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.

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

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 qualified well‑being

Paid time off to recharge and refresh

Paid holidays

Access to employee discount programs and helpful resources

Benefits listed above are available to eligible employees. Eligibility requirements and plan provisions apply

An Equal Opportunity Employer.

Individuals with a disability who desire a reasonable accommodation can contact the ADA Coordinator by calling 1-(phone hidden). We partner with the Department of Homeland Security/U.S. Customs and Immigration Service to e‑Verify all newly hired employees.

#J-18808-Ljbffr

📌 Senior Relay Technician - Utility & High-Voltage Protection - Union (Ontario)
🏢 Asplundh Electrical Testing
📍 Ontario