Business Unit: Information and Technology Services Shift Work: On-Call (Rotational) We are charged with purpose , delivering reliable, affordable, and sustainable electricity for homes, businesses, and communities across the province. 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. This is a unionized position that falls within the Business Solutions Division in the Information and Technology Business Unit.

The Solutions

Development team is responsible for developing and supporting software applications used by market participants and IESO staff.

The Analyst

Solutions position will perform several key roles such as application support & development, project management, and solution analysis. Assist/contribute to developing integrated computer-based information solutions for business and operations processes for the reliable power system operation and other administrative needs of the IESO-Administered Markets Duties include performing analysis of customer requirements, recommending functional specifications, and preparing recommended information solutions (e.g., impacting areas of software, hardware, communications and business processes) Contribute to the management and evolution of existing information systems and tools related to the market operation, supply, security, and settlement services related to the management of the power system, to allow for additional functionality,



improved reliability/maintainability and problem correction Assist/contribute to identifying opportunities for information solutions that will allow effective and economic benefits for customers Address the overall solution regarding communications, data sources, software tools, integration with existing functions, user interfaces, algorithms, etc. Assist in monitoring and assessing assigned projects to develop and expand information systems and tools Assist in providing project management support to projects or teams involved in expanding and improving information systems and tools Contribute to and carry out close customer relationships and be alert to identifying potential improvements to existing systems and propose current information system requirements Contribute to the accepted life cycle management methodology for Information Technology solutions Contribute to the security, archive and audit requirements in designing and implementing information technology solutions while considering Information Technology architecture standards and guidelines Requires academic solid knowledge of computer science and associated subjects, including robust practical ability and demonstratedall aspects of the software development life cycle This knowledge is usually acquired through the successful completion of four-year university education in the appropriate field/discipline or by having an equivalent education Requires demonstrated expertise in data queries (i.e., Oracle, MS SQL Server and MySQL) Experience in one or more of the following areas would be an asset: Experience with design, code, test,



debug and document enterprise software applications Knowledge of operating systems, application servers, web servers, and web application architectural concepts Strong background in logical data modelling Familiarity with software delivery methodologies such as Agile/Scrum Experience with Appian BPM, low-code, and Web Services solutions 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.

Best-in-class benefits and long-term support in the form of a defined benefit pension plan. 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.

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.

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.

📌 Analyst Solutions (Appian Developer) (Mississauga)
🏢 Independent Electricity System Operator
📍 Mississauga