Transformer Technician

Shermco Industries, Inc.•Houston, TX

6d•$35 - $55•Onsite

About The Position

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.

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

Nice To Haves

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

Responsibilities

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.
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.
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.
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.
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.