Senior Reactor Components Engineer

WS Atkins & Partners Overseas Engineering Consultants

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CA.ON.Mississauga.2251 Speakman Drive CA.ON.Mississauga.2285 Speakman Drive Until 9/27/2026 10+ years exp First posted July 29, 2026 Last posted July 29, 2026
Job description

Job Description

Overview

AtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the nuclear industry in Canada and around the world since for more than 60 years. We are proud to be the steward of Canadian CANDU nuclear technology.

Your role

  • Perform and supervise mechanical engineering work on CANDU Reactor Components.
  • The design activities include but are not limited to the preparation of design requirements and specifications, technical calculations, and the preparation of design documents and drawings and technical reports.
  • Design activities might include design modifications to existing components.
  • Design activities will be performed following the requirements of nuclear codes, standards and quality assurance manuals and procedures.
  • Support preparation of responses to technical questions from clients.
  • Review calculations, design assessments and reports, and other documents and drawings for day-to-day activities and in support of design verification.
  • Site visits and site assignments might be required to support installation or troubleshooting related to reactor components.
  • Develop, plan, specify, conduct and/or lead conceptual, preliminary, and detailed design phases of the engineering work for reactor components during design, design verification, procurement, manufacturing, and installation.
  • Review calculations, design assessments and reports, and other documents and drawings in support of design verification.
  • At this level, supervision of lower grades engineers and engineers in training, as well as drafting staff is required.
  • Work is limited in scope and generally related to mechanical engineering, although knowledge of related fields of engineering and an appreciation of the impact of the work on other areas is required.

About you

  • A bachelor’s or master's degree in mechanical engineering (or equivalent) from a university of recognized standing.
  • Licensed Professional Engineer in Ontario.
  • Minimum 10 years of mechanical engineering experience.
  • Experience in the application of GD&T.
  • Experience in classical stress calculation.
  • Familiarity or working knowledge of nuclear ASME Code and CSA Standards.
  • 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.
  • Excellent organizational and time management skills, including considering the plans of others, as proven records for meeting budget and schedule expectations is a requirement.

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.  

About this role

Summary

Perform and supervise design, analysis, and verification of nuclear reactor components.

Job title

Senior Reactor Components Engineer

Experience level

10+ years

Minimum experience

10+ years exp

Industry

nuclear engineering

Location requirements

Must be in Mississauga, Ontario; hybrid work allowed.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

mechanical engineeringGD&Tstress calculationnuclear ASME CodeCSA Standards

Preferred skills

None specified

Specializations

mechanical engineeringreactor componentsGD&Tstress calculationnuclear codes
Locations

Structured locations inferred from the posting.

Mississauga, ON, Canada

Hybrid City