Security Analyst

INDEPENDENT ELECTRICITY SYSTEM OPERATOR (IESO)

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 Information Security Analyst, reporting to the Supervisor of Cyber Threat Intelligence, will research, identify, track, assess, and help coordinate IESO’s response to cyber security threats both within the IESO and the broader Ontario electricity sector. This roles supports the IESO’s Security Operations, Security Architecture & Technology, and Vulnerability Management Teams - as well as external cyber security partners -  by providing accurate and timely cyber threat intelligence and threat assessments.  This Information Security Analyst, as part of the Cyber Threat Intelligence team, is a first point of when working with external stakeholders to assess cyber security threats and external incidents.

What you'll do

• Support the delivery of the Cyber Threat Intelligence programs and the associated applications and tools, system assessments, threat assessments, research, and finished intelligence products.
• Provide strategic, operational, and technical insight into, and assessment of, cyber security threats to ensure the IESO Security program is adequately prepared to detect current and future threats.
• Create, implement, and maintain automation routines and data/information collection, identification, and tracking tools for cyber security threat correlation and assessment purposes
• Provide input to supervision on all areas of Information Security.
• Contribute to the development/delivery of awareness training and general Information Security education.
• Review and modify, in conjunction with the Threat/Risk and Governance Teams, the security technology rules and filters to better detect and prevent security incidents. As part of this change, formal review and documentation of the change will need to take place to prevent outages or detrimental system impact
• Identification and formally review redundant monitoring tasks, redundant security event analysis or data duplication on collection tasks to streamline and free up system resources. Where “Reduction” occurs documentation will need to be developed explaining the proposed solution
• Assist, through strong documentation and communications skills, other analysts in explaining the solutions that were developed, designed and implemented to security operations and non-security operations personnel
• Keep abreast of geopolitical events and global or regional cyber threats.
• Keep abreast of developments in the areas of legal, regulatory, corporate requirements, technological developments, and best practices in the Information Technology and Cyber Security field.
• Conduct the installation, operation and management of approved security tools and applications.
• Participate in improvement efforts to gather, analyze, and define cyber threat intelligence and information security requirements
• Perform product evaluations and recommendations. The analyst may be asked to choose security products and services to implement, and plan the implementation based on industry best-practices or procedures
• Develop, document, and publish or present cyber threat intelligence products and assessments to technical and non-technical audiences
• Provide insight for the security monitoring and security incident investigation and response personnel
• Handle confidentiality issues, requiring high level of trust and integrity
• Perform other duties/tasks/projects as required or assigned.

What you need to succeed

• The successful completion of a university degree in the area of Cyber Security, Computer Science, Computer Engineering or related discipline or equivalent work experience

• A sound knowledge of computer science, information technology and telecommunications systems.
• Foundational knowledge of cyber security incident response, architecture, and threat intelligence practices.
• Excellent written and oral communication skills, in order to accurately and succinctly present cyber threat intelligence assessments;  review and provide input on procedures, standards and/or methods; and design/deliver training.

• Experience coordinating/analyzing enterprise security systems, or components of the security program, on a diverse set of computing platforms, operating systems and applications, especially Windows NT and UNIX.
• Functional/Technical Skills
• Customer Focus
• Analytical
• Independent Problem Solving
• Action Oriented
• Technical writing
• Learning on the Fly
• Informing
• Self-Development

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A period of over 4 years, up to and including 6 years is considered necessary to gain this experience.

What’s in it for you

• A comprehensive total rewards program, including best-in-class benefits and a flexible workplace 
• A challenging, fast-paced and collaborative team environment, where your perspectives and experiences matter 
• Leaders who support your growth and success through regular feedback and coaching 
• The opportunity to work with some of the brightest minds in the industry 
   

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 IESO and be sure to follow us on LinkedIn.

Find out why we were selected as Greater Toronto’s Top 2025 Employers, and what we offer.