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Transformer Tester Jobs (NOW HIRING)

Semiserve

Transformer Technician

Humboldt, TN

$17.75 - $24.25/hr

Work side-by-side with the Field Service team to support transformer maintenance, testing, and repair activities * Help prepare tools, equipment, and job sites before and during projects * Assist ...

Integrated Power Services

Transformer Repair

Denver, CO

$27.98 - $45.60/hr

Preferred not required - 2 years or more experience in high voltage transformer testing - HiPot, load-loss/no-load-loss, impedance, impulse, temperature rise, etc. * Preferred not required - 3 years ...

Integrated Power Services

Transformer Repair

Denver, CO · On-site

Preferred not required - 2 years or more experience in high voltage transformer testing - HiPot, load-loss/no-load-loss, impedance, impulse, temperature rise, etc. * Preferred not required - 3 years ...

Integrated Power Services

Transformer Repair

Denver, CO · On-site

$27.98 - $45.60/hr

Preferred not required - 2 years or more experience in high voltage transformer testing - HiPot, load-loss/no-load-loss, impedance, impulse, temperature rise, etc. * Preferred not required - 3 years ...

Integrated Power Services

Transformer Repair

Denver, CO

$27.98 - $45.60/hr

Preferred not required - 2 years or more experience in high voltage transformer testing - HiPot, load-loss/no-load-loss, impedance, impulse, temperature rise, etc. * Preferred not required - 3 years ...

Integrated Power Services

Transformer Repair

Denver, CO · On-site

$27.98 - $45.60/hr

Preferred not required - 2 years or more experience in high voltage transformer testing - HiPot, load-loss/no-load-loss, impedance, impulse, temperature rise, etc. * Preferred not required - 3 years ...

Integrated Power Services

Transformer Repair

Denver, CO · On-site

$27.98 - $45.60/hr

Preferred not required - 2 years or more experience in high voltage transformer testing - HiPot, load-loss/no-load-loss, impedance, impulse, temperature rise, etc. * Preferred not required - 3 years ...

Delta Star, Inc.

Tester B DSW

San Carlos, CA · On-site

$33.44 - $34.09/hr

The largest, American-owned medium power transformer manufacturer in the United States and the ... What You'll Do As a Tester, you'll play a hands-on role in performing control circuit and ...

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Transformer Tester information

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How much do transformer tester jobs pay per hour?

As of Jul 3, 2026, the average hourly pay for transformer tester in the United States is $38.36, according to ZipRecruiter salary data. Most workers in this role earn between $21.39 and $50.72 per hour, depending on experience, location, and employer.

What is a testing transformer?

A testing transformer is a device used by transformer testers to evaluate the performance and integrity of electrical transformers. It helps measure parameters such as voltage, current, and insulation resistance to ensure proper operation and safety. Testing often involves specialized equipment and adherence to industry standards.

What does a typical workday look like for a Transformer Tester?

A typical workday for a Transformer Tester involves conducting electrical tests on transformers to validate performance and detect faults, both in the field and in manufacturing or repair facilities. You’ll routinely prepare test setups, operate diagnostic equipment, record and analyze results, and collaborate with engineers and maintenance personnel to address any issues identified. The role may require some travel to customer sites or substations, and often involves working as part of a team to adhere to safety protocols and project timelines. This hands-on, detail-focused environment provides opportunities to develop specialized technical expertise and progress into senior testing, quality assurance, or supervisory positions over time.

What is the 80% rule for transformers?

The 80% rule for transformers refers to the guideline that a transformer should operate at no more than 80% of its rated capacity to ensure reliability and prevent overheating. Transformer testers often verify this by measuring load and temperature during testing to confirm safe operating limits, especially in maintenance and troubleshooting tasks.

Is there a legit product tester job?

A transformer tester job is a legitimate role in electrical testing and maintenance, involving inspecting and evaluating transformers for safety and performance. These positions typically require technical skills, knowledge of electrical systems, and sometimes certifications such as OSHA or electrical licenses. Such jobs are often found in utility companies, manufacturing, or maintenance firms and are generally stable employment opportunities.

What are the key skills and qualifications needed to thrive in the Transformer Tester position, and why are they important?

To thrive as a Transformer Tester, you need a solid understanding of electrical theory, troubleshooting skills, and a background in electrical engineering or a related technical field. Experience with testing equipment such as power analyzers, insulation resistance testers, winding resistance meters, and knowledge of safety standards like OSHA or NETA certification is highly valuable. Strong attention to detail, problem-solving abilities, and clear communication are important soft skills in this role. These skills ensure accurate diagnosis, safe operations, and effective teamwork in high-stakes testing environments.

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 wages, especially if working overtime or in industrial environments.

What is a Transformer Tester job?

A Transformer Tester is responsible for inspecting, testing, and diagnosing electrical transformers to ensure they function properly and meet industry standards. This job involves using specialized testing equipment to measure parameters like voltage, insulation resistance, and load performance. Transformer Testers work in manufacturing plants, utility companies, or service organizations, performing quality control and troubleshooting electrical faults. They also document test results and collaborate with engineers to recommend repairs or improvements. Strong technical skills in electrical testing and safety procedures are essential for this role.

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Transformer Tester jobs near you
Infographic showing various Transformer Tester job openings in the United States as of June 2026, with employment types broken down into 25% As Needed, and 75% Full Time. Highlights an 100% In-person job distribution, with an average salary of $79,791 per year, or $38.4 per hour.
Transformer Technician

Transformer Technician

Shermco Industries, Inc.

Birmingham, AL

$35 - $55/hr

Full-time

Posted 23 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 NETAaccredited 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 dressout, 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 & DressOut

  • Perform complete dressout 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 leakfree operation.
  • Execute mechanical and electrical assembly tasks during transformer installation or refurbishment.
  • Assist with removal/dressdown 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, fillups, 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 dressout 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 highvoltage 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 outoftown 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 RangeUSD $35.00 - USD $55.00 /Hr.Employment Type: FULL_TIME

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