NOC 84100: Underground mine service and support workers

Underground mine service and support workers perform a range of duties related to the operation of orepasses, chutes and conveyor systems, the construction and support of underground structures, passages and roadways, and the supply of materials and supplies to support underground mining. They are employed by coal, metal and non-metallic mineral mines.

Express Entry eligibility

• Skilled work (TEER 0 to 3): no, TEER 4 does not count for Express Entry.
• Canadian Experience Class: does not count.
• Federal Skilled Worker Program: does not count.
• Federal Skilled Trades Program: not one of the eligible trades.
• High-wage occupation (from November 3, 2026): no. No high-wage add-on, and a job offer in it earns no CRS points.

TEER 4: Occupations that usually need a high school diploma or several weeks of on-the-job training. Every program has other requirements too, such as language test results and, for FSW, a points test.

Category-based draws

NOC 84100 is not on any of IRCC’s occupation category lists. You can still be invited in general, Canadian Experience Class or other program draws if you qualify through other experience.

Category lists checked on canada.ca on 2026-10-17. IRCC category-based selection

CRS points for work in NOC 84100

None. Work in TEER 4 and 5 occupations earns no Canadian work points in the CRS.

See Canadian work points and the median-wage rule.

Main duties

This group performs some or all of the following duties:

• Operate and maintain ore chutes or conveyor systems to control flow of ore or coal in underground mine
• Operate construction equipment such as bulldozer, grader or backhoe to build and maintain underground passages and haulageways
• Construct and repair wood or metal supports and structures such as bulkheads, platforms, drift doors and chutes using construction and mining tools
• Attach and extend ventilation and water pipes and related mine services
• Assist miners in setting up and operating various drills and other mining machinery
• Supply and maintain backfill distribution of sand, rock or other materials
• Operate diesel or electric track haulage equipment such as ore trains to distribute personnel and supplies and to convey ore from orepass to primary crusher or skip
• Maintain supply storage areas and maintain equipment and supplies such as explosives, drill bits, fire extinguishers, lamps and batteries
• Perform routine maintenance of machinery.

For Express Entry your duties must match the lead statement and most of the main duties above.

Example job titles

• backfiller - underground mining
• blaster helper - underground mining
• cage tender
• conveyor operator - underground mining
• crusher operator - underground mining
• driller helper - underground mining
• haulageman/woman - underground mining
• lamp keeper - underground mining
• materialman/woman - underground mining
• mine construction worker
• orepass tender - underground mining
• pipeworker - underground mining
• raise miner helper
• skip tender
• timberman/woman - underground mining
• trainman/woman - underground mining

Employment requirements

• Completion of secondary school is usually required.
• Previous formal training of up to six weeks followed by periods of on-the-job training as a helper or in support occupations is usually required.
• Previous experience as a mine labourer is usually required.
• May be certified in the basic common core program in Ontario.
• Company licensing or certification is often required for occupations in this unit group.

Similar jobs with a different code

• 73402Drillers and blasters - surface mining, quarrying and construction
• 85110Mine labourers
• 83100Underground production and development miners