December 17, 2025
Electric Energy Jobs

Analyst Operational Assessments

Organization:
Independent Electricity System Operator
Region:
Canada, Ontario, Mississauga
End of contest:
January 8, 2026
Type:
Full time
Category:
Analyst
Description
Requisition ID: 20775

Status: Temporary up to 12 month

Business Unit: Markets and Reliability

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 role is a part of the Ex-post 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.

The Ex-post team plays a critical role in ensuring integrity in Ontario's electricity market by collaborating with both Day-Ahead and Real-Time operators to resolve discrepancies and errors to maintain accurate market data for settlement purposes. The team utilizes a variety of advanced market tools to monitor and administer market schedules and prices, making it a dynamic and impactful part of the market operations team. 

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:

  • Assist in developing appropriate processes to support Operations activities. Identify the objectives of business processes, assess the risk of not meeting those objectives and identify process controls to mitigate risk as appropriate. Document process objectives, tasks, risks and controls in summary documentation (e.g. risk-control matrices).
  • Work with senior department staff, subject matter experts (SME) from different business units to produce business process documentations including procedural instructions for Operations activities. 
  • Work with senior department staff, SMEs within and outside Operations as necessary to assist in integrating new technology/market design into IESO Operations.
  • Liaise with Operations staff to understand issues with the performance of existing operational tools and processes, and follow-up with relevant groups including Information Technology (IT) to facilitate their resolution.
  • Assist in developing end user computing tools as necessary to support Operations tasks, including operation of the IESO controlled grid and operation of the IESO administered markets.
  • Work towards developing knowledge of Operations processes (including but not limited to day-ahead scheduling, control room procedures, real-time scheduling) for the purposes of interpreting and assessing the priority of issues regarding Operations tools and processes.
  • Assist in executing forward market functions in a timely manner. 
  • Contribute to internal and external working groups and provide Operations perspective by participating in various stakeholder engagements that impact the operation of the IESO administered markets.
  • Assist senior department staff in assessing the effectiveness of new programs and potential solutions to address operational and market inefficiencies in coordination with SMEs from other business units.
  • Assist in the assessment of operational events for their compliance with legislation, regulations and standards including the market rules and market manuals, NERC standards and NPCC criteria Where needed, assist in conducting root cause analysis to develop appropriate mitigation plans to contain IESO's compliance risk exposure. 
  • Assist in conducting ex-post and ex-ante operational assessments to identify operating and ancillary services' needs to mitigate any reliability and operability risks. 
  • Support senior department staff in performing analysis by gathering and screening data, providing input where appropriate, and drafting related materials as assigned.
  • Prepare materials for meetings, reports and presentations made by senior operations staff.
  • Support, as required, specialized system and market efficiency studies
  • Provide support, as required to other business units, agencies, and market participants to fulfill strategic plans.
  • Assist senior department staff as required on key tasks and assignments.
  • Perform other duties as required.

In a typical day, you will assist in developing the appropriate processes and tools, including end user computing (EUC) tools and conducting Ex-Post assessments to identify operating and ancillary services' needs to mitigate any reliability and operability risks. 

Read the full posting.

Contact

Independent Electricity System Operator

1600-120 Adelaide Street West

Toronto

Ontario Canada

www.ieso.ca