Electric Power Systems

LTC Substation Technician - Portland

Job ID
Location : Metro Area
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
  • New Hire Sign-on Bonus for employees hired residing in Oregon!

We are looking for experience LTC Substation Technicians  who will responsible for inspecting, diagnosing, and repair of issues with Onload Tap Changers (OLTC).  The successful candidate will have experience resolving problems with Reinhausen, McGraw Edison, Westinghouse, General Electric and Waukesha/SPX Onload Tap Changers.  The ideal candidate will reside anywhere in the State of Oregon.




  • Inspect OLTC
  • Diagnose OLTC
  • Repair OLTC
  • Resolution of problems with Tap Changers
  • Trouble shoot electrical controls
  • Analyze Dissolve Gas reports
  • Analyze TTR test results






  • Minimum of 5 years' experience in the electrical industry
  • Minimum of 1 years' experience with Onload Tap Changers (OLTC)
  • Resolving problems with Onload Tap Changers (OLTC)
  • Ability to troubleshoot and resolve issues with OLTCs
  • Ability to troubleshoot electrical controls
  • Ability to read electrical schematics
  • 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

Preferred and a Plus, but not Required:

  • Ability to read and understand Dissolved Gas Analysis
  • Ability to read and understand TTR test results
  • Experience with Reinhausen, McGraw Edison, Westinghouse, General Electric, Waukesha, SPX and other manufacturers 
  • Experience with OLTC models

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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