, and overall health of cybersecurity tools operating within clustered UNIX, Linux, and Microsoft Windows Server environments.