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Geotechnical Assistant Jobs (NOW HIRING)

TERRACON

Geotechnical Assistant Geologist

Tempe, AZ · On-site

Tabulate and prepare data for written reports. * Assist with report preparation by summarizing data ... We provide geotechnical services nationwide for a wide range of projects, drawing on six decades of ...

TERRACON

Geotechnical Assistant Geologist

Boise, ID · On-site

Tabulate and prepare data for written reports. * Assist with report preparation by summarizing data ... We provide geotechnical services nationwide for a wide range of projects, drawing on six decades of ...

Olsson

Assistant Geotechnical Engineer

La Vista, NE · On-site

As an assistant engineer on the geotechnical team you will work on projects involving traditional geotechnical engineering analysis, foundation and subsurface design, and evaluation during ...

Burns & McDonnell

$75K - $110K/yr

Description The Assistant Geotechnical Engineer will work under the supervision of a licensed professional engineer to assist project teams to create world class designs for new projects, alterations ...

Burns & McDonnell

$75K - $110K/yr

Description The Assistant Geotechnical Engineer will work under the supervision of a licensed professional engineer to assist project teams to create world class designs for new projects, alterations ...

Socket.dev

Geotechnical Engineer

Orlando, FL · On-site

Provide field support during installation of geotechnical elements * Assist CEI staff with interpretation of plans, specs, and geotechnical requirements * Participate in or support pre-construction ...

New

HDR

Geotechnical Engineer

Orlando, FL · On-site

Provide field support during installation of geotechnical elements * Assist CEI staff with interpretation of plans, specs, and geotechnical requirements * Participate in or support pre-construction ...

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Geotechnical Assistant information

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$34.5K

$107.6K

$172K

How much do geotechnical assistant jobs pay per year?

As of Sep 13, 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.

What is a geotechnical assistant?

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.

What types of projects and tasks does a geotechnical assistant typically support, and how do these contribute to larger engineering projects?

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.

What are the key skills and qualifications needed to thrive as a geotechnical assistant, and why are they important?

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.

Is a geotechnical assistant a good career?

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.
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Geotechnical Assistant jobs near you
Infographic showing various Geotechnical Assistant job openings in the United States as of September 2026, with employment types broken down into 95% Full Time, and 5% Part Time. Highlights an 95% In-person, and 5% Hybrid job distribution, with an average salary of $107,595 per year, or $51.7 per hour.

Geotechnical Assistant Staff Project Manager (Entry-Level)

Baton Rouge, LA • On-site

ECS Ltd
See more jobs at ECS Ltdexternal

Full-time

Re-posted 21 days ago

Job description

Responsibilities
  • Primarily involved with assisting staff with field tasks supporting geotechnical projects
  • Responsibilities include clearly documenting site observations for both construction materials testing (CMT) and geotechnical field work performed
  • Other duties may include assisting with or performing the following with limited supervision:
    • Perform boring and test pit layouts
    • Prepare drilling packages and obtain utility clearances
    • Perform research on local geologic history
    • Assist with supervision of field work performed by drilling/test pit crews and assist with rig access issues.
    • Perform in-situ testing
    • Classify soils
    • Keep project staff informed of changing site conditions and/or additional testing requested on project sites

Qualifications
  • Bachelor and/or Master of Science in Civil Engineering, Geological Engineering, Geology, or similar is required
  • No experience required
  • Professional license is not required in this position but is necessary to progress in career
  • If driving for, or on behalf of, any ECS subsidiary, a valid driver's license is required.

Military Qualifications
  • The following US Military ranks will qualify for this position IF they also meet the education and licenses requirements from the above section titled "Required Qualifications":
    • E-5

About Us
ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and building science + infrastructure consulting services. We are employee-owned with more than 3,00 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #60 in Engineering News-Record's Top 500 Design Firms (April 2026), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #38 in Zweig Group's Hot Firm List (June 2026). For additional information about ECS, visit: www.ecslimited.com.
ECS is an Equal Opportunity Employer. To learn more, click here.

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