Senior Mechanical Engineer
- Mississauga
- Nuclear
This vacancy has expired. Please see similar jobs below or sign up for job alerts.
Come join us in reshaping the future with AtkinsRéalis. AtkinsRéalis is dedicated in engineering a better future for our planet and its people.
Candu Energy Inc. is a leading full-service nuclear technology company providing nuclear power reactors and nuclear products and services to customers worldwide. Our 1,400 highly skilled employees design and deliver state-of-the-art CANDU® reactors, carry out life extension projects, provide plant life management programs and tools, and offer operation and maintenance services for existing nuclear power stations. This role is based out of the Candu Energy Inc. home office in Mississauga, Ontario.
Reporting to the Director of Retube, Inspection and Maintenance Systems, the Senior Mechanical Engineer would support one of the various Refurbishment or New build projects on the Fuel Handling team. This knowledgeable engineer will be responsible for executing commercial and internal work packages and projects, with respect to machine design and process systems including other closely related disciplines.
Location: Mississauga, ON
Your role within the team
- Perform conceptual and detail design engineering work on mechanical equipment and systems, including process related design on D2O, oil hydraulic and pneumatic systems.
- Perform project lead responsibilities by guiding technical staff on a variety of tasks in design, development, procurement, manufacturing, assembly, testing and commissioning.
- Prepare design documentation such as design requirements, design descriptions, design specifications, technical specifications, component specifications, test procedures and plans, commissioning procedures, registration design submissions packages, flow sheets, detail drawings, general arrangements, and equipment layouts.
- Review design reports, analysis reports, calculations, documents, and drawings in support of design verification.
- Perform complex technical calculations relevant to design such as heat load analysis, fluid mechanics, and calculations related to component integrity.
- Conduct technical, conceptual and detail design meetings in front of peers, clients and suppliers.
- Provide technical guidance to design drafting staff as well as mentoring and oversight of junior engineers.
- Work in accordance with applicable codes, standards, regulations, client and company procedures.
Why choose AtkinsRéalis as an employer?
- The opportunity to work on various major projects for internal and external clients.
- An exciting environment where work-life balance is important.
- A wide array of learning and development opportunities.
- Competitive pay, flexible benefits, an employee share plan, and a defined contribution pension plan.
- A work environment focused on health and safety.
The ideal candidate:
- Degree in Mechanical Engineering or Mechatronics from an accredited University with a minimum 10 years of experience in machine, automation, equipment and/or tooling design, or 10 years of experience in the fluid power, oil hydraulic control and/or water process control industry.
- Registered, or eligible to be registered, as Professional Engineer in the Province of Ontario.
- Solid understanding of mechanics of machine, mechanics of materials, material selection and fundamentals of machine component design.
- Solid understanding of fluid mechanics and process system control design including open and closed loop oil hydraulic circuit design.
- Knowledge of ASME Boiler and Pressure Vessel Code Section II, III, V, VIII and IX is an asset.
- Knowledge of general requirements for pressure-retaining systems and components in CANDU nuclear power plants CSA N285.0 code is an asset.
- Knowledge of boiler, pressure vessel, and pressure piping CSA B51 code is an asset.
- Excellent oral and written communication skills.
- CAD experience in Solid Edge or Solid Works is an asset.
Are you up for this challenge? Apply today and join our team to help engineer a Better Future for our Planet and its People.
Design your future! Sign up for job alerts straight to your inbox so you don't miss your next opportunity. Subscribe to jobs like this!
Great news! We will let you know when a new job like this has been added!

Preview
EuropeContent type
BlogsPublish date
05/21/2025
Summary
My name is Vera, and at AtkinsRéalis, I'm a Technical Director, an AtkinsRéalis Fellow, and the Global Technical Authority for Water Quality. The focus of my work is to study sources of pollution a

Preview
EuropeContent type
BlogsPublish date
05/21/2025
Summary
My name is Vera, and at AtkinsRéalis, I'm a Technical Director, an AtkinsRéalis Fellow, and the Global Technical Authority for Water Quality. The focus of my work is to study sources of pollution a
Design your future! Sign up for job alerts straight to your inbox so you don't miss your next opportunity. Subscribe to jobs like this!
Great news! We will let you know when a new job like this has been added!
Related job roles
Salary
Location
Mississauga
Job Type
Full Time
Career Area
Engineering (Other)
Market
Nuclear
Category
Permanent
Location
Mississauga
Pickering
Description
We have an exciting and innovative new team focused on new and groundbreaking projects, allowing a chance to influence future design decisions – and we want you to be part of it! For this role, you ca
Reference
R-131482
Expiry Date
01/01/0001
Salary
Location
Mississauga
Job Type
Full Time
Career Area
Commercial management
Market
Nuclear
Category
Permanent
Location
Mississauga
Description
AtkinsRealis 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
Reference
R-131432
Expiry Date
01/01/0001
Salary
Location
Pickering
Job Type
Full Time
Career Area
Engineering (Other)
Market
Nuclear
Category
Permanent
Location
Pickering
Description
Senior Mechanical EngineerAtkinsRéalis 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 aroun
Reference
R-131409
Expiry Date
01/01/0001
Salary
Location
Birmingham
Job Type
Full Time
Career Area
Construction
Market
Nuclear
Category
Permanent
Location
Birmingham
Description
Let's secure the future of energy.We are seeking a Senior Civil/Structural Engineer to join our growing Net Zero Energy Practice. This position would be ideally based in Birmingham, with a flexible mi
Reference
R-131378
Expiry Date
01/01/0001
Author
Sunitha HAuthor
Sunitha HSalary
Location
Kincardine
Job Type
Full Time
Career Area
Engineering (Other)
Market
Nuclear
Category
Permanent
Location
Kincardine
Description
Quality Control InspectorAtkinsRéalis 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
Reference
R-131353
Expiry Date
01/01/0001
Salary
Location
Mississauga
Job Type
Full Time
Career Area
Mechanical engineering
Market
Nuclear
Category
Permanent
Location
Mississauga
Description
Technical Manager, Reactor MaintenanceAtkinsRéalis 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 Cana
Reference
R-131258
Expiry Date
01/01/0001
Salary
Location
Mississauga
Job Type
Full Time
Career Area
The Society of Professional Engineers and Associates - Operations & Administration
Market
Nuclear
Category
Permanent
Location
Mississauga
Description
Project CoordinatorAtkinsRéalis 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 w
Reference
R-131218
Expiry Date
01/01/0001
Salary
Location
Derby
Job Type
Full Time
Career Area
Automation / Instrumentation
Market
Nuclear
Category
Permanent
Location
Derby
Sheffield
Bristol
Description
Are you good at leading and developing others while managing multiple project and tasks to meet changing demands and find the best solution for your needs? Do you enjoy solving complex problems and st
Reference
R-131180
Expiry Date
01/01/0001
Author
Shaik Mohammed Touheed AhmedAuthor
Shaik Mohammed Touheed AhmedSalary
Location
Kincardine
Job Type
Full Time
Career Area
Engineering (Other)
Market
Nuclear
Category
Permanent
Location
Kincardine
Description
Mechanical Technologist-Working LevelAtkinsRéalis 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 Canad
Reference
R-131150
Expiry Date
01/01/0001
Salary
Location
Mississauga
Job Type
Full Time
Career Area
Procurement
Market
Nuclear
Category
Permanent
Location
Mississauga
Description
Order Administrator (Expeditor)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
Reference
R-131140
Expiry Date
01/01/0001
Related articles

Preview
EuropeContent type
BlogsPublish date
05/13/2025
Summary
After a successful first quarter in our new Manchester office, we're proud to be settling into a space that truly reflects an ambitious step forward in our mission to drive innovation in nuclear an
.jpg)
Preview
GeneralContent type
BlogsPublish date
05/09/2025
Summary
Environmental sustainability is no longer a niche priority, it’s becoming the heartbeat of progress across every industry. As the world faces urgent climate challenges, businesses everywhere are

Preview
Middle EastContent type
BlogsPublish date
05/07/2025
Summary
The UAE’s transportation systems are developing at a rapid rate. This is transforming how people move. With rail projects like the Dubai Metro being the preferred transport system for 37% of people
.jpeg)
Preview
GeneralContent type
BlogsPublish date
04/10/2025
Summary
Engineering is a massive contributor to the global economy, which means there’s always a huge demand for different jobs in the sector. The engineering market is expected to grow to USD 3.5 trillion

Preview
EuropeContent type
BlogsPublish date
03/24/2025
Summary
My name is Kamal. I was born in Lebanon, where I also attended school (below is a beautiful picture of Lebanon). I completed my university days in Lebanon, Texas and London. I'm a Structural Engin

Preview
IndiaContent type
BlogsPublish date
03/18/2025
Summary
Imagine a career where your engineering expertise doesn’t just contribute to projects—it helps shape the world’s future. At AtkinsRéalis India, we offer you the chance to be part of groundbreaking

Preview
EuropeContent type
BlogsPublish date
03/12/2025
Summary
Hi, I'm Lana. I hold a French engineering degree in geotechnical and civil engineering from Polytech Grenoble, which included a two-semester Erasmus+ exchange at Loughborough University. My journ

Preview
Middle EastContent type
BlogsPublish date
03/03/2025
Summary
The importance of job satisfaction can’t be understated. When we work in a great place, we do our job with a smile. At AtkinsRéalis, we’re committed to being the best place in the Middle East for impa

Preview
EuropeContent type
BlogsPublish date
02/04/2025
Summary
Hi, I'm Ahmad, the regional leader of AtkinsRéalis' Power New Build team here in the Northwest of England. Why did I join AtkinsRéalis? I wanted to be part of a world-class engineering services p

Preview
IndiaContent type
BlogsPublish date
01/31/2025
Summary
Do you want to fuel your career with purpose and watch your impact grow? Would you like to make an impact and join the global net zero revolution? Do you have what it takes to lead the nuclear r

by
Shailaja Mantha
Talent community
Would you like to know more? Not ready to apply? Join our talent community to stay connected and engaged with us at AtkinsRéalis.
Find out more