Date: September 17, 2026
Location: Mississauga, ON – Hybrid
Requisition ID: 21197
Status: Regular
Business Unit: Information and Technology Services
Grade/Band: MP2
Shift Work:
Annual Pay Range: For standard 35-hour work week
Step 1: $97,708 to Step 10: $139,568
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 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 Market Ops & Forecast Systems Department in the Information & Technology Services Business Unit.
What makes this role exciting
The energy sector is rapidly evolving, offering exciting new opportunities for those who want to make a difference.
- Assist in the provision of life cycle management of information technology solutions to the core component of IESO business in operating the IESO Administered Markets and providing reliable operation of the electrical system (IESO controlled grid).
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/contribute to the development and testing of integrated computer based information solutions for business and operations processes for the reliable operation of the power system and for other administration needs of the IESO Administered Markets. Perform analysis of customer requirements and their testability, the recommendation of functional specifications, and the preparation of recommended information solutions (ie, 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 by contributing to enhancements to allow additional functionality, improved reliability/maintainability and problem correction.
- Assist/contribute to the identification of opportunities for information solutions that will allow effective and economic benefits for customers. Address the overall solution in terms of quality, communications, data sources, software tools, integration with existing functions, user interfaces, algorithms, etc.
- Assist in the monitoring and scrutiny of assigned projects for the development and expansion of information systems and tools.
- Assist in the provision of project management support and quality assurance to projects or teams involved in the expansion and improvement and maintenance of information systems and tools.
In a typical day, you will
- Contribute to and carry out close customer relationships and be alert to identify potential improvements to existing systems and to propose new information system requirements.
- Contribute as directed to the development of strategic plans and standards.
- Contribute with peers and associates to advance their learning and facilitate their problem solving skills within their respective area of expertise.
- 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:
Education:
- Requires a strong academic knowledge of computer science, software systems, engineering principles, and associated subjects, including a strong theoretical knowledge pertinent to the technical and business operations of the electricity market and power system delivery. Requires understanding of system architecture, data communications, networking concepts, database technologies, and the interaction between information technology systems and power system operational technologies.
- Knowledge of electrical power systems, software engineering principles, systems analysis, network architecture, cybersecurity fundamentals, and real-time operational systems would be considered an asset.
- Requires communication skills, including technical report writing, documentation development, stakeholder engagement, and business presentation skills.
- This knowledge is considered to be normally acquired either through the successful completion of a four-year University education in the appropriate field/discipline or by having the equivalent education.
Experience:
- Requires experience or familiarity with:
- Information technology and operational technology (IT/OT) environments and the integration of software applications supporting power system and market operations.
- Distributed systems, client-server architectures, application interfaces, and system integration concepts.
- Computer networks and communications protocols, including TCP/IP, routing, switching, DNS, and network troubleshooting principles.
- Database management systems, data modelling, data analysis, and structured query languages.
- Real-time operational systems such as SCADA, market management systems, energy management applications, or related utility technologies.
- Software development lifecycle methodologies, requirements analysis, testing, deployment, and change management processes.
- Incident management, root cause analysis, problem resolution, and continuous improvement practices.
- Other areas of background experience could be in the areas of
- design concepts as they relate to the functions and characteristics of power
- system components,
- analytical studies and the application of computer techniques to solving power
- system problems,
- some familiarity with power system operation, practices and policies,
- district operating and system requirements,
- concepts of power system operation including technical features of equipment
- and facilities, high-tension transmission and system interchange between
- systems,
- familiarity with the Market Rules,
- design concepts for market scheduling and dispatch algorithm and equations,
- familiarity with market and internal bid-to-bill business processes and
- procedures,
- design concept for financial risk management at the IESO administered market
- level
- familiarity with various market administration processes and procedures.
- A period of over four years, up to and including six years, is considered necessary to gain this experience.
How We Support You
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. When you join the IESO, here’s 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.
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 environment - one that values every team member’s 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. We’re proud to say we’ve been recognized as a supportive, inclusive employer.
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