NOC 22101Geological and mineral technologists and technicians

TEER 2 — College diploma, apprenticeship (2+ yrs) or supervisory

NOC 22101 is the Canadian National Occupational Classification code for Geological and mineral technologists and technicians. It is classified TEER 2 — College diploma, apprenticeship (2+ yrs) or supervisory, which meets the skill requirement for Express Entry. 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.

Express Entry eligible: Yes
Regulated in Québec: No
In demand in Manitoba: Yes

Classification

Natural & applied sciences

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Definition

Geological and mineral technologists and technicians provide technical support and services or may work independently in the fields of oil and gas exploration and production, geophysics, petroleum engineering, geology, mining and mining engineering, mineralogy, extractive and physical metallurgy, metallurgical engineering and environmental protection. They are employed by petroleum and mining companies, consulting geology and engineering firms, and by governments and educational institutions as well as by a variety of manufacturing, construction and utilities companies.

Main duties

This group performs some or all of the following duties:
Geological and mineral technologists
Conduct or direct geological, geophysical, geochemical, hydrographic or oceanographic surveys, prospecting field trips, exploratory drilling, well logging or underground mine survey programs
Configure, operate and maintain geophysical survey and well logging instruments and equipment
Prepare notes, sketches, geological maps and cross sections
Prepare, transcribe or analyze seismic, gravimetric, well log or other geophysical and survey data
Assist engineers and geologists in the evaluation and analysis of petroleum and mineral reservoirs
Prepare or supervise the preparation of rock, mineral or metal samples and perform physical and chemical laboratory tests
Conduct or assist in environmental audits, in the design of measures to minimize undesirable environmental effects of new or expanded mining and oil and gas operations, and in the development of waste management and other related environmental protection procedures
May supervise oil and gas well drilling, well completions and work-overs
May conduct or supervise studies and programs related to mine development, mining methods, mine ventilation, lighting, drainage and ground control
May assist engineers and metallurgists in specifying material selection, metal treatments or corrosion protection systems
May assist hydrogeologists in evaluating groundwater and well circulation and in report preparation
May develop specifications for heat treatment of metals or for welding, design welding fixtures, troubleshoot welding processes or quality problems and supervise welding projects
May coordinate crew members' activities during seismic tests.
Geological and mineral technicians
Participate in geological, geophysical, geochemical, hydrographic or oceanographic surveys, prospecting field trips, exploratory drilling, well logging or underground mine survey programs and in environmental audits and related environmental protection activities
Operate and maintain geophysical survey and well logging instruments and equipment
Prepare notes, sketches, geological maps and cross sections
Assist in preparing, transcribing or analyzing seismic, gravimetric, well log or other geophysical and survey data
Assist in the preparation of rock, mineral or metal samples and in conducting physical and chemical laboratory tests
Assist in hydrogeological field and laboratory studies and in preparation of reports
Carry out a limited range of other technical functions in support of geology, geophysics and petroleum and mining engineering.

Example job titles

•assayer
•geological technician
•geophysical technologist
•groundwater technologist
•log technician
•marine geoscience technologist
•metallurgical technologist
•mineralogy technician

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Overview

Under the National Occupational Classification (NOC) 2021 system, NOC 22101 covers geological and mineral technologists and technicians. These professionals support geological, geophysical, geochemical, hydrogeological, and mining engineering fields. Common duties include conducting field surveys, running laboratory tests on mineral and rock samples, operating specialized monitoring and physical testing equipment, and preparing maps and cross-sections. They are typically employed by petroleum and mining companies, consulting geology and engineering firms, and government departments.

To qualify for this TEER Category 2 occupation, individuals usually must complete a two- to three-year college program in geological or petroleum technology, or a related discipline. Certification in geological technology or a related field is available through provincial associations and may be required by employers. Because NOC 22101 is classified as TEER 2, eligible professionals can apply for Canadian permanent residency through Express Entry programs, such as the Federal Skilled Worker Program and the Canadian Experience Class, as well as various Provincial Nominee Programs (PNPs).

Educational overview summarizing this occupation. Always confirm against the official NOC profile and IRCC before relying on it.

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Frequently asked questions

Is NOC 22101 eligible for Express Entry?

Yes — Geological and mineral technologists and technicians is TEER 2, and TEER 0–3 occupations meet the skill-level requirement for Express Entry programs such as the Federal Skilled Worker Program and the Canadian Experience Class. Full eligibility also depends on your work experience, language results and other program criteria.

What education or training does NOC 22101 usually require?

Geological and mineral technologists and technicians is classified as TEER 2 — College diploma, apprenticeship (2+ yrs) or supervisory. Always confirm the exact employment requirements on the official NOC profile before relying on them.

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Occupation data: Statistics Canada / ESDC — National Occupational Classification (NOC) 2021.