Posted 2 months ago
Senior Reactor Analysis Engineer
@ Candu Energy Inc.
Mississauga, Ontario
Overview
Candu Energy Inc. is hiring a Senior Reactor Analysis Engineer for CANDU 6 International Retube projects, based at its Mississauga, Ontario office. The role performs mechanical design analysis of reactor systems, structures and components using finite element software to ASME Section III and related codes, and leads technical packages. A bachelor's or graduate degree in mechanical engineering and at least 8 years of experience in heavy industry are required, and a Professional Engineer licence in Ontario is preferred.
Responsibilities:
- Perform design analysis of CANDU reactor systems, structures and components
- Prepare finite element models and engineering calculations
- Prepare technical reports and TSSA registration packages
- Review design documents, calculations and analysis reports
- Lead technical packages with designers and stress analysts when requested
Requirements summary:
- Bachelor's or graduate degree in mechanical engineering
- Minimum 8 years mechanical engineering experience in heavy industry
- Stress analysis experience with ANSYS Mechanical, LS-DYNA or similar
- Knowledge of ASME Section III, CSA N285.0 and N289 codes
- Ontario Professional Engineer licence preferred
- Excellent communication and technical writing skills
Tools & skills
Source and dates
Employer career site / ATS feed · workday
- Employer posting date
- 2026-09-15
- First seen by our source
- 2026-10-08
- Source record updated
- 2026-10-22
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Engineering |
| Experience | 8+ years |
| Hours per week | 40 (estimated) |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Licences & certifications | Professional Engineer (Ontario) |
| Education | Bachelor’s degree (required), Master’s degree (preferred) |
| Fields of study | Mechanical Engineering |
| Perks mentioned | Flexible hours, Paid training |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Candu Energy Inc.
| Field | Value |
|---|---|
| Open jobs on Jobsy | 226 |
Job Description
Overview
We are currently seeking Senior Reactor Analysis Engineer to support our ongoing and upcoming CANDU 6 International Retube projects. This role is based out of the Candu Energy Inc. home office in Mississauga, Ontario.
This position requires an individual who is self-motivated and capable of working independently or under the instruction of a senior technical lead engineer and develop his/her career and experience in the nuclear field. The candidate shall be able to follow the instruction of a lead 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:
- Join team to complete the design analysis of CANDU reactor systems, structures and components, including mechanical equipment.
- Perform engineering calculations to support design of nuclear pressure boundary components.
- Prepare formal technical reports suitable for review by the client and their regulatory authorities.
- Review design documents, calculations, and analysis reports.
- Perform engineering work following AtkinsRéalis/Candu Energy QA programs, and applicable codes, standards, and regulation requirements.
- Model complex vessel and equipment arrangements using finite element techniques.
- Prepare engineering computations and analyses using applicable software (e.g., ANSYS Mechanical (APDL preferred), and LS-DYNA, etc.).
- Perform thermal, fatigue, seismic, linear and non-linear analyses in accordance with ASME Boiler & Pressure Vessel Code, Section III, Division 1 code requirements.
- Prepare TSSA registration packages for pressure boundary modifications.
- May be requested by Engineering Manager to lead technical packages with a small or large team of Designers and Stress Analysts.
- Provide prompt response and engineering resolutions on any critical engineering-related matters.
- Complete the assigned scopes or tasks within the given budget and schedule, and in good quality.
About you
- A Bachelor’s or Graduate degree in Mechanical Engineering (or equivalent) from a university of recognized standing.
- Licensed as a Professional Engineer in the Province of Ontario is preferred.
- Qualified or eligible to be qualified as ASME Appendix XXIII is an asset.
- Minimum 8 years of related work experience in mechanical engineering within a heavy industrial environment such as nuclear, mining, oil & gas, power, etc.
- Design engineering experience in nuclear class 1, 2, 3 vessels and/or equipment for Nuclear Power Plants is preferable.
- Experience in Stress Analysis using ANSYS Mechanical (APDL preferred over Workbench), LS-DYNA, ABAQUS, MATLAB, MathCAD, or other similar software programs is required.
- Site experience in construction, or commissioning of plant mechanical systems for nuclear or other heavy industries would be an asset.
- Working knowledge of CSA N285.0, N289, B51 and ASME Section III codes and any other applicable standards or regulatory guides related to permanent plant components, pressure boundary equipment, and/or reactor systems is preferred.
- Must have knowledge of mechanical and piping systems or equipment (knowledge of CANDU design, including the Calandria Vessel and fuel channels would be preferred).
- Must be able to apply technical principles in a logical and practical manner to resolve engineering issues or technical problems.
- Must have excellent communication and technical writing skills.
- Demonstrate good interpersonal skills and the ability to work in a multidisciplinary team environment.
- Must be willing to become a Nuclear Energy Worker (NEW), although this will not be a regular requirement as part of the job.
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.
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.
Additional information
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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
EmployeeJob Type
RegularAt 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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