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 an experienced Senior Hydrogeologist/Groundwater Modeling Team Leader 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 have senior-level experience in groundwater flow and contaminant transport modeling for water resources and environmental consulting projects and function as the lead groundwater modeler in the modeling team. This candidate will have advanced technical, communication, and writing skills.

Lead and manage technical aspects of groundwater flow and solute transport modeling projects including Conceptual Site Model (CSM) development, model 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, permitting support, and report preparation.
Assist with and/or manage multiple groundwater resources and environmental consulting projects including cost estimating, proposal preparation, budget tracking, and invoicing.
Assist with and/or manage day-to-day operations of the groundwater modeling team, ensuring on-time delivery of high-quality work and acting as the primary internal contact for project execution.
Interface with clients as the Project Manager and Senior Hydrogeologist for projects, including but not limited to:

Groundwater resources studies and hydrology studies to support Arizona Department of Water Resources (ADWR) permitting programs, such as the Assured and Adequate Water Supply (AWS) determinations, Well Spacing – Well Impact studies and Underground Storage Facility (USF) applications
Remedial investigations/feasibility studies, including water quality studies to support Arizona Department of Environmental Quality (ADEQ) permitting programs, such as the Aquifer Protection Permit (APP) and Arizona Pollutant Discharge Elimination System (AZPDES) permit applications
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
Serve as primary modeling liaison with clients, stakeholders, and federal and state regulatory personnel including meetings to discuss technical findings and project permitting requirements
Mentor, supervise, and train junior groundwater modelers

Education: Bachelor's degree in Geology, Hydrogeology, or Environmental Science; Master’s degree preferred
Professional Experience: 10 years in groundwater modeling/hydrogeology/water resources and/or the engineering/environmental remediation sectors
Modeling Software: Proficiency in numerical groundwater flow and transport software, including MODFLOW, MODPATH, and MT3D. Familiarity with pre-processing applications such as Groundwater Vistas.
Support Software: Proficiency in Geographic Information Systems (ArcGIS Pro) and other post-processing methods such as Fortran, Python, Grapher, Surfer
Modeling Experience: Extensive groundwater modeling experience and familiarity with the unique groundwater challenges and regulations in Arizona and the arid Southwestern United States
Experience with developing and applying groundwater flow and transport models in support of environmental compliance, hydrogeologic evaluation and decision making and litigation support
Additional Requirements: At least 2 years of senior leadership experience
Project management experience in groundwater resources or environmental consulting projects
Efficient proposal writer and cost estimator with very proficient technical writing skills
Capable of working on multiple projects in a dynamic, fast-paced, team-oriented environment
Strong communication, information technology, and data management skills

Familiarity with parameter estimation tools such as Parameter Elimination (PEST)
Experience interpreting geologic, hydrogeologic and analytical data to develop and use conceptual hydrogeologic and predictive computer models
Familiarity and experience with APP, AZPDES and USF modeling requirements
Experience supporting mining permitting and compliance
Advanced proficiency in working with large model datasets using script development, text editors, and relevant software

Matrix, 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’s local Arizona offices have extensive expertise in groundwater flow and transport modeling; 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; CSM development; design of drilling programs for installation of groundwater monitor wells and soil vapor extraction (SVE) wells; GIS and much more.

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.

Senior Hydrogeologist/Groundwater Modeling Team Leader

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