Overview Are you looking for a role where you can plan, coordinate, and drive work that directly supports safe and efficient operations? Can you see yourself stepping into aMaintenance Planner (Mechanical)role where you develop work packages, identify scope, and ensure jobs are executed with precision and accuracy? Do you enjoy working with multiple teams, solving complex problems, and ensuring everything is in place before work begins? If you answered yes, then this may be the job for you!ResponsibilitiesPreparing assessment work packages (Job Cards, IWP’s, DWP’s) in accordance with established procedures.Interfacing with customers to identify the full scope of work and required outcomes.Visiting job sites and estimating work content for various trades.Identifying workplace hazards and ensuring appropriate controls are included in planning.Determining materials, special tooling, and support requirements for assigned work.Coordinating with engineering and support groups for design input, drawings, and evaluations.Identifying required procedures, manuals, and documentation needed for work plans.Preparing detailed work plans that outline job steps, materials, and execution strategy.Supporting procurement activities, including estimating and requisitioning materials and equipment.Monitoring and expediting material delivery timelines to support scheduling requirements.Coordinating with Planning Coordinators to ensure work is scheduled based on accurate information.Other duties as assigned by your manager.Qualifications EducationSuccessful completion of a recognized apprenticeship in a relevant industrial trade with a minimum of 2 years of related experience; ORGraduation from an Institute of Technology (or equivalent) with a minimum of 6 years of experience in industrial maintenance or construction.ExperienceExperience in industrial maintenance, construction, or work management planning environments.Knowledge, Skills & AbilitiesStrong problem‑solving skills with the ability to develop practical and effective solutions.Ability to communicate effectively with technical teams, supervisors, and cross‑functional stakeholders.Knowledge of applicable codes and standards, including ASME, Canadian piping and pressure vessel codes, and building systems.Demonstrated understanding of the Occupational Health and Safety Act and construction regulations.Experience in identifying hazards and incorporating safety requirements into work planning.Working knowledge of maintenance management and work management systems.Skilled in software such as MS Word, Excel, and email tools.Strong organizational skills with attention to detail in planning and documentation.Ability to provide constructive feedback and collaborate to resolve planning and scheduling conflicts.Security Clearance Eligibility RequiredReliability 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 ConditionsWorking schedule: Four (4) days per week, ten (10) hours per day for a forty (40) hour work week.BenefitsPaid time off: vacation, sick, personal, and floater daysBenefits effective Day One – no waiting periodTuition support to help you keep learning and growingA defined‑benefit pension plan or a defined‑contribution pension plan, depending on your employee group, to support your long‑term financial securityLocation Located in the heart of the Ottawa Valley, our Chalk River site offers a beautiful natural setting with forests, lakes, and wildlife, right at your doorstep. Surrounded by welcoming communities such as Deep River, Petawawa, and Pembroke, you’ll have access to unparalleled outdoor adventures and a fantastic work‑life balance. This is a fully on‑site position based at our Chalk River Laboratory in Ontario.Employer Commitment to Equity, Diversity & Inclusion 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. 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 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