Geologist​/Hydrogeologist

Tetra Tech is currently seeking a Geologist within our Superior or Longmont, CO offices. The Geologist will assist with implementing environmental projects, that could include groundwater modeling and field activities.

Any candidates interested in this opportunity should apply by July 5, 2026 deadline.

• Assist with writing proposals, obtain bids from vendors and subcontractors, draft cost estimates and project budgets.
• Conduct field sampling programs and field procedures.
• Perform soil, groundwater, soil vapor, and other environmental investigations, support groundwater monitoring, hydrogeologic evaluations, and groundwater modeling efforts.
• Evaluating site characterization data; assisting with water feasibility studies, remedial alternatives evaluations, remediation design, and implementation.
• Interface with subcontractors and internal technical resources.
• Develop sampling plans, health and safety plans, supervise and oversee field investigations.
• Prepare technical reports, memos, response to comments tables.
• Prepare and review figures, conceptual site models, data visualizations, and technical design schematics for remediation and environmental investigation projects.
• Review and evaluate environmental, hydrogeologic and geotechnical data. Perform statistical analyses.
• Support feasibility studies, remedial alternatives evaluations, remediation design, and implementation oversight.
• Work with a multi-disciplinary team of engineers, geologists, scientists, risk assessors, data managers, and other technical specialists.
• Other duties as assigned.

• Bachelor of Science (BS) degree in Geology or Hydrogeology required.
• One to 4 years of professional environmental consulting experience is required.
• Previous field experience required, including supervision of soil and groundwater investigations, sampling activities, and subcontractor oversight is required.
• Must be a skilled technical writer.
• OSHA 40-hour HAZWOPER Training required or can be acquired first month of employment.
• Ability to travel and perform field work/oversight (up to approx. 20% of travel required).
• A Pre-employment drug screening in compliance with state regulations is required.
• Must possess a valid driver's license with a clean driving record without restrictions.

• Master of Science (MS) degree preferred.
• Experience with both sedimentary and hard rock drilling and well installation desired.
• Previous experience developing and calibrating groundwater models is desired.
• MSHA training preferred.
• Experience with ArcGIS Pro or Auto CAD use desired.
• Experience with SQL or Access database use desired.
• Familiarity with geochemistry and statistical evaluations of water chemistry and trend analysis is desired.

• Ability to lift, carry, push, and pull equipment weighing 25
  -50lbs in variable weather and terrain.
• Ability to travel and perform field work/oversight as required (approx. 20% required).
• Ability to walk across variable terrain, including uneven ground, in all weather conditions (extreme hot/cold temperatures, loud noises, bugs, etc.).
• Have full range of motion to support field activities (ability to stand, bend, kneel, and reach during field activities).

Full-time, Monday through Friday work schedule (40 hours). Occasionally extended hours may be required based on project and/or client needs.

Work will be performed in a field and office setting.

$60,000 to $70,000.

• Comprehensive and market-competitive benefits.
• Tetra Tech offers the following optional benefits:
  Medical, Dental, Vision, Prescription, Accidental Death & Dismemberment, Long & Short-Term Disability, Health & Dependent Care Flexible Spending.
  
  Financial Benefits:
  
  Group Term Life, Optional Group Term Life Insurance, Business Travel Accident Insurance, Health Savings Account, 401K, Employee Stock Purchase Plan, Time Off with Pay, Employee Assistance Program, Adoption Assistance, Leaves of Absence.
• Merit-based financial rewards.
• Flexibility and company-wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.