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Posted 4 months ago

Mechanical Design Engineer- Nuclear

@ Candu Energy Inc.

Mississauga, Ontario

Full-time3+ years experience
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SIGNALS

Overview

AtkinsRéalis is hiring a Mechanical Design Engineer for CANDU nuclear reactor and major component design. The work covers conceptual and detail design, technical calculations, drawings and regulatory support under senior engineer supervision. The posting offers a hybrid working culture, competitive compensation and generous time-off policies.

Responsibilities:

  • Design CANDU reactor components to codes and standards
  • Prepare drawings, bills of materials, calculations and technical specifications
  • Support regulatory interfaces with TSSA and CNSC
  • Review and verify design work by others
  • Report daily progress to leads and managers

Requirements summary:

  • Mechanical engineering degree or equivalent
  • Professional Engineer licence or eligibility in Ontario
  • 3 to 6 years of mechanical design experience
  • Classical stress calculation experience
  • Experience following codes, standards and procedures
  • GD&T experience is an asset

Tools & skills

Source and dates

Employer career site / ATS feed · workday

Employer posting date
2026-07-16
First seen by our source
2026-10-08
Source record updated
2026-10-16

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityMid level
DepartmentEngineering
Experience3+ years
Hours per week40 (estimated)
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
Licences & certificationsProfessional Engineer (Ontario)
EducationBachelor’s degree (required), Master’s degree (preferred)
Fields of studyMechanical Engineering
Perks mentionedFlexible hours, Wellness, Paid training

Summary and details written by AI from the posting; the employer’s posting is the authority.

Candu Energy Inc.

FieldValue
Open jobs on Jobsy227
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 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.

About you

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.

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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