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Transformer Testing Jobs (NOW HIRING)

Vertiv Co

Electrical Tester

Anderson, SC · On-site

$16.50 - $20.75/hr

* Perform all aspects of testing and maintenance of electrical Switchgear systems. * Perform instrument transformer tests, power transformer testing, automatic transfer switch troubleshooting ...

Vertiv Group Corp.

Electrical Tester

Anderson, SC · On-site

$16.50 - $20.75/hr

* Perform all aspects of testing and maintenance of electrical Switchgear systems. * Perform instrument transformer tests, power transformer testing, automatic transfer switch troubleshooting ...

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Transformer Testing information

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How much do transformer testing jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for transformer testing in the United States is $34.08, according to ZipRecruiter salary data. Most workers in this role earn between $27.16 and $39.42 per hour, depending on experience, location, and employer.

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 if working overtime or in industrial environments.

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.

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Transformer Testing jobs near you
Infographic showing various Transformer Testing job openings in the United States as of August 2026, with employment types broken down into 3% As Needed, 91% Full Time, 3% Part Time, and 3% Contract. Highlights an 97% In-person, and 3% Remote job distribution, with an average salary of $70,880 per year, or $34.1 per hour.

Transformer Technician

Shermco Industries, Inc.

Houston, TX • On-site

$35 - $55/hr

Full-time

Re-posted 7 days ago

Job description

Overview
Company Overview:
Shermco is North America's largest and fastest-growing electrical testing organization accredited by the InterNational Electrical Testing Association across the U.S. and Canada. Trusted since 1974, Shermco specialize in electrical testing, maintenance, repair, engineering solutions, and NETA-accredited field services. Our teams support a wide range of industries - from data centers and utilities to industrial manufacturing, oil and gas, chemicals, renewables. We provide a full suite of services including field services, power systems engineering, control systems integration, breaker and switchgear refurbishment, motor and generator repair.
Position Summary:
The HV Transformer Technician is responsible for performing field based work (70% travel) on power transformers and related high-voltage equipment. This role includes full transformer dress-out, assembly, testing support, oil processing, vacuum filling, and maintenance activities. The technician ensures all work is completed safely, efficiently, and in compliance with industry standards and company procedures.
Responsibilities
Transformer Assembly & Dress-Out
  • Perform complete dress-out of power transformers, including installation of radiators, bushings, fans, pumps, wiring, conservators, gauges, and auxiliary equipment.
  • Assemble and torque all bolted connections per OEM specifications.
  • Install gaskets, seals, and accessory components to ensure leak-free operation.
  • Execute mechanical and electrical assembly tasks during transformer installation or refurbishment.
  • Assist with removal/dress-down during transformer decommissioning.

Oil Processing & Fluid Management
  • Operate transformer oil processing equipment, including vacuum dehydrators, filtration systems, and degasification units.
  • Perform vacuum pulls, leak checks, and vacuum hold tests on transformer tanks and components.
  • Conduct hot oil circulation, fill-ups, and temperature-controlled oil handling.
  • Take fluid samples and perform or assist with dielectric, moisture, and DGA testing.
  • Maintain oil cleanliness standards (e.g., moisture ppm, particulate levels) according to OEM and industry requirements.

Testing & Commissioning Support
  • Support field test teams with electrical testing preparation (e.g. Power Factor, IR, TTR, winding resistance, SFRA).
  • Assist in monitoring transformer parameters during energization and commissioning.
  • Use instrumentation and hand tools to support diagnostic and maintenance tasks.

Safety & Compliance
  • Follow all safety protocols, including lockout/tagout, PPE, and rigging procedures.
  • Maintain compliance with OSHA, NFPA 70E, NETA, and company safety standards.
  • Participate in job hazard analyses, tailgate meetings, and safety audits.
  • Ensure all documentation, field reports, and work orders are completed accurately.

Equipment & Tool Management
  • Maintain oil rigs, pumps, hoses, gauges, and dress-out tools in proper working condition.
  • Perform basic troubleshooting and maintenance on processing and auxiliary equipment.
  • Assist with mobilization and demobilization of tools, trailers, and field equipment.

Qualifications
Required:
  • 6+ years of experience working with power transformers or high-voltage electrical equipment
  • Knowledge of transformer construction, components, and field service processes
  • Experience with oil processing equipment (vacuum rigs, filters, pumps)
  • Ability to read and interpret OEM drawings, schematics, and wiring diagrams
  • Strong mechanical aptitude and understanding of electrical safety
  • Valid driver's license and willingness to travel
  • CDL and experience operating forklifts/rigging equipment

Preferred:
  • Experience with transformer testing or utility/substation environments
  • NETA, OSHA 30, or transformer OEM training certifications

Physical Requirements:
  • Ability to lift up to 50 lbs.
  • Comfortable working outdoors at substations, industrial sites, and power plants
  • Ability to climb ladders, work at heights, and stand for extended periods
  • Willingness to work overtime, weekends, and out-of-town assignments as required

Core Competencies:
  • Strong attention to detail
  • Safety-first mindset
  • Mechanical and electrical troubleshooting
  • Effective communication and teamwork
  • Professionalism with customers and crew members

EQUAL OPPORTUNITY EMPLOYER | DRUG-FREE WORKPLACE
Shermco is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status. Shermco is a drug-free workplace.
NO AGENCIES PLEASE
Pay Range
USD $35.00 - USD $55.00 /Hr.

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