The Senior Relay Technician is responsible for leading the testing, commissioning, maintenance, troubleshooting, and validation of protective relay and control systems that support the safe and reliable operation of utility transmission and distribution substations. As part of the Asplundh family of companies, Asplundh Engineering Services (AES) delivers top-notch engineering, design, planning, testing, commissioning, construction management and consulting services for transmission, distribution, substation and renewable infrastructure markets across the U.S. .