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Protection Relay Testing Jobs in Colorado (NOW HIRING)

Excel Engineering Inc

Relay Technician (CO)

Denver, CO · On-site

$55 - $70/hr

Evaluate relay protection schemes and perform design changes * Program, test, and validate relay settings and control circuits * Perform fault testing and reconcile results * Safely energize and ...

Wunderlich-Malec

Senior Commissioning Engineer

Denver, CO · On-site

$107K - $147K/yr

Knowledge of programming and testing protection relays from GE, SEL, ALSTOM, SCHNEIDER, SIEMENS, and ABB. Ability to develop programming macros for use in automated relay testing * Ability to ...

WSP

Experienced P&C Field Services Technician

Lakewood, CO · On-site

$50 - $70/hr

Perform on-site hands-on protective relay testing using relay test sets such as Omicron CMC 256/356 or Doble F6150. Examples of relays to be tested are SEL-311L, SEL-387, SEL-487, SEL-421, SEL-351S ...

Wunderlich-Malec

Senior Commissioning Engineer

Denver, CO · On-site

$107K - $147K/yr

Knowledge of programming and testing protection relays from GE, SEL, ALSTOM, SCHNEIDER, SIEMENS, and ABB. Ability to develop programming macros for use in automated relay testing * Ability to ...

WSP

Lead P&C Technician Field Services

Lakewood, CO · On-site

$70 - $85/hr

Perform on-site hands-on protective relay testing using relay test sets such as Omicron CMC 256/356 or Doble F6150. Examples of relays to be tested are SEL-311L, SEL-387, SEL-487, SEL-421, SEL-351S ...

WSP

Lead P&C Technician Field Services

Lakewood, CO · On-site

Perform on-site hands-on protective relay testing using relay test sets such as Omicron CMC 256/356 or Doble F6150. Examples of relays to be tested are SEL-311L, SEL-387, SEL-487, SEL-421, SEL-351S ...

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Protection Relay Testing information

What is protection relay testing?

A Protection Relay Testing job involves inspecting, calibrating, and testing protective relays used in electrical systems to ensure they operate correctly during faults or abnormal conditions. Technicians and engineers in this role perform diagnostic tests, evaluate relay settings, and verify system coordination to prevent power failures and equipment damage. They work with electromechanical, static, and digital relays in substations, power plants, and industrial facilities. The job requires knowledge of electrical protection schemes, testing procedures, and specialized testing equipment like secondary injection test sets. Proper testing ensures system reliability, safety, and compliance with industry standards.

What does a typical day look like for someone working in protection relay testing?

A typical day in protection relay testing involves planning and executing tests on protection relays to ensure proper operation and system reliability. You may review schematics, set up and operate test equipment, document test results, troubleshoot any issues, and collaborate with engineers, field technicians, or utility personnel. Much of the work is performed onsite at substations or power plants, sometimes requiring travel. Strong documentation and communication skills are important, as you'll frequently report findings and propose corrective actions. This role combines both hands-on technical work and teamwork to maintain the safety and efficiency of power distribution systems.

What are the key skills and qualifications needed to thrive in protection relay testing, and why are they important?

To thrive in Protection Relay Testing, you need a solid grounding in electrical engineering principles, knowledge of power systems, and hands-on experience with relay protection schemes. Familiarity with test equipment such as relay test sets (e.g., Omicron, Doble), SCADA systems, and relevant industry certifications like NETA or IEC/IEEE standards is often required. Attention to detail, analytical thinking, and effective communication are crucial soft skills for diagnosing issues and coordinating with teams. These skills ensure accurate and safe testing processes, minimize operational risks, and maintain the reliability of electrical power systems.

What are popular job titles related to Protection Relay Testing jobs in Colorado?

For Protection Relay Testing jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Protection Relay Testing jobs in Colorado look for?

The top searched job categories for Protection Relay Testing jobs in Colorado are:

Protection Relay Testing jobs near you
Infographic showing various Protection Relay Testing job openings in Colorado as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 82% Full Time, 11% Part Time, 4% Contract, and 1% Nights. Highlights an 89% Physical, 2% Hybrid, and 9% Remote job distribution.

Relay Tech/ Transmission or Distribution II-IV

Denver, CO • On-site

UNAVAILABLE
See more jobs at UNAVAILABLEexternal

$50 - $90/hr

Other

Medical, Dental, Vision, Retirement

Posted 11 days ago

Key responsibilities

  • Install, commission, test, and maintain protective relay equipment, powerline carrier equipment, digital fault recorders, remote terminal units, and communication processors.

  • Perform functional testing of protection and control circuitry associated with transmission lines, HV bus, transformer, circuit breaker, feeder, reactors, and capacitor banks.

  • Review, document, and submit test reports for client reporting and regulatory purposes.

Job description

Overview

Shermco Industries is seeking a Relay Tech/ Transmission or Distribution II-IV.

Protection and Controls (P&C) Technician

Why Shermco:

  • Industry leading overtime program - rate structure which pays lucratively
  • Robust benefits package for employees and family which includes dental, vision, disability insurance, and medical insurance as low as $1 per week
  • Retirement and savings programs with company match (401k and health savings account)
  • Eligibility for annual performance and pay reviews
  • Eligibility for various bonus / incentive programs
  • Shermco invests in employees by offering technical training (full scale internal workforce development program) and leadership training and career tracks
  • Tuition reimbursement program
Responsibilities

Job Responsibilities and Expectations:

  • Installation, commissioning, testing, and maintenance of protective relay equipment, powerline carrier equipment, digital fault recorders (DFR’s), remote terminal units (RTU’s), and communication processors.
  • Functional testing for protection and control circuitry associated with transmission lines, HV bus, transformer, circuit breaker, feeder, reactors, and capacitor banks.
  • RTU and telecom upgrades for various clients
  • Experienced with SEL microprocessor relays such as 311C, 311L, 387, 411L, 421, 487B, 487E, 487V, 587, 587Z, and 787.
  • Desired experienced with GE microprocessor relays such as C30, D60, F35, L90, T35 and T60.
  • Required experienced with various RTU’s and communication processors such as GE, Telvent, SEL, Cooper, and Novatech.
  • Accurately reviewing, documenting, and submitting test reports used for client reporting and regulatory purposes.
  • Interpret one line, three line, wiring, schematic diagrams, communication configurations with ability to recognize and bring attention to discrepancies.
  • Accurately completes time and expense reports along with maintaining good condition of assigned company vehicle.
Qualifications

Required Education/Experience:

  • Ideal candidate will have 5+ years experience in the electrical testing industry with a focus working with protection and control equipment, RTU’s, and telecom with HV utility, co-op, power generation, federal, or municipal clients.
  • Bachelor of Science in Engineering or Technology in similar discipline, or Technical school diploma, or military experience in either Army Prime Power or Navy Nuclear electrical program.
  • Experience with transmission and distribution relays to include SEL, GE, ABB, and Westinghouse.
  • Experience with substation RTU’s, communication processors, and telecom equipment for both brownfield and greenfield projects.
  • Experienced with scoping, scheduling, and budgeting process for protection and control, RTU, and telecom projects for both internal and external entities.
  • Experience with project management of protection and control teams working in HV substations for utility clients.
  • Familiar with NERC CIP requirements.

Requirements:

  • Must be able to lift up to 50 pounds, climb ladders, stand for extended periods, drive regularly, with or without reasonable accommodations
  • Should be able to pass a fit for duty physical exam when required
  • Pass pre-employment drug test, and periodic unannounced drug tests
  • Must be able to pass a pre-employment background check with 7 year history
  • Have a valid drivers license and meet minimum motor vehicle insurability standards
  • Take and pass 30 hour OSHA training
  • Ability to work in a field environment subject to changing outdoor conditions
  • Work overtime as needed and willingness to travel extensively to client work locations
  • Must be able to read, write, and speak English fluently.

EQUAL OPPORTUNITY EMPLOYER | DRUG-FREE WORKPLACE Shermco is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status. Shermco is a drug-free workplace.

Pay Range

USD $50.00 - USD $90.00 /Hr.

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