Senior Advisor Financial Planning and Analysis

Date: April 24, 2026

Location: Mississauga, ON – Hybrid

Requisition ID: 20997

Status: Regular

Business Unit: Corporate Services

Grade/Band: MP5

Shift Work:

Annual Pay Range: For standard 35-hour work week

Step 1: $118,456 to Step 10: $169,208

The successful candidate will be placed at the appropriate step within the salary grade/band, based on relevant years of experience and other applicable considerations.

Why join us?

The IESO is committed to ensuring Ontario’s electricity system meets the province’s needs today and into the future. We are charged with purpose, delivering reliable, affordable, and sustainable electricity for homes, businesses, and communities across the province. We are energized to grow, embracing opportunities to shape the future of a dynamic and evolving energy sector while advancing our careers. We are powered by teamwork, supported by diverse and passionate colleagues who foster respect, celebrate successes, and thrive on shared achievements. At the IESO, it’s not just what we do—it’s who we are! 

Who we are

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. Our employees play a key role in driving grid innovation, protecting the system from threats, advancing the province’s energy conservation programs, and forecasting and procuring the electricity resources we’ll need in the decades to come. 
This is a unionized position that falls within the Corporate Services Business Unit.

What makes this role exciting

The energy sector is rapidly evolving, offering exciting new opportunities for those who want to make a difference.

Reporting to the Senior Manager, Financial Planning & Analysis (FP&A), the Senior Advisor, Financial Planning and Analysis plays a key role in budgeting, forecasting and analyzing consolidated corporate financial results, leveraging best practices and exercising professional and independent financial judgment to ensure alignment with IESO’s strategy and corporate measures.

What you’ll do

In this role, you’ll make a meaningful impact by contributing to the IESO team and supporting the electricity needs of the province through:

• Oversee the consolidated budget and forecast process with the FP&A team, analyze results and prepare monthly reporting packages for senior leadership report on consolidated IESO financial results and key performance metrics
• Act a strategic partner and subject matter expert for enterprise-wide initiatives, including support for investment prioritization, resource management and efficiencies
• Proactively provide advice, guidance and well-supported recommendations, by monitoring performance and identifying risks, to support the achievement of planned objectives and management of risks vs the approved Business Plan
• Liaise with cross-functional groups to address capital vs operating resource management issues, providing recommendations to senior management for decision making, based on evaluation of alternative solutions to ensure alignment with IESO’s priorities and considering risk impacts
• Cultivate effective relationships with business leaders and other key stakeholders, to develop insight, provide advice and discuss impacts in the area of resource and financial management, resolving complex, ambiguous and changing issues independently and demonstrating flexibility of thought.
• Support the preparation of strategic communications for various external reporting when applicable (e.g. ministries, Ontario Energy Board), to ensure proper representation of IESO’s priorities and performance.
• Coordinate with Finance and Accounting team to ensure alignment of management and statutory reporting, and application of policies, standards and procedures across the business
• Lead change to support the establishment of new strategies, policies, standards, procedures, communication, process improvements and enhancements to management systems.
• Exercise limited supervision over others to assist on certain projects or assignments.

Role Requirements

Our team consists of experts from diverse backgrounds, each bringing their unique perspectives and skills. 
To succeed in this role, you’ll need: 

• Successful completion of a 4-year University degree in business administration, accounting, commerce (or equivalent)
• Accounting designation or near completion
• Experience with budget development, modeling and financial reporting, preferably in a public sector or not-for-profit organization
• Prior experience in making improvements to standardize, and simplify budgeting and forecasting processes
• High level of proficiency with the use of Microsoft Office suite of products
• Demonstrated success in organizing and delivering cross-functional projects with well-defined outcomes and adherence to timelines
• Comprehensive knowledge of business administration, accounting principles, financial and management accounting, reporting and analytical techniques
• Strong written and verbal communication skills, with ability to influence and communicate effectively across the company and externally
• Excellent interpersonal skills, that allow to ask critical strategic questions and challenge basic assumptions, while building strong relations at all levels of the organization
• Ability to conduct research and analysis, and distill this information into insightful communication tools (e.g. memos, presentations)
• Ability to provide sound recommendations supported by facts and analysis
• Strong organization and attention to detail
• A period of over 8 years, and up to and including 10 years, is considered necessary to gain this experience
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How We Support You

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. When you join the IESO, here’s what you can expect:

• Best-in-class benefits and long-term support in the form of a defined benefit pension plan. 
• Work in a dynamic and evolving sector that offers exciting opportunities and the chance to explore new career paths.
• Leadership that values meaningful discussions, welcomes feedback, and prioritizes career development. 
• A strong, inclusive culture and a collaborative team environment with a shared passion for impactful work.
• Compensation packages that are regularly reviewed to remain competitive and to best accommodate the diverse needs of our employees. 

Deadline

May 8, 2026 For future reference, please save a copy of the job posting as it will no longer be available once the posting closes.

Thank you for your interest in a career at the IESO. Only candidates selected for an interview will be contacted. Please note that the successful candidate must be legally eligible to work in Canada and will be subject to applicable background checks. 

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. 

We believe in opportunities for everyone. 

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 support they need to achieve their potential. If you require accommodation during the recruitment process, please let us know. We’re proud to say we’ve been recognized as a supportive, inclusive employer. 

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