Groundwater Modeler/Hydrogeologist
Listed on 2026-09-27
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Engineering
Geology / Geoscience, Environmental Compliance & Protection, Environmental Engineer -
Science
Geology / Geoscience, Environmental Compliance & Protection
Matrix New World Engineering, a part of True Environmental and its partner firms, have united their strengths to establish the nation's premier environmental and engineering services consulting firm. This powerhouse organization offers an extensive range of services aimed at revolutionizing the built environment and preserving the natural one. Its diverse expertise encompasses environmental remediation, urban planning, engineering iconic coastal and marine structures, developing sustainable energy sources, and pioneering resource extraction methods.
Explore further at and to discover the full scope of our capabilities.
Matrix New World Engineering, a part of True Environmental and its partner firms, is seeking a Groundwater Modeler / Hydrogeologist to join our team in Phoenix, AZ.
Our Arizona Water Services group focuses on hydrogeological and environmental consulting with offices in Phoenix and Prescott, and remote staff located in North and South America. The ideal candidate will participate in groundwater flow and contaminant transport modeling and support hydrogeologic investigations for water resources and environmental consulting projects.
What You’ll Do- Build, calibrate, and apply numerical groundwater flow and solute transport models under the direction of senior technical staff.
- Perform sensitivity, uncertainty, and predictive analyses for water resource and remediation modeling projects.
- Compile, evaluate, and manage spatial and subsurface datasets (including geologic, hydrogeologic, and water quality data) to support Conceptual Site Model (CSM) development.
- Assist with technical aspects of projects supporting regulatory frameworks, such as the Arizona Department of Environmental Quality (ADEQ) permitting programs such as Aquifer Protection Permit (APP) and Arizona Pollutant Discharge Elimination System (AZPDES) permit applications
- Assist with ADWR Assured and Adequate Water Supply (AWS) applications, complete with aquifer impact analyses including projected groundwater mounding and potential mobilization of contaminants in the vadose zone and aquifer.
- Assist with Hydrogeologic characterization in support of developing managed aquifer recharge (MAR) sites and aquifer storage and recovery (ASR) wells, complete with aquifer impact analyses including projected groundwater mounding and potential mobilization of contaminants in the vadose zone and aquifer
- Assist with data collection, aquifer testing analysis, and data interpretation.
- Draft technical reports, memos, figures, and technical appendices for project deliverables.
- Support Project Managers with cost estimation, proposal preparation, and task management.
- Coordinate with project teams, sub-consultants, and laboratory personnel to ensure dynamic, on-time project execution.
- Education: Bachelor's degree in Geology, Hydrology, Environmental Science, or related field;
Master’s degree preferred - Professional
Experience:
3 years of experience with a Master’s degree or 6 years of experience with a Bachelors degree in groundwater modeling, hydrogeology, water resources, or environmental consulting - Licensure: Registered Geologist (RG) in Arizona or other state preferred; ability to obtain AZ registration within 24 months if not already licensed
- Modeling Software: Hands-on proficiency with numerical groundwater flow and transport modeling software using the Modular Finite-Difference Flow Model (MODFLOW), Model Transport in 3 Dimensional (MT3D) and Finite Element Subsurface Flow System (FEFLOW) suites of software, Groundwater Vistas processing applications and Groundwater Modeling Systems (GMS) or Model Muse graphical user interfaces (GUIs)
- Support Software: Proficiency in Geographic Information Systems (ArcGIS Pro) and PYTHON…
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