Senior Groundwater Modeler & Project Leader

True Environmental; Phoenix (AZ); On-site; USD 120,000 - 180,000; Full time

Job summary

Matrix New World Engineering, a part of True Environmental, seeks a Senior Groundwater Modeler to lead our groundwater flow and transport modeling efforts in Arizona. You will manage technical work, mentor junior staff, and interface with clients and regulators.

The role requires 10+ years in groundwater modeling, expertise in MODFLOW/MT3D/FEFLOW, and strong writing skills for permitting and proposals. Arizona-focused experience is essential, with a leadership mindset and collaborative team

Qualifications

• Bachelor’s degree in Geology, Hydrogeology, or Environmental Science with a Master’s preferred.
• 10+ years of groundwater modeling/hydrogeology/water resources experience.
• Proficiency in MODFLOW, MT3D, FEFLOW and Groundwater Vistas.
• Experience with ArcGIS Pro and Python scripting.
• Leadership experience and strong technical writing skills.

Responsibilities

• Lead and manage technical aspects of groundwater flow and solute transport modeling projects from CSM to calibration and application.
• Lead data acquisition, analysis, permitting support, and report preparation for projects.
• Assist with budgeting, proposals, and invoicing for groundwater resources projects.
• Oversee day-to-day operations of the groundwater modeling team and serve as primary internal contact.
• Interface with clients as Project Manager and Senior Hydrogeologist to discuss findings and permitting needs.
• Mentor and train junior groundwater modelers and hydrogeologists.

Skills

Groundwater modeling

Hydrogeology

Project management

Technical writing

Python scripting

ArcGIS Pro

Leadership

Team leadership

Education

Bachelor’s degree in Geology/Hydrogeology/Environmental Science

Master’s degree preferred

Tools

MODFLOW

MT3D

FEFLOW

Groundwater Vistas

ArcGIS Pro

Python

Job description

Matrix New World Engineering, a part of True Environmental, seeks a Senior Groundwater Modeler to lead our groundwater flow and transport modeling efforts in Arizona. You will manage technical work, mentor junior staff, and interface with clients and regulators.

The role requires 10+ years in groundwater modeling, expertise in MODFLOW/MT3D/FEFLOW, and strong writing skills for permitting and proposals. Arizona-focused experience is essential, with a leadership mindset and collaborative team