Senior Executive Administrative Assistant

Status: Regular Full Time

Working Conditions: On-site

Education Level: Post secondary diploma/degree in Business Administration Communications or a related field preferred.

Base Location: Oshawa ON

Shifts(s): Days

Travel: 10%

Deadline to Apply: October 15 2025

Salary Range: $57000 - $86000

Electrify your career and help build a brighter tomorrow.

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 Senior Executive Administrative Assistant.

Reporting to the Chief Commercial Officer of Commercial Operations & Regulatory Affairs theSenior Executive Administrative Assistantwill provide top-level administrative support. The ideal candidate will be a proactive and detail-oriented professional with exceptional organizational and communication skills. This role requires a high degree of discretion judgment and the ability to handle confidential information.

KEY ACCOUNTABILITIES

• Provide comprehensive administrative support to the senior executive including managing schedules appointments and travel arrangements.
• Review requests for meetings speaking engagements media interviews conferences etc. recognizing sensitivity and confidentiality of the office. Maintain leaders calendar regarding meetings appointments and screen calls and visitors being mindful of established priorities.
• Review meeting agendas originating in other organizations or external to OPG which requires input. Coordinate and collect briefing material for speeches meetings and conferences ensuring that the leader is adequately briefed for the meeting and take all required reference and support materials required.
• Schedule and make all necessary arrangements for meetings and conferences such as the preparation and distribution of agenda and handouts acquiring of meeting room accommodation notification of participants arranging for audiovisual or other equipment preparing and issuing meeting notices typing of minutes of the meeting covering numerous items such as labour relations negotiations organization structure staffing etc.
• Set up priority for requests and where possible refer same to other knowledgeable staff for action or respond personally to request providing required information or service.
• Take any action considered necessary to protect the leader from excessive and/or unwarranted demands on his/her work time. Maintain referral and follow up control logs to keep leader informed of impending actions progress etc.
• Arrange meetings with Senior Management Board of Directors Premiers Office Ministers or senior officials of outside companies as requested.
• Prepare and process confidential material related to overall corporate business plans organization changes executive appointments labour relations and bargaining strategy etc.
• Prepare and edit correspondence reports presentations and other documents.
• Coordinate and organize meetings including preparing agendas taking minutes and following up on action items.
• Handle confidential and sensitive information with the utmost discretion and professionalism.
• Assist in project management and follow-up on key initiatives to ensure timely completion.
• Manage expense reports budgets and other financial documents.
• Perform other administrative duties as required to support the executive team.

QUALIFICATIONS

• Post secondary diploma/degree in Business Administration Communications or a related field preferred.
• Minimum of 5-7 years of experience in an executive administrative support role.
• Exceptional organizational skills and attention to detail.
• Strong written and verbal communication skills.
• Proficiency in Microsoft Office Suite (Word Excel PowerPoint Outlook) and other relevant software.
• Ability to prioritize and manage multiple tasks and deadlines in a fast-paced environment.
• High level of discretion and confidentiality.
• Strong problem-solving skills and the ability to work independently.
• Excellent interpersonal skills and the ability to work effectively with all levels of the organization.

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

What makes a career at OPG different

With operations across Ontario and the United States OPG is one of the most diverse power producers in North America. As the largest generator in Ontario we meet approximately 50% of the provinces 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.

Please submit your application online at OPG thanks all those who apply; however only candidates considered for an interview will be contacted. #LI-Onsite

Please note: All job postings at OPG are to fill existing vacancies within our organization.

OPG may use artificial intelligence (AI) tools as part of the applicant screening process. However applications will also be reviewed by a member of our Recruitment team to ensure a fair and thorough assessment.

The base salary range considers many factors including but not limited to experience education and training including any collective agreement requirements for union represented positions. It is not typical for the salary to be offered near the top of the range and salary is dependent on numerous factors. For management roles the base salary range does not represent the total compensation package. The total compensation package for regular full-time management roles includes pay-for-performance programs for annual and medium time periods. Maintaining a high-performance culture and excellence is a core expectation of every member of our leadership team and is rewarded through the established compensation framework.

OPG is committed to employment equity. As such we encourage applicants from equity-seeking communities (Indigenous Peoples racialized persons persons with disabilities and women). We strongly believe that alleviating the under-representation of equity-seeking individuals will create a stronger OPG team and allow us to better serve the needs of our diverse communities.

In order to fulfill the above-mentioned purpose priority in hiring may be given to qualified persons who self-identify as a member of equity-seeking groups as identified in the application process. This initiative constitutes a special program under the Human Rights Code/Canadian Human Rights Act.