Senior Relay Technician - Utility & High-Voltage Protection - Union

Senior Relay Technician – Utility & High‑Voltage Protection Asplundh Electrical Testing Location: Temecula, CA, United States At Asplundh Electrical Testing , safety is the foundation of everything we do. The Senior Relay Technician ensures 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. Participate in job walks, project estimating, and customer technical discussions. Serve as a technical resource and trainer for developing relay technicians. Travel Requirements Work is performed at customer sites throughout the assigned region. Regular regional travel is required, with opportunities for extended assignments outside the region as needed. Company vehicle provided for regional work‑related travel. What You Bring 5+ years of hands‑on experience in protective relaying for utility substations. Demonstrated experience testing medium‑ to high‑voltage (5 kV–500 kV) protection systems. Strong working knowledge of microprocessor‑based relays and modern relay test platforms. Solid understanding of utility safety rules, energized work practices, and lockout/tagout procedures. Ability to interpret protection diagrams, AC/DC schematics, and wiring and logic drawings. Valid driver’s license; ability to work outdoors, travel, and lift up to 70 lbs. Education & Credentials NETA Level III or IV Certification preferred for Senior roles. Experience with power transformers, switchgear, RTUs, and substation communications. Technical degree, apprenticeship, or military electrical training. OSHA 10 or OSHA 30 certification. Valid driver’s license with a clean driving history. What We Offer Eligible employees enjoy a comprehensive benefits package designed to support health, financial security, and work‑life balance, including medical, dental, and vision coverage starting on day one; retirement plan; company‑provided life insurance; supplemental life insurance options; voluntary Aflac supplemental insurance programs; long‑term disability coverage; prepaid legal plan; employee assistance program; paid time off; paid holidays; and access to employee discount programs. Benefits listed above are available to eligible employees. Eligibility requirements and plan provisions apply. For roles within union‑represented territories, benefits and employment terms may differ; local union agreement will guide the specific terms. 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. AET is NETA‑certified and a member of Asplundh Engineering Services, a subsidiary of Asplundh Infrastructure Group. Our Commitment We believe in tackling challenges together with our customers, leveraging collective experience and resources to achieve success in every project. Equal Opportunity Employer We are an Equal Opportunity Employer. Individuals with a disability who desire a reasonable accommodation can contact the ADA Coordinator. We use E‑Verify for all newly hired employees. All job offers are subject to pre‑employment drug screening and a background check. No visa sponsorship is offered for this position. Notice to Agencies: We only accept resumes from recruiters or staffing services if a Service Agreement has been signed and we have requested recruitment services for the specific position. Any unsolicited resumes will become the property of the company, and no fees or compensation will be paid. #J-18808-Ljbffr