Mechanical Technician- Small Modular Reactor (SMR)

Status:  Permanent Full Time 

Education Level: two years of post-secondary education in a related field, or a Certificate of Qualification in a relevant trade

Base Location: Oshawa, ON

Shift: Days and/or rotating shifts including nights, weekends and holidays

Travel: 10%

Deadline to Apply: July 19, 2026

Salary Range: $42.82 - $66.22 Per Hour

Electrify your career and help build a brighter tomorrow.

Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us as we work to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.

Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on -- and off -- the job.

JOB OVERVIEW

Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Mechanical Technician- Small Modular Reactor (SMR).

Reporting to the Director SMR Plant Maintenance, this position is responsible for protecting people, facilities, and operations by responding to emergency situations, supporting fire prevention programs, and ensuring radiation protection and contamination control standards are maintained.  In this position, you will play a key role in maintaining and repairing critical plant equipment, supporting safe and reliable operations, leading maintenance activities, and providing technical expertise, training, and mentorship to support both day-to-day work and outage activities.

KEY ACCOUNTABILITIES 

• Respond to emergency situations, including fires, medical incidents, hazardous materials events, rescues, and workplace safety concerns, using specialized emergency response equipment.
• Perform radiation protection and contamination control activities, including decontamination procedures, equipment cleaning, and maintaining clean work environments.
• Manage fire prevention programs by issuing hot work permits, reviewing fire-related documentation, and supporting compliance with fire safety standards.
• Install, inspect, troubleshoot, maintain, repair, and overhaul mechanical equipment and systems used in generating stations and industrial facilities.
• Conduct precision maintenance activities, including equipment alignment, vibration analysis, balancing, testing, welding, fabrication, and component repair.
• Operate a variety of equipment and vehicles, including forklifts, cranes, trucks, precision tools, and specialized maintenance equipment.
• Plan and coordinate maintenance activities by preparing work orders, developing work instructions, maintaining records, writing procedures, and providing technical support for projects and daily operations.
• Support safe and reliable plant operations by training and mentoring technicians, monitoring contractor work, participating in outages and shift work, and promoting a strong health and safety culture.

QUALIFICATIONS

• Grade 12 diploma (or equivalent) and either two years of post-secondary education in a related field or a Certificate of Qualification in a skilled trade
• Preferred Trade Certification of Qualifications include:
  • Industrial Mechanic Millwright (433A)
  • Refrigeration and Air Conditioning Systems Mechanic (313A)
  • General Machinist (429A)
  • Plumber (306A)
  • Construction Millwright (426A)
• Valid Ontario Class G driver's license (or equivalent) with the ability to travel and operate vehicles to support operational requirements.
• Strong foundation in mechanical, technical, industrial, or related disciplines gained through education, apprenticeship, or trade certification.
• Commitment to meeting all job-related training, certification, and qualification requirements.
• Ability to work shifts including days, evenings, and nights.

The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.

OPG is committed to fostering an inclusive, equitable, and accessible environment. If you require accommodation during the selection process, please contact AODA@opg.com

What makes a career at OPG different?

With operations across Ontario, OPG is one of the most diverse power producers in North America. As the largest generator in Ontario, we meet approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro. 

As we work to achieve our vision of Electrifying life in one generation, OPG and our family of companies are also helping advance the development of new low-carbon technologies such as Small Modular Reactors (SMRs), refurbishment projects, and electrification initiatives to help power the growing demands of a growing economy. Join OPG and make history.

The Darlington New Nuclear Project is leading the way in the advancement of Small Modular Reactor (SMR) technology in Canada – the future of nuclear power generation! Using new and innovative technologies such as small modular reactors, hydrogen and battery storage, while expanding our hydroelectric and nuclear portfolios, we are changing the electricity landscape in Ontario.

Please submit your application online at https://jobs.opg.com/.  OPG thanks all those who apply; however, only candidates considered for an interview will be contacted.

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