Senior Groundwater Modeler — Remote/MT, ESOP

WATER & ENVIRONMENTAL TECHNOLOGIES INC; Helena (MT); Remote; USD 120,000 - 180,000; Full time

Job summary

Water & Environmental Technologies Inc. is seeking a Senior Groundwater Modeler to support groundwater, mining, remediation, and water-resource projects across the Rocky Mountain region and western United States.

The role focuses on developing conceptual and numerical groundwater models to evaluate flow, transport, and potential mining impacts. The candidate will collaborate with an interdisciplinary team, integrate field data and GIS, and advance modeling workflows from data collection through

Qualifications

• , Bachelor of Science (BS) degree in geology, hydrogeology, geological engineering, environmental engineering, civil engineering, or related field.
• , Master of Science (MS) or Doctor of Philosophy (PhD) in hydrogeology, geology, or geological engineering.
• , A minimum of ten (10) years of professional groundwater modeling experience, including collaboration with in-house professionals, contractors, third-party consultants, and field personnel.
• , Certified Hydrogeologist (CHG), Professional Geologist (PG), or Professional Engineer (PE) registered in the applicable state they may be working in

Responsibilities

• Expand Groundwater Modeling Team Capabilities: collaborate to expand and refine modeling capabilities and perform quality control on models.
• Business Development: assist leadership with proposals and client-facing discussions for modeling work.
• Numerical Modeling & Simulation: construct and calibrate 3D groundwater flow and transport models using MODFLOW, PEST, and interface tools.
• Conceptual Site Development: synthesize hydrogeologic data to build robust site models and define boundary conditions.
• Data Analysis & Workflow Automation: process field data and automate modeling workflows with Python, MATLAB, or R.
• Technical Reporting & Communication: prepare model documentation and present findings to clients and regulators.
• Project Execution & Field Support: help design investigations and support project scopes, budgets, and schedules.
• QA & Compliance: maintain organized files and ensure QA/QC throughout projects.

Skills

Communication

Groundwater modeling

MODFLOW

GIS

Python/MATLAB/R

Team collaboration

Education

B.S. in geology/hydrogeology/related field

M.S./Ph.D. in hydrogeology/geology/geological engineering

Tools

MODFLOW 6

FloPy

GMS/Groundwater Vistas

PESTPP-IES

ArcGIS

Job description

Water & Environmental Technologies Inc. is seeking a Senior Groundwater Modeler to support groundwater, mining, remediation, and water-resource projects across the Rocky Mountain region and western United States.

The role focuses on developing conceptual and numerical groundwater models to evaluate flow, transport, and potential mining impacts. The candidate will collaborate with an interdisciplinary team, integrate field data and GIS, and advance modeling workflows from data collection through