Field Services Technician III, Electrical Testing

Shermco Industries

. Perform advanced electrical testing, inspection, troubleshooting, start-up, commissioning, and data collection on low-, medium-, and high-voltage electrical systems .

Posted 10/15/2026full-timeWinnipeg • CanadaMid-LevelSenior💰 CA$40 - CA$50 per hourWebsite

About the role

Key responsibilities & impact

Perform advanced electrical testing, inspection, troubleshooting, start-up, commissioning, and data collection on low-, medium-, and high-voltage electrical systems
Conduct instrument transformer testing and diagnostic assessments
Test power transformers using Doble, transformer turns ratio, insulation resistance, power factor, and other diagnostic methods
Test, calibrate, and troubleshoot electromechanical, solid-state, and microprocessor-based protective relays
Perform cable testing using VLF, Tan Delta, power factor, and DC high-potential testing
Test and troubleshoot automatic transfer switches, power-metering equipment, switchgear, and circuit breakers
Complete relay calibration and verify protective-device operation
Analyze test data, validate results, identify equipment or system issues, and complete technical reports
Interpret electrical drawings, equipment specifications, testing standards, and technical procedures
Assist with job planning, hazard assessments, work methods, and field execution
Provide technical guidance, training, and on-the-job support to Technician I and Technician II team members
Collaborate with customers, supervisors, engineers, and project teams
Participate in emergency on-call rotation and respond to customer outages
Follow safety policies, customer requirements, electrical codes, and industry standards

Requirements

What you’ll need

Diploma in electrical engineering technology, electrical power and controls, or a related technical discipline; an equivalent combination of education, military training, and relevant industry experience may be considered
Three to five years of progressive experience testing, maintaining, commissioning, or troubleshooting electrical power distribution equipment
NETA Level II or III certification, equivalent recognized electrical-testing credentials, or progress toward an applicable certification
Strong working knowledge of electrical testing procedures, testing equipment, power-system components, and electrical safety practices
Experience testing protective relays, power transformers, switchgear, circuit breakers, cables, instrument transformers, and associated control systems
Ability to interpret single-line diagrams, electrical schematics, wiring diagrams, equipment specifications, and technical manuals
Ability to work safely and independently with limited supervision
Strong computer skills, including Microsoft Excel and electronic test-data or reporting systems
Ability to travel throughout Manitoba, across Canada, and to the United States, including overnight travel
Must hold or be eligible to obtain documentation required for business travel to the United States
Ability to work overtime and occasionally work evenings, nights, weekends, holidays, or emergency callouts
Valid driver’s licence and ability to meet Shermco’s vehicle-use program requirements
Ability to perform essential field duties, including standing, walking, climbing, bending, crawling, working in restricted spaces, and lifting or moving up to 23 kg/50 lb
Ability to communicate effectively in English
Must be legally entitled to work in Canada

Benefits

Comp & perks

Competitive compensation based on qualifications and experience
Comprehensive health, dental, and wellness benefits
Retirement savings support, subject to plan eligibility
Employee and family assistance resources
Safety training and professional development opportunities
Exposure to complex electrical power systems and diverse customer environments
Opportunities for technical growth, industry certification, and career advancement
A collaborative and safety-focused work environment