Are you a skilled Carpenter who takes pride in delivering high-quality craftsmanship and maintenance solutions? Do you enjoy working in a dynamic environment where your expertise contributes directly to the safe and efficient operation of facilities? Canadian Nuclear Laboratories (CNL) is seeking a Building Maintainer/Carpenter to join our team. In this role, you will perform a variety of carpentry, maintenance, and construction activities to support facility operations and meet customer needs in a timely and professional manner. If you're ready to put your skills to work on meaningful projects while contributing to a safe and collaborative workplace, we'd love to hear from you. Apply today! What you will be doing! Interpreting sketches, drawings, and plans to construct items and complete customer-requested projects in a timely and accurate manner. Performing skilled and semi-skilled carpentry, repair, finishing, renovation, and maintenance work to support safe and reliable facility operations. Replacing floor coverings and completing light masonry repairs as required to support building maintenance activities. Preparing cost and labour estimates to assist customers with renovation, construction, and budgeting decisions. Maintaining inventories of materials and spare parts to support efficient workflow and project completion. Maintaining work areas, tools, and equipment in accordance with housekeeping standards and regulatory requirements. Applying safety procedures, using personal protective equipment, and reporting safety concerns to support a safe working environment. Attending safety meetings and incorporating established safety practices into daily work activities. Assisting with the training, coaching, and mentoring of apprentices and trainees by demonstrating safe work practices and trade techniques. Monitoring work quality, identifying opportunities for improvement, and communicating training needs and progress to supervisors. Other duties as assigned by your manager.

What we are looking for

Education Secondary school diploma (or equivalent). Certified Carpenter qualification obtained through the completion of a recognized apprenticeship program (typically 7,200 hours) or an equivalent combination of training and experience. Tube and Clamp Scaffolding certification is considered an asset.

Experience

Experience performing carpentry work related to building maintenance, repairs, renovations, and construction projects. Experience interpreting sketches, drawings, and plans to complete projects accurately and efficiently. Experience providing material, labour, and cost estimates for maintenance and renovation work. Experience working safely in industrial, commercial, or construction environments. Experience mentoring, coaching, or supporting the development of apprentices and trainees is considered an asset.

Knowledge, Skills & Abilities

Knowledge of applicable building codes, standards, and safe work practices. Strong understanding of personal protective equipment (PPE) requirements and safe work procedures. Demonstrated proficiency in the use of woodworking tools, equipment, and carpentry techniques. Ability to estimate material quantities, quality requirements, and project costs. Strong troubleshooting, problem-solving, and analytical skills. Ability to read, interpret, and work from conceptual drawings and plans. Effective written and verbal communication skills with the ability to collaborate across multiple trades and stakeholder groups. Ability to work independently while managing competing priorities in a dynamic work environment.

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. This position is part of the AC Union and is governed by the terms and conditions outlined in the AC Collective Agreement. As a member of this bargaining unit, you’ll benefit from clear expectations around hours of work, wages, vacation, and other conditions that support a fair and consistent working environment. 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 jobs@cnl.ca. 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.