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Maintenance mechanics, millwrights and machine repairers fabricate, install, dismantle, or move machinery and heavy equipment according to layout plans, blueprints or other drawings. They keep machines, mechanical equipment or the structure of an establishment in repair.

They assemble, install and set equipment such as shafting, motors, generators, air compressors and conveyors using hand and power tools. They align machines and equipment using manual hoists, jacks and hand tools. Duties may involve pipefitting, boiler making, insulating, welding, machining, carpentry, repairing electrical or mechanical equipment, installing, aligning and balancing new equipment, and repairing buildings, floors and stairs.

Working Conditions

Maintenance mechanics, millwrights and machine repairers employed in manufacturing often work in a factory setting either inside or outside in all weather conditions. They must work at heights, in awkward positions, confined spaces and areas where there may be risks. They use protective equipment to avoid common hazards, such as safety belts, protective glasses and hard hats.


  • Must be at least 18 years old
  • Must have high school diploma or equivalent
  • Must be physically able to perform trade
  • Must meet any additional qualifications set forth by employer

Terms of Apprenticeship

  • 4-year program
  • 8,000 hours of on-the-job training
  • 576 hours of paid related classroom instruction
  • Apprentice must complete Red Cross First Aid, CPR and Transition-To-Trainer Courses

Get Started

To become a millwright apprentice you need to find an employer who will sponsor you. Each company has its own requirements for entry into the apprenticeship program. Once you have a sponsor, your employer will contact the Bureau of Apprenticeship Standards who will create an apprenticeship contract between you and your employer.


For questions about electrical and instrumentation apprenticeships or the application process, please contact Stephanie Haka at, or Job Center, 364 Grand Avenue, Wausau, WI, 54403.