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Geotechnical Lab Technician IV

Terracon
Terracon Salary
San Antonio, TX Full Time
POSTED ON 4/28/2026
AVAILABLE BEFORE 5/28/2026
Job Description

General Responsibilities:

Perform field and/or laboratory testing, observation, and inspection of construction materials (e.g. soils, aggregates, concrete, asphalt, and steel). Communicate with project manager, engineering technicians, client representative, contractor’s representative and others as applicable regarding the construction site, project requirements, and testing, observation, and inspection requirements and results. Transport material samples with associated identifying documentation to the laboratory for further testing and analysis. Tabulate, prepare, and submit data and observation in the form of written and digital reports as work is performed for daily transmittal to the Terracon Project Manager. Maintain and clean equipment, vehicles and work areas. May assist with scheduling and dispatch of Technicians to project sites. Adhere to strict safety standards.

Essential Roles And Responsibilities

  • Performs testing, observation, and inspection as directed in accordance with training and the specified procedures.
  • Provides clear documentation of findings and results.
  • Performs basic analysis of data to verify accuracy before communication and submittal to the Project Manager.
  • Communicates information to Project Manager and other personnel as directed by the PM.
  • Has experience and proficiency in multiple areas of field testing and inspection and or laboratory testing
  • Trains lower level technicians
  • May direct and supervise activities of other engineering technicians in the laboratory or on larger field projects.
  • May interact with client and other site personnel on behalf of the Project Manager when directed
  • May assist Project Manager in development of scope for testing and inspection services
  • Maintains equipment operation and calibration.
  • Performs advanced fieldwork and assists with project management.
  • Plan, schedule and dispatch Technicians to project sites based on technician skill set, certifications, location, project, and priority.
  • Coordinate pre-dispatch activities with Project, Department, and/or Office Managers.
  • Track projects including contractor site data and status into Construction Materials and Laboratory Management System (CMELMS).
  • Communicate with clients to provide up to date information in regard to the company’s ability to meet expected project timelines, client needs for projects and project status.
  • Drive a vehicle such as a Ford F-150 or equivalent.
  • Follow safety rules and practices and other safety requirements for all projects. Performs pre-task planning prior to executing work. Report any safety issues or concerns to management.
  • Be responsible for maintaining quality standards on all projects.

Requirements:

  • High school diploma or equivalent.
  • Minimum 5-10 years of relevant experience or the equivalent in training and related experience.
  • Experience with laptop computer use and Microsoft Word and Excel
  • Valid driver’s license with acceptable violation history.
  • Atterberg Limits / PI Testing
  • Gradation analysis
  • Sample splitting and preparation

Preferred Certification:

  • Certifications in one or more of the following areas:
    • NICET Level III certification in Construction Materials Testing in two or more of the following categories or NICET Level III in at least one of the following categories: Asphalt, Concrete, Soils.
    • NICET Level III certification in Geotechnical in two or more of the following categories: Laboratory, Generalist
    • Other national, regional, state, and local Materials related certifications requiring experience and written examination will also be considered if deemed appropriate by the Terracon Department Manager.
    • Procter testing
    • CBR testing
    • One-dimensional swell testing
    • Triaxial testing (UU, CU, and CD)
Required Certification:

Lab

  • ACI certification in one or more of the following areas:
    • Concrete Field Testing Technician Grade I
    • Concrete Strength Testing Technician
  • Successful completion of related internal safety certifications.
About Terracon

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’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.

EEO Statement

Terracon is an EEO employer. We encourage qualified minority, female, veteran and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment, or any employee because of race, color, religion, national origin, age, sex, sexual orientation, gender identity, gender, disability, age, or military status.

Salary.com Estimation for Geotechnical Lab Technician IV in San Antonio, TX
$58,281 to $78,554
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