Manager Internal Audit

Status:  Permanent Full Time

Working Conditions : On-site

Education Level: 4-year University Degree in Business, Finance, or related field.

Base Location: Oshawa, ON

Shift: Days

Travel: 10%

Deadline to Apply: June 10, 2026

Salary Range: $111,000.00 - $161,000.00 Per Year

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 Manager, Internal Audit .

Reporting to the Senior Manager, Internal Audit, the Manager, Internal Audit is responsible for the planning and delivering of a wide variety of audit services across OPG. The successful candidate will manage multidisciplinary audit professionals to deliver internal audit services to our stakeholders. 

The role of Manager, Internal Audit, offers a unique opportunity to gain exposure, experience many key facets of OPG, and provide well-rounded insight into the operational aspects of our organization, as well as exposure to OPG's risk management and control frameworks and practices.

KEY ACCOUNTABILITIES 

• Schedule, plan, perform, and coordinate activities for assigned audits and advisory engagements. Liaise with management on the planned audit in areas of audit timing, scope, identified issues, and their concerns.
• Develop risk-based audit programs to meet the needs of the Board and senior management, considering corporate business objectives, strategies and risks facing the Company.
• Lead the planning and execution of the audit program, including the assessment of audit observations, as well as obtaining management responses and commitment to planned action plans together with management.
• Participate in the execution of the annual Internal Controls over Financial Reporting (ICFR) program, including conducting and reviewing testing over key controls, and summarizing and reporting results.
• Lead efforts to shift the department toward an insights-driven team, enhancing the data analysis capabilities and tools within the audit function.
• Provide quality team leadership for audit engagements, and special projects assigned, and being accountable for ensuring that methods and results adhere to audit standards.
• Report audit conclusions, recommended improvements, management actions and follow-up status to Business Unit Leaders, Corporate Function Leaders, the Executive and the Audit & Risk Committee as appropriate.
• Monitor status and resolution of management actions in response to identified control gaps

QUALIFICATIONS

• 4-year University Degree in Business, Finance, or related field and a professional audit designation, such as CPA, CIA, or CISA (CISSP, CISM, or CRISC beneficial) is required.
• Demonstrated understanding of the IIA Standards and the practice of Internal Auditing, gained through 8+ years of relevant experience, including a minimum of 5 years hands-on audit experience and 2 years’ experience supervising staff. 
• Experience with testing Internal Controls over Financial Reporting (ICFR), IT General Controls (ITGCs), application automated controls and report integrity.
• Excellent knowledge of audit methodologies, risk management practices and use of control frameworks (COSO and COBIT) to develop risk-based audit programs.
• Proficient with the use of information technology tools, an understanding of information technology environments, development of automated test programs and use of data analytics or visualization software (e.g., ACL, PowerBI, Tableau).
• Strong interpersonal and communication (verbal and written) skills including experience in building and maintaining partnerships with a wide variety of internal and external stakeholders across the organization.
• Ability to work in a fast-paced changing environment and effectively manage several projects simultaneously.
• Traveling to various OPG sites across Ontario may be required for this position, must possess a valid driver's license.

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 View email address on jobs.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.

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

#LI-Hybrid

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.