Posted last month
Senior Mechanical Engineer
@ Candu Energy Inc.
Mississauga, Ontario
Overview
AtkinsRéalis is hiring a Senior Mechanical Engineer to support refurbishment, retube, field services and new-build nuclear projects. The role leads mechanical design of tooling and equipment and gives field execution support, with periodic travel to customer sites and nuclear stations. The posting states a full-time position with competitive compensation, flexible benefits and a defined contribution pension plan.
Responsibilities:
- Lead mechanical design for retube tooling and specialized equipment
- Oversee engineering work packages for refurbishment and new-build projects
- Provide field execution and troubleshooting support
- Prepare and review engineering deliverables and calculations
- Mentor junior engineers, designers and technologists
Requirements summary:
- Bachelor's in mechanical or mechatronics engineering
- P.Eng. registration in Ontario or eligibility
- 8-12 years of mechanical design or nuclear experience
- 3D CAD experience with SolidWorks, Solid Edge, Creo or Inventor
- Nuclear security clearance eligibility
Tools & skills
Benefits mentioned
Source and dates
Employer career site / ATS feed · workday
- Employer posting date
- 2026-10-07
- First seen by our source
- 2026-10-08
- Source record updated
- 2026-11-05
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) |
| Travel | ground: moderate |
| Work setting | Office, Plant or factory, Client sites |
| Position | Sitting and standing |
| Physical demands | physical low · computer high |
| Languages | English |
| Licences & certifications | P.Eng. |
| Education | Bachelor’s degree (required) |
| Fields of study | Mechanical Engineering, Mechatronics Engineering |
| Security clearance | Other clearance |
| Perks mentioned | Flexible hours, Retirement plan, Stock or equity |
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 | 227 |
Job Description
The Senior Mechanical Engineer will support refurbishment, retube, field services, and new-build nuclear projects. This role combines design engineering expertise with field execution support, providing technical leadership throughout the full lifecycle of tooling, equipment, and mechanical systems from concept development through deployment, commissioning, maintenance, and field operations.
The successful candidate will lead complex engineering assignments, support tooling and field execution activities, mentor junior staff, and interface with clients, suppliers, and site personnel to ensure safe, reliable, and efficient project delivery.
Your role within the team
- Lead conceptual, preliminary, and detailed mechanical design activities for Retube Tooling, specialized equipment, and field service systems.
- Execute and oversee engineering work packages supporting refurbishment, retube, maintenance, outage, and new-build projects.
- Provide technical leadership for design, procurement, fabrication, assembly, testing, commissioning, deployment, and field implementation activities.
- Support field execution teams by resolving technical issues, developing corrective actions, and providing engineering guidance during equipment installation, operation, maintenance, and troubleshooting.
- Prepare and review engineering deliverables including design requirements, design descriptions, technical specifications, calculations, drawings, test procedures, commissioning plans, operating instructions, and design change packages.
- Perform and verify engineering analyses related to machine design, structural integrity, mechanisms, materials, hydraulics, pneumatics, lifting systems, and pressure-retaining components.
- Coordinate and lead multidisciplinary teams consisting of engineers, technologists, designers, manufacturing personnel, suppliers, and field staff.
- Interface directly with clients, vendors, contractors, and station personnel to define requirements and resolve technical challenges.
- Mentor and provide technical oversight to junior engineers, designers, and technologists.
- Travel periodically to customer sites and nuclear generating stations to support installation, commissioning, outage execution, inspections, and troubleshooting activities.
Why choose AtkinsRéalis as an employer?
- Opportunity to work on major nuclear refurbishment, retube, field services, and new-build projects.
- Exposure to both engineering design and field implementation activities.
- Career growth through leadership, mentoring, and technical specialization opportunities.
- Competitive compensation, flexible benefits, employee share plan, and defined contribution pension plan.
- Strong commitment to safety, quality, innovation, and professional development.
- Collaborative environment that values technical excellence and work-life balance.
About You
- Bachelor's degree in Mechanical Engineering, Mechatronics Engineering, or equivalent.
- Registered Professional Engineer (P.Eng.) in Ontario, or eligible for registration.
- Typically 8-12 years of experience in mechanical design, tooling, equipment, automation, field engineering, or nuclear projects.
- Strong understanding of machine design, mechanics of materials, manufacturing methods, and mechanical system integration.
- Experience leading engineering tasks and coordinating multidisciplinary teams.
- Experience supporting field execution, commissioning, maintenance, outage, or refurbishment activities is an asset.
- Familiarity with nuclear industry codes and standards including ASME and CSA requirements is an asset.
- Experience with 3D CAD software such as SolidWorks, Solid Edge, Creo, or Inventor.
- Excellent communication, problem-solving, and technical leadership skills.
- Excellent problem-solving, communication, leadership, and stakeholder management skills.
- Ability to obtain and maintain nuclear security clearance and access authorization.
Are you up for the challenge? Apply today and join our team to help engineer a Better Future for our Planet and its People.
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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