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Added 5 months ago
CI
Senior Engineer, Data Enablement, Data Platforms
CPP Investments | Investissements RPC
Toronto, Ontario
- Full-time
5+ years of software engineering experience delivering production-grade services using Python
Added 3 months ago
CI
Lead Engineer, Data Enablement, Data Platforms
CPP Investments | Investissements RPC
Toronto, Ontario
- Full-time
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
As a Staff Performance Engineer, you will be responsible for automating Performance tests, identifying and resolving performance bottlenecks across the entire system stack, including the…
Added 6 months ago
A
Senior Radiation Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
…(equivalent codes acceptable, ability to program especially in python, PERL, MATLAB, C++, or Fortran and proficient in Microsoft Office. Familiarity with the Linux operating…
Added 6 months ago
A
Radiation Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
Ability to program especially in python, PERL, MATLAB, C++, or Fortran.
Added 6 months ago
A
Specialist Radiation Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
Masters or Ph.D. degree in Physics, Engineering Physics, Nuclear Engineering, and Registered Professional Engineer in Ontario (or in progress to attain).
Added 6 months ago
A
Specialist Reactor Physicist
AtkinsRéalis
Kincardine, Ontario
- Full-time
Ability to program especially in python, MATLAB, C++, or Fortran and familiarity with the Linux and Windows operating system.
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
P
Principal Pre-sales Engineer - ALM (Automotive)
PTC
Canada
- Full-time
Added 3 months ago
WB
Senior Software Engineer
Warner Bros. Discovery
Remote, Canada
- Full-time
- Remote
The CNN Growth team is hiring a Senior Software Engineer to help build and evolve the
Added 1 month ago
Staff Software Engineer, ML Infra & Distributed Systems
Tubi - Canada
Toronto, ON
As a Staff Software Engineer on the ML Infrastructure team, you will collaborate closely with the Machine Learning and Product teams to build world-class machine learning inference…
Added 5 months ago
A
Senior Engineer - System
Aptiv
Kanata, Ontario
- Full-time
Wind River Systems is seeking a high-performing, highly skilled team software engineer for a team developing automated tests to validate safety-critical embedded real-time operating systems…
Added 4 months ago
DSP - FEC Design Engineer
Celero Communications, Inc.
Vancouver, British Columbia · Ottawa, Ontario
Programming experience in C/C++, Python, MATLAB, or similar languages.
Added 4 months ago
Optical DSP Design Engineer
Celero Communications, Inc.
Vancouver, British Columbia · Ottawa, Ontario
Programming experience in C/C++, Python, MATLAB, or similar languages.
Added 1 month 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…
Added 4 months ago
CI
Lead Software Engineer, AI & Emerging Tech
CPP Investments | Investissements RPC
Toronto, Ontario
- Full-time
…with organizational goals. The ideal candidate is a senior engineer passionate about coding, with deep expertise in python, emerging tech, cloud infrastructure, and AI/ML - and thrives in a…
Added 2 months ago
C
Forward Deployed Engineer, Sovereign AI
Cohere
Remote, Canada
- $175,000 to $385,000 CAD / year
- Full-time
- Remote
You have shipped (lots of) Python in production
Added 7 months ago
T
Solutions Engineer
TrendAI
Canada
- Full-time
Trend Micro is seeking a Solutions Engineer who is passionate about cybersecurity and AI-powered platforms, thrives in direct customer engagement, and excels at helping organizations solve…
Added 6 months ago
S
AI Builder / Forward Deployed Engineer
Sagard
Toronto, Ontario
- Full-time
The AI Builder / Forward Deployed Engineer will work closely with business teams across investment, finance, compliance and operations to identify high-value opportunities and build…
Added 1 month ago
CD
Distributed Systems Engineer
Cadence Design Systems
Vancouver, BC
- Full-time
…algorithms. We're looking for a motivated distributed systems engineer to help build the scalable data processing infrastructure for handling massive circuit designs across distributed…
Added 6 months ago
P
Principal Pre-sales Engineer - ALM (Automotive)
PTC
Canada
- Full-time
Added 1 month ago
E
MTS 2, Staff Full Stack Engineer
eBay
Remote, Canada
- Full-time
- Remote
We are seeking a MTS 2 Staff Full Stack Engineer with to help redefine and elevate the Goldin platform. In this role, you’ll work across the stack, collaborating with high-velocity teams to…
Added 1 month ago
E
MTS 2, Full Stack Engineer
eBay
Toronto, Ontario
- Full-time
We are seeking a MTS 2 Full Stack Engineer with to help redefine and elevate the Goldin platform. In this role, you’ll work across the stack, collaborating with high-velocity teams to…
Added 2 months ago
JS
BI Data Engineer
Jonas Software
Markham, ON · Canada - Markham - Ontario
- Full-time
Full stack engineer for BI / Reporting solution
Added 2 months ago
JC
BI Data Engineer
Jonas Club Software
Markham, ON · Canada - Markham - Ontario
- Full-time
Full stack engineer for BI / Reporting solution

AtkinsRéalis

Senior Radiation Physicist

Mississauga, ON, Canada

Full-time

Apply About employer

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.

Apply About employer

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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