Remote Groundwater Modeler & Hydrogeology Specialist

True Environmental; Phoenix (AZ); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Matrix New World Engineering, a part of True Environmental, seeks a Groundwater Modeler / Hydrogeologist to join our Phoenix team. The role offers full-time employment with hybrid/remote options and comprehensive benefits.

You will lead groundwater flow and contaminant transport modeling, participate in CSM development, and support regulatory permitting and AWS contributions in the Arizona region. Expertise with MODFLOW/MODPATH and ArcGIS Pro is required.

Qualifications

• Bachelor's degree in Geology, Hydrology, Environmental Science, or related field; Master’s degree preferred
• 3 years of experience with a Master’s degree or 6 years with a Bachelor’s in groundwater modeling, hydrogeology, water resources, or environmental consulting
• Hands-on proficiency with numerical groundwater flow and transport modeling software (MODFLOW, MODPATH, MT3D) and pre-processing tools (Groundwater Vistas)
• Proficiency in GIS (ArcGIS Pro) and post-processing tools (Fortran, Python, Grapher, Surfer)
• Groundwater modeling experience and familiarity with Arizona arid Southwest regulations
• Strong technical writing and communication skills; experience preparing reports/deliverables
• Ability to prioritize tasks and work on multiple projects independently and in teams
• Strong attention to detail and dataset/model file management

Responsibilities

• Build, calibrate, and apply groundwater flow and solute transport models under senior staff guidance
• Perform sensitivity, uncertainty, and predictive analyses for water resource projects
• Compile and manage spatial and subsurface datasets for Conceptual Site Model development
• Help with regulatory permitting programs (ADEQ APP/AZPDES) and AWS applications
• Support with aquifer assessments, MAR/ASR site development, and groundwater mound projections
• Collect data, analyze aquifer tests, and interpret results
• Draft technical reports, memos, figures, and appendices for deliverables
• Assist project managers with cost estimation, proposals, and task management

Skills

Strong writing

Communication

Prioritization

Independence & teamwork

Attention to detail

Education

Bachelor's in Geology/Hydrology/Environmental Science

Master's degree preferred

Tools

MODFLOW

MODPATH

MT3D

Groundwater Vistas

ArcGIS Pro

Fortran

Python

Grapher

Surfer

Job description

Matrix New World Engineering, a part of True Environmental, seeks a Groundwater Modeler / Hydrogeologist to join our Phoenix team. The role offers full-time employment with hybrid/remote options and comprehensive benefits.

You will lead groundwater flow and contaminant transport modeling, participate in CSM development, and support regulatory permitting and AWS contributions in the Arizona region. Expertise with MODFLOW/MODPATH and ArcGIS Pro is required.