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Geotechnical Assistant Jobs (NOW HIRING)

TERRACON

Geotechnical Assistant Geologist

Boise, ID · On-site

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

TERRACON

Geotechnical Assistant Geologist

Phoenix, AZ · On-site

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

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 ...

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Geotechnical Assistant information

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$34.5K

$107.6K

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How much do geotechnical assistant jobs pay per year?

As of Aug 21, 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 August 2026, with employment types broken down into 2% As Needed, 75% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $107,595 per year, or $51.7 per hour.

Geotechnical Assistant Staff Project Manager

ECS Ltd

Greensboro, NC • On-site

Full-time

Posted 11 days ago

Job description

Responsibilities
The Geotechnical Assistant Staff Project Manager supports geotechnical engineering projects through field investigations, data collection, and early project coordination activities. This role is primarily field-based and provides foundational experience in subsurface exploration, documentation, and project workflows. The Geotechnical Assistant Staff Project Manager develops technical, consulting, and project management skills while maintaining a positive customer service attitude and demonstrating an understanding of ECS Core Values.
Responsibilities
  • Supports geotechnical field investigations and subsurface exploration activities
  • Performs boring and test pit layout using surveying and GPS methods
  • Prepares drilling packages and obtains utility clearances
  • Assists with supervision and coordination of drilling and test pit crews
  • Performs in-situ testing and soil classification
  • Documents field observations and testing results accurately
  • Communicates site conditions and testing needs to project staff
  • Conducts research on local geologic conditions
  • Assists with preparation of calculations, reports, and project documentation
  • Supports project lifecycle activities, including planning and execution
  • Interfaces with contractors and field personnel on project sites
  • Performs other field and project support tasks as assigned

Qualifications
Required Qualifications
  • 0 years of related experience
  • Bachelor and/or Master of Science in Civil Engineering, Geological Engineering, Geology, or similar is required
  • If driving for, or on behalf of, any ECS subsidiary, a valid driver's license is required
  • Strong communication skills (verbal and written)
  • Self-motivated and responsible work ethic
  • Ability to work effectively in teams and independently
  • Basic understanding of geotechnical principles (developing)
  • Limited knowledge of construction materials testing and ASTM standards
  • Interest in project management, consulting, and business development
  • Attention to detail in field observations and documentation

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 facilities consulting services. We are employee-owned with more than 3,000 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 #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: www.ecslimited.com.
ECS is an Equal Opportunity Employer. To learn more, click here.

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