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Transformer Testing Jobs in Ohio (NOW HIRING)

Group-CBS

Field Service Technician

Toledo, OH · On-site

$52 - $76/hr

Maintain tools, test equipment, and service vehicles in clean and organized condition Electrical testing support * Assist with transformer testing, including insulation resistance, winding resistance ...

Aep

Station Electrician C - A

Hanging Rock, OH · On-site

$20.75 - $28.50/hr

... for transformer testing, etc. * Assist in station switching including use of radio communication and/or direct instruction from higher classification, assist in checking equipment clearances and ...

New

Group CBS

Field Service Technician

Toledo, OH

Maintain tools, test equipment, and service vehicles in clean and organized condition Electrical testing support * Assist with transformer testing, including insulation resistance, winding resistance ...

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Transformer Testing information

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 the most commonly searched types of Transformer Testing jobs in Ohio?

The most popular types of Transformer Testing jobs in Ohio are:

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

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

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

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

Transformer Testing jobs near you
Infographic showing various Transformer Testing job openings in Ohio as of August 2026, with employment types broken down into 5% As Needed, 79% Full Time, 8% Part Time, and 8% Contract. Highlights an 92% In-person, and 8% Remote job distribution.

Senior Electrical Test Engineer

The AES Corporation

Dayton, OH • On-site

$104K - $136K/yr

Full-time

Re-posted 12 days ago

AES Corporation rating

7.5

Company rating: 7.5 out of 10

Based on 37 frontline employees who took The Breakroom Quiz

37th of 53 rated energy and utility

Job description

Are you ready to be part of a company that's not just talking about the future, but actively shaping it? Join The AES Corporation, the largest US-based global power company with a team of 8,300 employees across 12 countries.
AES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the US and Americas for five consecutive years, providing electricity for millions of people worldwide.
We are proud to foster a strong workplace culture, earning prominent positions in Great Place to Work™ rankings across the markets where we operate. AES was also named one of the World's Most Ethical Companies for the 13th consecutive year in 2026, highlighting our dedication to integrity, transparency, and responsible business practices.
Our spirit of innovation continues to earn industry recognition. AES is the only seven-time winner of the Edison Electric Institute's Edison Awards in the twenty-first century, a distinction honoring global leadership in advancing the electric power industry.
If you're ready to be part of a company that's not just adapting to change, but driving it, AES is the place for you. We're not just building a more sustainable future, we're powering it. Apply now and energize your career with a true leader in global energy.
We're looking for a Senior Electrical Test Engineer to join our team in Dayton:
Under direct or general supervision, responsible for general and specific assignments involving complex and extensive types of plans, investigations, surveys, structures, equipment and operating problems. Employing extensive and diversified knowledge of engineering principles and practices and devising new approaches to problems encountered, plans, schedules and coordinates detailed phases of major projects such as equipment design and development, materials tests, preparation of specifications, applications studies, analyses of system or process troubles, research investigations, system planning studies and preparation of technical reports. Responsible for overseeing and managing complex projects. Duties require a complete knowledge of accepted practices in the areas of all substation equipment, protective relaying systems, reclosers, regulators, capacitors and broad knowledge of principles and practices in related specialties in order to resolve a variety of highly complex problems, such as conflicting design requirements, unsuitability of standard materials and difficult coordination requirements. Duties also require project management skills, employee development and training. Has supervisory guidance in terms of specific objectives and critical issues and has authority to make independent decisions on engineering practices and methods.
Main Responsibilities:
  • Technician training and development:
    • Assess employee skill level across all job functions and identify development areas.
    • Set up training for all equipment and testing for such things as substation entry, transformers, breakers, reclosers, CCVT's, RTU's, capacitors, regulators, MOABS, batteries, and all protective relaying systems.
    • Set up training for test equipment/processes for such things as relay testing/commissioning, power factor testing, recloser testing, contact resistance testing, phasing, ground grid testing, DGA/oil sampling, meggering, hi-pot testing, carrier/TTR testing, soil resistivity testing, SFRA, and trip testing.
    • Work independently in lab with employees as needed.
  • Provide any needed training or support for Test Department supervision or other departments as needed.
  • Provide on-site oversight for projects as needed.
    • Ensure high quality work is being performed, proper procedures and policies followed, and provide technical and supervisory support as needed.
  • Provide field storm support as needed for the distribution and transmission system. Includes substation response, scouting outage/damage calls, and managing circuit restoration.
  • Provide on-site technical and supervisory support for severe emergencies, outages and other extenuating circumstances (mobile installation, transformer lockouts, equipment failures, etc)
  • Provide on-site technical support as needed for mobile substation installs, trip testing, transformer testing, troubleshooting, test equipment troubleshooting, or any other technical support need.
  • Introduce/Promote/Encourage Human Performance Concepts and Practices.
  • Develop guides/training aides for all Test Department related equipment and processes.
  • Evaluate new equipment or procedures to be used to improve safety, efficiency, and productivity. Monitor current industry practices, trends, and procedures.
  • Provide on-site technical support and consultation for substation projects being completed by contractors.
    • Periodically visit job sites to ensure contractors are following best practices and standards.

  • Assist with analyzing all test results/data and make recommendations.
    • Prioritize results and make recommendations on next steps.
    • Determine timeframe for repairs/replacements for all non-critical or emergency equipment conditions.
    • Make recommendations for long term maintenance plans for aging or deteriorated equipment.
    • Look for trends and equipment deterioration.
    • Evaluate equipment status and remaining life. Suggest and recommend equipment replacement or repair.
  • Assist with transformer factory field visits
    • Quality control inspections
    • Factory test witnessing
  • Assist with the progression testing of the employees in the Test
  • Serves as a professional representative of the Company, as assigned
  • Directs the preparation of applicable computer software

Qualifications:
  • Four Year College Degree (or equivalent) in an Electrical Engineering Field
  • Seven to ten years experience
  • Union experience, Experience in project management with demonstrated ability to lead and work in a team environment
  • Professional Engineering License preferred or Subject-Matter-Expert

AES is an Equal Opportunity Employer who is committed to building strength and delivering long-term sustainability through diversity and inclusion. Respecting all backgrounds, differences and perspectives enables us to improve the lives of our people, customers, suppliers, contractors, and the communities in which we live and work. All qualified applicants will receive consideration for employment without regard to sex, sexual orientation, gender, gender identity and/or expression, race, national origin, ethnicity, age, religion, marital status, physical or mental disability, pregnancy, childbirth, or related medical condition, military or veteran status, or any other characteristic protected under applicable law. E-Verify Notice: AES will provide the Social Security Administration (SSA) and if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.

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