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Canadian Nuclear Laboratories

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Delivering the science of solutions.

Chalk River, Ontario

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Research Services
1,001–5,000 people

About

Canada's premier nuclear science and technology organization. CNL develops peaceful and innovative applications from nuclear technology through its expertise in physics, metallurgy, chemistry, biology and engineering. Highly skilled employees enthusiastically deliver a range of nuclear services ranging from research and development, design and engineering to specialized technology, waste management and decommissioning. Canadian Nuclear Laboratories is actively working to strengthen existing relationships and forge new ones with government, with industry, and with academia. https://www.youtube.com/watch?v=3HWf13MTqFM

Open positions

Project Control Coordinator Hiring Campaign

On-site · Chalk River

PROJECT CONTROL COORDINATOR HIRING CAMPAIGN  Are you looking for a role that will challenge you? Can you see yourself coordinating and supporting complex projects that contribute to Canada's nuclear science, environmental stewardship, and clean-up mission? Does the idea of planning schedules, monitoring costs, managing risks, supporting project teams, and driving project success bring you satisfaction? If you're an experienced project controls professional looking for your next opportunity, we'd like to hear from you. Our Chalk River location is seeking Project Control Coordinators (Levels…

Internal Dosimetry Technologist

On-site · Chalk River

Do you enjoy solving complex scientific puzzles that help protect people? Are you energized by work where precision, analytical thinking, and innovation directly contribute to radiation safety and operational excellence? Do you thrive in a laboratory environment where no two challenges are exactly the same? If you answered yes, then this may be the job for you! Our Chalk River location is looking for an Internal Dosimetry Technologist to play a vital part in supporting internal radiation dose assessment programs through in vivo and in vitro bioassay analysis, delivering accurate results that…

Operating Engineer, Class 3

On-site · Chalk River

Are you looking for a role that will challenge you? If you answered yes, then this may be the job for you!   Under the supervision of the Chief Operating Engineer or designate, successful candidates will be responsible for performing the duties required of an Operating Engineer CLASS 3 (CL3). What you will be doing!   The Operating Engineer CL 3 is directly accountable for: Operating Chalk River Laboratories (CRL) Powerhouse equipment. Operating heating, ventilation, and air conditioning equipment, including ventilating fans, refrigeration compressors, pumps, steam and hot water boilers,…

Director, Fire & Emergency Management

On-site · Chalk River

Are you the kind of leader who believes that safety isn’t just a requirement but a responsibility to people, community, and environment? Do you thrive in highly regulated environments where precision, planning, and accountability are critical to success?  Are you driven to build programs that not only meet compliance expectations but also set the benchmark for industry best practices? Our Chalk River location is looking for a Director, Fire & Emergency Management, to lead stewardship of a comprehensive fire protection and emergency management program that prevents and mitigates fire-related r…

Fleet & Maintenance Supervisor

On-site · Chalk River

Do you enjoy leading teams and driving safe, efficient operations? Are you experienced in maintenance or fleet environments and ready to take the next step? If you do, our Fleet & Maintenance Supervisor role offers the opportunity to lead a diverse team while ensuring work is executed safely, efficiently, and on schedule in a fast-paced operational environment. This role plays a key part in supporting daily operations, coaching team members, and maintaining high standards of safety, performance, and collaboration. Apply today! What will you be doing!   Leading and overseeing daily fleet and…

Manager, S&T Project Controls

On-site · Chalk River

Are you looking for a role that will challenge your leadership, analytical, and strategic planning skills? Can you see yourself guiding a high‑performing project controls team that supports large, complex science and technology projects? If you answered yes, then this may be the job for you—apply today! Our Science and Technologies (S&T) mission is looking for a Project Controls Manager to lead the project controls team and ensure S&T projects are delivered efficiently, responsibly, and successfully. What will you be doing!   Optimizing S&T Project Controls Organization: Establishing manage…

Manager, Whiteshell Clean Up

On-site · Pinawa

Are you looking for a role that challenges you and lets you make a lasting impact on environmental restoration and remediation? Can you see yourself leading environmental site assessments, evaluating remediation strategies, and guiding critical clean-up activities that support the safe restoration of the Whiteshell site? Do you enjoy providing technical leadership, ensuring regulatory compliance, and collaborating with multidisciplinary teams to solve complex environmental challenges? If you answered yes, then this Manager, WL Clean-up opportunity may be the job for you! What you will be doi…

Director, Digital Safety

On-site · Chalk River

Are you looking for a role where you can define the future of digital safety in a complex, mission-critical environment? Can you see yourself leading enterprise-wide cybersecurity programs while establishing the standards, controls, and governance frameworks that protect critical digital systems and information assets? If you answered yes, this may be the job for you. Apply today, as our Chalk River location is looking for a Director, Digital Safety to lead the development and implementation of CNL's Digital Safety Framework.  What you will be doing!   Digital Safety Framework & Standards A…

Senior Contracts Officer

On-site · Chalk River

Are you interested in a new and challenging opportunity? If so, we are looking for a Senior Contracts Officer to manage contracts for complex goods and services on behalf of CNL, ensuring fair value for money and meeting the requirements of clients, jurisdictional authorities, and company policies and procedures in a timely, cost-effective manner. Are you a self-starter who has managed engagements and has experience working with stakeholders; managing suppliers; designing and implementing sourcing processes, including drafting and managing RFPs; negotiating agreements and resolving issues tha…

Whiteshell Nuclear Security Officer

On-site · Pinawa

Are you looking for a role that will challenge you while you help safeguard people, property, and special nuclear materials? Can you see yourself responding rapidly and professionally to security events under normal, emergency, and hazardous conditions? Do you like using your judgment, training, and communication skills in a regulated environment where safety and standards matter? If you answered yes, then this may be the job for you! Apply today! What will you be doing! Performing physical protection duties to safeguard personnel, property, and special nuclear materials in accordance with…

Operations Specialist, Recycle Fuel Fabrication Laboratories (RFFL)

On-site · Chalk River

Do you enjoy supporting complex technical operations in a highly regulated environment? Can you see yourself helping ensure the safe, reliable, and efficient operation of nuclear facility systems while contributing to fuel fabrication campaigns, research activities, and continuous improvement initiatives? If so, as an Operations Specialist here at CNL, you will play a key role in maintaining facility readiness, solving operational challenges, and advancing innovative nuclear science and technology. This may be the job for you! Apply today! What you will be doing!   Maintaining and continuou…

Research and Development (R&D) Material Scientist

On-site · Chalk River

Imagine yourself leading innovative R&D projects that directly influence the safety and performance of nuclear materials. In this role, you’ll design and execute complex experiments, develop advanced testing systems, and work hands‑on with irradiated and unirradiated materials in state-of-the-art facilities. You’ll collaborate with industry experts, mentor junior staff, and contribute to national and commercial programs that drive real impact. If you're ready to solve challenging problems and help shape the future of materials science, this is where your work will truly matter. Apply today!…

Maintenance Engineering Specialist

On-site · Pinawa

Are you looking for a role where you can directly influence the safe, reliable, and efficient operation of critical plant systems and equipment? Do you enjoy solving complex technical problems, developing innovative maintenance strategies, and collaborating with diverse stakeholders to improve performance and reliability? If you do, as a Maintenance Engineering Specialist, you will provide expert engineering support, drive continuous improvement, and help ensure compliance with regulatory and quality requirements across the site. Interested? Apply today! What you will be doing!   Creating e…

Maintenance Engineer

On-site · Pinawa

Are you someone who is meticulous in your work? Do you enjoy seeing how the bigger environmental picture come together? Can you see yourself providing electrical, instrumental, and control engineering support to the organization? If you answered yes, then this may be the role for you. Our Whiteshell (WL) location is looking for a Maintenance Engineer to join the team. Apply today!    What you will be doing!    Producing, updating, and improving maintenance documentation, including procedures, manuals, emergency protocols, safety and QA documents. Identifying, investigating, and resolving m…

Mechanical Engineer

On-site · Pinawa

Are you looking for a role that will challenge you? Would you like to make a meaningful difference in the environment? Can you see yourself designing mechanical and process systems, supporting decommissioning activities, and ensuring high‑quality engineering outcomes for a unique nuclear site? Do you enjoy applying your technical expertise, collaborating with multidisciplinary teams, and supporting critical projects that matter to Canadians? If you answered yes, our Pinawa, Manitoba, location is looking to fill the role of Mechanical Engineer . Apply today! What will you be doing! Preparing…

Project Engineer

On-site · Pinawa

Are you looking for a role that will challenge you while allowing you to make a meaningful impact? Can you see yourself providing technical direction on complex decommissioning and construction projects that help shape Canada’s environmental cleanup efforts? Do you enjoy conducting field walk‑downs to verify design parameters, construction progress, and operational readiness? Would you like to play a key role at a unique nuclear decommissioning site where your expertise directly contributes to safety, innovation, and project success? If you answered yes, then this may be the job for you! Our…

Civil Engineer

On-site · Pinawa

Are you looking for a role that will challenge you? Would you like to make a difference in the Environment? If you answered yes, our Whiteshell Laboratories (WL) site located near Pinawa, Manitoba, is looking for a Civil Engineer . Can you see yourself  supporting for the development of preliminary, conceptual and detailed design of civil structures, as well as being the subject matter expert (SME) support for civil and structural design work, including project engineering and infrastructure demolition engineering activities that may present themselves during the execution of decommissioning…

Maintenance Engineer

On-site · Pinawa

Are you someone who is meticulous in your work? Do you enjoy seeing how the bigger environmental picture comes together? Can you see yourself providing electrical, instrumental, and control engineering support to the organization? If you answered yes, then this may be the role for you. Our Whiteshell (WL) location is looking for a Maintenance Engineer to join the team. Apply today!    What will you be doing!    Producing, updating, and improving maintenance documentation, including procedures, manuals, emergency protocols, safety and QA documents. Identifying, investigating, and resolving…

Civil Design Technician

On-site · Pinawa

The Civil Design Technician will work in a multi-disciplinary branch providing integrated project management, engineering, design and construction services for nuclear and non-nuclear facilities at the Whiteshell (WL) site. Under general direction from the Branch Manager, the employee will contribute to the development of conceptual, preliminary and detailed designs of civil, building services, outdoor services, architectural, structural and/or HVAC design.  Can you see yourself filling this role? If you answered yes, then this may be the job for you! What will you be doing!   Leading desi…

Electrical Design Technician

On-site · Pinawa

Are you looking for a role that will challenge you? Would you like to make a meaningful difference in the environment? Can you see yourself supporting the design of electrical power systems that directly contribute to the safe decommissioning and operation of facilities at the Whiteshell site? Do you enjoy creating detailed engineering drawings, solving technical problems, and collaborating within a multidisciplinary team? If you answered yes, our Pinawa, Manitoba, location is looking to fill the role of Electrical Design Technician . Apply today! What will you be doing! Being assigned as a…