Senior Groundwater Modeler / Hydrogeologist

Spencer Ogden; Denver (CO); On-site; USD 120,000 - 180,000; Full time

Job summary

Spencer Ogden seeks an experienced Senior Groundwater Modeler / Hydrogeologist to lead technical execution on mining projects across the United States and internationally, covering mine pit and underground dewatering, water supply development, and water management.

The role involves field investigations, conceptual and numerical modeling (MODFLOW, GW Vistas), site characterization, and mentoring junior staff, with travel 5–15% and potential progression to team lead.

Qualifications

• Master's degree in Hydrogeology or related discipline (Geology, Hydrology, Hydrochemistry, Civil/Geotechnical/ Environmental Engineering).
• 15+ years of mining hydrogeology and mine water management experience.
• Professional Geologist (PG) or Professional Engineer (PE) preferred.

Responsibilities

• Lead multidisciplinary groundwater and mine water projects from proposal through execution.
• Develop and manage technical scopes of work and field investigations.
• Oversee drilling supervision, well construction, aquifer testing, and packer testing.
• Build and calibrate numerical groundwater, unsaturated flow, and water-balance models.
• Perform predictive modeling to support mining operations and water management planning.
• Prepare technical proposals, reports, and client presentations.
• Mentor and develop junior technical staff; collaborate with clients, regulators, contractors, and internal teams.
• Travel domestically and internationally as required (5–15%).

Skills

Groundwater modeling

MODFLOW/GW Vistas

AQTESOLV

GIS software

MS Access

FEFLOW

GoldSim

Leapfrog

VBA/Python scripting

Education

Master's degree in Hydrogeology or related

Tools

GIS software

Microsoft Access

Job description

We are seeking an experienced Senior Groundwater Modeler / Hydrogeologist to join a highly specialized team supporting major mining projects across the United States and internationally. This is an exciting opportunity to work on complex projects involving mine pit dewatering, underground mine dewatering, water supply development, and mine water management.

Our multidisciplinary team collaborates closely with geotechnical and civil engineering professionals on projects ranging from site development and embankment design to tailings and water management infrastructure. We offer a collaborative, employee-focused environment that emphasizes technical excellence, professional growth, and leadership development.

Position Overview

The Senior Groundwater Modeler/Hydrogeologist will lead technical project execution and project management activities, including field investigations, conceptual model development, numerical groundwater modeling, groundwater resource evaluations, and dewatering system design for mining operations.

This role offers a clear path toward technical and operational leadership, including the potential to progress into a Hydrogeology Team Lead position.

Key Responsibilities

• Lead and manage multidisciplinary groundwater and mine water projects from proposal through execution
• Develop and manage technical scopes of work and field investigations
• Oversee activities including:
• Drilling supervision
• Well construction
• Aquifer testing
• Packer testing
• Surface and downhole geophysics
• Groundwater and surface water sampling and monitoring
• Develop conceptual hydrogeologic site models
• Build and calibrate numerical groundwater, unsaturated flow, and water balance models
• Perform predictive modeling to support mining operations and water management planning
• Prepare technical proposals, reports, and client presentations
• Mentor and develop junior technical staff
• Collaborate with clients, regulators, contractors, and internal engineering teams
• Support projects through domestic and international travel as required

Education

• Master's degree in Hydrogeology or a related discipline, including:
• Geology
• Hydrology
• Hydrochemistry
• Civil Engineering
• Geotechnical Engineering
• Environmental Engineering

Experience

• 15+ years of experience in mining hydrogeology and mine water management

Technical Skills

Required experience with:

• MODFLOW / GW Vistas
• AQTESOLV
• GIS software
• Microsoft Access

Preferred experience with:

• FEFLOW
• GoldSim
• Leapfrog
• VBA, Python, or other scripting languages

Professional Credentials

• Professional Geologist (PG) or Professional Engineer (PE) registration preferred

Additional Qualifications

• Spanish language proficiency is a plus
• Willingness to travel domestically and internationally (approximately 5–15%)

If you're an experienced hydrogeologist looking to work on technically challenging mining projects while advancing into leadership, we'd love to hear from you.