The Security Service Technician is responsible for performing the service and repair of commercial electronic security systems and components including intrusion alarms, CCTV, and access control as well as educating customers on the proper use, services, and maintenance of equipment, and correctly addressing questions or concerns of the customer. What to expect as a Commercial Security Service Technician: Install, program, and configure commercial electronic security systems for commercial clients (door access control, CCTV, Intrusion detection, low voltage communication, electronic locks, point sensors, signaling devices, etc.).