{"id":426185,"url":"https://alion.io/job/atkinsrealis-reactor-components-design-engineer","title":"Reactor Components Design Engineer","company":{"id":8926,"name":"AtkinsRéalis","domain":"atkinsrealis.com","url":"https://alion.io/company/atkinsrealis","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":84,"open_postings":405,"ghost_share":0,"stale_share":0.625,"repost_share":0.015,"time_to_fill_p50_days":45,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Mississauga, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":65000,"max_usd":111000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":500},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GD&T","optional":false},{"name":"Microsoft Excel","optional":false}],"status":"live","first_seen_at":"2026-07-07T00:00:00Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-11T23:12:47Z","board_verified":true,"closed_at":null,"days_open":128,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":122},"description":"Job Description\nOverview\nAtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the nuclear industry in Canada and around the world since for more than 60 years. We are proud to be the steward of Canadian CANDU nuclear technology.\nYour role\nPerform conceptual, preliminary and detailed mechanical design engineering work for reactor components to applicable codes, standards and procedures meeting quality, budget, and schedule expectations.\nConduct and/or lead conceptual, preliminary and detailed phases of the engineering work for reactor components.\nPrepare and review technical documents, such as: technical calculations, engineering drawings and bill of materials, design specifications, design requirements, design manuals, technical specifications (for procurement, fabrication, and site installation), code classifications, commissioning specifications, etc.\nSupport the technical leads and management in the development, planning, and scheduling the work.\nSupport new proposals, procurement engineering, manufacturing, qualification, and installation of the items and components designed.\nDefine own work scope, prepare responses to technical questions, communicate to client as needed, monitor and report progress on own work.\nPrepare and review TSSA registration packages for pressure boundary designs and modifications.\nInterface with the regulatory bodies, such as: TSSA and CNSC, as required.\nPerform design review and design verification for the design and engineering work done by others.\nSupport field construction and execution activities, such as: field changes, design revisions, commissioning, Advanced Fuel Cycle, and closeout packages for EC revisions, etc.\nProvide prompt response and engineering resolutions on any critical engineering related matters.\nAbout you\nA bachelor’s or master's degree in mechanical engineering (or equivalent) from a university of recognized standing.\nMinimum 5 years of mechanical engineering experience.\nExperienced in the application of GD&T.\nExperience in classical stress calculation.\nProficient in Microsoft Excel, Mathcad, or similar programs to perform calculations.\nLicensed or eligible to be licensed as Professional Engineer in the Province of Ontario.\nRewards & benefits\nExplore the rewards and benefits that help you thrive - at every stage of your life and your career at AtkinsRéalis in Canada.\nEnjoy competitive compensation, employee recognition, and a brilliant range of flexible benefits you can tailor to your health, wellbeing, financial and lifestyle needs.\nMake the most of diverse opportunities for training and professional development to grow your skills and expertise.\nAnd take advantage of our hybrid working culture and generous time-off policies to balance a fulfilling career with your personal life.\nBe rewarded. Find out more.\nAbout AtkinsRéalis\nWe're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.\nFind out more.\nAdditional information\nAtkinsRéalis cares about your privacy. AtkinsRéalis and other subsidiary or affiliated companies of AtkinsRéalis (referred to throughout as “AtkinsRéalis”) are committed to protecting your privacy. Please consult our Privacy Notice on our Careers site to know more about how we collect, use, and transfer your Personal Data.\nBy submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice.\nAppropriate accommodation will be provided upon request throughout the recruitment and hiring process as required by Company policy and the Accessibility for Ontarians with Disabilities Act (AODA).\nSuccessful applicants will be notified about AtkinsRéalis’ accommodation policies at the time the employment offer is extended, and the information will be shared with new personnel during the onboarding process.\nWorker Type\nEmployeeJob Type\nRegularAt AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. 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