Mechanical Engineer

5 days ago


CAONMississauga Speakman Drive, Canada AtkinsRéalis Full time
Job DescriptionOverview

AtkinsRéalis is looking to hire a Mechanical  Engineer (Rotating Equipment). This position requires experienced individuals who are self-starter capable of working independently with minimal supervision. The individuals will work in a fast-paced team environment performing engineering services for Nuclear Power Plants within a matrix organization.

Your role
  • Provide mechanical and equipment engineering support, including preparing technical specifications, data sheets, reports, bid evaluations, purchase recommendations, tender packages, and quotation requests for NPP components and systems.

  • Perform conceptual and detailed mechanical design, including calculations, equipment sizing, component selection, and system layout development for nuclear steam plants.

  • Review design documents and drawings to support design verification and ensure compliance with project requirements.

  • Define project scope, track and report progress, and maintain effective communication with clients and stakeholders.

  • Interface with multidisciplinary engineering teams, clients, vendors, and suppliers to resolve design issues and coordinate requirements.

  • Provide pre‑ and post‑order engineering support such as reviewing client requirements, codes/standards, cost estimating, proposal preparation, technical evaluations, and managing design deviations.

  • Offer technical guidance to drafting and interfacing disciplines, conduct site visits, evaluate delivered equipment, and ensure adherence to all applicable codes, standards, and procedures.

About you

  • Mechanical Engineering Credentials & Experience

    • Mechanical Engineering degree and 8–10 years of EPC/OEM mechanical design experience, especially with industrial machinery and rotating equipment (turbines, generators, pumps, compressors, valves, motors, etc.).

    • Supervisory ability to lead, mentor, and train junior engineers.

  • Professional Engineering Qualifications

    • P.Eng. registration or eligibility in Ontario with the ability to seal mechanical engineering documents.

    • Nuclear plant engineering experience and certifications in rotordynamics or vibration analysis considered assets.

  • Technical Expertise in Mechanical & Rotating Equipment

    • Strong knowledge of machine design, mechanics, materials, lubrication, shaft sealing systems, pressure boundary design, and rotating equipment sizing, selection, and troubleshooting.

    • Hands‑on design experience with steam/gas turbines, condensers, heat exchangers, engines, pumps, valves, piping, and ventilation systems for nuclear facilities.

    • Familiarity with CANDU equipment is an advantage.

  • Standards & Regulatory Knowledge

    • Working knowledge of CSA‑N285.0, ASME Section III/XI, and relevant API standards (610, 612, 613, 614, 616, 617, 670, 686) related to nuclear plant components, pressure boundary equipment, and reactor systems.

  • Communication & Mobility

    • Strong written and verbal communication skills, including technical report writing.

    • Willingness to travel or work on project sites as required, with initial assignment based in Mississauga, Ontario.

Reward & benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career at AtkinsRéalis in Canada.

Enjoy competitive compensation, employee recognition, and a brilliant range of flexible benefits you can tailor to your health, wellbeing, financial and lifestyle needs.

Make the most of diverse opportunities for training and professional development to grow your skills and expertise.

And take advantage of our hybrid working culture and generous time-off policies to balance a fulfilling career with your personal life.

Be rewarded. Find out more.

About AtkinsRéalis

We'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.

Find out more.

Additional information

AtkinsRéalis 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.

By submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice.

Appropriate 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).

Successful 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.

Worker TypeEmployeeJob TypeRegular

At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.  



  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionOverviewCandu Energy Inc. is looking to hire a Senior Mechanical Engineer (Stationary Equipment). This position requires well-qualified and suitably experienced individuals who are self-starter, capable of working independently. The individuals will work in a fast-paced team environment performing and leading engineering design services for...


  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionOverviewCandu Energy Inc. is looking to hire a Senior Mechanical Engineer (Stationary Equipment). This position requires well-qualified and suitably experienced individuals who are self-starter, capable of working independently. The individuals will work in a fast-paced team environment performing and leading engineering design services for...


  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionOverviewAtkinsRéalis 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.This role will be based in Mississauga, ON.Your...


  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionOverviewReporting to the Manager of Retube Tooling – Common Tools supporting C6 Tooling Engineering Services, the Mechanical Tooling Analyst would support multiple Refurbishment projects. The candidate will be responsible for developing and/or overseeing the conceptual and detailed design, manufacturing, testing, delivery and execution...


  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionSenior Piping EngineerOverviewReporting to the Project Engineering Manager - Senior Piping Engineering will work in on piping and feeder related work providing support to major new build projects in nuclear field.This position requires an individual who is self-motivated and capable of working independently and providing instruction to other...


  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionOverviewAtkinsRéalis is currently seeking intermediate Senior Pipe Stress Analyst Engineer to join our Candu Energy Inc. engineering team in Mississauga, Ontario.This position requires an experienced individual who is self-motivated and capable of working independently or under the instruction from senior engineers. The candidate shall be...


  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionOverview​AtkinsRéalis 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.Your roleProvide design solutions and assessments...


  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionOverviewAtkinsRéalis 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.Your roleSupport the engineering change control...


  • CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionOverviewThe Fuel Channel and Fuel Handling Design Engineering Manager will lead the fuel channel and fuel channel component, and fuel handling design engineering activities for the Qinshan Units 1 and 2 Retube Project and Cernavoda Unit 1 Retube Project.Your roleReporting to the Director of CANDU 6 Retube Fuel Channel and Fuel Handling Design...

  • Senior Piping

    11 hours ago


    CA.ON.Mississauga. Speakman Drive AtkinsRéalis Full time

    Job DescriptionSenior Piping / Feeder EngineerAre you looking for a company that works on major engineering projects all over the world? Do you want to make a difference by improving the daily lives of communities worldwide? Are you seeking to join an inclusive and diverse team that you can truly count on? You've come to the right placeCome join us in...