Millwright - Acton

Acton, ON, CA

Dufferin Aggregates - A CRH Company

Job ID:  489815

Work Type:  Full Time - Permanent 


It is a great time to join the CRH Canada team! CRH Canada is going through an exciting business transformation which demands first-class Talent Management support to drive results.

We are building a world- class team. Make your mark!

You will be a successful addition to our team if you look at change as an opportunity to develop and contribute to the business. You will be successful in your role if you like partnering with the business, presenting new ideas and providing excellent customer service.

Dufferin Aggregates, a divison of CRH Canada is looking to hire!


Job Description


The Millwright is mindful of efficiency, up-time, and customer service, who makes part of the regional maintenance team and supports the operations team by performing preventative and corrective maintenance activities, and project work for the Dufferin Aggregates


Key Duties and Responsibilities:

  • Maintain equipment in proper operating condition through preventative and corrective maintenance and providing support during breakdowns.
  • Responsible for project work (process and/or continuous improvement, reliability) and part of the annual shut-down team responsible for overhauls
  • Troubleshooting and maintenance (repair, overhaul, install, replace) of Dufferin Aggregates production equipment: belt conveyors, screw conveyors, dust collectors, pumps, pneumatic gates and actuators, compressors, boilers & water heaters, and similar equipment.
  • Removal of outdated and unused equipment as assigned. 
  • Report any deficiencies to the supervisor. 
  • Housekeeping duties as assigned. 



  • Industrial Millwright license
  • Completed Millwright Apprenticeship
  • Ability to obtain structural Welding certificate. 


Skills Requirements: 

  • Excellent written/oral communication skills
  • Welding, cutting, brazing using different techniques and with different metals.
  • Hoisting and Rigging knowledge required.
  • Knowledge of Pneumatic components and systems
  • Basic understanding and troubleshooting knowledge of pumps, fans, blowers, compressors.
  • Ability to read and follow blueprints, diagrams, schematics, work procedures.
  • Knowledge of transmission systems from motors to gearboxes, sheaves/pulleys, shafts, bearings
  • Operate hoisting and lifting devices, such as cranes, jacks and tractors to position machinery and parts during the installation, set-up, and repair of machinery,
  • Clean, lubricate and perform other routine maintenance work on machinery.
  • Install, remove, troubleshoot, and repair bucket elevator and conveyor systems.
  • Bearing lubrication, application, removal, and installation processes
  • Work from service manuals 
  • Inspect, troubleshoot, and identify problems with gear drives.  
  • Inspect, troubleshoot, and identify problems with Hydraulic/pneumatic systems.
  • Identify, select, and inspect proper rigging techniques.


Working Conditions and Physical demands:

  • Dufferin Aggregates will provide the opportunity to work under a varied range of conditions.
  • Ability to work outdoors and varied temperatures and weather conditions. Some instances of working at heights. 
  • Ability to work indoors in varied conditions through out the year and in confined spaces (ie. Hot, Noisy, Dusty) 
  • Effortless mobility through all areas of the quarry.
  • Physical abilities to perform duties. 


Health and Safety:

  • Comply with OHSA and all its applicable regulations.
  • Use of Personal Protective equipment as prescribed
  • Comply with Dufferin aggregates safety rules, policies, and procedures.
  • Report all incidents and near misses.
  • Report all safety hazards.
  • Follow Lockout/Tag out procedures.
  • Emergency response plan awareness


Environment and Quality:

  • ISO 9001 and 14001 compliances

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CRH Canada Group Inc. recognizes Canada’s diverse landscape. Accommodation is available upon request for applicants with disabilities throughout the recruitment and selection process.

Date:  Feb 10, 2024

Job Segment: Welding, Hydraulics, Manufacturing, Engineering