Find work in Canada.

343,277 jobs across our Canadian network. How we count

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 3 mins ago
A
Civil Engineering Co-op Student
AtkinsRéalis
Toronto, ON
- Full-time
Write and develop Construction work method statements and job hazard analyses to be reviewed by the Senior Project Coordinator.
Added 3 mins ago
A
Civil Engineering Co-op Student
AtkinsRéalis
Toronto, ON
- Full-time
Write and develop Construction work method statements and job hazard analyses to be reviewed by the Senior Project Coordinator.
Added 3 mins ago
ED
Sr Software Developer (Lead) - EN 178
Export Development Canada | Exportation et développement Canada
Ottawa, ON
- $96,557 to $128,743 CAD / year
- Full-time
Software Engineer 18: Salaries typically range from $96,557 to $128,743 annually, based on qualifications and experiences, plus a performance-based incentive
Added 3 mins ago
TW
Sr. Embedded DevOps & Software Verification Engineer
TPD® Workforce Solutions
Toronto, ON · Greater Toronto Area, Canada
- Full-time
We are looking for a Senior Embedded DevOps and Software Verification Engineer for a fast-moving, innovative aerospace and EVTOL organization. This company takes pride in pushing the…
Added 4 mins ago
Electrical Engineer in Training (EIT)
WSP
Thornhill, ON
…something. This is your chance to make an impact as an Electrical Engineer in Training (EIT) with a team that thrives on curiosity, connection, and…
Added 32 mins ago
J
Senior Structural Engineer – Buildings
JLR
Ottawa, ON
- Full-time
As we continue to grow, we’ve opened roles in our Guelph office for talented and entrepreneurial Senior Structural Engineer to work alongside exceptional people supporting JLR’s Buildings…
Added 1 hour ago
SR
Senior Software Engineer
Sage Recruiting Inc.
Toronto, ON
- $180,000 to $220,000 CAD / year
- Full-time
You’re either Senior or Staff level and have experience taking features from concept to completion. You understand database design and system architecture. You’re comfortable in TypeScript…
Added 1 hour ago
Software Development Engineer, Rendering Foundations
Amazon
Vancouver, BC
…across web and app. We are looking for a Software Development Engineer to join a new team in Vancouver that owns agentic CX and experience orchestration authoring. The team builds the…
Added 1 hour ago
GS
Electrical Engineer/Designer
Grantek Systems Integration
Burlington, ON
- Full-time
The Electrical Engineer/Designer at Grantek is an exciting opportunity for an intermediate to senior-level professional with a strong background in electrical design and industrial control…
Added 1 hour ago
W
Senior Civil Engineer - Ressources
WSP
Sudbury, ON
- Full-time
To support our continued growth, we are hiring an Senior Civil Engineer. In this role, you’ll help deliver impactful industrial civil engineering projects - from conceptual design to…
Added 1 hour ago
Senior Data Engineer
Scotiabank
Toronto, ON
As a Senior Data Engineer within the Data & AI Technology team, you will play a critical leadership role in designing, building, and scaling enterprise grade data platforms. You will…
Added 2 hours ago
G
Electrical Engineer/Designer
Grantek
Burlington, ON
- Full-time
The Electrical Engineer/Designer at Grantek is an exciting opportunity for an intermediate to senior-level professional with a strong background in electrical design and industrial control…
Added 2 hours ago
Senior Professional, Structural Engineering
WSP
Saskatoon, SK
As a Senior Structural Engineer in our Resources Engineering group, you will apply your structural design expertise to heavy industrial and mining projects from conceptual design through…
Added 2 hours ago
E
Senior Structural Engineer
EXP
Barrie, ON
- Full-time
Proven experience as a Senior Structural Engineer, demonstrating progressive responsibility and successful completion of complex structural projects.
Added 2 hours ago
E
Senior Structural Engineer
EXP
Sudbury, ON
- Full-time
Proven experience as a Senior Structural Engineer, demonstrating progressive responsibility and successful completion of complex structural projects.
Added 2 hours ago
E
Senior Structural Engineer
EXP
Temiskaming Shores, ON · New Liskeard, ON
- Full-time
Proven experience as a Senior Structural Engineer, demonstrating progressive responsibility and successful completion of complex structural projects.
Added 2 hours ago
AI
Senior CDN & Edge Reliability Engineer
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
Treat content publishing as a routine process: hundreds of production changes made by content authors, needing approval evidence, attribution and retention trail.
Added 2 hours ago
W
Technical Consultant I, Water Engineer
Worley
Vancouver, BC
- Full-time
The Technical Consultant I, Water Engineer, supports the delivery of high-quality water and wastewater treatment consulting services for industrial clients. Working as part of…
Added 2 hours ago
W
Technical Consultant I, Water Engineer
Worley
Calgary, AB
- Full-time
The Technical Consultant I, Water Engineer, supports the delivery of high-quality water and wastewater treatment consulting services for industrial clients. Working as part of…
Added 2 hours ago
VC
Adobe Experience Manager (AEM), SRE - CDN and Edge Delivery
VK CONSULTING SERVICES
Canada
- Full-time
Senior Site Reliability Engineer – Adobe Experience Manager (AEM), CDN and Edge Delivery
Added 2 hours ago
W
Senior Process Automation & Controls Engineer
Worley
Calgary, AB
- Full-time
Work directly with customer operations and engineering personnel to identify and resolve process control issues.
Added 2 hours ago
W
Senior Process Automation & Controls Engineer
Worley
AB · Edmonton, AB
- Full-time
Work directly with customer operations and engineering personnel to identify and resolve process control issues.
Added 2 hours ago
SS
Adobe Site Reliability Engineer (SRE) – CDN & Web Performance
Staffmax Staffing & Recruiting
Toronto, ON · Greater Toronto Area, Canada
- Full-time
We are seeking a highly skilled and proactive Adobe Site Reliability Engineer (SRE) specializing in CDN and Web Performance to join our client's dynamic team.
Added 2 hours ago
Staff Software Engineer
Lantern
Vancouver, BC
Lantern is seeking a Staff Software Engineer to join our expanding product engineering pods. This is a strategic and highly visible role focused on driving your team’s architectural…
Added 2 hours ago
DC
Intermediate/Senior Noise Engineer
Dillon Consulting Limited
Calgary, AB · Edmonton, AB
- Full-time
We are currently seeking a Intermediate/Senior Noise Engineer to join our Atmospheric Services team. Our team specializes in in the atmospheric and acoustic solutions that safeguard both…

AtkinsRéalis

Principal 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

Prepare and review design basis documents and oversee the development of mechanical and piping design packages from conceptual design to service. Provide technical guidance to junior staff while interfacing with customers and ensuring compliance with regulatory standards.

Requirements

Requires a degree in Mechanical Engineering and at least 15 years of relevant experience, with a minimum of 10 years in the nuclear industry. Must be a registered Professional Engineer in Ontario and possess deep knowledge of pressure boundary codes and standards.

Skills

Mechanical engineering
Nuclear power plant systems
Pressure boundary codes
CSA N285.0
ASME Section III
ASME B31.1
Design specification
Technical leadership
Project management
Regulatory compliance
CNSC interface
TSSA registration
Engineering change control
Mentoring
Communication skills
Interpersonal skills

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
Pressure Boundary
CSA N285.0
ASME Section III
ASME B31.1
Nuclear Island
Turbine Island
HVAC
Design Basis
Engineering Change Control
CNSC
TSSA
Professional Engineer
Seismic Qualification
Environmental Qualification
Project Delivery
Conceptual Design
BOM
SCL
Regulatory Compliance
Technical Mentoring
Mechanical Systems
Piping Systems
ASME Y14.5

Report this job