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NOC 94100 is the Canadian National Occupational Classification code for Machine operators, mineral and metal processing. It is classified TEER 4 — High-school diploma or several weeks of training, which does not meet the skill requirement for Express Entry's federal programs. An officer decides whether you can claim this code by comparing the duties written in your reference letter against the official main duties below — not by your job title.
Classification
Manufacturing & utilities
9 › 94 › 941 › 9410
Definition
Machine operators in mineral and metal processing operate machinery to process mineral ore and metal. They are employed in mineral ore and metal processing plants such as copper, lead and zinc refineries, uranium processing plants, steel mills, aluminum plants, precious metal refineries and cement processing plants.
Main duties
Example job titles
Overview
Under the National Occupational Classification (NOC) 2021 system, code 94100 governs Machine Operators in Mineral and Metal Processing. These workers operate multi-function process control machinery or single-purpose machines to process mineral ores and metals. They are primarily employed in mineral processing plants, metal refineries, steel mills, and basic metal product manufacturing industries. Their duties involve setting up, operating, and maintaining equipment that grinds, separates, filters, melts, or refines mineral and metal resources, ensuring strict compliance with safety regulations and production specifications.
This occupation is classified under TEER Category 4, which typically requires a high school diploma or several weeks of on-the-job training. For foreign nationals looking to immigrate to Canada, TEER 4 occupations are eligible for key economic pathways. Candidates may qualify for Canadian permanent residency through specific streams of the Provincial Nominee Program (PNP), the Atlantic Immigration Program (AIP), or regional pilots designed for intermediate-skilled workers, depending on specific job offers and provincial criteria.
Employment requirements generally include completion of secondary school and on-the-job training, though some specialized positions may require previous experience as a helper or laborer within the mineral and metal processing sector.
Educational overview summarizing this occupation. Always confirm against the official NOC profile and IRCC before relying on it.
Commonly confused codes
Not for Express Entry's federal skilled programs — Machine operators, mineral and metal processing is TEER 4, and TEER 4–5 occupations don't meet that skill level. Provincial streams and other pathways may still be open; run the eligibility check to see which.
Machine operators, mineral and metal processing is classified as TEER 4 — High-school diploma or several weeks of training. Always confirm the exact employment requirements on the official NOC profile before relying on them.
Applicants most often mix up 94100 with 93100 (Central control and process operators, mineral and metal processing), 95100 (Labourers in mineral and metal processing). If your real day-to-day duties fit one of those codes better, that mismatch is exactly what an officer flags — double-check before you submit.
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Occupation data: Statistics Canada / ESDC — National Occupational Classification (NOC) 2021.