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Transformer Testing Jobs in Ontario (NOW HIRING)

Aerotek

Electrical Testing Technician

Brampton, ON

Perform routine and special tests on transformers, power metering products, power distribution ... Maintain organized and efficient testing bays, ensuring materials, tools, and equipment are ...

Mercata

Equity Analyst for User Testing

Toronto, ON · On-site

This is a short user-testing engagement (not an employment role). About Mercata Mercata is an AI ... We transform the flood of fragmented financial information into a structured, time-aware ...

Eaton

Electrical Tester

Milton, ON · On-site

CA$25 - CA$30/hr

Inspect coordination between the manufactured units and other equipment (transformers, MCC, etc ... Perform electrical functional test and/or testing to simulate field conditions. Troubleshoot and ...

Hammond Power Solution

$146 - $196/hr

Extensive knowledge in electrical testing of transformers/reactors * Strong knowledge in design, manufacturing, application and testing of electrical transformers * Experience working with ISO9001 ...

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How much do transformer testing jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for transformer testing in Ontario is $30.72, according to ZipRecruiter salary data. Most workers in this role earn between $18.03 and $41.11 per hour, depending on experience, location, and employer.

What is a transformer testing?

A Transformer Testing job involves inspecting, evaluating, and ensuring the proper functioning of electrical transformers. This includes testing parameters like insulation resistance, winding resistance, turns ratio, and oil quality to identify faults or inefficiencies. Professionals in this role use specialized equipment and follow industry standards to maintain transformer reliability. They may work in manufacturing, power plants, or service companies to ensure transformers operate safely and efficiently.

What are the typical daily responsibilities of someone working in transformer testing?

Professionals in Transformer Testing typically spend their days performing electrical tests on new, repaired, or in-service transformers to assess their health and ensure compliance with industry standards. Their work includes setting up test equipment, recording and interpreting test data, and troubleshooting any detected issues. Collaboration with engineers, maintenance personnel, and safety teams is common to coordinate testing schedules and report findings. Additionally, they may be responsible for preparing detailed test reports and recommending corrective actions if potential faults are identified. This role offers a dynamic mix of hands-on technical tasks and teamwork, ideal for those who enjoy problem-solving and working in industrial or power utility environments.

What are the key skills and qualifications needed to thrive in transformer testing, and why are they important?

Excelling in Transformer Testing requires a strong background in electrical engineering, knowledge of transformer operations, and hands-on experience with diagnostic and testing procedures. Familiarity with testing equipment such as insulation resistance testers, turns ratio testers, and adherence to industry standards like IEC or IEEE is essential, and certifications in electrical safety or high-voltage testing are often preferred. Attention to detail, strong problem-solving abilities, and effective communication skills help professionals identify faults and work collaboratively with maintenance or engineering teams. These competencies are crucial for ensuring transformer reliability, safety, and compliance with industry and regulatory requirements.

How much do transformer testers make?

Transformer testers typically earn between $50,000 and $80,000 annually, depending on experience, certifications, and location. Entry-level positions may start lower, while experienced technicians with specialized skills can earn higher salaries, especially in industrial or utility settings.

What are popular job titles related to Transformer Testing jobs in Ontario?

For Transformer Testing jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Transformer Testing jobs in Ontario look for?

The top searched job categories for Transformer Testing jobs in Ontario are:

Transformer Testing jobs near you
Infographic showing various Transformer Testing job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $63,901 per year, or $30.7 per hour.

Power Transformer Test Engineer

Northern Transformer

Maple, ON • On-site

Full-time

Re-posted 20 days ago

Job description


Power Transformer Test Engineer

Northern Transformer is a Canadian-owned, fast growing manufacturer of substation and mobile power transformers.  Our team delivers transformers of the highest quality through superior design, quality workmanship and attention to our clients’ individual needs. 

In this role, you will provide overall test bay support, creating and executing test plans for high power transformers to ensure their functionality and reliability. This role involves a deep understanding of power transformer technology and testing methodologies. 

DUTIES AND RESPONSIBILITIES:

  • Reviewing customer specifications with engineering and marketing during project review to verify all testing requirements necessary for the transformer.
  • Prepare and submit appropriate transformer test plans to customer.
  • Analyze, select and maintain appropriate test equipment required to perform transformer tests according to ANSI, IEC and IEEE testing standards.
  • Develop internal test procedures that optimize transformer testing activities.
  • Provide guidance, training and support to test technicians performing transformer tests.
  • Support scheduling time forecasts required for transformer testing.
  • Diagnose and analyze test results to help resolve issues related to transformer performance by identifying potential product defects or equipment deficiencies.
  • Remain aware of all advancements in transformer testing technologies and standards.

QUALIFICATIONS:

  • Degree from an accredited four (4) year university or college, or equivalent combination of education and experience. (Ontario P.Eng accreditation preferred)
  • Minimum of three (3) years of transformer manufacturing experience.
  • Have current work authorization for employment in Canada
  • Ability to learn and improve processes.
  • Excellent verbal and written communication skills
  • Highly competent in teamwork and collaboration
  • Passionate and energetic self-starter

BENEFITS:

  • Competitive salary and benefits package 

  • Clean, modern, and friendly working environment