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Geological Technicians, Except Hydrologic Technicians

US occupation · SOC 19-4043

Job titles people report: Core Inspector, Environmental Field Services Technician, Environmental Sampling Technician, Geological E-Logger, Geological Technician, Geoscience Technician, Geotechnician, Materials Technician, Physical Science Technician, Soils Technician

Pay and outlook

Median annual wage, May 2025
$53,350
Half earn more, half earn less
Middle half earn
$44,850 – $72,110
25th to 75th percentile
People employed, May 2025
6,980
Wage and salary jobs (OEWS)
Projected change, 2025–35
+3.6%
At or above the all-jobs rate (3.5% to under 7%)
Openings a year (projected)
1,000
New jobs plus replacing people who leave
Typical education to enter
Associate's degree
BLS
  • All figures are for the United States as a whole. Pay varies a lot by state and city.
  • Wages are for everyone working in the occupation in May 2025, at every career stage. They are not starting salaries or figures for new graduates.
  • Growth and openings are BLS projections for 2025–35. They are estimates, not promises. Openings include jobs that open up when people retire or change occupation, not just new jobs.

What the work involves

Assist scientists or engineers in the use of electronic, sonic, or nuclear measuring instruments in laboratory, exploration, and production activities to obtain data indicating resources such as metallic ore, minerals, gas, coal, or petroleum. Analyze mud and drill cuttings. Chart pressure, temperature, and other characteristics of wells or bore holes.

Main tasks

  • Test and analyze samples to determine their content and characteristics, using laboratory apparatus or testing equipment.
  • Collect or prepare solid or fluid samples for analysis.
  • Compile, log, or record testing or operational data for review and further analysis.
  • Prepare notes, sketches, geological maps, or cross-sections.
  • Participate in geological, geophysical, geochemical, hydrographic, or oceanographic surveys, prospecting field trips, exploratory drilling, well logging, or underground mine survey programs.
  • Prepare or review professional, technical, or other reports regarding sampling, testing, or recommendations of data analysis.
  • Adjust or repair testing, electrical, or mechanical equipment or devices.
  • Read and study reports in order to compile information and data for geological and geophysical prospecting.

Description and tasks from the O*NET® 31.0 Database.

Getting in

Typical education to enter (BLS)
Associate's degree
Training once hired: moderate-term on-the-job training
O*NET Job Zone 4
Considerable preparation
Most of these occupations require a four-year bachelor's degree, but some do not.

Interests it suits

The strongest of the six O*NET interest types for this occupation, highest first. The short glosses are ours.

  • Realistic: hands-on work with tools, machines, plants or animals
  • Conventional: organising information, records and procedures
  • Investigative: research, analysis and solving problems with ideas

Fields of study that lead here

From the federal CIP–SOC crosswalk, which links 8 programmes to this occupation. A link means the programme prepares people for this kind of work. It doesn't mean the programme is required, or that it's the only route.

Physics & Chemistry

  • Geology/Earth Science, General

Find colleges that fit you with our matcher: choose Physics & Chemistry at the Major step.

Where many students take physics & chemistry

Ordered by the field's share of degrees awarded times undergraduate enrolment (College Scorecard), among colleges with at least 1,000 undergraduates. Online universities are included. It's a rough measure of how big the programme is. It says nothing about quality. The share counts every programme in the field, not only the ones linked to this career.

Other fields

Our college matcher doesn't offer these fields as a major, so we can't suggest colleges for them here.

Engineering/Engineering-Related Technologies/Technicians

  • Mining Technology/Technician
  • Petroleum Technology/Technician
  • Mining and Petroleum Technologies/Technicians, Other

Science Technologies/Technicians

  • Science Technologies/Technicians, General
  • Chemical Process Technology
  • Physical Science Technologies/Technicians, Other
  • Science Technologies/Technicians, Other

Related careers

Related occupations from the O*NET database, in its order.

← All careers

Sources

This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA. CollegeMatcher has modified all or some of this information. USDOL/ETA has not approved, endorsed, or tested these modifications. O*NET 31.0 Database · CC BY 4.0

Changes: we show the core tasks in the O*NET database with the highest importance ratings (up to eight, in that order), the top three O*NET interest types by score, and shortened Job Zone names. Titles, descriptions and task text are unchanged.

Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. Projections, typical entry education and training: U.S. Bureau of Labor Statistics, Employment Projections 2025–35. Fields of study: NCES and BLS CIP 2020–SOC 2018 Crosswalk. All public domain. OEWS · Employment Projections · CIP–SOC crosswalk