Radiation Physicist

AtkinsRealis

CA.ON.Mississauga.2251 Speakman Drive, Canada

Full Time

Posted April 27, 2026

$84k - $142k· Est.

Nuclear Energy

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Listing evidence and provenance

Source: Workday View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed October 7, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Nuclear Energy
Pay provenance: Estimated benchmark; not employer-provided

Job Description

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.

Key Responsibilities

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.

Requirements

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.
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.

Benefits & Perks

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.