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Health Physicist


Whitby, ON, CA, L1N 9E3

Req ID:  39314

Status: Contract   

Working Conditions: Hybrid      

Education Level: Bachelors Degree with a focus in Health Physics, Chemistry, Applied Science, Engineering and/or a relevant study is required. Post-graduate degree with a focus in health physics is an asset,  (CHP) Certified Health Physicist, and/or NRRPT registration from the National Registry of Radiation Protection Technologists is an asset; Computer science/software engineer/programming background is an asset.

Location: Darlington, ON 

Number of Position(s): 3

Shifts(s): Days 

Travel:  No

Deadline to Apply: May 22nd, 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.  


BE THE GENERATION to help build a brighter tomorrow. 





Ontario Power Generation (OPG) is looking for dynamic, strategic and results-driven professionals to join our team in the role of Health Physicist for our Dosimetry Department located at the Whitby Health Physics Laboratory in Whitby, Ontario. 


Reporting to the Section Manager, the Health Physicist is responsible to perform regulatory review and control functions in the assigned areas of the radiation safety program in support of dosimetry for the nuclear plants and facilities on site. Participate with the Supervisor in carrying out various responsibilities regarding radiation safety as it pertains to the protection of the station personnel and the general public residing in the vicinity of nuclear stations and facilities.


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




Through a collaborative relationship with the Section Manager, the successful candidate will provide the following:  

  • Engage in the radiation protection program for the nuclear stations and facilities located on the site. Organize and schedule assignments, assign and check work. Give advice, instruction and direction on work problems.
  • Approve changes or amendments to radiological protection procedures and practices. Formulate new or revised Radiation Protection Regulations for use throughout Ontario Power Generation for review and approval, relative to control of the operation of nuclear stations and facilities. Provide advice and recommendations to the Senior Health Physicist in radiation protection policy and programs.
  • Assist Supervisor in the operations of the internal and external dosimetry service at station or site and in the estimated measurement of internal and in the estimation of external doses received in unusual situations.
  • Maintain a continuous program of education to sustain a high level of radiation protection knowledge. Assist in the development of radiation protection training courses.
  • Be responsible for the preparation of regular reports on radiological conditions and prepare reports for presentation to outside regulatory authorities, such as the Atomic Energy Control Board on the dosimetry program in support of the stations. Also prepare technical reports on radiation protection experience at the nuclear station.
  • Be responsible for ensuring a satisfactory environmental radiological program for the site and provide environmental sample analyses services.
  • Carry out, various activities in collaboration with the Radiation Control Unit, such as radiation investigations and the controlling of the transfer of radioactive materials on the site as detailed in the Radiation Protection Regulations. 
  • Interpret regulations and policy and provide technical assistance and advice on health physics to the operations group. Approve, through talks with AECL and Head Office engineering design personnel, radiation protection methods and equipment during the design and commissioning of new nuclear stations and facilities or alterations and modifications. Approve operating manual, techniques and procedures.
  • Keep up to date and well informed on all new developments in health physics and the related nuclear sciences.
  • At the request of the Supervisor provide information and advice to dosimetry, radiation protection and health physics groups for program changes which will improve radiation protection at the nuclear station and make work more efficient.
  • Perform other duties as required.





  • Bachelors Degree with a focus in Health Physics, Chemistry, Applied Science, Engineering and/or a relevant study is required.
  • Post-graduate degree with a focus in health physics is an asset,  (CHP) Certified Health Physicist, and/or NRRPT registration from the National Registry of Radiation Protection Technologists is an asset
  • Computer science/software engineer/programming  skills is an asset




  • Experience and exposure from working in/for a highly industrial industry such as; utilities, energy, power, automotive, mining, or manufacturing where gained knowledge and experience in radiation protection policies/standards and procedures is preferred;
  • Knowledge and understanding of chemistry, physics or nuclear engineering and appropriate related mathematics, to understand and apply radiation theories in the assessment of radiation hazards and the development of radiation protection practices;
  • Experience with radiation protection and the related problems that can arise within large nuclear plants and the methods used in dealing with them; expertise with radiation instrumentation, electronics and wireless technologies would be a particular asset;
  • Knowledgeable of related legislation and its influence and our responsibilities to the general public;
  • Experience in implementing and enforcing compliance with various radiation protection and safety programs;
  • Strong written and verbal communication skills; ability to influence and communicate effectively across the company and externally at all levels to a wide variety of people.  Effective documentation, procedure instruction, presentation and reporting writing skills are required; experience in managing projects involving cross functional teams would be an asset;
  • Broad conceptual, diagnostic and analytical skills; ability to reach well grounded, independent conclusions and influence outcomes;
  • Strong interpersonal skills, experience in shaping and maintaining productive relationships and partnership across the business unit / among all stakeholders. Be a trusted and honest broker;
  • Demonstrate critical thinking skills, experience in leading problem-solving while providing consultant/specialist services;
  • A results-oriented focus, with the ability to work independently in a fast-paced changing environment and effectively manage several projects simultaneously;
  • Commitment to high standards of procedural safety and regulatory compliance;
  • Skills with the extended suite of Microsoft Office Applications such as PowerApps, PowerBI, PowerAutomate, etc would be considered an asset
  • Database query skills such as SQL and MS Access would be considered an asset
  • Specialized software and programming skills such as MCNP and/or deterministic shielding design approach would be considered an asset


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. 


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 by 11:59 PM E.S.T., May 22nd 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