Junior Hydrogeologist – Groundwater & Field Investigations

Tetra Tech; Superior (CO); Hybrid; USD 60,000 - 70,000; Full time

Benefits offered by this job

Comprehensive benefits

Merit‑based rewards

Flexible working arrangements

Learning & development opportunities

Job summary

Tetra Tech seeks an entry‑level Geologist/Hydrogeologist for the Superior or Longmont, CO offices to begin a career in environmental hydrogeology. You will support groundwater investigations, site characterization, drilling and monitoring wells, groundwater sampling, and data interpretation.

The role emphasizes strong analytical skills, database proficiency, and the ability to collaborate with engineers and scientists. Hybrid work is possible, with a focus on field and office collaboration.

Qualifications

• BS degree in Geology, Geological Sciences, Hydrogeology, or a closely related geoscience discipline with substantial geology coursework is required.
• Academic or professional training in groundwater hydrogeology is required, including coursework or experience in groundwater flow, aquifer properties, well hydraulics, groundwater chemistry or related topics.
• Zero to two years of relevant experience in environmental hydrogeology, groundwater investigation, site characterization, drilling/logging, groundwater monitoring, or groundwater modeling.
• Strong written and oral technical communication skills are required.

Responsibilities

• Conduct and support soil, groundwater, soil‑vapor, and other environmental field investigations and sampling programs.
• Assist with development of sampling plans and health and safety plans and provide field investigation and subcontractor oversight.
• Support drilling, monitoring‑well installation and development, aquifer testing, groundwater sampling, and other hydrogeologic field activities.
• Log soil and rock encountered during drilling and interpret lithologic logs, drilling observations, and other subsurface geologic and hydrogeologic information.
• Evaluate environmental and hydrogeologic data and perform statistical and other technical analyses.
• Support groundwater monitoring, hydrogeologic evaluations, groundwater modeling, water‑supply feasibility studies, and site characterization.
• Support remedial alternatives evaluations, remediation design, and implementation oversight.
• Prepare technical reports, memoranda, figures, conceptual site models, data visualizations, and other technical deliverables.
• Assist with proposals, subcontractor bids, cost estimates, and project budgets.
• Work with multidisciplinary teams of engineers, geologists, scientists, data managers, and other technical specialists.
• Other duties as assigned.

Skills

Oral & written communication

Geology knowledge

Groundwater hydrogeology

Databases

ArcGIS

Groundwater modeling

Education

BS in Geology / Hydrogeology

Tools

ArcGIS Pro

Job description

Tetra Tech seeks an entry‑level Geologist/Hydrogeologist for the Superior or Longmont, CO offices to begin a career in environmental hydrogeology. You will support groundwater investigations, site characterization, drilling and monitoring wells, groundwater sampling, and data interpretation.

The role emphasizes strong analytical skills, database proficiency, and the ability to collaborate with engineers and scientists. Hybrid work is possible, with a focus on field and office collaboration.