Are you looking for a role where you will provide mechanical trades services by troubleshooting, repairing, installing, and fabricating mechanical equipment and repairing, modifying, and installing new or existing structures? If so, our Whiteshell Laboratories (WL) site is looking for a Millwright to support the day-to-day operation of CNL industrial equipment and ensure customer commitments are met. Apply today!

What will you be doing!

Performing tasks based on the Red Seal Occupational Analysis. Performing routine and non-routine preventative and corrective maintenance to ensure consistent and safe operation of CNL mechanical equipment. Eg. Pumps, compressors, various types of precision machining equipment, gear boxes, hydraulic units. Troubleshooting mechanical equipment to ensure safe operation and continuity of production. Reading and interpreting drawings, work packages and reference materials to ensure that the scope of a given job is fully understood. Ensuring that all aspects of the job have been considered and comply with Atomic Energy of Canada (AECL) regulations and all applicable codes. Documenting maintenance activities and comprehensive work packages by completing all pertinent paperwork to ensure that an accurate maintenance history is available for review and or audit purposes. Constructing, fabricating, installing and/or decommissioning mechanical systems and structures. Maintaining good housekeeping practices in all work areas, tools and equipment. Adhering to provincial, federal and AECL regulations to provide a safe and efficient working environment. Attending monthly safety meetings and immediately reporting any safety concerns and/or infractions. Applying Event Free Tools and Pre-Job Brief information throughout the execution of assigned work. Assisting in the training, coaching and mentoring of apprentices and co-op students. Other duties as assigned by your manager.

What We Are Looking For

Education Must be a high school graduate or equivalent. Must have completed apprenticeship training or equivalent and be qualified as a Millwright with an Interprovincial Red Seal ticket. Experience Must have three (3) years’ experience as a Red Seal Millwright. Experience in a wide variety of industrial work environments. Knowledge, Skills & Abilities Knowledge of internal structural checklists, maintenance records, and inspection processes. Knowledge of applicable codes and standards such as CSA 47.1/W59, CSA N285, Z-299, Quality Assurance levels and Underwriter’s Laboratory codes. Knowledge of metallurgy and the effectiveness of the equipment being used. Ability to read blueprints and technical drawings specific to Millwrights to have a thorough understanding of the scope of the job in question. Ability to use various hand and power tools and precision measuring and levelling equipment. Written and verbal communication skills to be able to work in multi-trade groups and communicate with CNL staff across a broad range of disciplines. Highly motivated and able to work with minimal supervision. Problem-solving abilities to change installation techniques to on-site working conditions. Ability to operate a variety of hand and power tools, as well as the ability to determine the most appropriate means of proceeding with the work. Mechanical ability to troubleshoot and repair equipment. Ability to determine how equipment operates by looking at a diagram or blueprint. Good comprehension skills in interpreting drawings and code specifications. Ability to provide material take-offs and labour estimates. Ability to read and interpret engineering drawings and weld to the engineering specifications. Good planning and organizational skills. Ability to adapt to a changing environment and respond with initiative. Must be punctual, dependable and safety-minded. Detail-oriented with the ability to meet deadlines. Exceptional organisational skills, including time prioritisation and management, are required. 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

This position is part of the The International Association of Machinists and Aerospace Workers Local 608 and is governed by the terms and conditions outlined in the IAM 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. Working schedule: We have a compressed work week: Four (4) days per week, ten (10) hours per day for a forty (40) hour work week, starting at 6:00 a.m. to 4:30 p.m.

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 for your future 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 near Pinawa, Manitoba, our Whiteshell site is surrounded by pristine lakes, rivers, and forests — a true haven for outdoor enthusiasts. The area offers a peaceful, close-knit community atmosphere, ideal for those who enjoy nature, recreation, and a balanced lifestyle.

Please note: This is a fully onsite position based at our Whiteshell site, Manitoba.

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.

Whiteshell Laboratories is situated on the traditional lands of Treaties 1 and 3, and near Treaty 5. This land is the home of the Anicinabe, Ojibway Anishinaabe and the National Homeland of the Red River Métis. We recognize that many other Indigenous Peoples across the region and Canada also consider this area their home. CNL is deeply grateful for the opportunity to work on these lands and waterways, which hold significant cultural and historical importance. We acknowledge that this site was established without consultation with the Indigenous Peoples of this area. We recognize the ongoing impact of this and we are committed to understanding and respecting the unique Indigenous history, rights and title associated with this land.