Specialist Radiation Physicist
Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Apr 27, 2026. AtkinsRéalis scores A on the Alion truth index.
Job Description
Overview
We are currently seeking a SpecialistRadiation 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 or Ph.D. degree in Physics, Engineering Physics, Nuclear Engineering, and Registered Professional Engineer in Ontario (or in progress to attain).
15+ years of relevant experience performing neutronics, radiation transport, dose, activity transport and/or dispersion model calculations or 10 years of experience with an advanced degree.
Expertise 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.
Conversant in the codes and Standards used in safety analysis.
Ability to program especially in python, MATLAB, C++, or Fortran and familiarity with the Linux operating system.
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.
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
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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.