Job DetailsDate: April 17, 2026Location: Mississauga, ON – On-siteRequisition ID: 20965Status: RegularBusiness Unit: Markets and ReliabilityGrade/Band: MP4Shift WorkAnnual Pay Range: For standard 35‑hour work weekStep 1: $111,072 to Step 10: $158,704What You’ll DoLead the development of base cases including PSCAD base cases to support Ontario and regional reliability studies by the IESO, participants and other external organisationsDevelop and maintain suitable models including Electromagnetic Transient (EMT) models to support the IESO’s Energy Management and Market Systems to enable the applicable real‑time and day‑ahead operations. Provide leadership on technical approaches to this development and support capacity.Establish recommended approaches for efficient and innovative means to maintain and support the IESO’s contingency analysis software used by off‑shift and on‑shift staff.Specify and review the results of tests to confirm that facilities including Inverter Based Resources (IBR) connected to the IESO‑controlled grid satisfy the IESO’s performance requirements. Based on the results of performance tests, recommend transmission and generation models including EMT models suitable for planning and operating studies.Support IESO security, adequacy and operability obligations found in the Market Rules and in applicable NERC and NPCC reliability standards.Lead and prepare key reliability compliance evidence, including work procedures, RSAWs, market manuals, training material and participation in reliability audits. Act as a subject matter expert in compliance activities; such as on‑site audits and spot checks.Participate in task forces, as well as internal/external committees on matters related to the secure and economic operation of the IESO‑controlled‑grid. Represent the IESO on interconnection committees. Participate as assigned, as a representative of the IESO before regulatory agencies, etc., and endeavour to advance the interests of the organisation in designated areas.Supply a consultative service to other departments and/or business units on matters related to adequacy, security, operability.Provide guidance and mentorship to other members of the group. This may include problem resolution,



training and quality checks.Sign or sign and seal documents as a P Eng., thus taking professional responsibility for one’s own work.Sign or sign and seal documents as a P Eng. for peer review, or to assume professional engineering responsibility for engineering work performed by unlicensed staff.Mentor and assist training of new and/or junior staff.Exercise limited/periodic supervision over assigned staff on special projects.Perform other duties as required.QualificationsRequires an advanced engineering knowledge of electrical theory, power system analysis and control, associated mathematics and computer science to undertake complex engineering, economic or analytical studies related to the management and control of the bulk power system. Requires knowledge of technical writing to prepare effective reports.This knowledge is acquired through the completion of an engineering/applied sciences degree from an accredited university or by having the equivalent education. Additional study in areas of advanced engineering knowledge, as may be attained through self‑study and long‑term association with the job demands, combined with short specialised courses, are required to carry out the job requirements. The completion of a related post‑graduate degree is preferred, but not required.Requires strong understanding of IBRs theory, operation, limitations and performance, particularly their impact on power system stability during system disturbances.Proficiency in EMT analysis using the PSCAD software package.Requires experience in conducting EMT studies for IBR integration. This includes evaluating the potential for adverse interactions between IBRs and existing synchronous generators,



as well as assessing IBR‑to‑IBR control interactions in areas with a high penetration of power electronic controlled devices.Requires a licence to engage in the practice of professional engineering in Ontario and be competent in the field of electrical engineering.Requires significant exposure to the overall power system operation through progressive training as an engineer in this technical field. Requires specific experience as applicable to the particular specialty of the group including that of encompassing a leadership role in the undertaking of studies and investigations in this particular field. Experience will include completion of practical on‑the‑job training and experience completing work related to the fields of:Utilisation of generation resourcesSecure operation of bulk electricity systemReliabilityBackground ExperienceElectrical engineering design concepts as they relate to the functions and characteristics of power system componentsAnalytical studies and the application of computer techniques to solve power system problemsFamiliarity with power system operation, practices and policiesFamiliarity with electric energy and transmission rights market operations, practices, policies and Market RulesCompetitive market operationsProvincial operating and system requirementsParticulars of power system operation, including technical features of equipment and facilities, high‑tension transmission, system interconnection and methods of attaining efficiency in power production and interchange between systemsA period of over 8 years, up to and including 10 years is considered necessary to gain this experience.BenefitsBest‑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 prioritises career development.A strong, inclusive culture and a collaborative team workplace with a shared passion for impactful work.Compensation packages that are regularly reviewed to remain competitive and to best accommodate the diverse needs of employees.The IESO respects diversity and is an inclusive employer. The company values the unique skills and experiences of every team member and commits to providing an accessible and supportive work environment.#J-18808-Ljbffr

📌 Power System Engineer - C$111,072 - C$158,704 A Year (Winnipeg)
🏢 IESO
📍 Winnipeg