Senior Advisor, Market & Sector Evolution

Date: January 29 2026

Location: Toronto ON On-site

Requisition ID: 20848

Status:Regular

Business Unit:Markets and Reliability

Grade/Band: MP5

Annual Pay Range: For standard 35-hour work week

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 Ontarios electricity system meets the provinces 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 its not just what we doits who we are!

Who we are

Our central role includes managing the provincial power grid in real-time overseeing and evolving Ontarios electricity market engaging with government municipalities and Indigenous communities and planning for Ontarios future electricity needs. Our employees play a key role in driving grid innovation protecting the system from threats advancing the provinces energy conservation programs and forecasting and procuring the electricity resources well need in the decades to come.
This role is part of the Markets and Sector Evolution team within Markets and Reliability. This is a union job.

What makes this role exciting

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

You will shape market design changes that influence how participants engage in Ontarios electricity market and how market services evolve to meet future needs. You will lead complex endtoend projects with high visibility to both stakeholders and senior leadership.

What youll do

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

• Monitor and interpret market policy regulatory technology and consumer trends to identify emerging issues/opportunities and inform market evolution priorities.
• Identify and frame market evolution challenges/opportunities using market performance insights stakeholder input policy direction and jurisdictional learnings.
• Develop market design options (rule manual and/or process changes) and define how options interact with existing market systems and participant behaviours.
• Quantify expected impacts and benefits (e.g. efficiency competition reliability flexibility) using appropriate analytical methods and clear assumptions and limitations.
• Develop implementation plans including requirements sequencing dependencies timelines and cost estimates; coordinate with delivery teams.
• Assess trade-offs implementation risks and market impacts; propose mitigations and decision points.
• Produce clear decision-ready recommendations and supporting documentation (e.g. issue papers option assessments decision memos reports).
• Present findings and options to leadership and governance forums; respond to questions and refine materials based on direction.
• Plan and execute structured engagement activities (materials webinars written submissions response-to-feedback).
• When market design changes are approved initiate or support implementation projects through handoff early delivery support and design clarifications.
• Coordinate across IESO teams where market design intersects with planning procurement operations settlement and program delivery.
• Lead internal and external working groups coordinate related work within the IESO and support both IESO and stakeholder readiness for market design changes.
• Develop RFP documentation support consultant selection/contracting and manage consultant deliverables by supporting analysis and materials.
• Provide limited supervision to team members supporting assigned initiatives.
• Represent the IESO on internal/external committees advising on market design.
• Perform other responsibilities consistent with the role.

In a typical day you will lead market evolution projects that shape the design and operation of Ontarios wholesale electricity market. Youll research emerging trends develop market design options assess impacts and prepare clear recommendations to support evidencebased decisions. Your work will focus on operationaltimeframe rules and processessuch as bidding scheduling dispatch and settlementand on addressing interfaces between market design planning procurement and operations. Youll collaborate with internal staff engage with stakeholders and represent the IESO as a subject matter expert. The changes you help design will shape the services offered in the market how participants interact with them and how market rules and processes evolve to support Ontarios changing electricity system.

Role Requirements

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

• Bachelors degree in a relevant discipline (e.g. engineering economics business public policy or related).
• Graduate degree is an asset but not required.
• Typically 810 years of progressively responsible experience.
• Demonstrated experience in electricity market design rule development market operations and settlement and power system economics (or closely related work).
• Strong understanding of bulk power system fundamentals and how market outcomes interact with reliability and system operations.
• Experience developing structured options impact assessments and cost-benefit and risk assessment for senior management decision-making.
• Significant experience producing high-quality technical writing (e.g. design option policy/position guidance manuals and other similar documents).
• Proven ability to work with internal and external stakeholders to gather input explain complex topics clearly and incorporate feedback.
• Experience leading projects or major workstreams including managing timelines deliverables and cross-functional dependencies.

How We Support You

From a comprehensive total rewards program to dynamic learning and development opportunitiesincluding job rotations to broaden your expertisewe empower you to define and shape your own success. When you join the IESO heres 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

February 12 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 environmentone that values every team members 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. Were proud to say weve been recognized as a supportive inclusive employer.

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