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Business Unit: Legal Resources and Corporate Governance

Grade/Band: MP5

Shift Work: No

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.

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 Nuclear Development Department of the Legal Resources and Corporate Governance 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.

As Senior Advisor, Nuclear Development, you will play a key role in advancing Ontario's nuclear strategy and supporting the development of new nuclear generation. You will work on some of the province's most significant energy investments, with direct exposure to commercial negotiations, strategic policy development, project finance, and executive-level decision-making.

The role is currently focused on supporting the planning and advancement of Bruce C, a potential large-scale nuclear generation project that could become one of the largest infrastructure developments in Canada. Working closely with government, utilities, industry partners, technical experts, and senior leadership, you will help develop commercial frameworks, evaluate financing and procurement strategies, manage project risks, and support critical decisions that will shape Ontario's electricity system for decades to come.

This is a unique chance for a motivated and strategic qualified to contribute to a landmark infrastructure initiative while helping ensure a reliable, affordable, and sustainable energy future for Ontario.

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 the following activities:

Lead the execution of nuclear development initiatives, including the planning and advancement of the commercial frameworks to support major projects such as Bruce C.

Support the development and negotiation of complex commercial agreements with industry partners, project developers, advisors, and other key stakeholders.

Conduct techno-economic assessments, financial analysis, and risk evaluations to inform nuclear development strategies and support investment, procurement, and policy decisions.

Provide strategic advice and recommendations to senior leadership, government representatives, and internal stakeholders on nuclear policy, commercial strategy, and project development matters.

Coordinate multidisciplinary teams to ensure alignment across technical,



commercial, regulatory, legal, and policy workstreams.

Engage with external consultants, advisors, and subject matter experts supporting due diligence, commercial negotiations, and project development activities.

Build and maintain effective relationships with government ministries, regulatory agencies, nuclear industry participants, and Indigenous communities, where applicable.

Review and assess commercial, technical, financial, contractual, and regulatory documentation related to nuclear development initiatives.

Support and participate in commercial negotiations and strategic discussions with project partners and stakeholders.

Prepare briefing notes, reports, presentations, and recommendations to support executive and Board-level decision-making.

Represent the IESO in stakeholder engagements, industry forums, working groups, and negotiations.

Travel occasionally to the Bruce Power site and other stakeholder locations as required.

In a typical day, you willbeinvolved with leading and coordinating nuclear development initiatives, working closely with technical, commercial, legal, regulatory, and policy teams to advance major projects. The individual spends significant time analyzing financial, commercial, and risk-related information, reviewing project documentation, and developing strategies to support investment and procurement decisions. They regularly engage with industry partners, government representatives, consultants, and other stakeholders to negotiate agreements, align priorities, and resolve complex project issues. The role also requires preparing executive briefings, presentations, and recommendations for senior leadership and Board-level discussions. Throughout the day, they serve as a key advisor on nuclear policy and commercial strategy while representing the organization in stakeholder meetings, industry forums, and strategic negotiations.

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:

typically, 8 to 10 years of progressively responsible experience in electricity generation, energy infrastructure, or related sectors, with responsibilities spanning both technical and commercial functions. Experience should demonstrate the ability to synthesize complex information, engage diverse stakeholders, and develop recommendations that support strategic decision-making.

Critical knowledge gained through experience includes:

Undergraduate degree in engineering, business, finance, economics, or a related discipline,

Solid understanding of electricity generation technologies and commercial project development.

Experience in the electricity sector, with exposure to nuclear generation, nuclear project development, or other large-scale energy infrastructure.

Demonstrated knowledge of project finance, including the ability to develop, review, and assess complex financial models and perform discounted cash flow and other investment analyses.

Advanced Excel skills, including significant experience developing and maintaining financial and analytical models. Experience with other analytical tools and programming languages is considered an asset.

Strong interpersonal, written, and verbal communication skills, with the ability to influence stakeholders and convey complex information effectively.

Excellent analytical, problem-solving,



and critical thinking abilities.

Proven ability to work independently, lead initiatives, and contribute effectively within multidisciplinary teams.

Sound judgment, initiative, and the ability to navigate ambiguity in a dynamic and evolving environment.

Strong organizational skills and the ability to manage multiple priorities while delivering high-quality work within established timelines.

Sound knowledge of Ontario and North American electricity sector and the related regulatory environment.

Sound knowledge of Ontario and North American electricity markets, industry structures, and regulatory frameworks.

Assets

Direct experience supporting nuclear refurbishment or new-build projects.

Knowledge of Ontario energy sector regulation, including the Ontario Energy Board (OEB) rate-regulation framework.

Experience developing, negotiating, interpreting, or administering complex electricity sector agreements and commercial contracts.

A postgraduate degree in engineering, business, finance, economics or a related field.

A professional designation, including one or more of P.Eng., PMP, CPA, CA, or CFA.

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 advantages 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
October 21, 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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📌 Senior Advisor, Nuclear Development (Ontario)
🏢 Independent Electricity System Operator
📍 Ontario