Specialist Solutions

Independent Electricity System Operator

4d • Hybrid

About The Position

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!

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 and Technology Services Business Unit

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

Provide life cycle management of information technology solutions to the core components of IESO business related to  operating the IESO Administered Markets, providing reliable operation of the electrical system (IESO controlled grid), and other corporate requirements.

Requirements

• Requires a strong academic foundation in computer science or electrical/computer engineering, with solid theoretical and practical knowledge of IT system design, development, and management. Strong critical thinking, analytical skills, and effective communication abilities, including the preparation of technical documentation, reports.
• This knowledge is normally acquired through the successful completion of a four‑year university degree in computer science, electrical engineering, computer engineering, or a related discipline, or through an equivalent combination of education and relevant experience.
• Significant experience in designing, developing, supporting, and enhancing complex IT systems, ideally within mission‑critical or highly available operational environments.
• Strong background in systems integration, solution design, and application lifecycle management, with the ability to work across multiple technologies and platforms.
• Experience working with modern architectural patterns such as microservices, APIs, event‑driven systems, and containerized or cloud‑native solutions.
• Hands‑on experience supporting production systems, including incident investigation, root‑cause analysis, change management processes, and operational troubleshooting.
• Ability to balance competing priorities across project delivery, operational tasks, maintenance activities, and unplanned production needs.
• Strong analytical and critical thinking skills, with the ability to break down complex problems, evaluate solution options, and make sound technical recommendations.
• Experience collaborating with cross‑functional teams, preparing technical documentation, and communicating complex concepts clearly to both technical and non-technical stakeholders.
• Demonstrated experience refactoring, modernizing, or re‑platforming legacy systems to improve maintainability, scalability, or performance.
• Strong familiarity with information security principles, identity and access management practices, and secure design considerations in on-prem, hybrid or cloud‑native environments.
• Exposure to or hands‑on involvement in DevSecOps practices.
• Experience supporting systems that operate under strict uptime, reliability, or availability requirements, with the ability to work effectively within environments governed by tight SLAs.

Nice To Haves

• Knowledge of the business operations of the electricity market and related administrative processes is considered an asset.
• Demonstrated ability to learn and understand domain‑specific business processes; familiarity with the electricity market or power system operations is an asset but not required.
• Knowledge of optimization techniques or experience supporting optimization‑based systems is considered a strong asset.

Responsibilities

• Develop and test integrated IT solutions for business and operations processes supporting grid reliability and market administration.
• Conduct analysis of customer requirements and produce functional specifications.
• Oversee the evolution and enhancement of systems related to market operations and reliability services.
• Support and participate in projects that enhance existing systems or deliver new solutions by providing technical expertise, solution evaluation, and implementation support.
• Create solution design alternatives that meet business and technical requirements, ensuring alignment with architectural standards and adherence to the full SDLC process.
• Assess legacy monolithic applications and support their redesign toward cloud-native, containerized, or microservices-based architectures.
• Support mission‑critical operational systems through an on-call rotation.
• Support system operations and maintenance activities by following established IT service management practices, and apply familiarity with the ITIL framework (incident, problem, change, release processes).
• Identify opportunities for improved system performance, scalability, and maintainability.
• Provide support and mentor junior staff in modern engineering practices.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level