Independent Electricity System Operator (IESO)

Verified Job Source

Connecting Today. Powering Tomorrow.

Toronto, Ontario

Utilities

1,001–5,000 people

About

It takes a network of professionals to plan and operate the power grid. The Independent Electricity System Operator (IESO) manages Ontario's power system, meeting Ontario's needs in real-time and by planning for the future. The IESO’s unique, challenging work environment attracts diverse, highly-educated professionals from engineering, business, finance, economics, information technology, law and social sciences. Follow the IESO to learn more about us and the people who work here. Explore the Careers page to hear from current employees and discover opportunities to be part of an energized, leading-edge team with excellent opportunities for growth and development.

Open positions

Sector Account Advisor (Contract)

On-site

Date: October 23, 2026 Location: Toronto, ON Requisition ID: 21235 Status: Temporary Business Unit: Corporate Relations, Engagement and Strategy Grade/Band: MP4 Shift Work: Annual Pay Range: For standard 35-hour work week Step 1: $111,072 to Step 10: $158,704 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…

Senior Manager Culture and Organizational Development

On-site

Date: October 22, 2026 Location: Toronto, ON Requisition ID: 21301 Status: Temporary, up to 12m Business Unit: Human Resources Grade/Band: Band 4 Shift Work: No Annual Pay Range: For standard 35-hour work week - The successful placement within the range will depend on qualifications, relevant work 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 s…

Senior Manager, Financial Resource Planning and Analysis

On-site

Date: October 21, 2026 Location: Oakville, ON Requisition ID: 21343 Status: Regular Positions: 2 Business Unit: Corporate Services Grade/Band: Band 4 Shift Work: Annual Pay Range: For standard 35-hour work week - The successful placement within the range will depend on qualifications, relevant work 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,…

Student, Talent Acquisition and Total Rewards (Winter 2027 Co-op)

On-site

Date: October 19, 2026 Location : Toronto, ON Requisition ID: 21349 Status: Temporary - 8 months Business Unit: Human Resources Annual Pay Range: For standard 35-hour work week $60,080 - $75,020 The successful placement within the range will depend on qualifications, relevant work 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 f…

Administrator, Client Service Delivery

On-site

Date: October 16, 2026 Location: Mississauga, ON – Hybrid Requisition ID: 21342 Status: Regular Business Unit: Information and Technology Services Grade/Band: 62 Shift Work: Annual Pay Range: For standard 35-hour work week Step 1: $104,516.36 to Step 3: $111,187.44 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 int…

Senior Analyst, Contracts (Contract)

On-site

Date: October 16, 2026 Locatio n: Toronto, ON Requisition ID: 21324 Status: Temporary Business Unit: Legal Resources and Corporate Governance Grade/Band: MP3 Shift Work: No Annual Pay Range: For standard 35-hour work week Step 1: $104,156 to Step 10: $148,824 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…

Advisor Government Affairs

On-site

Date: October 14, 2026 Location: Toronto, ON – On-site Requisition ID: 21341 Status: Regular Business Unit: Corporate Relations, Engagement and Strategy Grade/Band: MP4 Shift Work: No Annual Pay Range: For standard -hour work week Vacancies: up to 1 Step 1: $111,072 to Step 10: $158,704 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 provi…

Director, Corporate Strategy and Sector Policy

Hybrid

The Director leads the development and implementation of corporate strategy, coordinating strategic planning and stakeholder engagement across the organization. They also oversee enterprise-wide performance reporting and lead high-profile CEO-sponsored initiatives to ensure organizational alignment.

System Operator

Hybrid

The System Operator manages the provincial power grid in real-time, overseeing the IESO Controlled Grid and Administered Markets to ensure reliable electricity supply. They perform intense analysis, execute control actions, and coordinate with neighboring reliability coordinators to maintain system integrity.

Senior Specialist Compliance Assurance

Hybrid

The Senior Specialist leads the development and maintenance of compliance processes, ensuring adherence to reliability standards set by authorities like NERC and NPCC. They also oversee risk assessments, manage regulatory filings, and provide mentorship to staff while acting as a primary liaison with enforcement bodies.

Lead Data Scientist

Hybrid

The Lead Data Scientist is responsible for scoping, designing, and implementing data models and algorithms to support smart meter data use cases. They will lead internal and external working groups, provide mentorship to team members, and translate complex data into actionable business insights.

Analyst Solutions (Appian Developer)

Hybrid

The Analyst Solutions will develop and support integrated information solutions for business and operations processes within the electricity market. Responsibilities include analyzing customer requirements, managing system evolution, and providing project management support for information systems.

Analyst Solutions

Hybrid

The analyst will contribute to the development, testing, and lifecycle management of information technology solutions for the IESO administered markets and power system operations. They will also perform requirements analysis, provide project management support, and identify opportunities for system enhancements to improve reliability and efficiency.

Specialist Solutions (Oracle Fusion Specialist)

Hybrid

Develop and oversee integrated information technology solutions for the IESO's market and power system operations. Lead the implementation and operationalization of Oracle Fusion ERP while facilitating process standardization and organizational efficiency.

Specialist Solutions (Oracle Fusion Specialist)

Hybrid

The specialist will manage the lifecycle of IT solutions for IESO business operations and lead the implementation of Oracle Fusion ERP. They will also oversee system enhancements, conduct requirement analysis, and provide project management support to improve grid and market operations.

Specialist Information Security

Hybrid

The Specialist will coordinate and plan the delivery of information security services to maintain the integrity of vital computer applications and systems. They will also contribute to security policy development, manage identity and access governance, and support regulatory compliance and audit activities.