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Added 15 mins ago
SI
Building Maintenance Mechanic
Saputo Inc.
Mississauga, ON
- Full-time
Operates, maintains and repairs a variety of mechanical tools and equipment such as power saws, power sanders, drills, air compressors, paint sprayers, generators, power washers, and…
Added 42 mins ago
MP
Design engineer - mechanical
Multi-Power Products
Kelowna, BC
- $85,000 to $95,000 CAD / year
- Full-time
- On-site
Supervise and inspect the installation of mechanical systems
Added 45 mins ago
FM
Industrial Mechanic/Millwright Journeyperson (Site Based)
Fortis Mining Engineering & Manufacturing
Saskatoon, SK
- Full-time
Fortis Mining, Engineering, & Manufacturing is growing, and we're on the lookout for a passionate, detail-driven Industrial Mechanic/Millwright Journeyperson (Site-Based), whose primary…
Added 45 mins ago
CG
Manager, RF & Antenna Research and Technology
Calian Group
Ottawa, ON
- Full-time
…manager will also build, mentor, and develop the high-performing engineering team including hiring, performance management, career development, succession planning, and employee…
Added 45 mins ago
CG
Manager, RF & Antenna Systems
Calian Group
Ottawa, ON
- Full-time
…The manager will build, mentor, and develop a high-performing engineering team including hiring, performance management, career development, succession planning, and employee…
Added 45 mins ago
CG
Manager, Mechanical Design and Core Engineering
Calian Group
Ottawa, ON
- Full-time
The Manager, Mechanical Design and Core Engineering is responsible for establishing and executing the strategic roadmap for shared engineering capabilities, laboratories, technical…
Added 45 mins ago
WA
Director of Engineering - Hilton Toronto
Waldorf Astoria Kuwait
Toronto, ON
- Full-time
…what you’ll do every time you come to work! As a Director of Engineering, you’re not just responsible for the safety and functionality of the property – you’re spreading the light and…
Added 1 hour ago
AI
Applications Engineering Manager, Nuclear
ATS Industrial Automation
Cambridge, ON
- Full-time
A post-secondary diploma or degree in mechanical design or engineering.
Added 1 hour ago
CS
Shop Labourer
Certified Sales and Rentals
Saskatoon, SK
- Full-time
Northern Strands Group of Companies provide an all-inclusive solution for construction, mining, engineering, equipment, and supply requirements with top-notch craftsmanship, cutting-edge…
Added 1 hour ago
NS
Industrial Mechanic/Millwright Journeyperson (Site Based)
Northern Strands Group of Companies
Saskatoon, SK
- Full-time
Fortis Mining, Engineering, & Manufacturing is growing, and we're on the lookout for a passionate, detail-driven Industrial Mechanic/Millwright Journeyperson (Site-Based), whose primary…
Added 1 hour ago
NS
Group Services Labourer - Skilled Labourer (Hands-On Training Provided)
Northern Strands Group of Companies
Saskatoon, SK
- Full-time
Northern Strands Group of Companies provide an all-inclusive solution for construction, mining, engineering, equipment, and supply requirements with top-notch craftsmanship, cutting-edge…
Added 1 hour ago
Piping Superintendent - Future Opportunities
Aecon
Saskatoon, SK · Calgary, AB · MB
…construction company offering superior civil, electrical and mechanical services including piping, insulation, scaffolding, and module fabrication. From fabrication and modularization to…
Added 1 hour ago
PL
Millwright (433A - Night Shift)
Polycorp Ltd
Elora, ON
- $43 to $45 CAD / hour
- Full-time
Assist with engineering and continuous improvement development of dies with the technical department
Added 1 hour ago
A
Mechanical Design Engineer
Actalent
Ottawa, ON
- $50 to $65 CAD / hour
- Contract
5+ years of relevant mechanical design engineering experience.
Added 1 hour ago
A
Ingenieur Qualité - Conception Biomedical
Actalent
Montreal, QC
- $45 to $70 CAD / hour
- Contract
Work primarily on software requirements (approximately 80%), as well as hardware requirements (approximately 10%) and mechanical requirements (approximately 10%).
Added 1 hour ago
W
Interior Design Technologist
WalterFedy
Toronto, ON
- Full-time
Coordinate architectural and interior design information with structural, mechanical, electrical, and civil consultants.
Added 1 hour ago
A
Test Technologist
Actalent
Oakville, ON
- $25 to $35 CAD / hour
- Contract
Experience with PCB assembly, wiring, cable assemblies, and electro-mechanical integration.
Added 2 hours ago
W
Graduate Mechanical Engineer
Worley
Vancouver, BC · Edmonton, AB · Calgary, AB
- Full-time
…across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and…
Added 2 hours ago
W
Principal Mechanical Engineer
Worley
Oakville, ON
- Full-time
Worley is seeking a Principal Mechanical Engineer (Lead) based in Oakville, Ontario. This role provides mechanical engineering leadership for the design and delivery of process and utility…
Added 2 hours ago
NV
R&D – Power Generation Valves
Neway Valve
Quebec, QC
- Full-time
Bachelor’s degree or higher in Mechanical Engineering, Energy & Power Engineering, Materials Science, or a closely related engineering discipline.
Added 2 hours ago
RF
Draftsman/Quality Control & Inspection
Rosenberg Fans Canada Ltd.
Mississauga, ON
- Part-time
The ideal candidate is a detail-oriented Draftsman with a strong background in mechanical engineering, and solid experience in creating precise technical drawings, models, and schematics,…
Added 2 hours ago
TT
CNC Machining Centre Programmer
Titan Trailers Industries Limited - UK
Tillsonburg, ON
- Full-time
Study and interpret engineering drawings, specifications or sample parts to determine dimensions and tolerances of finished work pieces, sequence of operations and setup requirements.
Added 2 hours ago
TT
Co-op or Recent Graduates - CNC Programmers
Titan Trailers Industries Limited - UK
Tillsonburg, ON
- Full-time
Study and interpret engineering drawings, specifications or sample parts to determine dimensions and tolerances of finished work pieces, sequence of operations and setup requirements.
Added 2 hours ago
B
Industrial Maintenance Technician
Bartlett
Oxbow, SK
- Full-time
…refurbishing various equipment. This will include a variety of trades: mechanical, electrical and PLCs, welding and fabricating, hydraulics, pneumatics, carpentry, concrete, painting, etc.…
Added 2 hours ago
GO
Power Engineer
Government of Manitoba
Selkirk, MB
- Full-time
…operation and maintenance of a Second Class Power House and related mechanical systems, including equipment and all related systems for the supply of heating, cooling and electrical power…

AtkinsRéalis

Specialist Engineer - Mechanical

Mississauga, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Dec 31, 2026
Experience: Degree in Mechanical Engineering from an accredited University with a minimum of 15 years of relevant experience (minimum 10 years in the nuclear industry).
Posting language: English
Posted: Oct 8, 2026

Original job description

Job Description

Overview

AtkinsRéalis is looking to hire a Senior Mechanical Engineer. This position requires experienced individuals who are self-starter capable of working independently and leading/supervising junior engineers. The individuals will work in a fast-paced team environment performing engineering services for Nuclear Power Plants within a matrix organization.

Your role

Prepare and review design basis documents for both nuclear and conventional systems of the nuclear power station e.g. design specification, over-pressure protection reports and design reports, Drawings, BOMs, SCL, etc.
Oversee the preparation of Mechanical and Piping Structures, Systems, and Components (SSCs) Design Packages from Conceptual Design to Available For Service (AFS) and Close Out.
Train, mentor and provide technical guidance to junior staff.
Support Engineering Management with timely updates on engineering progress, performance and staffing needs.
Directly interface with Customer’s engineering representatives.
Ensure that applicable standards and regulatory requirements and met.

About you

Required qualifications:

Degree in Mechanical Engineering from an accredited University with a minimum of 15 years of relevant experience (minimum 10 years in the nuclear industry).
Registered Professional Engineer in the Province of Ontario, and member in good standing. o Working knowledge of pressure boundary codes and standards, including CSA N285.0, ASME Section III Division 1 and ASME B31.1.
Experience in power plant equipment, including but not limited to equipment in the Nuclear Island, Turbine Island, Balance of Plant, Auxiliary Systems (HVAC, Compressed Air Systems, Water Systems, Chillers, etc.).
Qualified Specialized Professional Engineer to ASME Section III, Div.1, Appendix XXIII or qualified for certification.
Experience interfacing with CNSC and TSSA including preparing correspondence letters, TSSA registration and re-conciliation packages, code classifications and memos.
Excellent written and oral communication skills.
Results-driven individual with strong interpersonal skills that thrives in a dynamic, project-delivery environment.

Additional, preferred qualifications:

Knowledge of dimensioning and tolerancing ASME Y14.5 standard is an asset.
Working knowledge of major nuclear operator’s Engineering Change Control process.
Presentation skills and public speaking abilities is an asset.
Knowledge of seismic and environmental qualification methods and processes is an asset.
Security Clearance is a condition of employment.

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.

Apply About employer

More about this job

Responsibilities

The Specialist Engineer will prepare and review design basis documents for nuclear and conventional systems while overseeing the development of mechanical design packages. They will also provide technical guidance to junior staff and interface directly with customer representatives to ensure regulatory compliance.

Requirements

Candidates must hold a degree in Mechanical Engineering and be a registered Professional Engineer in Ontario with at least 15 years of relevant experience, including 10 years in the nuclear industry. Proficiency in pressure boundary codes such as CSA N285.0 and ASME standards is mandatory.

Skills

Mechanical engineering
Nuclear power plant systems
Design basis documentation
Pressure boundary codes
CSA N285.0
ASME Section III
ASME B31.1
Technical leadership
Mentoring
Project management
Regulatory compliance
CNSC interface
TSSA registration
Engineering change control
Seismic qualification
Environmental qualification

Benefits

Competitive compensation
Employee recognition
Flexible benefits
Training and professional development
Hybrid working culture
Generous time-off policies

Visa sponsorship

Not detected in the job text

Keywords

Mechanical Engineering
Nuclear Power
Design Specification
Pressure Boundary
CSA N285.0
ASME Section III
ASME B31.1
Nuclear Island
Turbine Island
HVAC
Chillers
CNSC
TSSA
Engineering Change Control
Seismic Qualification
Environmental Qualification
ASME Y14.5
Project Delivery
Technical Guidance
Regulatory Requirements
Design Packages
BOM
SCL
Conceptual Design
AFS
Close Out
Professional Engineer
Ontario
Infrastructure
Energy Systems

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