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Transformer Testing Jobs in Texas (NOW HIRING)

POWERX

P&C Test Engineer

Dallas, TX · On-site

Field Testing and Commissioning * Perform field testing including relay protection testing, breaker testing, power transformer testing, instrument transformer testing, and control circuit ...

TekSky

Electrical Field Service Technician

Alvin, TX · On-site

Position Overview • Perform testing, commissioning, maintenance, and troubleshooting of electrical systems. • Work on relays, transformers, switchgear, and medium voltage breakers. • Ensure ...

Hitachi

Field Service Technician Class C

Houston, TX · On-site

Support site transformer testing activities. * Responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines. Your Background * Candidate must already ...

NASS USA

Field Service Technician II

Dallas, TX · On-site

$27 - $35/hr

Core services include transformer assembly, oil processing, regasket and lifeextension work, substation apparatus testing, and highvoltage equipment maintenance to ensure safe, reliable system ...

NASS USA

Field Service Technician III

Dallas, TX

$32 - $46/hr

Core services include transformer assembly, oil processing, regasket and lifeextension work, substation apparatus testing, and highvoltage equipment maintenance to ensure safe, reliable system ...

Dashiell

Senior Technician

Abilene, TX · On-site

Direct and oversee testing and commissioning of all power apparatus including power transformers, current transformers, potential transformers, medium- and high-voltage circuit breakers, and ...

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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 popular job titles related to Transformer Testing jobs in Texas?

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

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

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

What cities in Texas are hiring for Transformer Testing jobs?

Cities in Texas with the most Transformer Testing job openings:

Transformer Testing jobs near you
Infographic showing various Transformer Testing job openings in Texas as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 2% Hybrid, and 9% Remote job distribution.

Substation Services Technician - (Remote / Travel)

NovaSource Power

Houston, TX • On-site

$43 - $58/hr

Full-time

Posted 23 days ago

Job description

About NovaSource

NovaSource Power Services is the world’s #1-ranked solar operations and maintenance (O&M) provider and insight-driven total asset optimization partner for renewables asset owners ready to fuel smart growth. With over 20 years of operating experience and a presence on 5 continents, NovaSource has the global reach and strategic capabilities to achieve our clients’ renewables goals around the world. 

NovaSource’s comprehensive approach to total asset optimization in addition to O&M services includes value engineering, performance analysis, strategic supply chain management, and advanced monitoring systems. The company operates in key global markets managing over 30GW of solar power plants. NovaSource’s expertise extends beyond solar and includes battery energy storage systems (BESS), offering a complete suite of services for the evolving renewable energy landscape.

Position Summary

The Substation Services Technician performs specialized testing, diagnostics, maintenance, installation, and commissioning support on medium- and high-voltage electrical equipment supporting utility-scale renewable energy facilities and substations.

This position is responsible for executing advanced electrical testing, performing preventative and corrective maintenance, troubleshooting equipment issues, supporting planned and emergency outages, and providing technical recommendations to improve asset reliability and performance.

The ideal candidate has experience with substation equipment, transformer diagnostics, electrical testing, and utility work practices. Experience with Doble testing equipment, protective relays, and substation commissioning is highly desirable.

This position requires travel throughout North America (approximately 75–80%) in support of customer projects.


Primary Responsibilities

Electrical Testing & Diagnostics

Perform diagnostic testing and condition assessments of substation equipment including:

  • Transformer Turns Ratio (TTR) 
  • Sweep Frequency Response Analysis (SFRA) 
  • Excitation Current Testing 
  • Capacitance Testing 
  • Power Factor / Dissipation Factor Testing 
  • Bushing Capacitance & Power Factor Testing 
  • Insulation Resistance (Megger) Testing 
  • Contact Resistance (Ductor) Testing 
  • Medium-Voltage Cable Insulation Testing 
  • Transformer Condition Assessments 
  • Diagnostic Test Analysis & Interpretation 

Preventive & Corrective Maintenance

  • Conduct mechanical inspections 
  • Torque verification 
  • Equipment removal and installation 
  • Equipment replacement 
  • Electrical troubleshooting 
  • Failure investigations 
  • Lead and support planned outage
  • Emergency response 
  • Perform maintenance activities on:
    • Generator Step-Up (GSU) Transformers 
    • Medium-Voltage Transformers 
    • Disconnect & Hook Switches 
    • Capacitor Bank Switchers 
    • Bushings 
    • Medium-Voltage Cable Systems 
    • Electrical Connections & Terminations 

Field Operations

  • Coordinate subcontractors and specialty vendors 
  • Support commissioning and return-to-service activities 
  • Develop detailed field reports 
  • Document test results and maintenance findings 
  • Provide technical recommendations for repair or replacement 

Safety & Compliance

  • Perform all work in accordance with OSHA 1910.269, NFPA 70E, NESC, and company safety procedures. 
  • Conduct Job Hazard Analyses (JHAs) and support a strong electrical safety culture. 
  • Follow Lockout/Tagout, grounding, and switching procedures. 
  • Maintain company quality and documentation standards. 


Minimum Qualifications 

Experience

  • High School diploma or equivalent
  • 5+ years of medium- and high-voltage electrical experience 
  • 3+ years performing substation, utility, industrial, or renewable energy maintenance 
  • 2+ years of experience testing and maintaining transformers, disconnect switches, and substation equipment 
  • Experience interpreting electrical test results and equipment condition 

Preferred:

  • Formal technical education such as Journeyman Electrician or Electrical Technician certification or military electrical training 
  • Transformer Testing Training 
  • Protective Relay Test Sets NETA certification 
  • SEL, ABB, GE, Siemens, or Schweitzer relay training 
  • Utility and/or renewable energy substation experience 
  • Independent electrical testing company experience 
  • Commissioning experience 

Technical Knowledge

Working knowledge of:

  • Utility substations 
  • Transformer diagnostics 
  • Transformer maintenance 
  • Protective devices 
  • Medium-voltage cable systems 
  • Grounding systems 
  • Electrical switching 
  • Lockout/Tagout 
  • Arc Flash Safety 
  • NETA testing practices 
  • Transformer oil sampling 
  • Electrical drawings and schematics 

Test Equipment Experience

Experience operating or familiarity with:

  • Doble M4100 / M7100 
  • Megger Insulation Resistance Testers 
  • Transformer Turns Ratio Test Equipment 
  • Digital Low Resistance Ohmmeters (DLRO / Ductor) 
  • Process Calibrators 


Preferred Qualifications

Essential Skills

  • Electrical troubleshooting 
  • Transformer diagnostics 
  • Technical report writing 
  • Root cause analysis 
  • Reading electrical drawings 
  • Customer communication 
  • Team leadership 
  • Project coordination 
  • Computer proficiency (Microsoft Office & CMMS) 

Physical Requirements

  • Work in outdoor environments for extended periods 
  • Lift up to 50 pounds 
  • Climb ladders and structures 
  • Work from manlifts and telehandlers 
  • Wear required PPE 
  • Walk on uneven terrain 
  • Travel up to 80% 

Future Growth Opportunities

As the Substation Services group expands, technicians will have opportunities to develop expertise in:

  • Protective Relay Testing 
  • Circuit Breaker Testing 
  • CT/PT Testing 
  • Transformer Commissioning 
  • Acceptance Testing 
  • Advanced Doble Diagnostics 
  • NETA-based Testing Programs


US: Diversity Statement – Equal Employment Opportunity

It is NovaSource’s policy to provide equal employment opportunity to all applicants and employees. NovaSource disapproves of, and will not tolerate, unlawful discrimination against any applicant or employee because of race, color, national origin or ancestry, gender (including pregnancy, childbirth, or related medical conditions), gender identity, age, religion, disability, family care status, veteran status, marital status, sexual orientation, or any other basis protected by local, state or federal laws.