Transformer Technician

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.

Requirements

• 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

• 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.
• 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.