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Administrative Assistant & Executive Assistant Professionals (Hybrid) (Durham Region & Toronto)


ON, CA, L1C 3Z8

Req ID:  41107

Status:  Contract (up to 24 Months)

Education Level:   College Diploma or relevant work experience

Location(s):   Toronto, Pickering, Whitby, Courtice or Bowmanville

Working Conditions: Flexible Hybrid Working Environment

Number of Position(s): Multiple

Shifts(s):  Day Shift (Monday to Friday)

Deadline to Apply:  December 9, 2022


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 Administrative Assistant & Executive Administrative Assistant Professionals for a variety of temporary positions that may become available on a short term/long term basis at our locations across our Toronto and Durham Region locations.


The Administrative Assistant & Executive Administrative Assistant Professionals will be responsible for day-to-day administrative support for mid to senior leaders and their departments utilizing new technologies to deliver efficient processes in such areas as in such areas as correspondence, meeting arrangements/scheduling, time management, information maintenance and general office support.  Duties may include:

  • Produce or process correspondence covering a broad array of routine and confidential subject matter including reports, statistical data, submissions for approval of budgets, human resource materials.
  • Make all necessary arrangements for meetings including the preparation of agenda, acquiring of meeting room, arranging for audio-visual or other equipment, preparing and issuing meeting notices etc. May be required to attend meetings to provide administrative support.
  • Make all necessary travel and accommodation arrangements following appropriate travel policies, including obtaining appropriate approvals for out of province and out of country travel.
  • Review forms, reports and other forms of information to be processed (time reports, expense reports etc.) for conformity to all governing requirements (policies, collective agreements, human resources policies and procedures etc.,) where pertinent, for accuracy of calculations, for account distribution and the like.


This is an exciting opportunity to work in an environment where you will contribute to OPG’s public outreach, engagement and education efforts as part of the company’s commitment to growing its social license.  



  • College diploma or certificate in office administration, legal administration, executive administration or office assistant.



  • 3-5 years of administrative experience supporting multiple managers at a time in a broad range of office functions;
  • Executive Administrative Assistant positions require 3-5 years of experience supporting a VP level manager or higher
  • Advanced Software proficiency - including Word (tested), Excel (tested), PowerPoint (tested);
  • Advanced proficiency in Microsoft Outlook and Office 365 suite of applications including One Drive, One Note, Teams, Yammer, Skype, etc.;
  • 40 accurate words per minute keyboarding skills (tested);
  • Change resilient in an agile work environment;
  • Interest in innovation and commitment to stay up to date with the latest technology;
  • Excellent oral and written communication skills;
  • Excellent knowledge of general office procedures and practices;
  • Demonstrated ability to handle confidential material and information with discretion;
  • Demonstrated ability to work independently;
  • Demonstrated ability to adapt to changing office environments;
  • Excellent proofreading skills and;
  • Demonstrated ability to exercise appropriate judgment and initiative
  • 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 work environment where safety is a fundamental value. 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 Ontario's success.

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
  • Electricity is vital to the province
  • 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 in our diverse lines of business.
  • Provide spaces for innovative thinking and solutions, digital strategies such as electronic workflows, automation, and office mobility
  • Offer different ways for you to give back to communities where we operate.
  • We support employment equity and diversity.



Please submit your application online at by 11:59 PM E.S.T., Friday December 9, 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