{"id":3325835,"url":"https://alion.io/job/atkinsrealis-senior-mechanical-engineer-5","title":"Senior Mechanical 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":427,"ghost_share":0.002,"stale_share":0.637,"repost_share":0.009,"time_to_fill_p50_days":42,"computed_at":"2026-10-29T05:49:05Z"}},"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":["Port Elgin, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":109000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":500},"experience_years_min":15,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-23T00:00:00Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-29T16:00:21Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Job Description\nOverview\nAtkinsRéalis is looking to hire a Senior Mechanical Engineer for the Port Elgin location. This position requires an experienced, self-motivated professional capable of working independently, leading complex engineering activities, and providing technical guidance to junior staff. The successful candidate will work in a fast-paced, multidisciplinary team environment delivering engineering services for nuclear power plants within a matrix organization.\nYour role\nPrepare and review engineering documents, calculations, specifications, reports, drawings, procedures, and other technical deliverables.\nLead conceptual, preliminary, and detailed design activities for nuclear power plant systems, structures, and components.\nDefine engineering scope, technical requirements, deliverables, budgets, schedules, and resource needs.\nCoordinate multidisciplinary engineering activities and resolve technical and interface issues with clients, suppliers, project teams, and other stakeholders.\nSupport engineering changes through the applicable engineering change control processes, from concept development through implementation, commissioning, closeout, and availability for service.\nPerform and review technical assessments, calculations, design evaluations, and verification activities in accordance with applicable procedures.\nProvide pre-order and post-order engineering support, including preparation of procurement documents, technical bid evaluations, supplier document reviews, and resolution of design deviations and non-conformances.\nSupport manufacturing, fabrication, assembly, testing, installation, commissioning, and field activities, including site and supplier visits as required.\nEnsure work complies with applicable codes, standards, regulatory requirements, quality-assurance requirements, and client and company procedures.\nInterface directly with client engineering representatives and communicate technical matters clearly to peers, management, suppliers, and other stakeholders.\nMonitor and report on engineering progress, performance, risks, issues, and staffing needs to engineering and project management.\nMentor junior engineers and technical staff, provide technical guidance, and contribute to knowledge transfer and continuous improvement.\nAbout you\nBachelor’s degree in an applicable engineering discipline from an accredited university.\nRegistered Professional Engineer in a province of Canada and a member in good standing, or eligible for registration.\nA minimum of 15 years of relevant engineering experience, including significant experience in the nuclear industry and in a senior design or technical role.\nExperience coordinating multidisciplinary work and interfacing with clients, suppliers, project teams, and regulatory or authorized inspection organizations, as applicable.\nDemonstrated experience delivering modifications or engineering work for nuclear facilities through the full engineering lifecycle.\nStrong knowledge of applicable nuclear codes, standards, regulatory requirements, engineering change control processes, and quality-assurance practices.\nDemonstrated ability to prepare and review complex engineering deliverables and perform or oversee design verification.\nStrong technical leadership, problem-solving, organizational, and decision-making skills.\nExcellent written and oral communication skills, with the ability to present technical information clearly.\nResults-driven, self-motivated, and able to work independently and collaboratively in a matrix organization.\nWillingness to travel to and potentially work at project, client, or supplier sites to meet business needs.\nAdditional, preferred qualifications:\nAdvanced degree in an applicable engineering discipline.\nBruce Power Qualifications such: OE, ADE, IEE and Maximo are considered an asset.\nCompletion of key Nuclear Power School courses and exposure to system level Bruce Power training is considered an asset.\nExperience with pressure-boundary systems or components, equipment qualification, seismic or environmental qualification, design registration, or other specialized nuclear engineering activities.\nQualification or recent experience as a Specialized Professional Engineer under an applicable code or standard.\nExperience supporting procurement, manufacturing, fabrication, testing, installation, commissioning, and field engineering activities.\nKnowledge of configuration management, systems engineering, constructability, operability, maintainability, and lifecycle considerations.\nStrong presentation, facilitation, mentoring, and public-speaking abilities.\nValid Bruce Power Security Clearance is an asset.\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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