Groundwater Modeler / Hydrogeologist
About The Position
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.
Requirements
- 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 of experience with a Bachelor’s degree in groundwater modeling, hydrogeology, water resources, or environmental consulting
- Hands-on proficiency with numerical groundwater flow and transport modeling software, including MODFLOW, MODPATH, and MT3D.
- Familiarity with pre-processing applications such as Groundwater Vistas.
- Proficiency in Geographic Information Systems (ArcGIS Pro) and other post-processing methods such as Fortran, Python, Grapher, Surfer.
- Groundwater modeling experience and familiarity with the unique groundwater challenges and regulations in Arizona and the arid Southwestern United States
- Strong technical writing and communication skills, with experience preparing technical reports and deliverables.
- Ability to prioritize tasks and work efficiently on multiple projects both independently and as part of a dynamic project team.
- Strong attention to detail and organizational skills for managing model files and datasets
Nice To Haves
- Familiarity with parameter estimation tools such as Parameter Elimination (PEST)
- Advanced data processing skills using Python, R, FORTRAN or script-based programs and dataset management tools
- Experience interpreting complex geologic and hydrogeologic data to develop Conceptual Site Models (CSMs)
- Prior experience supporting field characterization programs (e.g., well installation, logging, or pumping tests).
Responsibilities
- 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.
- Support Project Managers with cost estimation, proposal preparation, and task management.
Benefits
- full company benefits
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
