Energy & Natural Resources · Resource Extraction

Geological Technicians, Except Hydrologic Technicians

Geological technicians collect and analyze rock, mineral, and soil samples to help companies understand what lies beneath the surface. The work is hands-on, technical, and you can enter with a high school diploma plus on-the-job training. Here is what the role involves, what skills matter most, and how to get started.

Median pay
$53,350
per year
Job outlook
+2%
little or no change
Typical education
High school
no degree required
Preparation
Considerable
Job Zone 4

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What a geological technician, except hydrologic technician does

Geological technicians document and record data from field samples and lab tests. You work with computers to process information, organize findings, and communicate results to supervisors and team members. The role draws on knowledge of mathematics, chemistry, physics, and engineering. You read technical documents, think critically about what the data shows, monitor equipment and procedures, and write reports. Much of your time involves getting information from various sources, planning your work, and staying in close contact with the geologists and engineers you support.

Core work activities

Career video courtesy of CareerOneStop.

Salary and job outlook

Geological Technicians, Except Hydrologic Technicians earn a median of $53,350 a year, based on 2025 data from the U.S. Bureau of Labor Statistics. Pay rises with experience, specialty, and location.

Lowest 10%$35,770
Median$53,350
Highest 10%$99,560

The outlook is modest. Employment is projected to grow 2 percent from 2024 to 2034, little or no change for all occupations, with about 1,300 openings a year.

Skills and knowledge you need

Top skills

  • Reading comprehension
  • Critical thinking
  • Monitoring
  • Writing
  • Active listening
  • Speaking

Knowledge areas

  • Computers and electronics
  • Mathematics
  • Engineering and technology
  • English language
  • Chemistry
  • Physics

How to become a geological technician, except hydrologic technician

Start with a high school diploma or equivalent. This field requires considerable preparation, so you will build skills through on-the-job training and hands-on experience. Many technicians take courses in geology, mathematics, chemistry, and computer applications to strengthen their foundation. Some employers offer formal training programs or apprenticeships. Reading comprehension, critical thinking, and active learning are essential as you develop expertise. Your counselor can help you identify entry-level positions and training opportunities in your area.

Most paths into this work start with a high school diploma and employer-sponsored training. If you are deciding between jumping into a job and taking additional coursework first, Pathly can map the geological technician, except hydrologic technician path that fits you and work through the options with your counselor.

Certifications and licensing

You do not need a license to work as a geological technician, except hydrologic technician, but professional certifications can strengthen your resume.

Common certifications

CORE
NSPS - THSOA Certified Hydrographer
National Society of Professional Surveyors
PRODUCT/EQUIPMENT
ArcGIS Desktop Professional 19-001
Environmental Systems Research Institute
PRODUCT/EQUIPMENT
ArcGIS Pro Professional 2201
Environmental Systems Research Institute
Certification and licensing data provided by CareerOneStop, sponsored by the U.S. Department of Labor (DOLETA) and the Minnesota Department of Employment and Economic Development (DEED).

Is this a good fit for you?

You are drawn to hands-on, technical work with real materials and data. You enjoy problem-solving, working with tools and instruments, and seeing how science applies to practical challenges.

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Last updated July 1, 2026.

Data sources. Career details from the O*NET 30.3 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA), used under CC BY 4.0. O*NET® is a trademark of USDOL/ETA. Salary and outlook figures from the U.S. Bureau of Labor Statistics (May 2025 wages; 2024–2034 projections), delivered via the CareerOneStop API. Certification, licensing, wage, and outlook data from CareerOneStop, sponsored by USDOL/ETA and the Minnesota Department of Employment and Economic Development (DEED).