Mechanical Design Engineer- Nuclear

CA.ON.Mississauga.2251 Speakman Drive, Canada

Full Time

Posted July 17, 2026

$120k - $179k· Est.

Application opens on company website

Source: Workday View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed October 7, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Nuclear Energy
Pay provenance: Estimated benchmark; not employer-provided

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Perform conceptual, preliminary and detailed mechanical design engineering work for reactor components to applicable codes, standards and procedures meeting quality, budget, and schedule expectations.
Conduct and/or lead conceptual, preliminary and detailed phases of the engineering work for reactor components.
Prepare 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.).
Support the technical leads and management in the development, planning, and scheduling the work.
Support new proposals, procurement engineering, manufacturing, qualification, and installation of the items and components designed.
Define own work scope, prepare responses to technical questions, communicate to client as needed, monitor and report progress on own work.
Prepare and review TSSA registration packages for pressure boundary designs and modifications.
Interface with the regulatory bodies, such as: TSSA and CNSC, as required.
Perform design review and design verification for the design and engineering work done by others.
Provide prompt response and engineering resolutions on any critical engineering related matters.

This is a mechanical engineering position, in the area of CANDU nuclear reactor and major components design. The requirements for this position are:
A bachelor’s or master's degree in mechanical engineering (or equivalent) from a university of recognized standing.
Licensed or eligible to be licensed as Professional Engineer in the Province of Ontario.
Minimum 5 years of mechanical engineering experience.
Experienced in the application of GD&T.
Experience in classical stress calculation.
Familiarity or working knowledge of nuclear ASME Code and CSA Standards is considered an asset.
Knowledge of design process required, as well as basic knowledge of scheduling to aid project schedules.
Proficient in Microsoft Excel, Mathcad, or similar programs to perform calculations.

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.