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Utilities Service, LLC
Senior Relay Technician - Utility & High-Voltage Protection - Union
Career Insights for Electrical Substation / Relay Repairer
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Based on Connecticut data
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What they do
An Electrical Substation or Relay Repairer works at an electrical substation and operates equipment that controls the flow of electricity. Maintains and repairs relays or switches in a system that allows electricity from a power station to travel through the substation out to the distribution system and to customers.
$102,999 / year median in Connecticut
-4% projected decline
Job Description
- Description
- About the Role
- At •Asplundh Electrical Testing•, safety is not a priority—it is our foundation.
- 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. We are experiencing strong growth and are
- immediately hiring Senior Relay Technicians
- with deep expertise in
- protection and control, relay schemes, and substation energization
- . If you enjoy solving complex protection challenges, leading safe work execution, and influencing system reliability at scale, we'd like to speak with you. As a
- NETA‑accredited, independent electrical testing and engineering organization
- , Asplundh Electrical Testing sets the benchmark for technical excellence and unwavering safety across the
- utility, renewable energy, data center, and industrial sectors
- . Candidates must be authorized to work in the United States for any employer at the time of hire. This position is not eligible for visa sponsorship.
- 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 (5kV-500kV) protection systems•+ Strong working knowledge of •microprocessor‑based relays•+ Experience with •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 + 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 _(Candidates at other NETA levels are encouraged to apply for opportunities across the organization)_ + Experience with: + Circuit breakers + Power transformers + Switchgear + RTUs and substation communications + Technical degree, apprenticeship, or military electrical training + OSHA 10 or OSHA 30 + Valid driver's license with a clean driving history •What We Offer•At Asplundh Electrical Testing, we invest in the well‑being of our people.
- Benefits listed above are available to eligible employees. Eligibility requirements and plan provisions apply
- Please note:
- _For roles that fall within union‑represented territories, certain benefits and employment terms may differ from what's listed here. In those cases, the applicable local union agreement will guide the specific benefits and provisions. We're committed to transparency and will walk you through what applies to your location during the hiring process._
- Who We Are
- Asplundh Electrical Testing (AET) has been a leading provider of independent electrical testing services since 1981.
- An Asplundh Company
- As part of the Asplundh family, AET benefits from extensive resources and a century of experience. Together, we provide utilities with comprehensive end-to-end services, from design to construction, testing, and maintenance, ensuring reliability and peace of mind.
- Our Commitment
- At AET, we believe in tackling challenges together with our customers, leveraging our collective experience and resources to achieve success in every project.
- Important Information for
Applicants:
- + Asplundh Tree Expert, LLC and its family of companies are Equal Opportunity Employers.