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Shermco

Electrical testing, maintenance, and engineering services

Commissioning Engineer

Power Systems EngineeringConfirmed live in the last 24 hours
Full-time$80 - $95 /hr

About the Job

Requirements

  • Willingness to travel overnight up to 95%.
  • At least 4 years of experience in the electrical testing industry, focused on protection and control equipment with high-voltage utility, co-op, power generation, federal, or municipal clients.
  • A Bachelor of Science in Electrical Engineering or Electrical Engineering Technology.
  • Proven experience with transmission and distribution relays, including SEL, GE, ABB, and Westinghouse.
  • Familiarity with test equipment including Doble 6150, Powercomm PCA-4125A, Arbiter 931, Vanguard CT 2000C, and Omicron CT analyzer.
  • Experience using test software such as RTS, ProTest, or Protection Suite.
  • Experience developing detailed commissioning test plans.
  • Experience performing relay end-to-end testing to verify communication-assisted tripping schemes such as differential, DCB, POTT, and transfer trip.
  • Strong understanding of safe work practices and human performance improvement applicable to protection and control work in utility high-voltage substations.
  • Ability to perform in-service load checks for new equipment to validate correct operation.
  • Familiarity with NERC PRC-005-6 requirements related to protection systems, automatic reclosing, and sudden pressure relaying maintenance.

Responsibilities

  • Promote safe working practices and human performance improvement daily.
  • Lead or participate in completing a Job Hazard Analysis with the assigned team each workday.
  • Perform installation, commissioning, testing, and maintenance of protective relay equipment, powerline carrier equipment, digital fault recorders, and remote terminal units.
  • Perform functional testing for protection and control circuitry associated with transmission lines, high-voltage buses, transformers, circuit breakers, feeders, reactors, and capacitor banks.
  • Perform end-to-end testing of communication-aided tripping schemes for fiber systems and powerline carrier using RTS, ProTest, or Protection Suite software.
  • Test and calibrate GE and Westinghouse/ABB electromechanical relays.
  • Commission SEL microprocessor relays, including models 311C, 311L, 387, 411L, 421, 487B, 487E, 487V, 587, 587Z, and 787.
  • Commission GE microprocessor relays, including models C30, D60, F35, L90, T35, and T60.
  • Support remote terminal unit upgrade projects for various clients.
  • Document and submit test reports for client reporting and regulatory purposes.
  • Interpret one-line, three-line, wiring, and schematic diagrams and identify and report discrepancies.
  • Complete time and expense reports and maintain the assigned company vehicle in good condition.
  • Provide oversight of protection and control technicians and engineers.

About the Company

Shermco

Electrical testing, maintenance, and engineering services

Shermco provides electrical testing, maintenance, and engineering services across North America for industrial, commercial, and utility clients. Its offerings include rotating machinery service and repair, protection and control testing, commissioning, wind energy services, field services, in-shop services, systems integration, specialty services, disaster recovery, and industry-specific training. The company earns revenue through service contracts, project-based work, and training programs. Shermco uses on-site field work, shop-based repair, and specialized testing and engineering to ensure electrical system reliability and safety. Unlike many competitors, it combines a broad range of services (from rotating machinery to wind energy and disaster recovery) with accreditation by the InterNational Electrical Testing Association and a broad training ecosystem, aiming to be a trusted partner for ongoing electrical maintenance and safety across multiple sectors.

Company size
1,001-5,000
Company stage
Acquired
Total funding
Not listed
Headquarters
Irving, TX
Founded
1974

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