Electric Power Systems

Field Service Test Technician

Job Locations US-MO-St. Louis
Posted Date 3 months ago(2/7/2024 2:29 PM)
# of Openings
Transformer Technician



For over 15 years, North American Substation Services (NASS) has successfully maintained a staff of highly trained technicians and engineers, offering complete installation, repair & maintenance services of electrical power systems and equipment from low voltage through extra high voltage.

NASS is a market-leading expert independent provider of installation, repair, and maintenance services to mission critical high voltage substation equipment throughout the United States. Whether you are just starting out in electrical construction at the entry level or if you have testing experience and commissioning in utility substations, we want to hear from you!


Interested in joining our team? We are looking for talented and knowledgeable individuals to grow with us. Our employees are the driving force behind our success. If you are ambitious, hardworking and want to be part of a fast-paced organization, you may be an ideal fit for NASS.


Some of the reasons to work for us:

  • Strong growth history and stable employment
  • Competitive Pay
  • Advancement opportunities
  • Excellent benefits
  • Retirement plan with matching contributions
  • Plenty of overtime and travel opportunities
  • Paid time off including holidays
  • Great company culture focused on employee development, training and safety

This position performs routine skilled and technical support work in the inspection, repair and maintenance of transmission and distribution substation electrical equipment. The ideal candidate will reside anywhere in the State of Missouri.




  • The installation, troubleshooting and maintenance of communication, data processing, and computerized control equipment.
  • The logging and maintenance of operating records as required.
  • Maintenance of solid state devices, computers, telemetering equipment, protective relays, and switchboard Instruments.
  • Utilize drawings/prints and instruction manuals in the performance of construction, maintenance and operation of electrical facilities.
  • Use of the oscilloscope, wattmeter, phase angle meter, signal generator, electronic coupler, phase shifter, and other instruments and last equipment required to test certain equipment.
  • Operate construction/maintenance equipment (bucket/derrick trucks, oil processing equipment, etc.) and tools.
  • Perform switching, obtain clearances and make site safe for work.
  • Works with line crews and contractors as assigned.



  • High School diploma or GED. Supplemental courses in electrical maintenance desired.
  • Must possess a current and valid driver’s license, and be able to maintain a good driving record.
  • Must be able to crawl, climb, stand and lift up to 50 lbs. with or without reasonable accommodations.
  • Must be able to pass a fit for duty exam.
  • Must be available for regular overnight domestic travel and occasional international travel.
  • Must be willing to work flexible hours and overtime, and occasional weekends, holidays and nights.
  • Able and willing to travel up to 75% as needed.


  • Commercial Driver's License (CDL)
  • NCCO Crane Certification 
  • Some knowledge of the fundamentals and principles of electricity preferred.
  • Knowledge of the hazards and safety precautions required in working in a power distribution facility preferred.
  • Ability to learn to read and interpret electrical diagrams and prints.
  • Ability to learn to read and interpret a variety of power generation and distribution metering and recording devices.
  • Ability to learn the practices and procedures of the industry.
  • Ability to follow oral and written directions.

Work outdoors in all weather conditions. Occasionally work is performed near moving mechanical parts in high, precarious places and is occasionally exposed to wet and/or humid conditions, ambient air, temperature extremes, fumes and airborne particulates, traffic, toxic or caustic chemicals, electrical shock hazard, noise pollution, and vibration.


NASS in an equal opportunity employer. Our organization does not discriminate based on race, creed, color, veteran status, sex, religion, national origin, age, physical or mental disability, genetic information or any other characteristic protected by law. We are an E-Verify, Drug and Tobacco-Free Workplace.



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