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Added 3 months ago
MT
Senior Engineer - Design
Microchip Technology Inc.
Burnaby, British Columbia · Canada - Burnaby
- Full-time
Microchip’s Datacenter Solutions (DCS) group is looking for an experienced Design Engineer to join the storage controller team developing the next generation of advanced storage controller…
Added 3 months ago
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Sr. Electronics Engineer
Littelfuse
Saskatchewan
- Full-time
We are seeking an experienced Senior Electronics Engineer to lead the design, development, testing, and support of advanced electronic systems from concept through production. As part of…
Added 5 months ago
AG
Lead AI Engineer
Altus Group
Toronto, Ontario
- Full-time
Reporting to the Principal Architect, we are hiring a Lead AI Engineer to help shape and build the next generation of AI capabilities across the Altus Group platform ecosystem. As our new…
Added 2 months ago
FI
Principal Software Engineer
Fulfillment IQ
Remote, Canada
- Full-time
- Remote
Prior founding engineer or early platform team roles
Added 2 months ago
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Guidewire Developer - Rating / Pricing
Aviva
Markham, ON
- Other
…components within Guidewire PolicyCenter. You will collaborate with senior developers, architects, and actuarial partners to support our modernization and cloud transformation initiatives…
Added 2 months ago
Staff Offensive Security Engineer
Robinhood
Toronto, ON
As a Staff Offensive Security Engineer, you will take a hands-on role in designing and executing stealthy adversarial simulations to validate assumptions and uncover gaps in detection and…
Added 3 months ago
Senior Software Engineer, Full Stack
Brex
Vancouver, British Columbia
As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You will…
Added 2 months ago
Senior Software Engineer
Evismart
Vancouver, BC
…you're ready to stop being the boss and start being the best engineer in the room, I want to…
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 6 months ago
A
Senior Radiation Physicist
AtkinsRéalis
Mississauga, Ontario
- Full-time
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,…
Added 2 months ago
Senior Developer Experience Engineer
Justworks
Toronto, ON
As a Senior Developer Experience Engineer, how results are achieved is paramount for your success and ultimately results in our success as an organization. In this role, your foundational…
Added 6 months ago
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Principal Pre-sales Engineer - ALM (Automotive)
PTC
Canada
- Full-time
3+ years in a senior engineering / consultant role with strong communication and stakeholder management skills.
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 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 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…
Added 5 months ago
CI
Lead Software Engineer, AI & Emerging Tech
CPP Investments | Investissements RPC
Toronto, Ontario
- Full-time
…aligned 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…
Added 6 months ago
P
Principal Pre-sales Engineer - ALM (Automotive)
PTC
Canada
- Full-time
3+ years in a senior engineering / consultant role with strong communication and stakeholder management skills.
Added 2 months ago
Staff Back End Engineer (Applications)
Forma.ai
Toronto, ON
…join our application teams. You’ll work alongside other staff, senior, and early-career engineers to define, evolve, and scale the systems that power enterprise-grade product workflows.…
Added 3 months ago
Senior Staff Backline Engineer - Data & AI
Databricks
Vancouver, BC
…reliable, efficient workflows. Solid hands-on programming skills in Python, SQL, or…
Added 6 months ago
CO
Senior Distinguished Engineer- International Card Tech
Capital One
Toronto, Ontario
- Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Senior Distinguished Engineer- International Card Tech
Added 6 months ago
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AI Architect I
TextLayer
Remote, Canada
- $215,000 to $250,000 CAD / year
- Full-time
- Remote
Architect and maintain Python-based services using FastAPI for internal and customer-facing AI use cases
Added 5 months ago
MT
Senior Technical Staff Engineer - Analog Design
Microchip Technology Inc.
Ottawa, Ontario · Canada - Ottawa - March Road
- Full-time
Microchip’s Timing and Communication Group (TCG) is seeking a Senior Technical Staff Engineer – Analog Design to provide technical leadership and architectural direction across the…
Added 3 months ago
MT
Senior Engineer - Analog Design
Microchip Technology Inc.
Ottawa, Ontario · Canada - Ottawa - March Road
- Full-time
Microchip’s Timing and Communication Group (TCG) is seeking a Senior Engineer – Analog Design to support the development of high-performance analog and mixed-signal IP used across Microchip…
Added 3 months ago
Senior Security Operations Engineer
Brex
Vancouver, British Columbia
As a Security Operations Engineer at Brex, you will focus on preventing, detecting and responding to security threats across Brex's corporate and cloud environments. You will use existing…
Added 4 months ago
N
Applied AI Engineer
Nexxa.AI
Remote, Canada
- Full-time
- Remote
A customer-obsessed senior engineer who thrives in deeply technical, fast-moving environments.

AtkinsRéalis

Senior Radiation Physicist

Mississauga, ON, Canada

Full-time

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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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