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Transformer Testing Jobs in Ontario (NOW HIRING)

... transformers, filters, loads, sensors, protection circuits, and controller interfaces. The ... testing, fault injection, communication testing, performance verification, data analysis, and ...

And at Vale Base Metals, we are transforming our business to provide a secure and responsible ... Execute testing cycles, document outcomes, identify defects, and support defect resolution.

And at Vale Base Metals, we are transforming our business to provide a secure and responsible ... Execute testing cycles, document outcomes, identify defects, and support defect resolution.

And at Vale Base Metals, we are transforming our business to provide a secure and responsible ... Execute testing cycles, document outcomes, identify defects, and support defect resolution.

And at Vale Base Metals, we are transforming our business to provide a secure and responsible ... Execute testing cycles, document outcomes, identify defects, and support defect resolution.

And at Vale Base Metals, we are transforming our business to provide a secure and responsible ... Execute testing cycles, document outcomes, identify defects, and support defect resolution.

HV Electrical Technician

London, ON ยท On-site

$41.50 - $50/hr

... testing, commissioning, maintenance, and repair of high voltage electrical systems (typically 5kV to 44kV+) including substations, transformers, switchgear, and transmission/distribution ...

... testing, commissioning, maintenance, and repair of high voltage electrical systems (typically 5kV to 44kV+) including substations, transformers, switchgear, and transmission/distribution ...

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Transformer Testing information

See Ontario salary details

$10

$30

$60

How much do transformer testing jobs pay per hour?

As of Jul 4, 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 are the 4 types of transformers?

In transformer testing roles, the four main types of transformers are power transformers, distribution transformers, instrument transformers, and specialty transformers. Power transformers are used in transmission networks, distribution transformers step down voltage for consumers, instrument transformers provide measurement and protection functions, and specialty transformers serve specific applications like isolation or impedance matching. Understanding these types helps ensure proper testing and maintenance in electrical systems.

What are the key skills and qualifications needed to thrive in the Transformer Testing position, 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 if working overtime or in industrial environments.

What is a Transformer Testing job?

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.

Is there a legit product tester job?

A product tester job involves evaluating products for quality, functionality, and safety, often requiring attention to detail and reporting skills. These roles can be found with manufacturers, market research firms, or online testing platforms, and may require basic knowledge of the product category and sometimes a certification or background check. Legitimate opportunities are typically advertised through reputable companies and do not require upfront fees.

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 is a testing transformer?

A testing transformer is an electrical device used to evaluate the performance and safety of power transformers by applying controlled voltage and current conditions. It helps identify issues such as insulation failure or winding faults and is essential in quality control and maintenance processes in electrical testing environments.
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:
Infographic showing various Transformer Testing job openings in Ontario as of June 2026, with employment types broken down into 10% As Needed, 73% Full Time, 10% Part Time, and 7% Temporary. Highlights an 83% Physical, 3% Hybrid, and 14% Remote job distribution, with an average salary of $63,901 per year, or $30.7 per hour.
Senior High Voltage Electrical Technician

Senior High Voltage Electrical Technician

Spark Power

Burlington, ON โ€ข On-site

CA$50 - CA$60/hr

Full-time

Medical, Dental, Vision

Posted 20 days ago


Job description

Senior High Voltage Electrical Technician

Spark Power, a trusted partner in power in North America, is looking for a High Voltage (NETA) Technician within the GTA area. As a High Voltage (NETA) Technician, you will be performing a wide range of electrical testing, maintenance, and commissioning activities, and playing a crucial role in ensuring the safety and reliability of our clients' electrical systems.

What will you do you as Senior High Voltage Electrical Technician?

  • Conduct electrical testing and commissioning on a variety of power systems, including transformers, circuit breakers, protective relays, switchgears, and other electrical apparatuses.
  • Maintain and Commission Power distribution equipment including Power Transformers, Circuit Breakers, HV Switches, HV/MV/LV Cables and Instrument Transformers
  • Perform field testing, verification and programming of various Low Voltage Trip Units from manufacturer such as GE, Eaton, Schneider, Siemens, and ABB
  • Familiar with Electrical lockout/Tag out procedure and have Electrical Safety Awareness
  • Read and interpret electrical AC & DC schematics, AC three-line, logic diagrams and SLDs
  • Inspect, test, operate and troubleshooting AC & DC control
  • Be familiar with industry Codes and Standards (OESC, IEEE, NETA)
  • Ability and willingness to travel for out-of-town commissioning or maintenance projects
  • Familiar with testing different types of high voltage and low voltage equipment.
  • Report, record, compute and process electrical test information in accordance with accepted standard practices
  • Co-ordinate the day-to-day functions on a job-by-job basis, such as but not limited to, compliance with all Health and Safety standards and regulations, availability of necessary resources such as manpower, equipment and materials, resolving conflicts, timely and accurate submission of paperwork
  • Co-ordinate sales efforts with Branch Manager, such as but not limited to, repeat business, quotations and customer contact.

Spark Power Employee Benefits and Perks:

  • Competitive wages
  • Excellent benefit package (Medical, Dental, Vision, Extended Health, Disability) and wellness spending account option
  • RRSP
  • Company vehicle
  • Career advancement and mentorship opportunities
  • Diverse and exciting industrial, commercial and institutional projects and customer base
  • Growing company with consistent work
  • Continuous training and skills improvement
  • Paid uniforms
  • Paid tooling plus up to $200 annual tool allowance
  • .and much more

Do you have the Spark? Here's what we're looking for:

  • Post secondary degree or diploma in Electrical Engineering Technology
  • Minimum of 3 years' experience with high voltage testing, troubleshooting, maintenance and commissioning
  • NETA 2 or NETA 3 is a definite asset
  • Required to provide emergency services to the company's customers on short notice
  • Required to provide scheduled "On Call" services on a rotation basis
  • Required to work in industrial and outdoor substation environment. Services will be performed within Health and Safety standards and regulations
  • Knowledge/Experience using Doble M4100 to perform transformer diagnostic tests
  • Knowledge/Experience Testing Low Voltage Trip Unit
  • Knowledge/Experience of Testing Current and Potential Transformers
  • Knowledge/Experience of performing HV/MV Circuit Breaker Timing Tests

Who is Spark Power?

Spark Power is the leading independent provider of end-to-end electrical services and operations and maintenance services to the industrial, utility, and renewable asset markets in North America. We work to earn the right to be our customers' Trusted Partner in Power. Our highly skilled and dedicated people, located in the communities we serve, combined with our knowledge of the power industry, technology expertise, and commitment to safety, ensures we deliver the right solutions that keep our customers' operations up and running today and better equipped for tomorrow.

Spark Power welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

Artificial intelligence tools may be used to support parts of the recruitment and selection process, including application screening