Provides electric, gas, and water services to Memphis and surrounding areas.
The Substation Relay Technician reports to the Foreman and is responsible for installing, testing, maintaining and repairing a variety of relays, electronic equipment, and electrical instruments used in transmission and distribution systems. The role involves both field work on substations and coordination with crew members to ensure reliable system operation.
Key functions include performing system integrity checks on microprocessor, solid‑state and electromechanical relays as well as communications and control systems, testing control circuits on substation breakers, calibrating indicating equipment, and ensuring compliance with NERC standards. The technician also sets up and maintains the JMUX fiber communications network and programs, tests, inspects, and commissions controls for the Distribution Automation system.
Technical expertise is applied to reading and verifying protection blueprints, analyzing control circuit wiring, designing or fabricating special relay circuits, and conducting post‑event analysis of protection system operations. Additional duties cover troubleshooting power‑line carrier equipment, wave traps, UPS systems, capacitor banks, regulators, reclosers, and related controls, as well as guiding crews on Remote Telemetry Unit installations.
The position requires maintaining accurate records of repairs, test results, adjustments, program changes, and system modifications, adhering to Division and OSHA safety rules, and operating Division vehicles, test equipment, and radios as needed. Other duties are performed as directed.
A valid driver’s license and an associate degree in Electrical, Telecommunication, Electronic Engineering Technology, or a related field are required. Within six months of hire the employee must complete two of three substation relay training modules, pass a Color Blind I test, and satisfy any placement or performance exercises. The role demands climbing and working at heights up to 50 feet, confined‑space work, lifting up to 50 pounds, and exposure to extreme weather and high voltages.