Jobs in Canada

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Added 7 months ago
Senior Environmental Land Use Professional
Vertex Resource Group
Sherwood Park, Alberta
…with strong expertise in Alberta’s public lands and regulatory systems to support client projects across the…
Added 7 months ago
Senior Environmental Land Use Professional
Vertex Resource Group
Calgary, Alberta
…with strong expertise in Alberta’s public lands and regulatory systems to support client projects across the…
Added 5 months ago
Designer(e) de produit Sénior / Senior Product Designer
Unity Technologies
Montreal, Quebec
Added 2 months ago
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Mechanical Engineer
Sedgman
Vancouver, BC
- Full-time
Ensure engineering designs follow the standard Sedgman design workflows, systems and procedures; Continuous improvement of design systems used by the organisation.
Added 6 months ago
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Senior Radiation Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
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,…
Added 6 months ago
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Reactor Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
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,…
Added 6 months ago
A
Radiation Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
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,…
Added 6 months ago
A
Fuel Engineering Specialist
AtkinsRéalis
Mississauga, Ontario
- Full-time
…transport system and plant control, containment and moderator systems would be an asset and underlying engineering principles and practices, excellent oral and written communication skills…
Added 6 months ago
A
Senior Reactor Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
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,…
Added 6 months ago
A
Specialist Radiation Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
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,…
Added 6 months ago
A
Specialist Reactor Physicist
AtkinsRéalis
Kincardine, Ontario
- Full-time
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,…
Added 2 months ago
A
Journeyman Powerline Technician
Aecon
Toronto, ON · Scarborough, ON
- $53.96 to $55.52 CAD / hour
The Journeyman Powerline Technicians will be responsible for installing and maintaining overhead, underground, transmission, and distribution systems.
Added 2 months ago
Track Manager - Future Opportunities
Aecon
Hamilton, ON · Toronto, ON
…everyday life through the roads, bridges, tunnels, and transit systems that connect communities. With more than a century of experience and a full suite of integrated services, Aecon is a…
Added 3 months ago
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Series Lead
Aecon
Pickering, ON
- $90,000 to $110,000 CAD / year
They are tasked with collaborating with engineering and construction to assure that the linkage between design, constructability, and execution sustains.
Added 6 months ago
JI
Civil Estimator
J.D. Irving, Limited
Saint John, NB
- Full-time
…the collection of key proposal inputs such as scope, costs, engineering requirements, examples of previous projects, and other information required to respond to bids or requests for…
Added 3 months ago
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Maintenance Technician
Nutreco
Chilliwack, BC
- Full-time
Ability and availability to work rotational shifts and overtime as required · Participate in a rotating on-call schedule Rotating shifts may be required, including occasional weekends or extended hours based on operational needs
Added 3 months ago
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Associate Director, Data Sciences
SOTI
Mississauga, ON
- Full-time
It all started with a classic story about one developer’s vision. In 1995, Carl Rodrigues, President and CEO of SOTI, has developed solutions for managing mobile device screens from a…
Added 2 months ago
Future Opportunities - Candidate Pool
Nasittuq Corporation
Canada
Work-Life Balance: Enjoy a Fly-In Fly-Out schedule that lets you work hard and play hard, with rotations designed for a balanced lifestyle
Added 2 months ago
Electronic Maintenance Technician – Trainee
Nasittuq Corporation
NU
As an Electronics Maintenance Technician, you’ll play a key role in keeping critical radar and communications systems operational at North Warning System sites across the Arctic. You’ll be…
Added 4 months ago
CF
Manager, Data Operations
CI Financial
Toronto, Ontario
- Full-time
Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field (or equivalent experience).
Added 2 months ago
DP
Industrial Millwright, Atikokan Sawmill
Domtar Products
Unorganized Rainy River, Ontario · Atikokan, ON
- $40.71 CAD / hour
Improve, optimize and diagnose different control, artificial vision power and servo systems;
Added 2 months ago
AA
Nuclear Technologist
ATS Automation
Cambridge, ON
- $35 to $50 CAD / hour
…requirements. Direct responsibility for mechanical/electro-mechanical systems, with input and support from mechanical and electrical assembly, and controls…
Added 2 months ago
Nuclear Services Technologist
ATS Automation
Cambridge, ON
…operation, and maintenance in radioactive environments. Key systems include reactor inspection and maintenance tooling and reactor refurbishment…
Added 5 months ago
Engineering Candidate
Tatham Engineering
Barrie, ON · Bracebridge, ON · Collingwood, ON · Guelph, ON · Orillia, ON
Are you a recent engineering graduate eager to advance your career with a dedicated, community-focused, award-winning company? Tatham Engineering offers the opportunity to join a supportive…
Added 6 months ago
SC
Principal Software Developer
Solace Corporation
Ottawa, ON
- Full-time
This position is for a Principal Software Developer. In this role you will be a key technical leader working on the Solace Agent Mesh: an event-driven Integration and Orchestration Platform…

AtkinsRéalis

Reactor Physicist

Mississauga, ON, Canada

Full-time

Apply on slihrms.wd3.myworkdayjobs.com About employer

Applications open in a new tab.

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