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Test Specialist

Shermco Industries, Inc. • United States

onsite
Posted Sep 19, 2026

**Role & seniority: ** Test Specialist (field service / Protection & Controls testing); ~3+ years relevant experience (mid-level)

**Stack/tools: ** NETA (Certification I preferred), test/instrumentation for power systems; protective relaying/DFR/SCADA/distribution automation; MS Excel + general PC skills (email, internet, data entry); protective relaying testing (incl. differential & distance relays); interpret control prints/schematics/wiring diagrams.

**Top 3 responsibilities: **

  • Travel to industrial/commercial customer sites to inspect, test, troubleshoot, start-up, and collect data for electrical systems (480V to 600kV).

  • Perform instrument transformer testing and protective relaying/protection & controls testing (point-to-point control circuit checks; relay panel/substation equipment).

  • Commission, test, and maintain protective relaying, SCADA, distribution automation, and associated communications; support differential/distance relay testing.

  • Must-have skills:

    • 3+ years Protection & Controls testing/troubleshooting experience.

    • Ability to read/interpret electrical control prints, schematics, and wiring diagrams.

    • NETA certification (I) or similar; safety compliance and adherence to electrical safety procedures (e.g., NFPA 70E).

    • Strong PC skills (Excel/data entry) and English fluency.

    • Willingness/ability for substantial travel and physically demanding field work; valid driver’s license and safe driving record.

  • Nice-to-haves:

Full Description

About Shermco Services

Since 1974, Shermco Services has become North America’s largest and fastest growing NETA-accredited Union electrical testing organization. Our focus is to make sure electrical power systems are functioning properly and safely. All done with an emphasis on safety and client service. That’s why we say… if it’s in the electrical power system, Shermco does it.

Backed by Gryphon Investors, a leading private equity firm focused on profitably growing and competitively enhancing middle-market companies in partnership with experienced management, Shermco is poised for the next decade and beyond.

Test Specialist

Join our team of leaders in electrical power system maintenance, repair, testing, engineering, & training. Due to continued growth, we are seeking a Test Specialist to join our team in several locations. Shermco Services is accredited by NETA.

Job Responsibilities and Expectations

  • Field Service Test Technicians travel to customer sites (industrial & commercial) to inspect, test, troubleshoot, perform start-up and collect data of low, medium and high voltage (480 Volt to 600 kV) electrical systems.
  • Able to travel to customer jobsites across the state and bordering states.
  • Instrument transformer tests
  • Perform wiring installation, commissioning, testing and maintenance of protective relaying equipment, relaying schemes, DFR equipment, SCADA systems, distribution automation systems and associated communication equipment.
  • Perform function point to point testing of substation control circuits on relay panel, transformers & circuit breaker changeouts.
  • Read and interpret control prints, schematic and wiring diagrams.
  • Support differential and distance relay testing.

Minimum Qualifications: to qualify for consideration, you must meet each of the following minimum qualifications and requirements.

  • Prefer an Associate’s degree from an accredited 2-year technical college in Electrical Power & Controls (EPC), or a EE Degree from an ABET accredited college, similar experience, and training from the military (Army Prime Power, Air Force Electrical Power Production, or NAVY Seabee)
  • NETA Certification (I) or similar desired or Electrician license preferred
  • Must have at least 3 or more years of relevant experience performing Protection & Controls testing & troubleshooting
  • Must have good PC skills including email, internet, data entry and Microsoft Excel
  • Must be able to work safely and adhere to all electrical safety procedures
  • Prefer OSHA 30 hour, MSHA, NFPA 70-E, CPR/First Aid/BBP/AED training; training on each can be provided by Shermco
  • Must be able to drive daily locally/regionally and be available for periodic overnight travel

Other Requirements

  • Must be able to pass a pre-employment drug test and periodic, unannounced random drug tests
  • Must be able to pass a pre-employment criminal background check
  • All offers are conditioned on acceptable results from a background check and drug and alcohol screening.
  • Must be able to crawl, climb, stand, and lift to 100 lbs., with or without reasonable accommodations.
  • Must be able to pass a fit for duty physical exam
  • Must have a valid driver’s license, and currently have and be able to maintain a safe driving record
  • Must be available for regular overnight domestic travel and occasional international travel
  • U.S. passport & TWIC card a plus
  • Must be willing to work flexible hours and overtime, and occasional weekends, holidays, and nights.
  • If applying for position, must be eligible to work in the U.S. without need for employer sponsored visa (work permit).
  • Must be willing to travel; minimum 50%
  • Must be able to read, write, and speak English fluently

EQUAL OPPORTUNITY EMPLOYER | DRUG-FREE WORKPLACE

Shermco Services 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.

NO AGENCIES PLEASE

No Agencies Please. Any unsolicited resumes sent to Shermco Services from a third party, such as an Agency, including unsolicited resumes sent to Shermco Services mailing address, fax machine or email address, directly to Shermco Services System Integration employees, or to Shermco Services System Integration resume database will be considered Shermco Services property. Shermco Services will not pay a fee for any placement resulting from the receipt of an unsolicited resume.

Electrical testingTroubleshootingProtection and controlsRelay testingCommissioningSubstation control circuitsData collectionSchematic readingWiring diagramsSCADA systemsDistribution automationInstrument transformer testsElectrical safetyMicrosoft Excel

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