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Commissioning Engineer

Biddeford, ME


  • We have a Commissioning Engineer position available in our Biddeford, ME office.
  • This individual will be responsible for commissioning transmission and distribution substations additions or modifications are installed, function, and energized correctly.
  • This individual will be responsible for commissioning transmission and distribution substations additions or modifications are installed, function, and energized correctly.
  • This role will serve as a safety net to ensure that any errors introduced by incorrectly engineered design packages, installation errors, or equipment failures, are corrected before the equipment is energized and released for service.
  • Ultimately the Commissioning Engineer prevents errors from compromising the reliability of the T&D system and the safety of employees involved in operating the system.
  • Senior Engineer is responsible for training new engineers/technicians in relay testing, equipment testing and substation commissioning.


  • Review specification and engineering drawings to understand the purpose and functionality of substation.
  • Schedule the installation and commissioning with subcontractors and customers.
  • Provide safety analysis and proper equipment isolation procedure.
  • Provide a day-to-day outage plan for customer.
  • Develop detail test procedure and sign-off sheet for each piece of equipment.
  • Monitor the construction and be available to address technical questions as they arise during construction, installation, and testing.
  • Identify and resolve design errors.
  • Assist field crews and dispatch in developing, switching to properly sequence in equipment, making sure proper hold points for testing are incorporated.
  • Directly witness or perform critical tests such as DC Functional Trip Testing prior to energization and in-service.
  • Direct crews as necessary during critical work junctures. This typically occurs during final commission, just prior and through initial energization.
  • Acknowledge substation modification is complete and functional and formally turns it over to Dispatch to be operated within its design limits.
  • Senior Commissioning Engineer is expected to support several capital projects occurring at the same time. Accordingly, they rotate amongst the jobs, keeping abreast of the construction activities, reviewing test results, and monitoring the work so as to anticipate any problems and gauge their level of involvement from a technical support perspective.
  • Near project completion, as the equipment is ready to have its control schemes functionally tested and the equipment energized is when a commissioning engineer will be required to work extended hours/days in a row at a particular job site.
  • Develop and maintain strong working relationships with customers, demonstrates an awareness of customer needs, preferences, and time and financial constraints.
  • Management of resources and services required to install electrical equipment.
  • Proven customer service, sales ability, and ability to handle difficult situations with customers and gain satisfaction.
  • Assists in the development of estimates for client proposals and further business development.


  • Education – Bachelor degree in engineering (electrical, mechanical or engineering technology) is preferred. Associate degree is acceptable provided the candidate has proven experience in the field.
  • 3+ years with capabilities in below areas is preferred:
  • Ability to understand AC and DC elementary diagrams, wiring diagrams and one-line drawings for the purpose of understanding system operation and developing testing requirements and procedures.
  • Develop standard testing documentation, training procedures and maintain all project documentation including certifications and calibration records.
  • Candidate should be able to obtain NICET certification or equivalent.
  • The ideal candidate must have a diverse skill set with the ability to work independently. Will act as technical lead on projects and guide lower-level engineers/technicians.
  • In-depth understanding of:
  • Three-phase power systems
  • Protection and control schemes and implementation
  • Equipment testing - circuit breakers, transformers, circuit switchers, MOABS, CTs, PTs, batteries and chargers, transfer switches, line tuners, wave traps, carrier relays, etc.
  • Experience in:
  • Testing, troubleshooting, evaluating, and servicing electrical distribution and control systems is highly desirable.
  • Utilizing relay secondary injection test sets
  • PQ measurements
  • Leading crews to test and commission new and modified substations.
  • Rotating machinery, including generators and excitation systems
  • SCADA, RTU, and DFR systems
  • AutoCAD is also desired.


  • Work will be mostly onsite at clients primarily in Maine and Northern Massachusetts.


  • Possess and maintain a valid and unrestricted driver’s license.


  • Seeing, color perception, hearing, listening, clear speech, dexterity in hands, driving, lifting, climbing, ability to mount and dismount equipment, pushing, and pulling, warm and cold temperature conditions, sun exposure, moisture, potential exposure to hazardous materials and electrical voltages.


  • On site environment could require work in various temperature conditions; in and/or around moisture, on slippery and/or uneven surfaces, in confined spaces, and at heights; will require frequent standing, driving a 4-wheel drive vehicle, and occasional bending, squatting, climbing, twisting, balancing, and reaching; will have exposure to noise, vibrations and chemicals. May require irregular or extended hours, subject to being on call and travel for project completion.

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