Toronto, ON, CA, M8Z 5S4

Req ID: 39903

Status: Regular Full Time

Working Conditions: Hybrid

Education Level: Bachelors Degree in Mechanical or Metallurgical Engineering

Location(s): Toronto, ON

Shifts(s): Days

Travel: Yes- 10%

Deadline to Apply: August 28, 2022

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 clean tech leader and innovator, offering challenging and unique work opportunities. Help us use our power to change the world.

New! In 2025, Ontario Power Generation (OPG) is establishing a new corporate headquarters on a campus setting in the Municipality of Clarington located within Durham Region. The new campus will include the existing Darlington Energy Complex located just south of Highway 401 and a new building to be constructed on adjacent land presently owned by OPG.

BE THE GENERATION to help build a brighter tomorrow.


Ontario Power Generation (OPG) is seeking a results driven Engineer to join our Machine Dynamics & Component Integrity team in the role of Metallurgical and Welding Engineer based in our Toronto, ON location.

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.


Provide welding and metallurgy support to OPG’s thermal generating stations (fired power boilers, high energy piping, pressure vessels).

Provide welding and metallurgy support to OPG’s hydro generating stations and projects (castings repairs, casting specifications, hard facing, vendor QA/QC).

NDE interpretation and disposition of inspection reports including classification of creep damage from metallurgical replications.

Provide advice and stay apprised of welding and pressure boundary applicable codes (ASME Sec I, V, VIII, IX, B31.1, B31.3, NBIC NB-23, CSA B51, O.Reg 220-01, and TSSA Code Adoption Document).

Provide advice and stay apprised of structural welding codes and standards (CSA W47.1, W59, S16.1).

Familiar with the Ontario and National building codes and O.Reg 503/09.

Prepare and manage WPS and PQR and welding governance (review contractor WPS).

Prepare specialised repair procedures including post weld heat treatment instructions.

Perform metallurgical failure analysis of ex service components to support failure root cause investigations

Support stations with TSSA QA/QC welding manuals, TSSA audits, and CWB Welding Engineer audits.

Prepare and facilitate welding, metallurgy and PWHT workshops.


4 year university degree in Mechanical or Metallurical Engineering

Licensed Professional Engineer (P. Eng) designation in good standing with Professional Engineers Ontario (or equivalent) is required


Minimum of 10 years of welding and metallurgy experience.

Concentrated study in welding and metallurgy.

CWB Welding Engineer or equivalent knowledge or experience is preferred.

Significant experience with weld repairs of large fired boilers, pressure vessels, heat exchanges, high energy piping, and structural steel components in power generation applications.

Experience with power boiler and high temperature component failure mechanisms. Familiar with EPRI reports and guidelines for managing power boiler and HEP failure mechanisms or an equivalent peer led organization for establishing industry best practices.

Demonstrated effective interfacing and collaboration with key stakeholders.

Demonstrated effective ability to manage multiple priorities and to influence others.

Excellent communication skills (verbal and written) and interpersonal skills.

Demonstrated knowledge of the OH&S Act and Regulations, specifically for Industrial Establishments.

Results oriented with high integrity.

Valid Class G Ontario driving license (or equivalent) in good standing.


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.

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.

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.


Please submit your application online at https://jobs.opg.com/ by 11:59 PM E.S.T., August 28, 2022. 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 [email protected]