Job Description

Overview

Join AtkinsRéalis’ Reactor Core Physics team and contribute to the future of nuclear engineering and innovation. As a Junior Reactor Physicist, you will support the design of new CANDU nuclear power plants and the protected operation of existing domestic and international facilities. Working alongside experienced specialists, you will develop technical expertise while contributing to meaningful engineering projects that help shape the energy industry.

Your Role

Perform reactor physics analyses to support reactor design, operation, and safety activities. Prepare input data and execute reactor physics computer codes for assigned analyses. Collate and evaluate results from multiple technical studies. Document analytical work in technical notes and reports. Present technical findings and recommendations at meetings. Develop, adapt, and modify FORTRAN-based computer programs for specialized applications. Support project delivery while maintaining quality, budget, and schedule requirements.

About You

A Relevant honors degree from a university of recognized standing in Physics or Nuclear Engineering or equivalent; reactor physics experience and/or background is a strong asset. Proficiency in reactor physics, Physics, Nuclear Engineering, or a related discipline. Proficiency in computer environments, with experience using Linux and Windows systems considered an asset. Proficiency in computer programming, particularly FORTRAN. Ability to communicate effectively through technical writing and presentations. Ability to work collaboratively, manage changing priorities, and demonstrate initiative in a team environment.

Rewards & Benefits





Explore the rewards and benefits that help you thrive – at every stage of your life and your career atAtkinsRéalisin 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 andexpertise. 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'reAtkinsRéalis, a world‑class engineering services and nuclear organization. We connect people,dataand technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers,engineersand project managers, we can change the world.We'recommitted 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

AtkinsRéaliscares about your privacy.AtkinsRéalisand other subsidiary or affiliated companies ofAtkinsRéalis(referred to throughout as “AtkinsRéalis”) are committed to protecting your privacy.



Please consult our Privacy Notice on our Careers site toknowmore about how we collect, use, and transfer your Personal Data. Bysubmittingyour personal information toAtkinsRéalis, you confirm that you have read andacceptour Privacy Noticeen/site-services/privacy-statement. 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. Created by the integration of long‑standing organizations dating back to 1911, AtkinsRéalis is a world‑class engineering services and nuclear company dedicated to engineering a better future for our planet and its people. We create sustainable solutions that connect people, data and technology to transform the world's infrastructure and energy systems. We deploy global capabilities locally to our clients and deliver unique end‑to‑end services across the whole life cycle of an asset including consulting, advisory &environmental; services, intelligent networks &cybersecurity;, design &engineering;, procurement, project &construction; management, operations &maintenance;, decommissioning and capital. The breadth and depth of our capabilities are delivered to clients in strategic sectors such as Engineering Services, Nuclear and Capital. News and information are available at Atkinsrealis or follow us on LinkedIn.

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📌 Junior Reactor Physicist (Mississauga)
🏢 SNC-Lavalin
📍 Mississauga