Geotechnical Assistant information
See salary details
$82.1K is the 25th percentile. Wages below this are outliers.
$72K - $84.5K
14% of jobs
The median wage is $103.8K / yr.
$97K - $109.5K
12% of jobs
$109.5K - $122K
16% of jobs
$126.4K is the 75th percentile. Wages above this are outliers.
$122K - $134.5K
11% of jobs
$134.5K - $147K
7% of jobs
$147K - $159.5K
5% of jobs
$159.5K - $172K
5% of jobs
How much do geotechnical assistant jobs pay per year?
As of Aug 22, 2026, the average yearly pay for geotechnical assistant in the United States is $107,595.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,000.00 and $130,500.00 per year, depending on experience, location, and employer.
A Geotechnical Assistant is a professional who supports geotechnical engineers and geologists in investigating and analyzing soil, rock, and groundwater conditions at construction or mining sites. Their duties typically include collecting soil and rock samples, performing field tests, assisting with laboratory analysis, and preparing technical reports. They play a crucial role in ensuring that structures like buildings, bridges, and roads are built on safe and stable ground. Geotechnical Assistants work closely with engineers to interpret data and help make recommendations for foundation design and site development.
As a Geotechnical Assistant, you will often support a range of projects such as site investigations for building foundations, slope stability assessments, and environmental studies. Your daily tasks may include assisting with soil and rock sampling, preparing laboratory tests, logging field data, and helping senior engineers with data analysis and reporting. These responsibilities are crucial as they provide the foundational data needed for safe and effective design in construction and civil engineering projects. Working closely with geotechnical engineers, surveyors, and laboratory staff, you'll be an integral part of the team ensuring projects meet safety and regulatory standards.
To thrive as a Geotechnical Assistant, you need foundational knowledge in geology or civil engineering, typically supported by a relevant degree or diploma, and basic field or laboratory experience. Familiarity with soil testing equipment, data logging systems, and software such as AutoCAD or GIS is often required. Strong attention to detail, effective communication, and the ability to work collaboratively in field environments make candidates stand out. These skills are crucial for ensuring the accuracy and reliability of geotechnical data, which directly impacts the safety and success of construction and engineering projects.
A geotechnical assistant supports geotechnical engineers by collecting data, preparing reports, and assisting with site investigations, often requiring knowledge of soil testing and construction environments. The role offers opportunities for career growth in geotechnical engineering and related fields, with a typical schedule involving fieldwork and office tasks. It can be a good entry point for those interested in civil engineering and geosciences.
More about Geotechnical Assistant jobs What cities are hiring for Geotechnical Assistant jobs?
Cities with the most Geotechnical Assistant job openings:
What are the most commonly searched types of Geotechnical jobs?
The most popular types of Geotechnical jobs are:
What states have the most Geotechnical Assistant jobs?
States with the most job openings for Geotechnical Assistant jobs include:
What job categories do people searching Geotechnical Assistant jobs look for?
The top searched job categories for Geotechnical Assistant jobs are:
