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Added 4 months ago
Data Architect
Konrad
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Develop and deploy scalable data science and AI solutions in collaboration with engineering teams
Added 3 months ago
Senior Software Engineer, Full Stack
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Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We…
Added 2 months ago
Senior Software Engineer
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Added 3 months ago
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AI Developer
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- Full-time
3+ years of experience in Python development (including data structures, algorithms, and object-oriented programming)
Added 1 month ago
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Associate Technical Supervisor (Back-End) - Netflix Animation Studios
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Vancouver, BC
- Full-time
Strong technical foundation, including solid Python skills (plus PyQt or another GUI toolkit), familiarity with data flow/metadata/publishing concepts, and the ability to review code and…
Added 3 months ago
O
Staff Performance Engineer
Omnissa
Vancouver, British Columbia · British Columbia · Canada-British Columbia
- $200,000 to $253,650 CAD / year
- Full-time
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Added 6 months ago
A
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
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
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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
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Specialist Reactor Physicist
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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 4 months ago
CF
Manager, Data Operations
CI Financial
Toronto, Ontario
- Full-time
You will lead a team of Data Operations engineers and developers, establish operational standards, and partner closely with Data Engineering, Analytics, Governance, and Technology teams to…
Added 6 months ago
SC
Principal Software Developer
Solace Corporation
Ottawa, ON
- Full-time
Enterprise AI is moving from pilots to production, and the constraint is no longer the model - it's the data. Agents are only as good as what they can sense, trust, and act on in the…
Added 2 months ago
Senior Developer Experience Engineer
Justworks
Toronto, ON
You are a tooling-focused engineer who obsesses over developer productivity. You’ve built and maintained CI/CD pipelines, developer tooling, and automation that makes engineering teams…
Added 6 months ago
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Principal Pre-sales Engineer - ALM (Automotive)
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Canada
- Full-time
…supporting our Application Lifecycle Management (ALM)& Product line Engineering (PLE) solutions: Codebeamer, Pure Variants and Modeler. This role is responsible for supporting Codebeamer/…
Added 2 months ago
Data Developer
DRW
Montreal, QC
We are looking for a Data Developer to join our AI and Multi Asset Systematic Strategies team. This team builds AI and ML-powered tools and solutions that enable teams across the firm and…
Added 3 months ago
WB
Senior Software Engineer
Warner Bros. Discovery
Remote, Canada
- Full-time
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technical discussions, code quality, and engineering best practices.
Added 3 months ago
Staff Data Developer
AlayaCare
Montreal, Quebec
We are seeking a Staff Data Developer to join our Data & Intelligence division. Reporting to the Director of Data Engineering, you will design and implement scalable, complex data pipelines…
Added 1 month ago
Senior Quality Assurance Engineer
NetBrain
Toronto, ON
BS in Computer Science, Electrical Engineering or equivalent experience.
Added 5 months ago
CI
Lead Software Engineer, AI & Emerging Tech
CPP Investments | Investissements RPC
Toronto, Ontario
- Full-time
You’ll partner with cross-functional teams to identify high-impact use cases, lead agile engineering sprints, and ensure solutions are secure, scalable, and aligned with organizational…
Added 2 months ago
C
Forward Deployed Engineer, Sovereign AI
Cohere
Remote, Canada
- $175,000 to $385,000 CAD / year
- Full-time
- Remote
…companies to deploy AI while maintaining control over sensitive data. North integrates seamlessly with existing workflows, providing a trusted platform that connects AI agents with…
Added 2 months ago
O
Analyst, Total Plan Risk Management
OMERS
Toronto, ON · Head Office Toronto
- Full-time
Use internal and external data sources to investigate risks and develop evidence-based insights.
Added 1 month ago
EA
Economic Data Analyst/Scientist
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Toronto, ON
- Full-time
Skilled in Python for data processing, statistical analysis, and visualizations.
Added 3 months ago
DevOps Systems Administrator – Linux
Global Relay
Vancouver, BC
…solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving them greater visibility and control over their information and…
Added 6 months ago
S
AI Builder / Forward Deployed Engineer
Sagard
Toronto, Ontario
- Full-time
This is fundamentally a full-stack engineering role. The majority of the work involves building the data pipelines, system integrations, and foundational infrastructure that make AI…
Added 8 months ago
Lead Developer
Purdys Chocolatier
Vancouver, British Columbia
We’re looking for a Lead Developer to join our IT team based in the 8330 Chester Office in Vancouver, BC! This person will report to the IT Operations Manager.

AtkinsRéalis

Senior Radiation Physicist

Mississauga, ON, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Experience: 8+ years of experience with radiation transport, performing dose calculations, activity transport, shielding applications, waste management, radioactivity dispersion.
Posting language: English
Posted: Apr 27, 2026

Original job description

Job Description

Overview

We are currently seeking a Senior Radiation Physicist to be a 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.

Please note that this job posting is intended for you to express your interest in future opportunities within AtkinsRéalis.

Your role

Lead, plan, perform, document, review, and/or verify technical analyses that includes: The use of radiation transport codes, performing dose calculations, and/or application / development of activity transport models.
Produce high quality reports effectively summarizing technical information.
Present results to internal and/or external stakeholders.
Collate, assimilate, and summarize results from existing analyses.
Follow the relevant procedures, guidelines and standards governing the work being performed.
Develop, adapt, or modify computer codes for specific applications and to solve new problems.

About you

Masters degree or higher from a university of recognized standing in Physics or Nuclear Engineering or equivalent.
8+ years of experience with radiation transport, performing dose calculations, activity transport, shielding applications, waste management, radioactivity dispersion.

Experience with the computer codes MCNP, SCALE/ORIGEN, or ADDAM (equivalent codes acceptable, ability to program especially in python, PERL, MATLAB, C++, or Fortran and proficient in Microsoft Office. Familiarity with the Linux operating system.
Working knowledge of work processes, and associated technologies. Eligible to obtain license for nuclear software that falls under the US Department of Energy 10 CFR Part 810 radiation physics codes, such as MCNP and SCALE.
Experience with rehabilitation and decommissioning activities and supporting station operations.
Experience working at a nuclear facility, performing radiation transport and shielding calculations, and code development including source control and testing.
Knowledge of the nuclear regulatory framework, along with codes and standards applicable for nuclear work in Canada.

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.

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More about this job

Responsibilities

The role involves leading, planning, performing, documenting, reviewing, and verifying technical analyses, including the use of radiation transport codes and dose calculations. Responsibilities also include producing high-quality technical reports and presenting results to stakeholders.

Requirements

Candidates must possess a Master's degree or higher in Physics or Nuclear Engineering, along with over 8 years of experience in radiation transport, dose calculations, and related applications like shielding or waste management. Proficiency in specific computer codes (MCNP, SCALE/ORIGEN) and programming languages is required.

Skills

Radiation Transport Codes
Dose Calculations
Activity Transport Models
MCNP
SCALE/ORIGEN
ADDAM
Python
PERL
MATLAB
C++
Fortran
Microsoft Office
Linux
Code Development
Shielding Applications
Regulatory Framework

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

Radiation Physics
Nuclear Power Plants
CANDU
Fuel and Physics
Radiation Transport
Dose Calculations
Activity Transport Models
Shielding Applications
Waste Management
Decommissioning
MCNP
SCALE/ORIGEN
ADDAM
Python
PERL
MATLAB
C++
Fortran
Microsoft Office
Linux
Nuclear Regulatory Framework
Canada
Code Development
Source Control
10 CFR Part 810

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