Jobs in Canada

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Added 4 months ago
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Mechanical Technician/Technologist
AtkinsRéalis
Mississauga, Ontario
- Full-time
…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…
Added 7 months ago
S
Intermediate / Senior Geotechnical Engineer
Stantec
Whitehorse, YT
- Full-time
Are you an experienced geotechnical engineer ready to take the next step in your career? We are seeking an intermediate to senior engineer specialized in Northern Climate Geotechnical…
Added 7 months ago
PA
Artificial Intelligence Engineer
Precision AI
Calgary, Alberta
- Full-time
The Artificial Intelligence Engineer at Precision AI will contribute to the design, development, and deployment of AI-driven solutions. This role focuses on building, training, and…
Added 6 months ago
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Senior Fire Protection Process Engineer
AtkinsRéalis
Mississauga, Ontario
- Full-time
AtkinsRéalis is looking to hire a Senior fire protection design engineer. The incumbent will lead senior and junior staff to develop the design of new fire protection systems and upgrading…
Added 4 months ago
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Senior Industrial Mechanical Engineer
AtkinsRéalis
Toronto, Ontario
- Full-time
AtkinsRéalis is currently seeking a Senior Industrial Mechanical Engineer for its Toronto office.
Added 3 months ago
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Senior Project Manager, Water/Wastewater Treatment
Stantec
Toronto, ON
- Full-time
You perform business development/application tasks and collaborates with staff to increase project wins and develop long lasting client relationships. Routine tasks include:
Added 2 months ago
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Senior Electrical Engineer (Buildings)
AtkinsRéalis
Bedford, NS
- Full-time
AtkinsRéalis is growing and our Atlantic Canada Engineering group and is seeking a Senior Electrical Engineer to join our growing Electrical Engineering team. In this role, our leaders…
Added 2 months ago
Operations Engineering Advisor
Celestica International LP
Toronto, ON
Senior commodity engineer with extensive experience in managing electronic component quality. Applicant must have experience working directly with suppliers to drive quality improvement…
Added 7 months ago
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Senior Geotechnical Engineer & Branch Manager
BluMetric Environmental Inc.
Ottawa, Ontario
- Full-time
DS is currently seeking a Senior Geotechnical Engineer & Branch Manager, Ottawa to join our team. This is an exciting opportunity for candidates looking to further develop their career. DS…
Added 2 months ago
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Senior Project Manager - Aiport
AtkinsRéalis
Edmonton, AB
- Full-time
…and heliport infrastructure. Based in Edmonton, Alberta, this senior opportunity supports complex aviation projects across Canada, combining technical excellence, project leadership, and…
Added 2 months ago
Senior Environmental Engineer / Geoscientist
WSP
Sudbury, ON
In this senior geoscience leadership role, you’ll provide strategic direction and technical leadership to multidisciplinary environmental teams delivering some of the most complex and…
Added 3 months ago
Senior Electrical Engineer, Distribution
RAM Engineering Ltd.
Vancouver, BC
For this expression of interest (EOI), we are seeking a Senior Distribution Electrical Engineer to join our growing electrical engineering team. This role is ideal for an experienced…
Added 2 months ago
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Senior Project Manager, P3 Infrastructure Projects
Altus Group
Toronto, Ontario
- Full-time
Altus Group has an opening for a Senior Project Manager based out of our Toronto, Ontario office with our Development Advisory team. As a P. Eng your construction infrastructure advisory…
Added 3 months ago
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Senior Manufacturing Engineer - Consumables Manufacturing
Bio-Techne
Remote, Canada
- Full-time
- Remote
Manage projects and project teams to achieve targets and provide periodic progress reports to management.
Added 2 months ago
Senior Transmission Lines Engineer, Power Delivery
WSP
Toronto, ON
…energy integration, and help shape Canada’s energy future. The Senior Transmission Line Project Engineer can be located with any of our Power Delivery teams located in our Ontario or Quebec…
Added 7 months ago
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Principal Pre-sales Engineer - ALM (Automotive)
PTC
Canada
- Full-time
Act as a technical project manager for customer projects, working with our partners, solution centers and R&D.
Added 6 months ago
A
Senior Radiation Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
…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…
Added 6 months ago
A
Reactor Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
…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…
Added 6 months ago
A
Senior Reactor Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
We are seeking a Senior Reactor Physicist to be part of our team in the Fuel and Physics department supporting the design of new nuclear power plants and the operation, refurbishment, or…
Added 2 months ago
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Senior Telecom Engineer
Kent
Sherwood Park, AB
- Part-time
Kent is looking for a Senior Telecom Engineer to support upcoming FEED, detailed engineering, and brownfield/greenfield scopes for client proposals and execution projects in the Edmonton…
Added 7 months ago
P
Principal Pre-sales Engineer - ALM (Automotive)
PTC
Canada
- Full-time
Act as a technical project manager for customer projects, working with our partners, solution centers and R&D.
Added 5 months ago
S
Senior Wastewater Treatment Engineer
Stantec
Burnaby, BC
- Full-time
We are looking for a talented senior process mechanical engineer and project manager focused on the planning and engineering design of municipal and industrial water/wastewater…
Added 8 months ago
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Senior Mechanical Engineer
Sedgman
Montreal, Quebec
- Full-time
Sedgman is currently seeking a Senior Mechanical Engineer for their Montreal, Qc office.
Added 4 months ago
Junior Geotechnical Engineer-in-Training
WSP
Terrace, British Columbia
Build the Future with Us – We are seeking a highly motivated Junior Geotechnical Engineer-in-Training to join our northern BC & Yukon – Ground Engineering team in the city of Terrace, BC.…
Added 2 months ago
Senior Quality Assurance Engineer
NetBrain
Toronto, ON
NetBrain is looking for an experienced Senior QA Engineer to work on a variety of automation-related projects for our unparalleled network automation platform, powered by agentic-AI. We…

AtkinsRéalis

Reactor Physicist

Mississauga, ON, Canada

Full-time

Apply on slihrms.wd3.myworkdayjobs.com About employer

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Job details

Job type: Full-time
Experience: A minimum of 5 years of relevant experience (experience obtained in advanced degree programs will be considered for applicability against this requirement)
Posting language: English
Posted: Apr 27, 2026

Original job description

Job Description

Overview

We are seeking a Reactor Physicist to be part of our team in the Fuel and Physics department supporting the design of new nuclear power plants and the operation, refurbishment, or waste management and decommissioning of existing CANDU nuclear power plants. The Intermediate Reactor Physicist will work under senior staff to perform technical analysis using up-to-date reactor physics codes, such as WIMS, DRAGON, RFSP and MCNP.

Your role

Perform and/or supervise the following calculations: Finite-reactor-core calculations, Kinetics calculations, Advanced-fuel-cycle calculations, Monte Carlo calculations.
Prepare inputs, run reactor physics computer codes
Develop, adapt and modify FORTRAN computer codes as required for specific applications (e.g., to implement new methods or perform new types of calculations)
Develop methodologies and perform reactor physics analyses to support design and commercial activities
Document analyses in technical notes and reports, and present results at meetings
Estimate, monitor schedules and assign work to meet completion dates Perform varied work assignments effectively and respond quickly to changing project needs
Propose/develop approaches to be used on reactor physics tasks
Develop analysis basis plans

About you

Masters degree (or equivalent) or higher from a university of recognized standing in Physics or Nuclear Engineering or equivalent;
Experience of CANDU reactor physics
A minimum of 5 years of relevant experience (experience obtained in advanced degree programs will be considered for applicability against this requirement)
Experience with reactor physics codes such as WIMS, DRAGON, RFSP and/or MCNP
Experience with MCNP nuclear data library creation
Experience with few energy group constants from MCNP
Experience of uncertainty assessment
Knowledge of light water reactors, and small modular reactors is desirable
Must be conversant with computer environments; proficiency in both Linux and WINDOWS environments is a strong asset
Proficiency in computer programming, especially FORTRAN, C++ are very desirable Excellent oral and written communication skills are required

Reward & 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 on slihrms.wd3.myworkdayjobs.com About employer

More about this job

Responsibilities

The role involves performing and supervising technical analyses such as finite-reactor-core, kinetics, advanced fuel-cycle, and Monte Carlo calculations using established reactor physics codes. Responsibilities also include developing and modifying FORTRAN computer codes, documenting analyses, and managing project schedules to meet completion dates.

Requirements

Candidates must possess a Master's degree or higher in Physics or Nuclear Engineering, along with a minimum of five years of relevant experience, including experience with CANDU reactor physics. Proficiency in reactor physics codes like WIMS, DRAGON, RFSP, and MCNP, along with programming skills in FORTRAN and C++, are highly desirable.

Skills

Reactor Physics Codes
WIMS
DRAGON
RFSP
MCNP
Monte Carlo Calculations
FORTRAN
C++
Technical Analysis
Design Support
Uncertainty Assessment
Linux
WINDOWS
Technical Reporting
Kinetics Calculations
Fuel Cycle Calculations

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

Reactor Physicist
Nuclear Power Plants
CANDU Reactors
Fuel and Physics
Reactor Physics Codes
WIMS
DRAGON
RFSP
MCNP
Monte Carlo Calculations
FORTRAN
C++
Nuclear Engineering
Technical Analysis
Finite-Reactor-Core Calculations
Kinetics Calculations
Advanced-Fuel-Cycle Calculations
Uncertainty Assessment
Linux
WINDOWS
Technical Notes
Decommissioning
Refurbishment
Light Water Reactors
Small Modular Reactors

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Work requirements

Jobs in Canada