Groundwater Modeler / Hydrogeologist

Groundwater Modeler / Hydrogeologist

Phoenix, AZ

Matrix New World - Matrix New World /

Full-time /

Hybrid

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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.
• Support Project Managers with cost estimation, proposal preparation, and task management.

Minimum Requirements

• Education: Bachelor''s degree in Geology, Hydrology, Environmental Science, or related field; Master's degree preferred
• Professional Experience: 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
• Modeling Software: 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.
• Support Software: Proficiency in Geographic Information Systems (ArcGIS Pro) and other post-processing methods such as Fortran, Python, Grapher, Surfer.
• Modeling Experience: Groundwater modeling experience and familiarity with the unique groundwater challenges and regulations in Arizona and the arid Southwestern United States
• Additional Requirements: 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

Preferred Requirements

• 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).

About Matrix

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.

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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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