National Occupational Classification (NOC) 2016 Version 1.0


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7316 - Machine fitters

Machine fitters fit, assemble and otherwise build heavy industrial machinery and transportation equipment, including aircraft engines. They are employed in industrial machinery and transportation equipment manufacturing industries.

  • Illustrative example(s)

    • aircraft engine fitter
    • assembly fitter
    • heavy equipment fitter
    • machine builder
    • machine fitter
    • machine tool builder
    • mechanical fitter

    All examples

  • Exclusion(s)

    • Aircraft assemblers (See 9521 Aircraft assemblers and aircraft assembly inspectors)
    • Assemblers of electrical industrial equipment (See 9525 Assemblers, fabricators and inspectors, industrial electrical motors and transformers)
    • Mechanical assemblers and inspectors (See 9526 Mechanical assemblers and inspectors)
    • Millwrights (See 7311 Construction millwrights and industrial mechanics)
    • Supervisors of machine fitters (See 7301 Contractors and supervisors, mechanic trades)
    • Welders and related machine operators (See 7237 Welders and related machine operators)
  • Main duties

    Machine fitters perform some or all of the following duties:

    • Read and interpret blueprints, sketches and diagrams to determine assembly operations
    • Fit and assemble prefabricated metal parts to build heavy industrial machinery and equipment such as construction, farming, and processing machinery, railway vehicles and aircraft engines
    • Move and align subassemblies and components using lifting and transporting devices such as overhead cranes
    • Install major components such as gears, pumps, motors or hydraulic assemblies
    • Inspect parts, subassemblies and finished products to ensure quality.
  • Employment requirements

    • Completion of secondary school is usually required.
    • Completion of a mechanical apprenticeship program, such as millwrighting, machining, pipefitting, automotive service or heavy equipment repair
      Completion of a four-year machine fitter apprenticeship program
      Completion of five years of on-the-job training is usually required.
    • Completion of a two- to three-year college program in aircraft manufacturing or general fabrication is required for aircraft engine fitters.
    • Certification in a related trade may be required.
  • Additional information

    • Progression to supervisory positions is possible with experience.
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