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Added 6 months ago
AT
Principal Software Developer - Cloud
Aspen Technology
Montreal, Quebec
- Full-time
AspenTech is looking for a talented and experienced Developer to join our Enterprise Operations Platform (EOP) organization. In this role, you will be a member of an Agile development team…
Added 6 months ago
P
Senior Software Engineer - Java
PointClickCare
Mississauga, ON
- Full-time
scalable platform services, leveraging modern AI-augmented engineering practices to
Added 3 months ago
MT
Senior Engineer - Design
Microchip Technology Inc.
Burnaby, British Columbia · Canada - Burnaby
- Full-time
…generation of advanced storage controller devices fueling the big data revolution. In this senior role you will take technical ownership of complex subsystems - driving them from…
Added 2 months ago
DI
Specialist, AI Engineering
Definity Insurance Company
Toronto, ON
- Full-time
Cross-Functional Collaboration: Work closely with data scientists, ML Engineering, data engineering, underwriters, claim adjusters, and product managers to identify high-impact…
Added 2 months ago
CI
Lead Business Analyst, Public Markets Technology
CPP Investments | Investissements RPC
Toronto, ON
- Full-time
…Investing Technology team develops and supports the technology and data capabilities that enable these investment…
Added 2 months ago
Senior Data Scientist - Toronto (m/f/d)
AutoTrader.ca
Toronto, ON
…expected to influence technical direction, raise the bar for engineering practices, and enable other data scientists and engineers to succeed. This position is permanent and based in…
Added 1 month ago
Senior Technical Artist: Procedural Art
Rockstar Games
Oakville, ON
Develop automated solutions for data processing.
Added 5 months ago
AG
Lead AI Engineer
Altus Group
Toronto, Ontario
- Full-time
…will work across LLM-powered applications, agentic workflows, data-driven analytics, and domain-specific AI models, partnering closely with Product, Engineering, Architecture, Data, and…
Added 7 months ago
MI
Engineer, AI & Software Testing
Magna International
Toronto, Ontario
- Full-time
…various methodologies. The incumbent will generate ground truth data, develop reference materials and annotated datasets, and build a robust testing framework to ensure high quality…
Added 2 months ago
FI
Principal Software Engineer
Fulfillment IQ
Remote, Canada
- Full-time
- Remote
Fulfillment IQ is a supply chain engineering and transformation company that helps brands, retailers, and 3PLs design, build, and scale high-performance logistics operations.
Added 1 month ago
A
Guidewire Developer - Rating / Pricing
Aviva
Markham, ON
- Other
As a Guidewire Rating Developer, you will contribute to the design, development, and maintenance of rating logic and rating‑related components within Guidewire PolicyCenter. You will…
Added 1 month ago
Senior Solution Consultant - Implementation
Coveo
Montreal, QC · AB
…deliver ultra-relevant results in under a second. This is where engineering meets…
Added 4 months ago
Data Architect
Konrad
Toronto, Ontario
Develop and deploy scalable data science and AI solutions in collaboration with engineering teams
Added 3 months ago
Senior Software Engineer, Full Stack
Brex
Vancouver, British Columbia
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
Evismart
Vancouver, BC
…disconnected systems, manual workflows, and decisions made without data. Most of it has never been touched by modern software engineering, let alone…
Added 3 months ago
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AI Developer
GenAIz
Montreal, Quebec
- 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
Netflix
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
…Employee Experience, and Security & Compliance through common data, identity, administration, and automation services. Built on the vision of autonomous workspaces - self configuring,…
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
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 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…

AtkinsRéalis

Senior Radiation Physicist

Mississauga, ON, Canada

Full-time

Apply About employer

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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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