Principal Engineer - Mechanical

Mississauga, Ontario, Canada

AtkinsRéalis is looking to hire a Senior Mechanical Engineer. This position requires experienced individuals who are self‑starter capable of working independently and leading/supervising junior engineers. The individuals will work in a fast‑paced team environment performing engineering services for Nuclear Power Plants within a matrix organization.

• Prepare and review design basis documents for both nuclear and conventional systems of the nuclear power station e.g. design specification, over‑pressure protection reports and design reports, Drawings, BOMs, SCL, etc.
• Oversee the preparation of Mechanical and Piping Structures, Systems, and Components (SSCs) Design Packages from Conceptual Design to Available For Service (AFS) and Close Out.
• Train, mentor and provide technical guidance to junior staff.
• Support Engineering Management with timely updates on engineering progress, performance and staffing needs.
• Directly interface with Customer's'engineering representatives.
• Ensure that applicable standards and regulatory requirements and met.

About you

Required qualifications:

• Degree in Mechanical Engineering from an accredited University with a minimum of 15 years of relevant experience (minimum 10 years in the nuclear industry).
• Registered Professional Engineer in the Province of Ontario, and member in good standing. o Working knowledge of pressure boundary codes and standards, including CSA N285.0, ASME Section III Division 1 and ASME B31.1.
• Experience in power plant equipment, including but not limited to equipment in the Nuclear Island, Turbine Island, Balance of Plant, Auxiliary Systems (HVAC, Compressed Air Systems, Water Systems, Chillers, etc.).
• Qualified Specialized Professional Engineer to ASME Section III, Div.1, Appendix XXIII or qualified for certification.
• Experience interfacing with CNSC and TSSA including preparing correspondence letters, TSSA registration and re‑conciliation packages, code classifications and memos.
• Excellent written and oral communication skills.
• Results‑driven individual with strong interpersonal skills that thrives in a dynamic, project‑delivery environment.

Additional, preferred qualifications:

• Knowledge of dimensioning and tolerancing ASME Y14.5 standard is an asset.
• Working knowledge of major nuclear operator's'Engineering Change Control process.
• Presentation skills and public speaking abilities is an asset.
• Knowledge of seismic and environmental qualification methods and processes is an asset.
• Security Clearance is a condition of employment.

Why choose AtkinsRéalis?

Wherever you are in your career – and whoever you are – AtkinsRéalis is for you. Here, support and collaboration are a vibrant part of a culture that lets you choose where – and how far – your career can go. Take on projects that push boundaries and drive sustainable impact, surrounded by colleagues who believe there's no limit to how brilliant you can be. It's time to join a like‑minded team where you'll be rewarded, supported, and free to be your kind of brilliant.

Rewards & 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.

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.