Science
Geological technicians, except hydrologic technicians
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.
Median pay
$53,350
Growth to 2035
+4%
about as fast as average
Openings a year
1,000
Time to qualify*
2.5 years
* From a bachelor's degree in an unrelated field.
Pay
Geological technicians, except hydrologic technicians
Getting in
- Typical entry education
- Associate's degree
- On-the-job training
- Moderate-term on-the-job training
- Prior experience
- None
Calculate your switch to geological technicians, except hydrologic technicians
What the work is like
Dealing with the public
Unpleasant or angry people
Time pressure
Cost of a mistake
Freedom to make decisions
Repeating the same tasks
Time sitting
Time standing
Outdoors in all weather
Hazardous conditions
Core 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.
Also called: Core Inspector · Environmental Field Services Technician · Environmental Sampling Technician · Geological E-Logger · Geological Technician · Geoscience Technician · Geotechnician · Materials Technician
Outlook and AI
Geological technicians, except hydrologic technicians held 7,300 jobs in 2025. BLS projects 7,600 by 2035 (+4%, about as fast as average; all jobs: +3.5%).
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