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Added 4 months ago
T
Senior Software Engineer - Professional Services
Trackunit
London, Ontario
- Full-time
You embrace AI as a core part of how you engineer. From early prototyping and validation through to production, you use AI tools as an integrated part of your workflow - not as a shortcut,…
Added 1 month ago
Explosion & Fluid Dynamics Engineer (FSI Modeler)
Lloyds Register
Nova Scotia · Halifax, Nova
The LR Advisory group is seeking a qualified Engineer in compressible flows and computational fluid dynamics (CFD) to join our experienced Explosion and Fluid Dynamics Team in Halifax, Nova…
Added 2 months ago
UO
Director, Energy and Mechanical Operations
University of Waterloo
Waterloo, ON · General Services Complex
- Full-time
…Director works in close partnership with the Chief Stationary Engineer to ensure that energy and utility systems are planned, resourced, and operated in alignment with institutional…
Added 4 months ago
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Building Science Engineer
Stantec
Burnaby, BC
- Full-time
Our Building Specialty Services group is seeking a Building Science Engineer to join and guide our team, providing excellence in business practices and technical leadership in the building…
Added 4 months ago
LD
TLD Systems Engineer- Internal
London Drugs INTERNAL
Lethbridge, Alberta
- Other
…projects and requires a high level of communication, ongoing skill development and attention to detail. The TLD Systems Engineer provides Tier 1 and 2 support remotely and on-site at client…
Added 3 months ago
T
AJISS Program Engineer – Electrical
Thales
Remote, Canada
- Full-time
- Remote
Thales Canada, Defense & Security has a vacancy for a Program Engineer - Electrical to support its Non-Combatant In-Service Support Programs for the Royal Canadian Navy, mainly the AOPS and…
Added 1 month ago
BC
Senior Renewable Energy Technical Advisor
BTY CONSULTANCY GROUP INC
Vancouver, British Columbia · Halifax, Nova Scotia · Toronto, Ontario · Montreal, Quebec
- $100,000 to $125,000 CAD / year
- Full-time
BTY is an award-winning professional consultancy firm, providing complete project solutions in infrastructure, real estate and renewable energy asset planning, development, operations, and…
Added 4 months ago
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TLD Systems Engineer
TLD - IT & AV Solutions Provider
Lethbridge, Alberta
- $62,000 to $75,000 CAD / year
- Full-time
…projects and requires a high level of communication, ongoing skill development and attention to detail. The TLD Systems Engineer provides Tier 1 and 2 support remotely and on-site at client…
Added 4 months ago
S&
Lead EHV Transmission Line Engineer 2 - Grid
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
Experience must include preparation of scopes of work, development of conceptual designs, determination of design basis, the selection of equipment and materials, and the preparation and…
Added 4 months ago
C
Senior Consultant IIQ
Cyderes
Canada
- Full-time
We are seeking an experienced Senior SailPoint IdentityIQ (IIQ) Engineer to join our Identity and Access Management (IAM) team. This individual will be responsible for designing,…
Added 4 months ago
SE
Ingénieur(e) concepteur(trice) – Structure / Structural Design Engineer
Sense Engineering
Remote, Canada
- Full-time
- Remote
Added 2 months ago
Project Engineer, Automation, Senior
Lakeside Controls
Winnipeg, MB
What you will be doing in the role of Project Engineer, Automation, Senior:
Added 6 months ago
GC
Intermediate Geotechnical Engineer (26043)
GEMTEC Consulting Engineers and Scientists Limited.
Ontario · London, Ontario
- Full-time
…roles for our London office location, including an Intermediate Engineer within our Geotechnical Division. We are creating a challenging and inviting workplace, where individuals will be…
Added 1 month ago
QA Automation Engineer- Global Payments Engineering
Scotiabank
Toronto, ON
We are looking for a QA Automation Engineer to drive innovative and suggesting ideas for automated software test procedures with the Commercial Banking and Payments domain. Our technology…
Added 4 months ago
Buildings Mechanical Engineer
CBCL Limited
Nova Scotia · Halifax, Nova Scotia
CBCL is seeking a Buildings Mechanical Engineer to join our Buildings Engineering team in Halifax, NS!
Added 4 months ago
A
Internal Auditor
AtkinsRéalis
Montreal, Quebec
- Full-time
…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…
Added 4 months ago
A
Senior Mechanical/Process Engineer
AtkinsRéalis
Mississauga, Ontario
- Full-time
…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…
Added 4 months ago
A
Technician – Bridge and Structures Supervision
AtkinsRéalis
Quebec, Quebec
- Full-time
…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…
Added 4 months ago
A
Specialist Engineer - Mechanical Equipment
AtkinsRéalis
Mississauga, Ontario
- Full-time
AtkinsRéalis is looking to hire a Senior Equipment Engineer Specialist. This position requires experienced individuals who are self-starter capable of working independently and…
Added 4 months ago
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Sr. Electrical Engineer
Propak
Airdrie, Alberta
- Full-time
…specifications, design, computations, and deliverables according to project…
Added 4 months ago
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Sr. Controls Engineer
Propak
Airdrie, Alberta
- Full-time
The Senior Controls Engineer consistently evaluates, selects, and applies advanced engineering techniques and procedures to complex assignments. The position is responsible for planning and…
Added 4 months ago
EI
ICT Designer (Canada)
Ehvert Inc
Remote, Canada
- Full-time
- Remote
Developing and maintaining project scope of work documentation and revisions during design development
Added 4 months ago
MW
Welding Engineer
MINTH WINDSOR MANUFACTURING INC
Windsor, Ontario
- $80,000 to $100,000 CAD / year
- Full-time
In this position, you will play a very important role in leading welding and joining process development for new projects, ensuring manufacturability of assembly process design, and driving…
Added 4 months ago
CA
Mechanical Engineer
Cooke Aquaculture Inc.
St George, New Brunswick
- Full-time
We are seeking a skilled and motivated Mechanical Engineer to join our engineering team. The successful candidate will be responsible for developing, testing, commissioning, implementing…
Added 4 months ago
Electric Water Pump - Process Engineer
Gates Corporation
Ontario · Windsor, ON
…programs for changes into production and continuous improvement. Project management for outside equipment houses will also be handled by this…

AtkinsRéalis

Senior Mechanical/Process Engineer

Mississauga, ON, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Jun 16, 2026

Original job description

Job Description

Overview

AtkinsRéalis is looking to hire a Senior Mechanical/Process 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.
Prepare and review Engineering Change packages following major nuclear operator’s ECC process.
Mentor and provide technical guidance to junior engineers.
Perform calculations and assessment as required.
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 are met.

About you

Degree in Mechanical or Chemical Engineering from an accredited University with a minimum of 15 years of relevant experience (minimum 10 years in the nuclear industry as a Senior Design Engineer working on modifications to nuclear systems or components).
Qualified Specialized Professional Engineer to ASME Section III, Div.1, Appendix XXIII or qualified for certification.
Registered Professional Engineer in the Province of Ontario, and member in good standing.
Experienced in Refurbishment, Modifications and technologies enhancement of existing Mechanical and Piping Systems Structures and Components (SSCs) in operating stations from Conceptual Design to Available For Service (AFS) and Close Out following established Client Engineering Change Control (ECC) processes and procedures.
Experience in plant islanding/lay-up engineering. Mechanical, Process and Piping Systems integration/design and analysis for SSCs (e.g. Turbine Auxiliary Systems, Moisture Separators/Reheaters, Water Treatment Plant, Main Condenser, HVAC, Station Drainage, Cranes, Compressed Air Systems, Water Systems, Chillers, etc.).
Experience interfacing with CNSC and TSSA including preparing correspondence letters, TSSA registration and re-conciliation packages, code classifications and memos.
Working knowledge of nuclear codes and standards, including CSA N285.0, CSA N289, ASME Section III Division 1 and ASME B31.1.
Working knowledge of major nuclear operator’s ECC process.
Excellent written and oral communication skills.
Results driven individual with strong interpersonal skills.

Additional, preferred qualifications:

Knowledge of pressure boundary work including pressure vessel design, analysis, code classification, code class boundary, non-destructive examination and design registration is an asset.
Knowledge of dimensioning and tolerancing ASME Y14.5 standard is an asset.
Presentation skills and public speaking abilities is an asset.
Knowledge of seismic and environmental qualification methods and processes is an asset.

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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More about this job

Responsibilities

Prepare and review design basis documents and engineering change packages for nuclear and conventional systems. Mentor junior engineers and interface directly with customers and regulatory bodies to ensure standards are met.

Requirements

Requires a degree in Mechanical or Chemical Engineering with at least 15 years of experience, including 10 years in the nuclear industry. Must be a Registered Professional Engineer in Ontario and qualified as a Specialized Professional Engineer to ASME Section III.

Skills

Mechanical Engineering
Process Engineering
Nuclear Design
ASME Section III
CSA N285.0
Engineering Change Control
Piping Systems Design
Technical Mentorship
Regulatory Compliance
Calculation And Assessment
Project Management
Technical Writing

Benefits

Competitive Compensation
Employee Recognition
Flexible Health Benefits
Wellbeing Benefits
Financial Benefits
Lifestyle Benefits
Training And Professional Development
Hybrid Working Culture
Generous Time-off Policies

Visa sponsorship

Not detected in the job text

Keywords

Nuclear Power Plants
ASME Section III
CSA N285.0
CSA N289
ASME B31.1
TSSA
CNSC
Engineering Change Control
Pressure Vessel Design
Seismic Qualification
Environmental Qualification
ASME Y14.5
Piping Systems
Turbine Auxiliary Systems
Water Treatment Plant
HVAC
Station Drainage
Compressed Air Systems
Refurbishment
Modifications
Professional Engineer
Ontario
Mechanical Engineering
Chemical Engineering

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