Find work in Canada.

341,406 jobs across our Canadian network. How we count

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 2 hours ago
A
Principal Engineer - Open Source Data Platform (ODP)
Acceldata
Kitchener, ON
- Full-time
We are seeking a Principal Engineer with at least 14 years of experience to serve as a technical visionary and thought leader for Acceldata's Open Data Platform (ODP). In this role, you…
Added 4 hours ago
CF
Technical Repair Coordinator
Celeros Flow Technology
Burlington, ON
- Full-time
Recognize and resolve tooling related difficulties with existing and new projects while working with the service support staff.
Added 4 hours ago
Civil Engineer II - Senior Waterworks Design Engineer
City of Vancouver
Vancouver, BC
The Senior Water Design Engineer is responsible for managing programs that support the renewal and replacement of aging drinking water infrastructure (distribution main and transmission…
Added 4 hours ago
NW
Project Engineer-Evolve Recycling
North West Rubber Colorado
Brantford, ON
- Full-time
Based in Brantford, Ontario, The Project Engineer is responsible for leading cross-functional teams to plan, coordinate, and execute engineering and capital projects that support…
Added 6 hours ago
UO
SUPERVISING FIELD ENGINEER (CIVIL ENGINEER V)
University of Alaska Fairbanks Petroleum Engineering
Field, BC
- Full-time
This position is responsible for the direct supervision of a staff of resident engineers and technicians engaged in the construction, supervision, and inspection of highway construction…
Added 6 hours ago
UO
Supervising Field Engineer - Civil Engineer V
University of Alaska Fairbanks Petroleum Engineering
Field, BC
- Contract
SUPERVISING FIELD ENGINEER (CIVIL ENGINEER V)
Added 7 hours ago
W
Principal Process Automation Engineer
Worley
Sarnia, ON
- Full-time
Work with Worley offices to share work and integrate staff on projects for a blended execution team.
Added 8 hours ago
Structural Design Engineer (Intermediate)
Hydro One Networks Inc
Toronto, ON
Assist senior engineers on projects involving greater complexity and provide technical guidance to supporting staff as required.
Added 8 hours ago
ENGINEER
City of Toronto
Toronto, ON
The Process, Innovation & Energy unit (PIE) is Toronto Water's central process engineering group for water & energy. The team strives to advance water and energy management in Toronto Water…
Added 8 hours ago
PC
Design Engineer
Port City Young Professionals, LLC
Engineer, BC
- Full-time
The Design Engineer is responsible for the due diligence investigations as well as preliminary design and engineering analyses of various types of retail, commercial, industrial and…
Added 9 hours ago
MR
Staff Site Reliability Engineer/ Azure
Motion Recruitment
Toronto, ON
- Full-time
As a Staff Site Reliability Engineer, you'll have the opportunity to take real ownership of platform reliability, shape the future of infrastructure strategy, and help build resilient…
Added 9 hours ago
PE
Intermediate/Senior Industrial Control Systems Engineer/Technologist - VIC-1070
PBX Engineering
Victoria, BC
- $95,000 to $130,000 CAD / year
- Full-time
PBX is looking for an Intermediate/Senior Industrial Control Systems Engineer/Technologist to work with the Integrated Systems (Automation) team and other engineers in delivering projects…
Added 9 hours ago
W
Associate Technical Consultant
Worley
Calgary, AB
- Full-time
The Principal Process Automation & Controls Engineer is responsible for providing control system engineering support for industrial facilities and projects. The role requires an…
Added 10 hours ago
S
Engineer, Distribution Planning
SaskPower
SK · Saskatchewan, Canada
- Contract
…will align with the job description and expectations of an Engineer-In-Training. The applicant will retain the title of Engineer-In-Training and remain compensated at that level until such…
Added 10 hours ago
Staff Software Engineer, Backend Platform
Robinhood
Toronto, ON
As a Staff Software Developer, you will set technical direction and lead large, multi-team initiatives that improve how backend systems are developed and operated. You will design and guide…
Added 11 hours ago
AH
AI/ML Engineer
Axon Health
Ottawa, ON
- Full-time
…safely on their most sensitive data. We're hiring an AI/ML Engineer to build the permission-aware knowledge graph and safety layer behind Axon Health's AI…
Added 12 hours ago
HR
Technical Safety Specialist
Hitachi Rail
Toronto, ON
- Full-time
…Safety Engineering activities in accordance with the company’s process, applicable industry standards, best practices and sharing expert…
Added 12 hours ago
HR
Technical Safety Specialist
Hitachi Rail
Burnaby, BC
- Full-time
…Safety Engineering activities in accordance with the company’s process, applicable industry standards, best practices and sharing expert…
Added 13 hours ago
IE
Structural Project Engineer
Ikon Engineers Canada Ltd.
Vancouver, BC
- Full-time
Ikon Engineers Canada Ltd. has an immediate, exciting opportunity for a mid-level Project Engineer to join our quickly growing team. This is a full-time position in our Structural…
Added 14 hours ago
Environmental Engineer or Scientist
GHD Group Pty Ltd
Calgary, AB
We are currently seeking an Intermediate Environmental Engineer/Scientist (Field work) to join our team in Calgary Alberta.
Added 14 hours ago
A
IT Business Analyst
AtkinsRéalis
Montreal, QC
- Full-time
…These are reviewed with individuals through an annual appraisal process. We actively support staff in achieving corporate membership in relevant…
Added 14 hours ago
Sr Mechanical Engineer
North American Rail Solutions
Calgary, AB
Our team is looking for a full-time Senior Mechanical Engineer who is driven to deliver their best work every day and are committed to working collaboratively to achieve shared goals. If…
Added 15 hours ago
TT
Senior Civil Engineer
Tetra Tech
Pickering, ON
- Full-time
We are currently seeking a Senior Civil Engineer for our Pickering, ON office. This posting is for an existing vacancy for which we are actively recruiting. To perform this job…
Added 15 hours ago
Chargehand- Level 4
City of Brandon
Brandon, MB
Performs laboratory tests, according to prescribed procedures, for quality and process control;
Added 15 hours ago
A
Junior Human Factors Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
…the candidate will also enjoy mentoring and developing junior staff, be reliable and consistent, and have an acceptance of responsibility for work carried…

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