Senior Relay Technician - Utility & High-Voltage Protection

About the Role

At Asplundh Electrical Testing, safety is not a priority—it is our foundation. The Senior Relay Technician plays a critical role in ensuring the safe, reliable operation of medium‑ and high‑voltage utility substations through advanced protective relay testing, commissioning, and maintenance activities. This position is ideal for professionals with a utility background who have hands‑on experience testing and commissioning transmission and distribution protection systems. You will serve as a technical lead in the field, guide crews through complex outage work, and reinforce Asplundh’s reputation for safety, precision, and service excellence.

What You’ll Do

• Lead job briefings and safety tailboards, reinforcing a “Safety First, Always” field culture
• Perform protective relay testing, calibration, troubleshooting, and commissioning on medium‑ and high‑voltage systems
• Test and validate transmission and distribution protection schemes, including: Distance, differential, overcurrent, breaker failure, and bus protection
• Verify control and protection circuits for: Power transformers, medium‑ and high‑voltage circuit breakers, feeder relays, capacitor banks and reactors
• Support outage planning, switching coordination, energization, and restoration activities
• Perform event analysis, relay target review, and disturbance investigations
• Lead and mentor onsite technicians; coordinate work execution with project managers, system operators, and utility customers
• Create and maintain accurate test reports, as‑left settings, and field documentation
• Serve as a technical resource and trainer for developing relay technicians
• Participate in job walks, project estimating, and customer technical discussions

Who We Are

Asplundh Electrical Testing (AET) has been a leading provider of independent electrical testing services since 1981. Headquartered in Foxboro, MA, with regional offices across the country, AET specializes in substation commissioning, acceptance testing, and maintenance for clients in electrical transmission, distribution, and generation. As a NETA-certified company and a member of Asplundh Engineering Services—a subsidiary of Asplundh Infrastructure Group—AET is committed to delivering reliable, high-quality services at competitive prices.

Benefits

• Medical, dental, and vision coverage starting on day one
• Retirement plan to help you secure your future
• Company‑provided life insurance for added peace of mind
• Supplemental life insurance options, including spouse and child coverage
• A variety of voluntary Aflac supplemental insurance programs
• Long‑term disability coverage
• Pre‑paid legal plan
• Employee Assistance Program (EAP) to support personal and professional well‑being
• Paid time off to recharge and refresh
• Paid holidays
• Access to employee discount programs and helpful resources