Let’s find your next opportunity​

{{ job.job_posting_title }}
{{item.trim() }} {{item.trim() }} {{item.trim() }}
{{ job.job_posting_title }}

{{ job.is_cms_job ? (job.cities.split(';').length > 1 ? 'Various locations' : job.location_mappings[0]) : (job.location_mappings.length > 1 ? 'Various locations' : job.location_mappings[0]) }}

saved
viewed

Mississauga, Ontario, Canada

Overview

AtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the nuclear industry in Canada and around the world since for more than 60 years. We are proud to be the steward of Canadian CANDU nuclear technology.

Your role

Tooling Design & Modification:

  • Develop and update 3D models and engineering drawings for MCR tooling using SolidWorks.
  • Implement tooling updates and modifications based on OPEX, design feedback, or lessons learned from previous units.
  • Support Engineering Change Notices (ECNs) by preparing technical inputs, implementing design revisions, and documenting impacts.
  • Participate in design reviews and incorporate comments into finalized design packages.

Testing & Verification:

  • Prepare Factory Acceptance Test (FAT) plans, including defining objectives, test steps, inspection criteria, and required instrumentation.
  • Support FAT execution by coordinating with production, quality, and test personnel.
  • Document results, issues, and potential design improvements for future units.

Production & Field Support:

  • Provide engineering support to production teams during fabrication, assembly, and commissioning of MCR tooling.
  • Review and disposition Non‑Conformance Reports (NCRs), recommending corrective actions and design updates when required.
  • Assist with ensuring tooling documentation route sheets, ITPs, process steps is accurate and up to date.
Nuclear Engineering

Location

Mississauga, Ontario, Canada

Job Type

Full time

Ref

R-158692

Salary range

-

About you

  • Bachelor of Mechanical Engineering, Bachelor of Technology, or equivalent technical diploma.
  • Experience in nuclear, heavy industry, or tooling design is an asset but not required.
  • Knowledge of CMMS is an asset.
  • Proficiency in SolidWorks (part modeling, assemblies, drawings, configuration management).
  • Excellent communication skills and willingness to work in a multi‑disciplinary, fast‑paced project environment.
  • Strong problem‑solving skills and ability to work hands‑on with mechanical systems.
Why choose AtkinsRéalis?

Why choose AtkinsRéalis?

Wherever you are in your career – and whoever you are – AtkinsRéalis is for you. Here, support and collaboration are a vibrant part of a culture that lets you choose where – and how far – your career can go. Take on projects that push boundaries and drive sustainable impact, surrounded by colleagues who believe there's no limit to how brilliant you can be. It's time to join a like-minded team where you'll be rewarded, supported, and free to be your kind of brilliant.

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.

video thumbnail

Make it brilliant, a career with AtkinsRéalis

Our supportive, collaborative culture inspires us as a global community every day.

Watch this short film and imagine what you could achieve here, too.

About AtkinsRéalis

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.

Related jobs

Reactor Physicist
Nuclear Engineering Full time
Reactor Physicist

Mississauga, Ontario, Canada

Intermediate Piping Engineer
Nuclear Engineering Full time
Intermediate Piping Engineer

Mississauga, Ontario, Canada

Quality Assurance Specialist/Engineer
Nuclear Engineering Full time
Quality Assurance Specialist/Engineer

Mississauga, Ontario, Canada

Jr. Engineering Analyst
Nuclear Engineering Full time
Jr. Engineering Analyst

Mississauga, Ontario, Canada

Process Engineer
Nuclear Engineering Full time
Process Engineer

Mississauga, Ontario, Canada

Junior Process Engineering Assistant
Nuclear Engineering Full time
Junior Process Engineering Assistant

Mississauga, Ontario, Canada

Senior Fuel Handling Engineer
Nuclear Engineering Full time
Senior Fuel Handling Engineer

Mississauga, Ontario, Canada

Specialist Engineer - Mechanical Equipment
Nuclear Engineering Full time
Specialist Engineer - Mechanical Equipment

Mississauga, Ontario, Canada

Specialist Engineer - Mechanical/Process
Nuclear Engineering Full time
Specialist Engineer - Mechanical/Process

Mississauga, Ontario, Canada

Senior Mechanical/Process Engineer
Nuclear Engineering Full time
Senior Mechanical/Process Engineer

Mississauga, Ontario, Canada

Senior Civil Engineer
Nuclear Engineering Full time
Senior Civil Engineer

Mississauga, Ontario, Canada

Senior I&C Engineer
Nuclear Engineering Full time
Senior I&C Engineer

Mississauga, Ontario, Canada

Related blogs

Award image

AtkinsRéalis named among the 50 GREAT British Employers of Veterans

Proven commitment to those who’ve served, see how AtkinsRéalis supports Armed Forces talent beyond words.

Card link for AtkinsRéalis named among the 50 GREAT British Employers of Veterans

The lessons 23 years in engineering will teach you: Suraya Dolah’s story

Meet Suraya Dolah and read about her 23 year journey in engineering shaped by passion, resilience, and impact.

Card link for The lessons 23 years in engineering will teach you: Suraya Dolah’s story

Chen Zhou on building better transit systems

Connecting people, operations, and infrastructure is what make transit work.

Card link for Chen Zhou on building better transit systems

Not your typical engineering career: Danielle’s story across borders

Read how Danielle Lim‑Kwan built a truly global engineering career.

Card link for Not your typical engineering career: Danielle’s story across borders
Vanessa smiling at the camera

Vanessa on growth, leadership, and meaningful impact

Meet Vanessa and read how she transformed hands-on field experience into impactful leadership and team success.

Card link for Vanessa on growth, leadership, and meaningful impact

Powering major infrastructure: Paul on leading electrical engineering in British Columbia

I’m the Manager of Electrical Engineering for British Columbia at AtkinsRéalis, where I lead our Vancouver electrical team and support the delivery of complex infrastructure projects.

Card link for Powering major infrastructure: Paul on leading electrical engineering in British Columbia

From India to South Korea: building a career in HSE on one of Asia’s biggest pet food expansions

Meet Ashish, and read about what it takes to lead HSE on a major construction project and why he’s invested his career in helping a multinational organisation operate safely.

Card link for From India to South Korea: building a career in HSE on one of Asia’s biggest pet food expansions
Smita in Blue dress

From delivery to legacy: Smita on engineering what matters

From project delivery to quality leadership, Smita's journey has been guided by a simple belief: great engineering is not just about what we build, but the impact it leaves behind.

Card link for From delivery to legacy: Smita on engineering what matters
Picture of Marielle in an aircraft

Leading geotechnical work with purpose in Québec city

Meet Marielle and read how she built a career that brings together engineering expertise and leadership.

Card link for Leading geotechnical work with purpose in Québec city
Belal smiling in black suite

How Belal Deiranieh is shaping Middle East transportation.

Transportation is at the heart of the Middle East’s transformation. Discover how Belal Deiranieh will help drive the next phase of growth and connectivity at AtkinsRéalis.

Card link for How Belal Deiranieh is shaping Middle East transportation.
Aishwarya smiling in front of camera

From Pune to UK rivers: what Aishwarya’s intern work in water quality looks like.

At AtkinsRéalis, meaningful environmental impact can begin early in your career. As an intern in the Water Management Consultancy team, Aishwarya is helping assess water quality and pollution risks in UK rivers, applying her academic knowledge to real-world challenges that support healthier ecosystems and better environmental outcomes.

Card link for From Pune to UK rivers: what Aishwarya’s intern work in water quality looks like.

From data to impact: Varna’s journey shaping global sustainability reporting from India

At AtkinsRéalis, sustainability is driven by both strategy and data. Varna’s work focuses on turning complex environmental information into meaningful insights, supporting global sustainability reporting, climate action, and informed decision-making across regions.

Card link for From data to impact: Varna’s journey shaping global sustainability reporting from India