Groundwater Modeler
Posted 2 Oct 2026
Advertised as “Groundwater Modeler / Hydrogeologist”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 3+ yrs
- Management level
- Individual contributor
- Employment
- Hybrid
- Contract
- Full-time
No salary listed for this role.
Field of studyEnvironmental Science, Geology, Hydrology (or related)
Study levelBachelor's
Study levelMaster's
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 www.MWNE.com and True-Environmental.com to discover the full scope of our capabilities.
Matrix New World Engineering, a part of True Environmental, is seeking a Groundwater Modeler / Hydrogeologist to join our team in Phoenix, AZ. The position will be a full-time position, with flexibility to work in our Phoenix office or remotely and will provide full company benefits that will be provided during interviews. Matrix is an equal opportunity employer.
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 including aquifer impact analysis.
- Assist with Hydrogeologic characterization in support of developing managed aquifer recharge (MAR) sites and aquifer storage and recovery (ASR) wells, including projected groundwater mounding
- Assist with data collection, aquifer testing analysis, and data interpretation.
- Draft technical reports, memos, figures, and technical appendices for project deliverables.