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AtkinsRéalisVerified Job Source

Maintenance Mechanic Millwright

Perform preventive, corrective, and emergency maintenance on power generation and utility plant equipment to ensure operational reliability. This includes troubleshooting mechanical failures, executing condition-based maintenance, and maintaining accurate records within the CMMS.

  • On-site
  • Mississauga, ON
  • Posted Jul 17, 2026
  • 1 position

Job summary

Job Description 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 50 lbs. and perform physically demanding tasks. Successful candidates must obtain and maintain airport security clearance and comply with all site access and security requirements. 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. About AtkinsRéalis 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. Additional Information AtkinsRéalis cares about your privacy. AtkinsRéalis and other subsidiary or affiliated companies of AtkinsRéalis (referred to throughout as “AtkinsRéalis”) are committed to protecting your privacy. Please consult our Privacy Notice on our Careers site to know more about how we collect, use, and transfer your Personal Data. By submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice. Appropriate accommodations will be provided upon request throughout the recruitment and hiring process as required by Company policy and the Accessibility for Ontarians with Disabilities Act (AODA). Successful applicants will be notified about AtkinsRéalis’ accommodation policies at the time the employment offer is extended, and the information will be shared with new personnel during the onboarding process. Expected compensation for this role is between $91,200 - $114,000 annually. Base salaries are determined according to several parameters like skills, experience, and potential impact on the role. Internal and external competitiveness are also taken into account in our offers. Worker Type Employee Job Type Regular At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.

What you’ll do

Perform preventive, corrective, and emergency maintenance on power generation and utility plant equipment to ensure operational reliability. This includes troubleshooting mechanical failures, executing condition-based maintenance, and maintaining accurate records within the CMMS.

Requirements

Requires a valid Ontario Industrial Mechanic (Millwright) Certificate of Qualification (433A) and at least 5 years of industrial maintenance experience. Candidates should possess strong knowledge of rotating equipment and be able to obtain airport security clearance.

Benefits

• Competitive Compensation • Employee Recognition • Flexible Health Benefits • Wellbeing Benefits • Financial Benefits • Lifestyle Benefits • Training and Professional Development • Hybrid Working Culture • Generous Time-off Policies

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Preventive Maintenance
  • Predictive Maintenance
  • Troubleshooting
  • Rotating Equipment
  • Stationary Equipment
  • Vibration Analysis
  • Ultrasound Technology
  • Laser Alignment
  • Precision Measurement
  • Lubrication Best Practices
  • Root Cause Analysis
  • CMMS
  • P&ID Interpretation
  • Hydraulic Systems
  • Pneumatic Systems
  • Mechanical Seals
  • Emergency Response
  • Industrial Repair And Maintenance
  • Engineering Plans And Specifications
  • Lubrication Systems
  • Energy Systems
  • Airport Security Clearance
  • Lifting Ability
  • Red Seal Certification
  • Mechanical Drawings
  • Safety Procedures
  • Lubrication
  • Computerized Maintenance Management Systems
  • Condition-Based Maintenance
  • Vibrations
  • Medical Ultrasonography
  • Innovation
  • Project Management
  • Operational Excellence
  • Operations
  • Security Requirements Analysis
  • Technical Communication
  • Technical Drawing
  • Troubleshooting (Problem Solving)
  • Diagnostic Tools
  • Investigation
  • Reliability

Job areas

  • Trades
  • Engineering
  • Energy
  • Transportation
  • Manufacturing
  • Millwright/Maintenance Mechanic
  • Millwright
  • Agricultural and Industrial Machinery Mechanics and Repairers
  • Millwrights

Additional details

Minimum education
Professional degree
Minimum experience
5+ years
Posting language
English
Working hours
40 hours per week