Transformer Technician

Shermco Industries

. Test transformers, repair leaks and replace gaskets .

Posted 10/13/2026full-timeMinooka • Illinois • United StatesMid-LevelSenior💰 $35 - $75 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in transformer maintenance, including testing, repairing, and oil processing, while adhering to electrical safety procedures. Possesses strong problem-solving skills and the ability to work safely in various environments, including substations and cabinets.

Highest-signal resume keywords

Transformer MaintenanceInsulating Oil ProcessingNETA CertificationInternal Transformer InspectionsDoble Power Factor Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Transformer TestingLeak RepairGasket ReplacementVacuum FillingOil FilteringAutomatic Load Tap Changer RepairInternal InspectionsDressing Out TransformersVacuum Dehydrator OperationData Entry

Soft Skills

Attention to DetailProblem-SolvingSafety Awareness

Tools & Technologies

Doble Power Factor Test SetPowerDBMicrosoft Excel

Certifications & Qualifications

NETA Certification IINETA Certification IIINETA Certification IV

Industry Keywords

Electrical Safety ProceduresTransformer ComponentsSubstationsOCBsHigh School DiplomaGEDPre-Employment Drug TestFit for Duty Physical ExamValid Driver’s LicenseOvernight Travel

About the role

Key responsibilities & impact

Test transformers, repair leaks and replace gaskets
Repair or replace radiators, bushings and transformer components
Work on transformers, substations and cabinets with OCBs
Conduct internal inspections and repair automatic load tap changers
Run a vacuum dehydrator
Perform oil processing, filtering or replacement

Requirements

What you’ll need

High school diploma or GED or equivalent education and experience
At least 3 years related experience
Excellent knowledge in transformer or insulating oil processing
Experience with Doble power factor test set desirable
Solid experience performing internal transformer inspections
Experience dressing out transformers and vacuum filling
Prefer NETA Certification (II, III or IV) or equivalent skills/experience to become NETA Certified
General PC skills including email, internet, data entry and Microsoft Excel
Experience with PowerDB a plus
Must be able to work safely and adhere to all electrical safety procedures
Must pass a pre-employment drug test and periodic, unannounced random drug tests
Must pass a pre-employment criminal background check
Must be able to crawl, climb, stand and lift up to 75 lbs., with or without reasonable accommodations
Must pass a fit for duty physical exam
Must have a valid driver’s license and maintain a good driving record
Must be available for regular overnight domestic travel and occasional international travel
Must be willing to work flexible hours and overtime, and occasional weekends, holidays and nights

Benefits

Comp & perks

OSHA 30 hour, MSHA, NFPA 70-E, CPR/First Aid/BBP/AED training can be provided by Shermco
U.S. passport & TWIC card a plus
Overtime opportunities
Flexible hours
Occasional international travel