INDEPENDENT ELECTRICITY SYSTEM OPERATOR (IESO)
Requisition ID:
20454
Location:Mississauga, ON (Hybrid)
Status:Regular
Business Unit:Information & Technology Services
Why join us?
You’ve got great skills. And you want to use them in an organization where you know what you do every day matters. We get that.
We also know that ensuring Ontarians have access to affordable and reliable power doesn’t happen by accident. So we give you the tools, flexibility and support you need to achieve your goals, and development opportunities to help you grow. You’ll thrive in a collaborative, team-based environment that values your unique skills and experiences – and recognizes that when you do better, we become even better too.
Who We Are
The Independent Electricity System Operator (IESO) works at the centre of the province’s power system, ensuring Ontarians have access to reliable and cost-effective electricity when and where they need it. We operate the province’s electricity grid 24/7, design, run and oversee the wholesale electricity markets, and plan and prepare to meet Ontario’s electricity needs – now and into the future.
The opportunity
The Supervisor, Cyber Threat Intelligence is responsible for overseeing, championing, and advancing information security cyber threat intelligence programs and ensuring that administrative and operating cyber threat intelligence functions, technologies, and partnerships are in place as required. The role will oversee and coordinate the development of standards and control procedures necessary for cyber threat intelligence and lead a team of cyber threat intelligence subject matter experts to provide an appropriate level of intelligence to the IESO’s information security team, leadership teams, and external customers.
What You'll Do
Under the oversight and management of the Senior Manager, Cyber Intelligence, Operations and Governance, the Supervisor will:
A period of over 8 years, up to and including 10 years of experience is typically required to complete the accountabilities associated with the position, including experience in an information security or threat intelligence role and experience with operational, tactical, and strategic management.
What’s In It For You
Deadline:
July 7, 2025 at 11:59PM
For future reference, please ensure to save a copy of the job description as it will no longer be available once the posting closes.
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 thank you for your interest in a career at the IESO, but we will only contact those candidates selected for an interview.
Note: The successful candidate must be eligible to work in Canada and will be subject to a background check.
The IESO offers a hybrid work model program to most of our employees, based on business needs. Individuals participating in the program can work an average of three days per week remotely within Ontario. It also offers three flex weeks when individuals can work remotely within Ontario. When working in the office, you will be located at our Mississauga, Toronto, or Oakville location.
Join our talent community
Sign up for talent community; stay in touch, find out about new opportunities – and discover how you can make a difference. Discover how we use our expertise and commitment to deliver reliable and affordable electricity to Ontario’s businesses and communities, and how we’re innovating to secure a stronger energy future for all Ontarians. Visit
Careers at IESOand be sure to follow us on
LinkedIn.
Find out
why we were selected as Greater Toronto’s Top 2025 Employers, and what we offer.
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