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Senior Hydrogeologist​/Groundwater Modeling Team Leader

Job in Phoenix, Maricopa County, Arizona, 85003, USA
Listing for: True Environmental
Full Time position
Listed on 2025-11-25
Job specializations:
  • Engineering
    Environmental Engineer, Environmental Compliance, Geology / Geoscience
  • Science
    Environmental Compliance, Geology / Geoscience
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

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 offers expertise in water resources; production well design, installation and testing; water system engineering; various water, pollutant, and land permitting;
Environmental Site Assessments (ESAs); soil and groundwater characterization / remediation; petroleum leaking underground storage tank (LUST) site assessments; developing site assessment and remedial action plans; conceptual site model (CSM) development; design of drilling programs for installation of groundwater monitor wells and soil vapor extraction (SVE) wells; groundwater modeling; GIS and much more.

Matrix has an immediate need for an experienced Senior Hydrogeologist/Groundwater Modeling Team Leader to join our team in Phoenix, AZ. Our Arizona Water Services group focuses on hydrogeological and environmental consulting with offices in Phoenix, Prescott, and Tucson. The ideal candidate will have leadership experience in groundwater flow and contaminant transport modeling for water resources and environmental consulting projects. This candidate will have advanced technical and writing skills.

What

you’ll do
  • Manage day-to-day operations of the groundwater modeling team, ensuring on-time delivery of high-quality work and acting as the primary contact for project execution.
  • Lead and manage technical aspects of groundwater flow and solute transport modeling projects including design, construction, calibration, and application of numerical models as well as conducting sensitivity and uncertainty analyses.
  • Lead and manage other aspects of groundwater resources and environmental consulting projects including data acquisition, data analysis, project permitting, and report preparation.
  • Manage multiple groundwater resources and environmental consulting projects including cost estimating, proposal preparation, budget tracking, and invoicing.
  • Interface with clients as project manager and hydrogeologist for projects, including but not limited to:
  • Groundwater resources studies, including hydrology studies to support Arizona Department of Water Resources (ADWR) Assured and Adequate Water Supply determinations and Underground Storage Facility (USF) applications
  • Remedial investigations/feasibility studies, including water quality hydrology studies to support Arizona Department of Environmental Quality (ADEQ) Aquifer Protection Permit (APP) and Arizona Pollutant Discharge Elimination System (AZPDES) permit applications
  • Hydrogeologic characterization in support of developing managed aquifer recharge sites, complete with aquifer impact analyses including projected groundwater mounding and potential mobilization of contaminants in the vadose zone and aquifer
  • Serve as primary liaison with clients, stakeholders, and federal and state regulatory personnel including meetings to discuss technical findings and project permitting requirements
  • Mentor, supervise, and train hydro geologists and modelers
Minimum Requirements
  • Bachelor's degree in geology, hydrology, or environmental science, Master’s degree preferred
  • Registered Geologist in AZ; or ability to obtain registration within 12 months
  • 10 years in hydrogeology/water resources/groundwater modeling/well design and/or installation/engineering/environmental remediation sectors
  • 2 years of leadership experience
  • Proficiency in analytical and numerical groundwater modeling software
  • Proficiency in Geographic Information Systems
  • Project management experience in groundwater resources or environmental consulting projects
  • Efficient proposal writer and solid cost estimator with very proficient technical writing skills
  • Capable of working on multiple projects in a dynamic, fast-paced, team-oriented environment
  • Proficient in Microsoft Office Software Suite skills:
    Word, Excel, and Power Point
Preferred Requirements
  • Familiarity with inverse modeling using PEST and pilot point parameterization
  • Strong communication, information technology, and data management skills
  • Advanced proficiency in working with model datasets using text editors, spreadsheets, and computer programs
  • Experience interpreting geologic, hydrogeologic and analytical data to develop and use conceptual hydrogeologic and predictive computer models

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

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Position Requirements
10+ Years work experience
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