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Nuclear Operator Jobs in Ontario (NOW HIRING)

In the nuclear sector, we are busier than ever. We believe in the power of this carbon-free power ... Provide input to engineering, operating and capital cost estimates * Actively manage relationships ...

In the nuclear sector, we are busier than ever. We believe in the power of this carbon-free power ... Provide input to engineering, operating and capital cost estimates * Actively manage relationships ...

Senior BIM Lead, Nuclear Infrastructure based in Toronto, Ontario, Canada , responsible for leading ... The role supports multidisciplinary engineering and construction teams operating within highly ...

... industrial and nuclear programs. The projects we build connect communities and power future ... Job Summary The STP Operator is responsible for operating and monitoring the Separation & Treatment ...

Showing results 21-40

Nuclear Operator information

What is a nuclear operator?

Nuclear Operators, also known as reactor operators, are professionals responsible for operating and monitoring the systems that control nuclear reactors at power plants. They ensure the reactor runs safely, efficiently, and within regulatory guidelines by adjusting controls, monitoring instruments, and responding to abnormalities. Their duties also include starting up or shutting down the reactor, conducting routine inspections, and following strict safety procedures to prevent accidents. Nuclear Operators must undergo extensive training and often require licensing to operate. This role is critical in maintaining the safe production of nuclear energy.

What are the key skills and qualifications needed to thrive as a nuclear operator, and why are they important?

To thrive as a Nuclear Operator, you need a solid background in physics, mechanical systems, and safety procedures, often supported by an associate degree and completion of a rigorous training program or NRC license. Familiarity with control room instrumentation, reactor monitoring systems, and specialized simulation tools is typically required. Strong attention to detail, stress management, and effective communication are crucial soft skills in this role. These abilities are vital for ensuring safe, efficient plant operations and adhering to strict regulatory standards.

What are some common challenges faced by nuclear operators during a typical shift?

Nuclear Operators often encounter challenges such as monitoring complex instrumentation, responding quickly to alarms, and troubleshooting equipment anomalies while maintaining strict safety protocols. They must remain vigilant and focused throughout long shifts, especially during routine maintenance or unexpected incidents. Effective communication with team members and other departments is essential to ensure coordinated, safe plant operations.

What is the difference between Nuclear Operator vs Nuclear Technician?

AspectNuclear OperatorNuclear Technician
CredentialsTypically requires a high school diploma, nuclear training, and certificationRequires an associate's or bachelor's degree in nuclear technology or related field, plus certification
Work EnvironmentOperates and monitors nuclear reactors in power plantsPerforms maintenance, testing, and troubleshooting on nuclear equipment
Employer & IndustryPower generation companies, nuclear plantsNuclear facilities, research labs, power plants

Both Nuclear Operators and Nuclear Technicians work in nuclear power plants and require specialized training. While Nuclear Operators focus on operating reactors and ensuring safety during shifts, Nuclear Technicians handle maintenance, testing, and technical support. Their roles are complementary, with overlapping credentials and work environments, but distinct responsibilities within the nuclear industry.

Infographic showing various Nuclear Operator job openings in Ontario as of August 2026, with employment types broken down into 44% Full Time, 53% Part Time, 2% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Electrical Engineer, Senior, Nuclear

Hatch

Mississauga, ON • Hybrid

CA$131K - CA$181K/yr

Full-time

Re-posted yesterday


Job description

Requisition ID: 101226 

Job Category: Energy 

Location: Mississauga, ON, Canada 
 

Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 70 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you.

Our energy expertise in the oil and gas sector comprises the entire value chain - upstream, midstream, and downstream; and in the power sector includes thermal, nuclear, waterpower, renewable, hybrid, transmission and distribution, and grid modernization. Join our vision of a low-carbon world and help make positive change!


 

Are you looking to take the next step in your career? Hatch is currently seeking a highly motivated Senior Electrical Engineer - Nuclear to join our team in Mississauga.

The global energy transition is upon us. As we shift to a low carbon world, meeting the growing demand for energy will require revolutionary thinking and a variety of resources. While the market is challenging, these challenges present the biggest opportunities, and catalysts for change. 

In the nuclear sector, we are busier than ever. We believe in the power of this carbon-free power source in our fight to tackle climate change. Our teams are supporting the nuclear power renaissance with projects supporting existing plants, small and advanced modular reactor designs, nuclear sustainability for waste processing and volume reduction, long-term storage, and fusion energy development – to name just a few.

If you’re an entrepreneur with a technical soul, we want to hear from you. Join our team today and help make a consequential difference! 

You will be a part of our growing nuclear team where we ensure world-class project delivery through the skills of our people, methodologies, governance, and systems.   Responsibilities and duties will include, but not be limited: 

  • Prepare engineering work packages ensuring budgets and schedules are met 
  • Define electrical project requirements as they are related to scope, cost and schedule 
  • Develop and/or review electrical deliverables such as design requirements, single line diagrams, schematics, datasheets, technical specifications, and more 
  • Willingness to mentor junior and intermediate staff 
  • Interface with other engineering disciplines including participation in design reviews
  • Participate in HAZOP, COMS and other safety related reviews as required 
  • Provide input to engineering, operating and capital cost estimates 
  • Actively manage relationships with clients and vendors 

You bring to the role:  

  • B.Sc./B.Eng. electrical engineering degree from an accredited university 
  • A registered professional engineer in Ontario, or eligible to obtain 
  • Valid Security clearance for Canada, or the ability to obtain 
  • Minimum 10 years' experience in project engineering specific to electrical design 
  • Excellent communication and interpersonal skills 
  • Excellent planning and organizational skills 
  • Ability to function with minimal supervision 
  • Experience with working inside a Nuclear Quality Management System compliant with CSA N286, NQA-1, and / or ISO 19443
  • Familiar with grading approach for engineering and procurement activities 
  • Sound understanding of design engineering codes and technical standards specifically CSA N series standards, CEC, NEC/NFPA, IEEE, OESC 
  • Experience with construction and commissioning 
  • Experience with ETAP or similar electrical analysis software
  • Experience working in the Canadian nuclear industry with clients such as Ontario Power Generation, Bruce Power and Canadian Nuclear Laboratories
  • Experience with Engineering Change Control (ECC) processes within the Canadian nuclear industry including CANDU station configuration management systems and systems such as Online Wiring.
  • Preference for those with DTL or DE qualifications at Canadian nuclear facilities 
  • Eligible to work on export-controlled projects subject to 10 CFR 810

Base salary range: $131,000 - $181,000

At Hatch, we are committed to fair and equitable compensation practices. In accordance with legislated pay transparency requirements, the expected salary range for this position is based on current market data and aligned with internal pay structures to ensure consistency and fairness.

Your individual compensation within this range will depend on factors such as skills, experience, qualifications and location. In addition to base pay, our total rewards package may include performance-based incentives, comprehensive benefits, and other programs designed to support your well-being and growth.

Why join us?

  • Work with great people to make a difference
  • Collaborate on exciting projects to develop innovative solutions
  • Top employer


What we offer you?

  • Flexible work environment
  • Long term career development
  • Think globally, work locally

Don't meet every single requirement? You don't need to. At Hatch, we are building a diverse, inclusive workplace that fosters innovation. If you're interested in this role, we encourage you to apply even if your past experiences don't perfectly align with the skills we've listed.

We're committed to fostering a workforce that reflects the diversity of the communities in which we operate and serve. Hatch is an Equal Opportunity Employer that considers applicants without regard to age, race, color, national origin, citizenship, religion, creed, gender, sexual orientation, marital status, disability, veteran, or any other protected status. If you have any accommodation requirements, please let us know. We'll do our best to meet your needs in accordance with applicable local legislation.