Senior Hydrogeologist/Groundwater Modeling Team Leader

Matrix New World Engineering, a part of True Environmental and its partner firms, 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. 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. Matrix is an equal opportunity employer.

Responsibilities

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 groundwater resources and hydrology studies supporting ADWR permitting programs, remedial investigations/feasibility studies supporting ADEQ permitting programs, and hydrogeologic characterization for managed aquifer recharge (MAR) and aquifer storage and recovery (ASR) wells; Serve as primary modeling liaison with clients, stakeholders, and federal and state regulatory personnel; Mentor, supervise, and train junior groundwater modelers

Requirements

Bachelor's degree in Geology, Hydrogeology, or Environmental Science; 10 years in groundwater modeling/hydrogeology/water resources and/or the engineering/environmental remediation sectors; Proficiency in numerical groundwater flow and transport 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; 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; 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

Nice to have

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; Master's degree preferred

Benefits

Full company benefits