The essential functions of this position include but are not limited to: Install, service, program, maintain, and troubleshoot correctional security systems, including CCTV/VMS, access control, PLC/HMI door control, intercom, paging, duress, perimeter detection, network switches, fiber/copper data infrastructure, UPS/power equipment, relay logic, and related system integrations. Correctional facilities require a technician who understands the operational impact of cameras, door control, intercom, access control, duress, paging, PLC/HMI, network infrastructure, and related security systems that directly support staff safety, inmate movement, facility lockdowns, and daily operations.