Demo

Assistant Geologist

Terracon
Terracon Salary
Colton, CA Full Time
POSTED ON 4/4/2026
AVAILABLE BEFORE 5/2/2026
Job Description

General Responsibilities:

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.

Essential Roles And Responsibilities

  • Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
  • Understand and practice quality acumen.
  • Support consistent quality standards on proposal and project delivery.
  • 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.

Requirements:

  • Bachelor’s degree in Geology, Hydrogeology or related field.
  • Valid driver’s license with acceptable violation history.

Preferred Certification:

  • Certification in field of expertise preferred.

The expected salary range for this position is listed below. The base range may be adjusted based on the specific location of the applicant. Final agreed upon compensation is based upon individual qualifications and experience.

$24.50 - $34.50 per hour

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 : $25 - $35

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