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 and detail design engineering work for CANDU reactor components to applicable codes, standards and procedures.
The design activities include but are not limited to the preparation of design documents, technical reports, including technical calculations and drawings.
Supervised by senior engineers, while adhering to project plans and schedules, conduct phases of engineering work such as supporting proposal preparation, design engineering, testing, procurement, as well as manufacturing, and installation support.
Prepare responses to technical questions, from reviewers or clients.
Report progress on day-to-day work to leads and managers.
Develop information and prepare technical documents, such as: engineering drawings and bill of materials, calculations, design specifications, design assessment, design requirements, design manuals, technical specifications (for testing, fabrication, and site installation), etc.
Support the technical supervisor leads in preparing registration packages for pressure boundary designs.
Support the technical supervisor in interfaces with the regulatory bodies, such as: TSSA and CNSC, as required.
Perform reviews and design verification for the design and engineering work done by others, per qualifications.

This is a mechanical engineering position, in the area of CANDU nuclear reactor and major components design. The requirements for this position are:
Bachelor's or Graduate degree in Mechanical Engineering (or equivalent) from a university of recognized standing.
Candidate to be licensed or soon eligible to be licensed as a Professional Engineer in the Province of Ontario.
Mechanical design experience 3 to 6 years.
Experience in classical stress calculations.
Experience in working following codes, standards and procedures.
Trained and experienced in the application of GD&T is an asset.
Proved record of working as part of a multi-disciplinary team.
Proven record to work independently and demonstrate problem-solving skills.
Proven record for strong written and oral communication skills.
Good time management skills.
Drive for continuous learning.

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.