Supervisor Programs and Ancillary Services Management

Supervisor Programs and Ancillary Services Management

Date: February 5, 2026

Location: Toronto, ON – Hybrid

Requisition : 20873

Status: Temporary

Business Unit: Power System Development

Grade/Band: MP6

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$126,308 $ 135,304 $ 144,352 $ 151,528 $ 158,756 $ 164,164 $ 169,572 $ 173,212 $ 176,800 $ 180,388

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 Power System Development Department.

What makes this role exciting

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

The Supervisor, Ancillary Service Management role is a key position within Ontario’s energy procurement ecosystem, contributing to resource adequacy program design, contract negotiations, and broader energy policy development. As part of the Resource and System Adequacy leadership team, the successful candidate will help guide major procurement initiatives that shape Ontario’s future energy landscape while overseeing the province’s ancillary service provider portfolio essential for grid reliability.

The role requires strong leadership, organization, a positive mindset, and a willingness to learn; direct experience with IESO resource adequacy programs is helpful but not mandatory.

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:

• Ancillary service portfolio oversight – overseeing current contracted suppliers to ensure they are meeting their contractual obligations, including tracking outage activity, force majeure requests and periodic testing requirements such as annual black start tests.
• Ancillary service procurement design – oversee the design of any ancillary service procurement mechanisms, strategies and processes appropriate for the type of procurement (standard offer, auction, competitive RFP, negotiation) and the type of ancillary service being sought.

In a typical day, you will:

• Lead the development of procurement documents, including program rules, request for proposals, and contracts. Help manage internal and external legal teams in drafting documents
• Implement and execute procurement processes, ensuring that all obligations are fulfilled in accordance with procurement/contract requirements
• Lead contract negotiations with counter parties, ensuring IESO and rate payer interests are upheld and IESO’s reputation and professionalism are maintained
• Remain flexible and available to assist with other projects or procurement activities and perform other duties as required.

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:

• 4-year University Degree in engineering or business (commerce or economics) is preferred; environmental, science, political…