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OaSIS 2025 Version 1.0
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72400.01 – Construction millwrights and industrial mechanics

Construction millwrights and industrial mechanics install, maintain, troubleshoot, overhaul and repair stationary industrial machinery and mechanical equipment. Apprentices are also included in this occupation.

Overview

Example job titles

  • Construction millwright
  • Industrial mechanic
  • Industrial mechanic apprentice
  • Maintenance millwright
  • Millwright

Core competencies

  • Preventative Maintenance to ensure the reliability and longevity of industrial machinery, by proactively identifying issues early, such as worn components or lubrication deficiencies
  • Repairing and Troubleshooting to diagnose and repair mechanical faults in complex industrial machinery, such as malfunctioning motors or faulty sensors
  • Manual Dexterity to efficiently manipulate tools and machinery parts with precision to perform tasks such as assembling, disassembling and adjusting mechanical systems in tight or awkward spaces
  • Control of Settings to minimize risks, maximize productivity and prolong equipment lifespan, by accurately controlling settings, such as pressure, temperature or speed
  • Attention to Detail to maintain a degree of focus and precision while performing alignment, installation and maintenance of machinery to ensure operational efficiency and safety of mechanical systems
  • Knowledge in Mechanics and Machinery to understand advanced diagnosing and repairing of complex mechanical systems which are used in construction and industrial settings

Main duties

This group performs some or all of the following duties:

  • Read blueprints, diagrams and schematic drawings to determine work procedures
  • Install, align, dismantle and move stationary industrial machinery and mechanical equipment, such as pumps, fans, tanks, conveyors, furnaces and generators according to layout plans using hand and power tools
  • 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
  • Inspect and examine machinery and equipment to detect and investigate irregularities and malfunctions
  • Install, troubleshoot and maintain power transmission, vacuum, hydraulic and pneumatic systems, and programmable logic controls
  • Adjust machinery and repair or replace defective parts
  • Operate machine tools such as lathes and grinders to fabricate parts required during overhaul, maintenance or set-up of machinery
  • Clean, lubricate and perform other routine maintenance work on machinery
  • Construct foundations for machinery or direct other workers to construct foundations
  • Assemble machinery and equipment prior to installation using hand and power tools and welding equipment.

Additional information

  • Construction millwrights are mostly engaged in the initial installation of industrial plant machinery and equipment; industrial mechanics are more concerned with the post-installation maintenance and repair of machinery and equipment.
  • Industrial mechanics and millwrights may be cross-trained in a second trade such as pipefitting, welding, machining or electrical maintenance.
  • The Red Seal endorsement allows for interprovincial mobility.
  • Progression to supervisory positions is possible with experience.

Similar occupations classified elsewhere

Exclusions:

  • Heavy-duty equipment mechanics (72401)
  • Industrial instrument technicians and mechanics (22312)

NOC hierarchy breakdown

NOC version

NOC 2021 Version 1.0

Broad occupational category

7 – Trades, transport and equipment operators and related occupations

TEER

2 – Occupations usually require a college diploma or apprenticeship training of two or more years; or supervisory occupations

Major group

72 – Technical trades and transportation officers and controllers

Sub-major group

724 – Technical maintenance trades

Minor group

7240 – Machinery and transportation equipment mechanics (except motor vehicles)

Unit group

72400 – Construction millwrights and industrial mechanics

Occupational profile

72400.01 – Construction millwrights and industrial mechanics

O*NET in-it

This page includes information from the O*NET 27.2 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA. Employment and Social Development Canada has modified all or some of this information. USDOL/ETA has not approved, endorsed, or tested these modifications.