Are you looking for a role that will challenge you? Can you see yourself as a Maintenance Planner (Mechanical), playing a key role in ensuring maintenance and construction activities are planned safely, efficiently, and effectively? Do you enjoy collaborating with multiple stakeholders, solving technical challenges, identifying hazards, coordinating materials and resources, and developing detailed work plans that support successful project execution?

If you answered yes, then this may be the job for you! Apply today!

What you will be doing!

- Preparing assessment work packages, including Job Cards, Integrated Work Packages (IWPs), and Detailed Work Plans (DWPs).
- Interfacing with customers to identify the full scope of work and establish planning requirements.
- Visiting job sites to assess work activities and estimate labour requirements for maintenance and construction tasks.
- Identifying workplace hazards and incorporating appropriate controls into work plans.
- Reviewing work activities to identify applicable codes, standards, and jurisdictional requirements.
- Identifying material, equipment, and special tooling requirements necessary to complete assigned work.
- Collaborating with engineering teams to support the design and technical evaluation of work activities.
- Coordinating with support groups to obtain drawings, documentation, permits, and technical references.
- Determining the appropriate level of planning documentation and preparing detailed work plans.
- Identifying applicable procedures, manuals, and technical references required for successful work execution.
- Recommending equipment and component substitutions where appropriate.
- Procuring materials and equipment required to support scheduled activities.
- Preparing purchase requisitions and supporting procurement activities.
- Monitoring and expediting material deliveries to support planned work schedules.
- Coordinating with Maintenance Planning Coordinators and Schedulers to ensure work activities are based on accurate material availability information.
- Assisting with the training, coaching, and mentoring of new employees.
- Other duties as assigned by your manager.

What We Are Looking For

- Education
- Successful completion of a recognized apprenticeship in one or more relevant industrial trades and a minimum of two (2) years of technical experience as a journeyman in industrial maintenance or construction.
- OR
- Graduation from a recognized Institute of Technology, or equivalent, with a minimum of six (6) years of experience in industrial maintenance or construction.

- Experience

- Experience planning maintenance, construction, or industrial work activities.
- Experience interpreting technical drawings, specifications, procedures, and work requirements.
- Experience estimating labour, material, tooling,



and resource requirements for maintenance activities.
- Experience supporting procurement activities and material management processes.
- Experience working within industrial maintenance and work management environments.

- Knowledge, Skills & Abilities

- Demonstrated ability to develop detailed work plans and maintenance work packages.
- Strong problem-solving skills with the ability to evaluate work requirements and identify practical solutions.
- Demonstrated ability to communicate effectively with technical staff, planners, schedulers, supervisors, customers, and trades personnel.
- Proven ability to build cooperative working relationships and resolve conflicts in a professional manner.
- Demonstrated ability to provide constructive feedback and support continuous improvement initiatives.
- Strong verbal and written communication skills.
- Demonstrated ability to work independently, manage multiple priorities, and achieve established objectives.
- Working knowledge of maintenance management practices and industrial work planning processes.
- Working knowledge of Occupational Health and Safety legislation and regulations applicable to industrial and construction environments in Ontario.
- Working knowledge of nuclear and conventional ASME piping and pressure vessel codes, Canadian Building Codes, and HVAC systems and standards.
- Demonstrated understanding of equipment, systems, and maintenance practices relevant to industrial facilities.
- Applied knowledge of business software, including Microsoft Outlook, Word, and Excel.
- Working knowledge of computerized work management and maintenance management systems.
- Demonstrated commitment to safety, quality, and operational excellence.
- Strong interpersonal skills with the ability to work effectively as part of a multidisciplinary team.

- 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

- Working schedule: Four (4) days per week, ten (10) hours per day for a forty (40) hour work week.





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: Onsite 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. Please note: This is a fully on-site position based at our Chalk River Laboratory in 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 [email protected] . 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.

📌 Maintenance Planner (Chalk River)
🏢 Canadian Nuclear Laboratories
📍 Chalk River