Posted 6 months ago
Radiation Physicist
@ AtkinsRéalis
Mississauga, Ontario
Overview
AtkinsRéalis is hiring a Radiation Physicist for its Fuel and Physics department, supporting new nuclear plant design and the operation, refurbishment, waste management and decommissioning of CANDU plants. The role leads radiation transport and dose calculation analyses, produces technical reports and presents results to stakeholders. The posting offers hybrid work, competitive compensation and flexible benefits.
Responsibilities:
- Lead and verify radiation transport and dose calculation analyses
- Develop activity transport and dispersion models
- Produce technical reports summarizing results
- Present results to internal and external stakeholders
- Develop or adapt computer codes for new problems
Requirements summary:
- PhD in Physics, Engineering Physics, Nuclear Engineering or Health Physics, or Master's with 3 to 4 years experience
- Experience with MCNP, SCALE or ADDAM
- Programming in Python, PERL, MATLAB, C++ or Fortran
- Willing to be designated a Nuclear Energy Worker
Tools & skills
Source and dates
Employer career site / ATS feed · workday
- Employer posting date
- 2026-04-26
- First seen by our source
- 2026-10-08
- Source record updated
- 2026-10-16
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Mid level |
| Department | Research & science |
| Experience | 3+ years |
| Hours per week | 40 (estimated) |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Education | Doctorate (required), Master’s degree (required) |
| Fields of study | Physics, Engineering Physics, Nuclear Engineering, Health Physics |
| Perks mentioned | Flexible hours, Paid training |
Summary and details written by AI from the posting; the employer’s posting is the authority.
AtkinsRéalis
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
Full company description
We are 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. ---
- LinkedIn followers
- 522,517
- People associated on LinkedIn
- 46,698
- Reported office locations
- 455 René-Lévesque Blvd W, Montreal, QC H2Z 1Z3, CA
- Business categories
- Construction
- Innovation Management
- Mining
- Infrastructure
- Transportation
- Energy
- Civil Engineering
- Other recorded names
- AtkinsRéalis
- Profile identifies a recruitment agency
- No
- Reported total investment
- 1,128,343,771
Currency and observation date were not supplied; this is not a current valuation or a funding round.
We are 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. ---
| Field | Value |
|---|---|
| Industry | Engineering Services |
| Company size | 10,001+ employees |
| Headquarters | Montreal, QC |
| Organization type | Public Company |
| Open jobs on Jobsy | 123 |
| View page |
Job Description
Overview
We are currently seeking a 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
Ph.D. (in Physics, Engineering Physics, Nuclear Engineering or Health Physics), or Masters’ degree with a minimum of 3 – 4 years of relevant work experience.
Experience with radiation transport, performing dose calculations, activity transport and/or dispersion models.
Experience with the computer codes MCNP, SCALE, or ADDAM (equivalent codes acceptable).
Ability to program especially in python, PERL, MATLAB, C++, or Fortran.
Willing to be designated as a Nuclear Energy Worker.
Additional Preferred Qualifications:
Experience working at a nuclear facility performing radiation transport and shielding calculations.
Experience with rehabilitation and decommissioning activities and supporting station operations.
Familiarity with codes and standards applicable 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.
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.
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
EmployeeJob Type
RegularAt 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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