Service Field Tech - Relay Testing and Maintenance
Listed on 2026-07-17
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Trades / Skilled Labor
Field/Service Technician -
Energy/Power Generation
Field/Service Technician
Service Field Tech
- Relay Testing and Maintenance
Service Field Tech
- Relay Testing and Maintenance are expected to perform service, test and maintain various types of power transmission and distribution equipment.
Responsibilities and Duties:
- Inspect, test, troubleshoot, perform start-up and collect data of low, medium and/or high voltage (to 500kV) electrical systems.
- Install, commission, test, and maintain protective relaying equipment, including relay panels, transformers, and circuit breakers.
- Develop and document standardized commissioning, testing, and maintenance procedures for relay systems.
- Perform functional testing of substation control circuits to validate proper relay operation.
- Create relay macros and testing routines to confirm system protection and control configurations.
- Execute end-to-end relay testing with specialized software, identifying relay behavior based on fault conditions.
- Review relay settings and logic equations to ensure alignment with design requirements.
- Low, medium and/or high voltage switch gear and circuit breaker testing.
- Perform inspection, maintenance, testing and repair of transformers, circuit breakers and all related equipment – 45 KVA to 130 MVA, dry type and/or oil filled.
- Perform maintenance, testing, reconditioning and repair on circuit breakers – low voltage 480 volt (molded case and air-magnetic) medium voltage up to 15 KV (air-magnetic and vacuum).
- Experience filling and working with SF6 filled equipment and gas insulated switch gear, desired but not required.
- Test and inspect low and medium voltage cable installations.
- Experience operating high voltage test equipment including Doble Power Factor test sets.
- Perform start-up, troubleshooting and repair services on controls and transfer schemes.
- Rotate emergency on-call duty and if called respond to customer emergencies in a timely manner.
- All work and decisions shall be conducted in strict compliance of all regulatory laws.
- Other duties as assigned by manager.
Required Experience and Qualifications for a Service Field Tech:
- High School diploma/GED and minimum 1 year of experience in a related field.
- Knowledge of various industry standards such as: NETA, NEC, OSHA and NFPA.
- Prefer experience with most of the following or similar: MCC's, Breakers, relay testing, oil testing, infrared scanning, performing start-up on switch gear up through 500kV class, etc. or training from the military (Army Prime Power, Air Force Electrical Power Production, NAVY or another related program).
- Must be able to work safely and adhere to all electrical safety procedures.
- Good theoretical understanding of electricity and a good aptitude for problem solving.
- Effectively communicate verbally and in writing with customers and peers.
- Dependable and responsible with good judgment and organizational skills.
- Good customer service, time management and follow-up skills.
- Work effectively with customers, peers and management to resolve client issues.
- Strong computer skills with working knowledge of Windows and Microsoft Office- use of Internet for standards/products/manufacturer research
- For positions that utilize a company vehicle, will be required to have a valid driver's license.
Who we are!
RESA Power is a dynamic, people first organization that prides itself on being the employer of choice in its industry! RESA is fortunate to have an extraordinarily talented group of people who take pride in everything they do! RESA Power has locations throughout the United States & Canada. We are a trusted service provider committed to ensuring the safety, performance, and compliance of electrical distribution systems.
With a track record of long-term partnerships and excellence in customer experience for nearly a decade!
Our Mission
Ensure reliable and safe mission-critical power across our customers' electrical infrastructure lifecycle.
Our Vision
To be the premier, first-choice, trusted provider in the US and Canada for critical power services and products by delivering the best customer and employee experience in the industry.
Core Cultural Competencies
- We do it right
- We pride ourselves on our integrity and expertise. We don't cut corners.
- You perform job responsibilities…
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