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Geotechnical Assistant Jobs (NOW HIRING)

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 ...

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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 Jul 12, 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.

What is a geotechnical drilling assistant?

A geotechnical drilling assistant supports geotechnical engineers by preparing and operating drilling equipment to collect soil and rock samples for analysis. The role often involves setting up drilling sites, handling tools, and ensuring safety protocols are followed in the field environment. Basic knowledge of geology, safety procedures, and equipment operation is typically required.

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.

What engineers make $300,000 a year?

Senior engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $300,000 or more annually, especially with extensive experience, advanced skills, and leadership roles. High-level engineering managers and executives in large companies may also reach this compensation level, often supplemented by bonuses and stock options.

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 engineer makes $500,000 a year?

Highly experienced engineers in specialized fields such as petroleum engineering, aerospace engineering, or certain senior roles in software engineering can earn $500,000 or more annually, often through a combination of salary, bonuses, and stock options. These positions typically require advanced skills, extensive experience, and often involve leadership or executive responsibilities.
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 July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person 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 • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 hours ago

Terracon rating

7.4

Company rating: 7.4 out of 10

Based on 116 frontline employees who took The Breakroom Quiz

40th of 58 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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