Maintenance Mechanic Millwright

Mississauga, Ontario, Canada

Overview

Join AtkinsRéalis and play a critical role in maintaining the infrastructure that supports essential airport operations. As a Maintenance Mechanic (Red Seal Millwright), you will be part of a team responsible for the safe, reliable, and efficient operation of power generation and utility plant systems. This is an exciting opportunity to contribute to critical infrastructure, apply advanced mechanical maintenance expertise, and support innovation and operational excellence within a dynamic engineering environment.

Your Role

• Perform preventive, predictive, corrective, and emergency maintenance on power generation and utility plant equipment.

• Troubleshoot mechanical equipment failures using technical drawings, schematics, OEM manuals, and diagnostic tools.

• Repair, overhaul, align, install, commission, and recommission rotating and stationary equipment.

• Execute condition‑based maintenance activities using vibration analysis, ultrasound technology, laser alignment, precision measurement, and lubrication best practices.

• Support root cause analysis investigations and implement corrective actions to improve equipment reliability and performance.

• Maintain accurate maintenance records, work orders, inspection reports, and equipment history within the CMMS.

• Adhere to safety procedures, regulatory requirements, emergency response protocols, and critical utility operational standards.

About You

• Red Seal Endorsement is preferred/strongly desirable for interprovincial trade recognition.

• Valid Ontario Industrial Mechanic (Millwright) Certificate of Qualification, 433A.

• Minimum 5 years of industrial maintenance experience in a heavy industrial, utility, or power generation environment.

• Strong knowledge of rotating equipment maintenance, precision alignment, bearings, lubrication systems, mechanical seals, pumps, compressors, hydraulic systems, and pneumatic systems.

• Ability to read and interpret P&IDs, mechanical drawings, technical manuals, OEM documentation, and engineering specifications.

• Computer proficiency to enter work records, review documentation, and use CMMS tools.
  

* This position is based on‑site within a 24/7 critical infrastructure environment and may require rotating shifts, overtime, participation in scheduled outages, and on‑call availability. Work is performed in industrial utility settings and may involve exposure to heights, confined spaces, elevated temperatures, noise, and mechanical hazards. The role requires the ability to lift up to 50lbs.and perform physically demanding tasks.Successful candidates must obtain and maintain airport security clearance and comply with all site access and security requirements.

Why choose AtkinsRéalis?

Wherever you are in your career – and whoever you are – AtkinsRéalis is for you. Here, support and collaboration are a vibrant part of a culture that lets you choose where – and how far – your career can go. Take on projects that push boundaries and drive sustainable impact, surrounded by colleagues who believe there's no limit to how brilliant you can be. It's time to join a like‑minded team where you'll be rewarded, supported, and free to be your kind of brilliant.

Rewards & Benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career at AtkinsRéalis in Canada.
Enjoy competitive compensation, employee recognition, and a brilliant range of flexible benefits you can tailor to your health, wellbeing, financial and lifestyle needs.
Make the most of diverse opportunities for training and professional development to grow your skills and expertise.
And take advantage of our hybrid working culture and generous time‑off policies to balance a fulfilling career with your personal life.

Be rewarded. Find out more.

We're AtkinsRéalis, a world‑class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.
Find out more.