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Geotechnical Assistant Jobs (NOW HIRING)

TERRACON

Geotechnical Assistant Geologist

Phoenix, AZ

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 ...

Mace

Geotechnical Engineer

New York, NY · Hybrid

$150K/yr

You'll Be Responsible For: * Assist with overseeing geotechnical subsurface investigations including preparing boring logs, conducting in-situ tests and collecting field records * Assist with site ...

HDR

Geotechnical Engineer

Orlando, FL

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 Jun 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 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 geotech a good career?

A career as a geotechnical assistant involves supporting geotechnical engineers in soil testing, site investigations, and data analysis. It offers opportunities for growth in the geotechnical field, often requiring technical skills, certifications, and fieldwork in various environments. The role can lead to advanced positions in geotechnical engineering or related disciplines.

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.

How much is the salary of a geotechnical engineer?

The salary of a geotechnical engineer typically ranges from $60,000 to $100,000 annually, depending on experience, education, and location. Entry-level positions may start lower, while experienced engineers with specialized skills or certifications can earn higher salaries.

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 engineers make $500,000?

Highly experienced engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires advanced skills, extensive experience, and working in high-paying industries or leadership roles.

What qualifications do you need to be a geotechnical engineer?

To become a geotechnical engineer, a bachelor's degree in civil engineering, geotechnical engineering, or a related field is required. Professional licensure, such as a Professional Engineer (PE) license, is often necessary for advanced roles and responsibilities, along with strong skills in soil mechanics, geology, and the use of engineering software.
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:
Geotechnical Assistant jobs near you
Infographic showing various Geotechnical Assistant job openings in the United States as of June 2026, with employment types broken down into 7% Full Time, 90% Part Time, and 3% Temporary. 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 Geologist

Geotechnical Assistant Geologist

TERRACON

Phoenix, AZ

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

Terracon rating

7.3

Company rating: 7.3 out of 10

Based on 112 frontline employees who took The Breakroom Quiz

42nd of 57 rated business consultants

Job description

Evaluate and interpret subsurface field and sampling data including soil and groundwater to develop conclusions concerning the environmental and geologic site conditions. Generate subsurface maps and cross-sections and collaborate with engineering and environmental scientist staff on projects. Oversee field monitoring and testing of soils including boring investigations and soil type classification. Interpret soil, bedrock and groundwater elevation and quality data. Prepare written plans and reports related to site investigations, assessments and remediation activities. Projects may include construction projects focusing on earthwork and structural foundations; well design and sampling; environmental assessments including Phase I/II site assessments; seismic risk assessments.
Terracon is a 100 percent employee-owned multidiscipline consulting firm comprised of more than 8,000 curious minds focused on solving engineering and technical challenges from more than 200 locations nationwide. Since 1965, Terracon has evolved into a successful multi-discipline firm specializing in environmental, facilities, geotechnical, and materials services. Terracon's growth is due to our talented employee-owners exceeding expectations in client service and growing their careers with new and exciting opportunities in the marketplace. Terracon was recognized as the #1 firm in Asbestos and Lead Abatement.

Terracon's vision of "Together, we are best at people" is demonstrated through our excellent compensation and benefits package. Based on eligibility, role and job status, we offer many programs including medical, dental, vision, life insurance, 401(k) plan, paid time off and holidays, education reimbursement, and various bonus programs.
Innovation and hands-on practice come together in our geotechnical consulting services. We provide geotechnical services nationwide for a wide range of projects, drawing on six decades of historical geotechnical data, a fleet of more than 200 drill rigs, 140 accredited laboratories, and thousands of employees to quickly organize or capture site data wherever projects are located.From AI-supported solutions and predictive technologies to geophysics and traditional exploration, we deliver precision, value-added subsurface information and engineering and scientific expertise to solving our clients' challenges and achieve their goals for project sustainability, quality, and efficiency.
  • Bachelor's degree in Geology, Hydrogeology or related field.
  • A valid driver's license with acceptable violation history may be required.


Preferred Qualifications:

  • Certification in field of expertise.
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.
  • Entry level geological professional responsible for gathering data and information to be evaluated by other team members.
  • Performs sampling and testing of water, soil, and other materials.
  • Tabulate and prepare data for written reports.
  • Assist with report preparation by summarizing data and information within reports.
  • Operates field monitoring equipment.
  • Assists with operation and maintenance of remediation and instrumentation systems.
  • Transport material, samples or documents to the laboratory for further testing and analysis.
  • Maintains and calibrates field monitoring equipment.
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.
  • Developing level Geologist/ Hydrogeologist responsible for conducting analyses of component portions of projects; assignments are designed to develop knowledge and abilities.
  • Performs site visits, field observations and field data collection or assignments.
  • Assists in the collection and analysis of data from sampling, reports, maps, drawings, tests and aerial photographs to evaluate, plan and permit projects.
  • Conducts water, soil and other sampling.
  • Implements technical requirements to complete client projects by directing field staff to sample, test and collect data and/or document site activities.
  • Outlines required investigative program(s) by selecting the proper alternative techniques to conduct site studies in field of expertise.
  • May have limited client contact pertaining to specific projects/tasks.
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.
  • Proficient Geologist/ Hydrogeologist responsible for conducting site testing and making recommendations for systems design on smaller projects of minimal complexity.
  • May assist more senior Geologists on large, more complex projects.
  • Performs site visits, field observations and field data collection or assignments.
  • Implements technical requirements to complete client projects by directing and supervising field staff to sample, test and collect data and/or document site activities.
  • Responsible for developing written proposals to clients for approval by senior level professionals.
  • Evaluates moderately complex laboratory and field data and assembles in written reports.
  • May serve as team member or participate in meetings and communications with client pertaining to specific projects/tasks.
  • May oversee work performed by lower level Geologists/Hydrogeologists.
  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.
  • Mid-level, experienced Geologist/ Hydrogeologist responsible for conducting site testing and making recommendations for systems design on medium sized projects with a variety of complexity.
  • Participates with more senior Geologists on large, more complex projects.
  • Performs site visits, field observations and field data collection or assignments.
  • Implements technical requirements to complete client projects by directing and supervising field staff to sample, test and collect data and/or document site activities.
  • Responsible for developing written proposals to clients for both small and large projects including quality control review of proposals written by others.
  • Evaluates complex laboratory and field data and assembles in written reports.
  • May serve as team member or lead in meetings and communications with client pertaining to specific projects/tasks.
  • May oversee work performed by lower level Geologists/Hydrogeologists.

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