Millwright / Machinist

ON, Canada
Posted On Oct 17 2020 Nov 16 2020
  • Status: Regular Full-time
  • Education Level: Grade 12 or equivalent, plus 8,000 hours of Apprenticeship or Red Seal Certification
  • Location(s): Niagara Falls, ON
  • Shifts(s): Days
  • Deadline to Apply: February 2, 2020


BE THE GENERATION to challenge and change.

At OPG, our values are our strengths. They are fundamental truths about us that don’t change. Safety. Integrity. Excellence. People and Citizenship.  We operate a diverse portfolio of generation assets including nuclear, hydroelectric, biomass and solar, and offer challenging and unique work opportunities. BE THE GENERATION to power tomorrow.




Ontario Power Generation (OPG) is looking for a professional to join our team in the role of Millwright / Machinist at our Maintenance/Repair Machine Shop located at the Sir Adam Beck Generating Station in Niagara Falls, ON

Reporting to the Manager, Work Centre / Maintenance, the Millwright / Machinist maintains, installs and troubleshoots mechanical equipment and systems, covering all areas of millwrighting, rigging and testing with an emphasis on performing machining.

This is an exciting opportunity to work in an environment where you will contribute to Ontario Power Generation’s continued growth and success in generating safe, clean, reliable low-cost power in a sustainable manner.




  • Utilize Boring Mill, Mill, Lathe, Vertical Lathe, Radial Arm Drill, Surface Grinder, Line Boring Machine and CNC Mill and Lathes to: fabricate and manufacture parts and equipment such as; pins, bushings, shafts, wheels, guide and thrust bearings
  • Install, commission, inspect, troubleshoot, service, maintain and overhaul all mechanical equipment and components associated with generating stations and facilities.  Take preventative or corrective action.
  • Maintain and operate precision machines, test equipment and shop tools to carry out work assignments, including the fabrication of components and the use of specialized tooling.
  • Co-ordinate large projects related to the installation of new systems or the replacement of existing systems with different technologies. Carry out contract coordination and inspections to ensure effective quality assurance.
  • Align machines using precision equipment such as dial indicators and laser-alignment tools.
  • Provide technical support, advice, coordination and assistance with regard to emerging work, projects and daily routines, including the development of technical/operational solutions to problems.
  • Prepare and or modify written reports, repair procedures and technical specifications.
  • Prepare mechanical and civil design sketches, drawings, and bills of material.
  • Conducts preventive maintenance and overhauls of hydroelectric generators; adjusts and/or inspects hydroelectric generators, turbines, hydraulic governors or associated auxiliary equipment including performing alignments, insitu machining, etc. 
  • Repairs to malfunctioning tools and equipment. 
  • Inspects work performed by outside contractors to ensure product specifications and quality. 
  • Perform other related duties of a comparable level as assigned.
  • Accountable for the health, safety and well being of self and others, as per established technical/ operating procedures and standards, and includes the development of technical/operating solutions to problems.




Grade 12 or equivalent.

Minimum 8,000 hours of Millwright apprenticeship.




  • Completion of Millwright apprentice program or Millwright Red Seal qualified and 2 years experience as a journeyperson.
  • Completion of a Machinist apprenticeship or a minimum of 2 years experience as a Machinist.
  • Advanced knowledge in Machining skills – precision machining using lathes, radial drill presses, mills, grinders, etc.
  • Computer Numerical Control (CNC) experience would be an asset.
  • Experience in using and maintaining precision measuring equipment such as; outside/inside Micrometers, Vernier Calipers, Test Indicators, Height Gauges, etc.
  • Knowledge and experience in maintaining, repairing and machining large components including hydroelectric generating equipment.
  • Knowledge and experience in ordering and calculating raw materials requirements.
  • Experience in rigging and operating overhead cranes for transporting equipment and materials.
  • Ability to interpret and read drawings, blueprints and schematics.
  • Experience in preventative and corrective maintenance
  • Ability to work well with others in a team environment
  • Strong verbal and written communication skills.



Work Environment/Physical Demands:

  • Required to lift materials in excess of 50 pounds.
  • Required to work in confined areas.
  • Required to work at heights.
  • Require to work around high voltage equipment.
  • The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.



As Ontario’s largest clean energy generator, Ontario Power Generation (OPG) offers an exciting combination of challenging opportunities and career diversity in a work environment where safety is a fundamental value. Being an OPG employee means you can apply your knowledge, broaden your skills and make a valuable contribution to an organization that is vital to Ontario's success.


At OPG our values are our strengths.  They are fundamental truths about our organization that don’t change.  Safety. Integrity. Excellence. People and Citizenship.  


Here's why OPG might just be the ideal workplace for you:


  • Exceptional range of opportunities province-wide
  • Long-term career growth and development opportunities
  • Electricity is vital to the province 
  • If you are looking to learn from others and be part of something important, and you are excited about the future of power generation, you will find the right fit at OPG.


Our promise to you


  • We care about the safety and the well-being of our employees. It is our utmost priority.
  • A supportive work environment where you can be your best every day.
  • Opportunities to stretch and develop in our diverse lines of business.
  • Provide spaces for innovative thinking and solutions,
  • Offer different ways for you to give back to communities where we operate.
  • We support employment equity and diversity.

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Please submit your application online at by 11:59 PM E.S.T., February 2, 2020. OPG thanks all those who apply; however, only candidates considered for an interview will be contacted. ACCOMMODATIONS OPG is committed to fostering an inclusive, equitable, and accessible environment where all employees feel valued, respected, and supported. If you require accommodation during the application or interview process, please advise us as soon as possible so appropriate arrangements can be made. If you require technical support in a format that is accessible to you, please contact

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