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Mechanical Technician/Technologist Trainee


Niagara, ON, CA, L0S 1L0

Req ID:  41505

Status: Regular Full Time

Working Conditions: On-Site 

Education Level: High School or equivalent and two years College Diploma in a related field of study

Location: Niagara, ON 

Shifts(s): Days and/or Rotating Shift, including nights, weekends and holidays

Travel: Yes – 10%

Deadline to Apply: February 14, 2023


BE THE GENERATION to help build a brighter tomorrow. 


OPG continues to set the bar for environmental protection, community involvement and economic impact—all while safely keeping the lights on. 
Now we’ve set our sights on being a net-zero carbon company by 2040 and a catalyst to help the economies where we operate achieve net-zero by 2050. 

OPG operates a diverse portfolio of generation assets including nuclear, hydroelectric, biomass and solar. We are also a cleantech leader and innovator, offering challenging and unique work opportunities. Help us use our power to change the world.  




Ontario Power Generation (OPG) is looking for a Mechanical Technician/Technologist Trainee to join our team in Niagara, Ontario. 


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.




  • Install, commission, inspect, troubleshoot, service, maintain and overhaul all mechanical equipment and components associated with generating stations and facilities. Take appropriate preventative or corrective action.
  • Maintain and operate precision machines, test equipment and shop tools required to carry out work assignments, including the fabrication of components and the use of specialized tooling.
  • Carry out equipment noise, balancing and vibration measurements for maintenance of stationary and rotating equipment, and testing of mechanical equipment to ASME code standards and procedures.
  • Fabricate, assemble and repair metal components, including highest level of welding required.
  • Perform a wide variety of non-destructive examinations/testing (NDE/NDT Level 1) of major and auxiliary equipment. Perform studies associated with the development or acquisition of NDT techniques/ equipment.
  • 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.
  • Perform work protection code (WPC) activities up to the level trained.
  • Act as an operator agent in Hydroelectric only.
  • 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 modify technical procedures and standards.
  • Prepare mechanical and civil design sketches, drawings, and bills of material. Carry out document maintenance activities.
  • Plan, generate and review reports.
  • Accountable for the health, safety and wellbeing of self and others, as per established technical/ operating procedures and standards, and includes the development of technical/operating solutions to problems.
  • Maintain, install and troubleshoot mechanical equipment and systems, covering all areas of welding, pipefitting, rigging, machining, millwrighting, testing and drafting (civil and mechanical).
  • Carry out contract coordination and prepare quality control procedures. Perform non-destructive examinations/testing on major and auxiliary equipment.




  • Grade 12 or equivalent and two years College Diploma in a related field of study




  • Must have the flexibility to work shifts and weekends
  • This position requires travel and occasional overnight stays in order to attend and complete various training courses and field assignments during their training program and to acquire on-the-job experience at other OPG work locations
  • Ability to prioritize, plan, and execute tasks in a time-effective manner
  • Excellent interpersonal skills
  • Good verbal and written communication skills
  • Able to work alone or as a collaborative team player
  • Good judgment and problem-solving skills
  • Positive, professional and enthusiastic demeanor
  • Valid G Driver’s License in good standing


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, OPG offers an exciting combination of challenging opportunities and career diversity in a fast-paced work environment. 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 the province’s wellbeing.  


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 and OPG’s clean electricity is helping decarbonize other sectors. 


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. 
  • Offer different ways for you to give back to communities where we operate. 
  • Partner with Indigenous communities and support local businesses. 
  • We support employment equity, diversity and inclusion. 


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. 



Please submit your application online at by 11:59 PM E.S.T. February 14, 2023.  OPG thanks all those who apply; however, only candidates considered for an interview will be contacted. 



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 information in a format that is accessible to you, please contact