Job Title

Security Analyst (Risk Assessment & Architecture) Date: November 24, 2025 Location: Mississauga, ON Hybrid Join to apply for the Security Analyst (Risk Assessment & Architecture) role at Independent Electricity System Operator (IESO) . Why Join Us? The IESO is committed to ensuring Ontarios electricity system meets the provinces needs today and into the future. We are charged with purpose, delivering reliable, affordable, and sustainable electricity. Who We Are Our central role includes managing the provincial power grid in realtime, overseeing Ontarios electricity market, engaging with government, municipalities, and Indigenous communities, and planning for future electricity needs. What Makes This Role Exciting Coordinate, plan, or organize the response to a detected cybersecurity issue within the IESO and the Ontario electricity industry, serving as the first technical contact in the organization around cyber security operations. What Youll Do Oversee/monitor access logs and privileges. Contribute to the development of Information Security standards and procedures for business units. Support delivery of Security Operations and Technology programs for applications, tools, antivirus, encryption, firewalls, and vulnerability management. Provide input to supervision on all areas of Information Security. Develop and deliver awareness training and general Information Security education. Provide strategic, operational, and technical insight to ensure readiness to detect current and future threats. Review and modify security technology rules and filters for detection and prevention. Create and implement automation routines and tools for security correlation. Identify and streamline redundant monitoring or data collection tasks. Assist service provider SOC analysts in explaining solutions and technologies. Keep uptodate on SOC technology and vulnerability assessments. Install, operate, and manage approved security tools and applications. Participate in improvement efforts to gather, analyze, and define security operations requirements. Perform product evaluations and recommendations for security products and services. In a Typical Day, You Will Develop, document, and present general and technical presentations. Serve as the first point of contact from the service provider during business hours. Provide leadership and insight for security monitoring and incident investigation. Handle confidentiality issues requiring high trust and integrity. Perform other duties, tasks, or projects as required. Role Requirements Our team consists of experts from diverse backgrounds, each bringing unique perspectives and skills. Education Sound knowledge of computer science, IT, and telecommunications systems. Good written and oral communication skills. Typically a university degree in Computer Science or related discipline. Experience Experience conducting threat and risk assessments. Experience coordinating/analyzing enterprise security systems on diverse platforms, especially Windows NT and UNIX. Experience with networking products and large system implementation. Experience as part of large multidisciplined projects with system vendors; requires project management skills. Minimum 46 years of relevant experience. How We Support You Bestinclass benefits and a defined benefit pension plan. Hybrid work model with flexible remote and inoffice options. Opportunities to explore new career paths in a dynamic sector. Leadership that values meaningful discussions and supports development. Inclusive culture and collaborative team environment. Competitive compensation packages regularly reviewed. Additional Information Thank you for your interest in a career at the IESO. Only candidates selected for an interview will be contacted. 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. We believe in opportunities for everyone. At the IESO, we embrace diversity by attracting, developing, and retaining people from a wide variety of backgrounds. We create an accessible and inclusive environment that values every team members abilities and ensures they have the support they need to achieve their potential. If you require accommodation during the recruitment process, please let us know. #J-18808-Ljbffr