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Added 1 min ago
AI
Applications Engineering Manager, Nuclear
ATS Industrial Automation
Cambridge, ON
- Full-time
…strengthens ATS differentiation, cost competitiveness, and margin performance. The role also defines, monitors, and reports key performance indicators, leads and develops a geographically…
Added 1 min ago
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Lead Software Engineer
Virtusa
Mississauga, ON
- Full-time
Performance Testing: Good understanding of Performance Testing Concepts and practical experience analysing Performance Test Reports from tools like JMeter/LoadRunner.
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Senior Software Engineer
Virtusa
Halifax, NS
- Full-time
Overview: We are seeking a skilled Azure Platform Engineer with deep expertise in Azure
Added 1 min ago
A
Senior ASIC RTL Design Engineer, AI Networking IP
AMD
Ottawa, ON · Kanata, ON
- $128,000 to $192,000 USD / year
- Full-time
We are looking for a talented ASIC RTL Design Engineer to join our IP design team developing high-performance networking and communications IP for advanced AMD products. Our intellectual…
Added 1 min ago
A
Senior Engine Engineer - Treyarch - Vancouver, BC
Activision
Vancouver, BC
- Full-time
Treyarch, the studio behind the best-selling Call of Duty: Black Ops franchise, is seeking an Senior Engine Engineer to join our Core Engine team. This is an opportunity to help shape the…
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Lead Software Engineer
Virtusa
Toronto, ON
- Full-time
Oversee the end-to-end technical delivery of Salesforce platforms, ensuring all implementations adhere to enterprise performance, security, and scalability standards.
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V
Lead Software Engineer
Virtusa
Toronto, ON
- Full-time
Job Summary: We are seeking a highly skilled QA Automation Engineer with 7-10 years of experience to join our dynamic team in Toronto. The ideal candidate will play a crucial role in…
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Engineering - Flight Software Engineer
Aversan Inc.
Brampton, ON
- $112,000 to $140,000 CAD / year
- Full-time
We are currently seeking a qualified Senior Flight Software Engineer/MTS to join our team. In this role, you will lead designs for safety critical, real-time software solutions while…
Added 1 min ago
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LLM Engineer
ZS
Toronto, ON
- Full-time
We are seeking a highly skilled LLM Engineer with 1-4 years of experience in software development and 1-2 years in LLM solution development,. The ideal candidate will have strong experience…
Added 1 min ago
ES
C++ Software Engineer Intern (UFC - Vancouver - Summer 2027 - 8-months)
EA SPORTS
Vancouver, BC
- Temporary
We're looking for a C++ Software Engineer Intern to join our UFC team for an 8-month internship beginning in May 2027. Reporting to a Senior Software Engineer and paired with an engineering…
Added 1 min ago
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Senior Software Engineer
Nokia
Ottawa, ON · Kanata, ON
- Full-time
As a Senior Software Engineer at Nokia, you'll be at the forefront of our software development efforts. Your expertise in Go development and distributed systems will be crucial in designing…
Added 16 mins ago
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Forward Deployed Solution Engineer – Applied AI FDE
ServiceNow
Montreal, QC
- Full-time
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 30 mins ago
A
Mechanical Design Engineer
Actalent
Ottawa, ON
- $50 to $65 CAD / hour
- Contract
The Mechanical Design Engineer leads the mechanical design and development of specialty equipment that supports API and final drug product manufacturing. This role owns projects across the…
Added 30 mins ago
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Ingenieur Qualité - Conception Biomedical
Actalent
Montreal, QC
- $45 to $70 CAD / hour
- Contract
Mener la gestion des risques en lien avec le processus médical, en évaluant systématiquement les impacts des décisions de conception sur la sécurité et la performance clinique.
Added 30 mins ago
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Amélioration Continue - Continuous Improvement
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Added 40 mins ago
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Set up and operate specialized and standard test equipment to diagnose, test and analyze the performance of electrical and electronic components, assemblies and systems
Added 45 mins ago
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Manager, Bridges and Structures- BC
CN
Kamloops, BC
- Full-time
Added 46 mins ago
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Graduate Mechanical Engineer
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Engage in structured learning, mentorship, and regular performance feedback to support development across technical, commercial, and leadership capabilities.
Added 46 mins ago
M
Senior Software Engineer
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Vancouver, BC
- Full-time
As a Senior Software Engineer on the IC3 AEGIS team, you will design and build an AI-driven platform supporting centralized security automation and risk remediation. You will develop…
Added 46 mins ago
Q
ASIC/FPGA Design Verification Engineer, Senior
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Ottawa, ON
- Full-time
…create a smarter, connected future for all. As a Qualcomm ASIC Engineer, you will define, model, design (digital and/or analog), optimize, verify, validate, implement, and document IP…
Added 46 mins ago
Q
IC/FPGA Design Verification Engineer, Sr Staff
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Ottawa, ON
- Full-time
…create a smarter, connected future for all. As a Qualcomm ASIC Engineer, you will define, model, design (digital and/or analog), optimize, verify, validate, implement, and document IP…
Added 51 mins ago
CI
Lead software engineer
Cogency Inc
Toronto, ON
- From $57 CAD / hour
- Full-time
- On-site
Evaluate the performance and reliability of system designs
Added 1 hour ago
A
Intermediate Civil Engineer
Ausenco
Vancouver, BC
- Full-time
Our team in Canada is growing! We are currently recruiting for an Intermediate Civil Engineer to join our Project Delivery team in our Minerals and Metal Business line in the Vancouver…
Added 1 hour ago
Senior Data Engineer
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Toronto, ON
…and optimize that movement. We're looking for a Senior Data Engineer to design, build, and scale the data infrastructure that powers logistics operations, transportation analytics,…
Added 1 hour ago
TT
CNC Machining Centre Programmer
Titan Trailers Industries Limited - UK
Tillsonburg, ON
- Full-time
Experience with 3d modeling programs such as Creo/Pro Engineer, AutoCAD inventor, solidworks, Rhino, Sketchup, Catia an asset.

AtkinsRéalis

Specialist Engineer - Mechanical

Mississauga, ON, Canada

Full-time

Apply About employer

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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.

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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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