Acton, ON, CA

Dufferin Aggregates - A CRH Company

Job ID:  492125

Work Type:  Full Time 


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!


Who we are
Recognized as one of Greater Toronto's Top 100 Employers, Dufferin Aggregates is a leading supplier of aggregates for the construction industry in Ontario. We operate more than 20 sites, including quarries, sand pits and distribution yards to supply crushed stone, sand and gravel, recycled crushed concrete as well as recycled crushed asphalt, for the commercial, industrial, residential and civil engineering sector. 


CRH is a leading provider of building materials solutions that build, connect and improve our world. Employing 78,500 people at 3,390 operating locations in 29 countries, CRH has market leadership positions in both North America and Europe.


Why Work with Us?

  • Pension and benefits included after probationary period.
  • Bonus pay based on safety and performance.
  • Highly competitive starting wage with multi-tier wage structure.
  • Overtime opportunities are available.
  • Company provided PPE including and yearly safety boot allowance
  • Company paid training.
  • Company sponsored social events and recognition program.
  • Employee Family Assistance Program.
  • Employee Referral Program.
  • A culture that values opportunity for growth, development, and internal promotion!


Position: Millwright  

Term: Full Time
Location: Acton, Ontario 
Start Date:  April, 2024



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



  • 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
  • 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
  • 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. 
  • Excellent written/oral communication skills
  • 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.
  • 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) 
  • Physical abilities to lift upwards of 50lbs on a consistence basis.


Visit our website for more information:

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:  Mar 27, 2024

Job Segment: Civil Engineer, Welding, Construction, Supply, Manufacturing, Engineering, Operations