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Salary
≈ $70k – $119k per year (Estimated)
Location
Hybrid (Mississauga, Canada)
Seniority
Senior · 5+ years exp
Visa
Positions approved through LMIA in 12 months: 5
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Oct 6, 2026. AtkinsRéalis scores B on the Alion truth index.

Overview
Company
Impact
Profile match
AtkinsRéalis is a Canadian professional services and project management company created when the engineering firm SNC-Lavalin, founded in Montreal in 1911, acquired the British consultancy Atkins in 2017 and adopted the combined name in 2023. It designs and manages infrastructure programmes across transport, water, buildings, energy and defence, and holds a substantial nuclear business through Candu Energy that services and builds heavy water reactors. Headquartered in Montreal and listed in Toronto, the group employs tens of thousands of engineers, planners and consultants across Canada, the United Kingdom, the Middle East and Asia Pacific.

Job Description

Overview

AtkinsRéalis is currently seeking a Piping Supports Design Engineer to join our Candu Energy Inc. engineering team in Mississauga, Ontario.

This position requires an individual who is self-motivated and capable of working independently or under the instruction from senior technical engineers. The candidate shall be able to follow the instruction from a qualified professional engineer to complete the assigned mechanical related scopes or tasks and develop necessary engineering design documentation as required.

Your role

The qualified individual will be responsible for, but not limited to, the following:

  • Perform stress evaluation of piping systems supports (nuclear class or non-nuclear class) in accordance with ASME Section III, Div.1, Subsection NF and/or ASME B31.1/B31.3, ANSI/MSS SP-58 code requirements, including thermal, fatigue, seismic, linear and non-linear analyses.
  • Prepare engineering computations and analyses using applicable software (e.g., PipeStress, Cesar II, MathCAD, GT STRUDL, ANSYS, LS-DYNA, etc.).
  • Model complex piping and support arrangements using finite element techniques.
  • Review of technical documents and drawings (e.g. equipment General Arrangement drawings, equipment layout drawings, isometrics, pipe supports, flow diagrams and P&ID), calculations, design/analysis reports, design requirements, design manuals, bill of materials, design specifications, technical specifications, data sheets, etc.
  • Review 3D piping model and equipment layout.
  • Prepare technical documents, such as engineering drawings (including GA, ISO, typical or custom pipe support drawings), bill of materials, piping supports calculations, piping supports design/analysis reports, piping supports design basis reports, piping supports design specifications, technical specifications, component data sheets, etc.
  • Support preparing TSSA CRN registration packages for pressure boundary systems and associated piping supports, where applicable.
  • Perform visits to client and supplier shops as required. Support field construction and execution activities, as needed (may include site visits).
  • Perform engineering work following AtkinsRéalis/Candu Energy QA programs, and applicable codes, standards, and regulation requirements.

About you

  • Engineering Degree in Mechanical or Civil & Structure from an accredited university or equivalent degree as recognized by Professional Engineers Ontario (PEO) is required.
  • Registered or eligible to be registered as a Professional Engineer in the Province of Ontario (mandatory requirement).
  • 5-10 years of related work experience in mechanical engineering within a heavy industrial environment such as power, mining, oil & gas, etc. (knowledge of nuclear power systems would be an asset).
  • Working knowledge of CSA B51, CSA S16, ASME B31.1, ASME B31.3, ANSI/MSS SP-58, ASME Section VIII, ASCE, NBCC, AISC, and other applicable codes, standards or regulatory guides related to process equipment for power, mining, oil & gas, etc. (knowledge of nuclear power systems codes and regulations such as CSA N285.0, CSA N289, ASME Sec III would be an asset).
  • Design experience with piping stress analysis for power, mining, oil & gas, etc., (knowledge of nuclear power piping systems stress analysis per ASME III, Div. 1 would be an asset).
  • Experience in Stress Analysis using PipeStress, AutoPipe, Cesar II, or other similar software program is an asset. Must be able to apply technical principles in a logical and practical manner to resolve engineering issues or technical problems.
  • Demonstrate good interpersonal skills and the ability to work in a multidisciplinary team environment.

Other Aspects:

  • Working knowledge of CSA N285.0, CSA N289, CSA N291 and ASME Section III, and other applicable standards or regulatory guides related to nuclear plant components, pressure boundary equipment, and/or reactor systems is preferable.
  • Design engineering experience in nuclear class 1, 2, 3 and 6 piping systems, and its associated supports for Nuclear Power Plants is preferable.
  • Eligible to obtain Security Clearances through Public Works and Government Services Canada (PWGSC) is mandatory (for Candu internal and Client organization).
  • May be required to obtain Nuclear Energy Worker (NEW) status, as required by task assignments. Travels to client job sites might be required.
  • Experience with time-history analysis (water hammer, pressure surge, etc. transient loads implementation) for piping systems and associated supports is an asset.
  • Qualification in the last five (5) years as a Specialized Professional Engineer to ASME Section III Division 1, Appendix XXIII is preferable.
  • Experience with stress analysis/supports design for steam piping systems in nuclear power plants is an asset.

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.

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 Type

Employee

Job Type

Regular

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.

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