We are charged with purpose, delivering reliable, affordable, and sustainable electricity for homes, businesses, and communities across the province. Our central role includes managing the provincial power grid in real-time, overseeing and evolving Ontario's electricity market, engaging with government, municipalities and Indigenous communities, and planning for Ontario's future electricity needs. This is a unionized position that falls within the Internal Audit Department of the Corporate Services Business Unit.
If you're passionate about being a well-rounded audit professional, this role offers the prospect to work across the organization, serve as a trusted advisor to business leaders, and drive improvements that make a real impact. Reporting to the Manager Internal Audit, you'll partner with teams throughout the organization to execute internal audits that strengthen risk management, governance, and internal controls. Rather than specializing in a single area, you'll serve as the subject matter expert for the end-to-end execution of internal audits and reviews across a variety of internal functions including IT, operational, governance, and compliance. If you enjoy tackling new challenges and building relationships across functions, this role offers the chance to stay on your growing edgeLead a diverse portfolio of technology, operational, and compliance audits that help the organization manage risk, strengthen controls, and achieve its strategic objectives.
Partner with stakeholders across the business to identify emerging risks, uncover root causes, and recommend practical solutions before issues become bigger challenges.
Evaluate the effectiveness of business processes, governance practices, and internal controls, helping teams proactively address risks and improve performance.




Deliver reports to senior leadership in a way that inspires action, influences decision-making, and supports continuous improvement.
Help internal teams build stronger processes from the start by providing risk and control consults on new systems, projects, and business initiatives before they go live.
Extensive business administration knowledge acquired through the completion of a Bachelor's degree in a relevant field of study such as business, accounting, management, engineering, or equivalent working experience.5+ years of experience in progressive audit-related roles such as external audit, internal audit, risk management, internal controls, or another related function.
Experience influencing senior leadership to obtain support to implement recommendations to reduce risk and improve control of internal processes.
Experience with evaluating the effectiveness and efficiency of business processes to guide decisions on how to improve performance.
Strong understanding of risk-based auditing methodologies, internal auditing standards such as the IIA, internal control frameworks, and technology risk management principles.
Ability to build credibility and effectively engage with managers, directors, and senior stakeholders across business and technology functions.
Chartered Professional Accountants (CPA)Chartered Accountant (CPA, CA)Certified Management Accountant (CPA, CMA)Certified General Accountant (CPA,



CGA)Certified Internal Auditor (CIA)Certified Information Systems Auditor (CISA)Certification in Risk ManagementCertification in Control Self-Assessment Knowledge of the electrical or energy sector structure, business, and regulatory requirements related to risk management or control and performance measures is an asset.
From a comprehensive total rewards program to dynamic learning and development opportunities—including job rotations to broaden your expertise,we empower you to define and shape your own success. Best-in-class benefits and long-term support in the form of a defined benefit pension plan.
IESO will not conduct interviews or offer positions via online, text, chat or social media platforms. We will not gather personal information directly from candidates or potential candidates. Selected candidates will work with our Talent Acquisition team to ensure their application is processed.
The IESO currently has a 3-day in-office work week for applicable roles. Over the course of 2026, the IESO will advance plans to acquire additional office space to accommodate more in-office time. While the timeline for moving to a full 5-day in-office model has not yet been established, we are committed to keeping employees and candidates informed as plans progress and give them as much advance notice as possible to prepare for any changes.
At the IESO, we know that achieving great results depends on embracing diversity by attracting, developing, and retaining people from a wide variety of backgrounds. We do this by ensuring our recruitment and advancement policies are fair and equitable, and by creating an accessible and inclusive environment
- one that values every team member's unique skills and experiences and ensures they have the suppo

📌 Auditor Senior (Canada)
🏢 Independent Electricity System Operator
📍 Canada