Senior Mechanical Engineer - Nuclear, Mississauga EOIDate: May 19, 2026Company: HatchRequisition ID: 99679Job Category: EnergyResponsibilitiesPrepare engineering work packages ensuring budgets and schedules are metDefine mechanical project requirements as they are related to scope, cost and scheduleDevelop and/or review mechanical deliverables such as design requirements, design criteria, engineering calculations and systems analysis, technical specifications, design criteria, datasheets, layouts, and morePrepare design completion assurance certificates, analysis statements and engineering reports for registration and fitness of service assessmentsSupport classification of nuclear and non-nuclear code boundariesSeal documentation required with regulatory bodies for registration of systems such as Canadian Registration Numbers (CRN)Assist with technical queries raised during construction and commissioning of projectsWillingness to mentor junior and intermediate staffInterface with other engineering disciplines including participation in design reviewsParticipate in HAZOP, COMS and other safety related reviews as requiredActively manage relationships with clients and vendorsProvide input to engineering, operating and capital cost estimatesQualifications & ExperienceB.Sc./B.Eng in mechanical engineeringRegistration as a skilled engineer in Ontario, or eligible to obtainValid security clearance for Canada,



or the ability to obtainMinimum 10 years' experience in project engineering specific to mechanical designExperience in leading mechanical teams in multidisciplinary nuclear projectsExperience working inside a nuclear quality management system compliant with CSA N286, NQA-1, and/or ISO 19443Familiar with CSA N285, ASME Section III Boiler and Pressure Vessel Code, ASME B31.1 Power Piping, and B31.3 Process PipingExcellent communication and interpersonal skillsExcellent planning and organizational skillsAbility to function with minimum supervisionExperience in client engagement as a mechanical lead in nuclear projectsFamiliar with engineering management lead in nuclear projectsExperience working in the Canadian nuclear industry with clients such as Ontario Power Generation, Bruce Power and Canadian Nuclear LaboratoriesExperience with engineering change control (ECC) processes within the Canadian nuclear industry including CANDU station configuration management systemsPreference for those with DTL or DE qualifications at Canadian nuclear facilitiesEligible to work on export‐controlled projects subject to 10 CFR 810Base Salary RangeBase salary range: $130,000 - $180,000BenefitsCollaborate on exciting projects to develop innovative solutionsPerformance‐based incentives, comprehensive benefits, and other programs designed to support your well‐being and growthEqual Opportunity EmployerHatch is an Equal Opportunity Employer that considers applicants without regard to age, race, color, national origin, citizenship, religion, creed, gender, sexual orientation, marital status, disability, veteran, or any other protected status. If you have any accommodation requirements, please let us know. We'll do our best to meet your needs in accordance with applicable local legislation.#J-18808-Ljbffr

📌 Senior Mechanical Engineer - Nuclear, Mississauga Eoi - C$130,000 - C$180,000 A Year
🏢 Hatch
📍 Mississauga