Step into a pivotal scientific leadership role where your expertise in external dosimetry drives Canada’s radiation health research forward. Can you see yourself leading a growing team, shaping cutting‑edge work in radiation metrology, and developing advanced irradiation facilities that enable real scientific impact? In this role, you’ll guide high‑impact computational and experimental R&D while collaborating with top universities, government partners, and industry to solve real‑world challenges in radiation science. If you’re ready to make a measurable difference in understanding biological responses to ionizing radiation and supporting critical national dosimetry services, this is where your work will matter most. Apply today. What will you be doing! Providing scientific Leadership of research initiatives and generating new research project proposals with appropriate resourcing and budgeting. Collaborating with CNL colleagues to provide and characterize the irradiation facilities required for biological studies and other variations of research projects. Providing expert scientific advice within the company and to external clients. Identifying emerging market opportunities and supporting project execution. Ensuring the legislative and legal requirements of the Biology Research and Development Facility (BRDF) irradiation facilities are met by providing support when identified. Planning and conducting research in areas relevant to radiation effects, dosimetry and risk assessment, and novel detection metrology. Proactively working with business development to identify opportunities and lead R&D activities for new applications. Identifying and liaising with researchers and the BRDF branch manager to address gaps in capability (personnel and equipment). Evaluating and quantifying exposure (inanimate objects) and dose (for biological samples) using dose calculation software for research projects, where necessary, as a subject Matter Expert. Collaborating with colleagues in Canadian Universities to develop and undertake dosimetry and instrument‑related research projects funded by the Federal S&T program, the CANDU Owners Group and other organizations. Developing the skills necessary to provide an extra resource for dose assessments in support of CRL Dosimetry Services. Assisting the BRDF branch manager and team on the development and implementation of a multi‑user program for all BRDF facilities, allowing use of these CNL assets by university collaborators and other requestors. Assisting the Facility Authority (FA) and the BRDF branch manager in the development of the HPNG as a secondary standard laboratory. Providing input to the Isotopes, Radiobiology, and Environmental (IRED) directorate on strategic equipment capabilities and personnel skill sets. Acting as a resource and Subject matter expert (in the field of radiation dosimetry) for CNL. Other duties as assigned by your manager. What We Are Looking For Education A PhD in Physics, or relevant discipline (i.e., radiation physics, applied nuclear physics, health physics or medical biophysics) from a university of recognized standing. Experience Minimum of 8 years of relevant experience in radiation physics, health physics, modelling, or radiation sciences. Experience with modelling techniques, including MCNP (desirable). Experience managing or utilizing multi‑user radiation facilities. Experience developing and evaluating radiation‑detection instrumentation, including demonstrated use of Monte Carlo codes for neutron transport and neutron‑scattering problem solving. Experience with experimental measurement techniques involving radiation sources and radiation measurement instruments. Knowledge, Skills & Abilities Demonstrated ability to publish scientific research as lead or senior author in peer‑reviewed journals. Proven ability to produce research outputs suitable for peer‑reviewed publication. Strong oral and written communication skills, with the ability to convey complex scientific concepts to multidisciplinary teams and non‑expert stakeholders. Ability to effectively interact with staff at all levels—technical, management, and clients—to meet operational objectives. In‑depth understanding of particle physics, including neutrons, protons, and heavy ions, and their quantification. Strong understanding of ionizing radiation interactions (low‑ and high‑LET) with living matter and dose deposition (asset). Proficiency with radiation‑measurement instrumentation and experimental techniques. In‑depth knowledge of statistics and mathematics, and the ability to create, write, and read computer programs for data production, analysis, and interpretation, as well as for computational dosimetry model development. Knowledge of radiation principles and the concept of dose for external exposures. Knowledge of secondary standards laboratories and irradiation facilities, including relevant regulatory responsibilities. Ability to lead and grow a research team, provide expert scientific advice, identify emerging market opportunities, and support commercial project execution. Understanding of neutron detection instrumentation, including the ability to evaluate or develop detection systems. Ability to use or learn dose‑calculation software to support and expand the organization’s dosimetry capabilities. Familiarity with multi‑user facility frameworks (asset). Security Clearance Eligibility Required Reliability Status with Site Access Security Clearance (SASC), which has a minimum requirement of 3‑5 years of verifiable history in Canada, Australia, New Zealand, the United States and/or the United Kingdom. CNL implements security screening in accordance with the Treasury Board of Canada Secretariat's “Standard on Security Screening” and the “Policy on Government Security.” Working Conditions Office and laboratory setting, involving radiological materials and devices and licensed nuclear facilities, thus some other areas where the position will work are Controlled. It is not expected, but if required, the position will be required to conform to dosimetry bioassay procedures for radionuclide intakes. Why CNL? Does the idea of working with a dynamic team across Canada to advance nuclear science and technology for a clean and secure world excite you? At CNL, we’re reinventing ourselves to be industry leaders—pioneering solutions to the problems that matter most . From building the next generation of clean nuclear and hydrogen energy technologies , to developing targeted cancer treatments , to continuing our global leadership in environmental remediation —we are driven by impact, innovation, and purpose. What We Offer: A Total Rewards Package We believe in taking care of our people. Here’s what you can expect as part of our team: Paid time off: vacation, sick, personal, and floater days Benefits effective Day One – no waiting period Tuition support to help you keep learning and growing A defined‑benefit pension plan or a defined‑contribution pension plan, depending on your employee group, to support your long‑term financial security Do Our Priorities Resonate with You? Delivering clean energy for today and tomorrow Restoring and protecting the environment Contributing to the health of Canadians If so, you’ll feel right at home at CNL! Location: Hybrid Remote Eligible CNL works with employees across our Canadian locations to enable remote work when possible. This role requires regular work at CNL’s Chalk River Laboratory site while also permitting the employee to spend the majority of their time working remotely, should they so desire . CNL employees who choose to work remotely the majority of the time are provided with the equipment required to be successful at their remote workplace (laptop, chair, monitor, etc.); however, they are not provided a dedicated onsite office. Please note: This is a hybrid position , with a combination of remote work and onsite presence at our Chalk River Laboratory, Ontario. Our Commitment to Equity, Diversity & Inclusion At CNL, we are committed to fostering an environment that promotes equity, diversity, and inclusion . We celebrate and welcome employees, stakeholders, and partners of all backgrounds and identities. Click here to read all about it! We are proud to uphold a workplace culture grounded in our Core Values : Respect Teamwork Accountability Safety Integrity Excellence These values drive our employment practices and ensure meaningful career development opportunities and accommodations for all employees. CNL is an equal opportunity employer . If you require accommodation during any phase of the hiring process, please let us know via . All requests will be handled with confidentiality. CNL operates on sites located on the traditional lands, waterways and ceded and unceded territories of Indigenous peoples. CNL recognizes and affirms all First Nations, Métis communities and Inuit in this land we now know as Canada. We acknowledge, respect and seek to better understand Indigenous history, rights and title on the lands where we work and develop projects. We honour and respect the importance of the relationship between Indigenous peoples and their lands, waters and territories. #J-18808-Ljbffr