Senior Piping Engineer

Reporting 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 engineers and develop his/her career and experience in nuclear field.

• Perform engineering work in accordance with AtkinsRéalis/Candu Energy QA programs and all applicable codes, standards, and regulatory requirements.
• Coordinate and interface with clients, suppliers, stakeholders, and internal design disciplines to execute assigned engineering tasks
• Participate in conceptual, preliminary, and detailed design of CANDU/nuclear process systems and plant modifications.
• Prepare piping designs, including pipe sizing, equipment layouts, and pipe support designs, using tools such as S3D, Navisworks, and SmartPlant Review.
• Conduct engineering analyses and computations using ANSYS (APDL/Workbench), LS-DYNA, and other relevant software.
• Perform pipe stress evaluations and thermal, fatigue, seismic, linear, and non‑linear analyses in accordance with ASME Section III, Div.1.
• Prepare and review key technical documentation, including drawings, calculations, specifications, design reports, TSSA registration packages, and supplier technical evaluations.
• Lead or support engineering teams as required, provide technical guidance, resolve engineering issues promptly, and deliver assigned scope within budget, schedule, and quality expectations.

• Mechanical Engineering degree from an accredited university (or PEO‑recognized equivalent) and registration as a Professional Engineer in Ontario (or equivalent).
• Minimum 7 years of mechanical engineering experience in heavy industrial sectors (e.g., mining, oil & gas, power). Nuclear experience, site work (construction/commissioning), and familiarity with nuclear-class systems (Class 1, 2, 3, 6) are strong assets.
• Required proficiency in piping stress analysis using PepS, with additional experience in ANSYS Mechanical (APDL preffered/Workbench), LS-DYNA, and mechanical/piping systems design—CANDU knowledge is an asset.
• Strong knowledge of CSA N285.0, CSA B51, CSA N289, ASME Section III, and other applicable standards for pressure boundary and reactor system components; qualification or eligibility for ASME Appendix XXIII is an asset.
• Design engineering experience in nuclear class 1, 2, 3 and 6 piping systems, valves, pumps and for Nuclear Power Plants is an asset.
• Must have extensive working knowledge of mechanical and piping systems or equipment (knowledge of CANDU nuclear systems would be an asset).
• Ability to apply engineering principles to resolve technical issues, excellent communication and technical writing skills, strong interpersonal abilities, and willingness to become a Nuclear Energy Worker (NEW).

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.

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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.

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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.

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