Snr Engineer, Hydrology

Asarco; Kearny (AZ); On-site; USD 120,000 - 180,000; Full time

Job summary

ASARCO LLC is seeking a Senior Hydrogeologist to lead mining dewatering, groundwater management, and hydrogeological monitoring to support safe, efficient mining operations. This role provides technical leadership across planning, environmental, and operations teams.

Responsibilities include designing dewatering systems, developing groundwater models, budgeting for hydrogeological programs, and mentoring junior staff while coordinating with site engineers and geotechnical teams to integrate

Qualifications

• Bachelor’s degree required in hydrogeology, geology, hydrology or related field.
• Master’s degree preferred.
• Professional registration (PG/RG) preferred or ability to obtain.

Responsibilities

• Lead mine dewatering and groundwater management programs.
• Design, construct, and commission dewatering wells and monitoring infrastructure.
• Lead weekly dewatering and water management meetings with stakeholders.
• Develop and calibrate groundwater flow and water balance models.
• Prepare technical reports and regulatory documents.
• Manage consultants and contractors; oversee budgets for hydrogeological programs.
• Mentor junior staff and support permitting and regulatory activities.

Skills

Groundwater hydrology

Mine dewatering

Groundwater modeling

GIS platforms

Regulatory compliance

Project management

Education

Bachelor's in Hydrogeology/Geology/Hydrology

Master's in Hydrogeology/Geology/Related

Professional registration (PG/RG) preferred

Tools

Groundwater modeling software

Water balance modeling tools

GIS software

Database management systems

Job description

The Senior Hydrogeologist is responsible for leading the assessment, planning, design, implementation, and optimization of mine dewatering, groundwater management, and hydrogeological monitoring programs that support safe and efficient mining operations. This position provides technical leadership for site-wide hydrogeological activities and serves as a key advisor to mine planning, geotechnical engineering, operations, environmental, and processing teams.

ESSENTIAL FUNCTIONS

• Provide technical leadership and oversight for mine dewatering, groundwater management, and surface water management programs.
• Develop and execute strategic dewatering plans aligned with short-, medium-, and long-range mine plans.
• Lead the design, construction, and commissioning of dewatering wells, pumping systems, horizontal drains, piezometers, monitoring wells, and related infrastructure.
• Lead weekly dewatering and water management meetings with cross-functional site stakeholders.
• Develop, calibrate, and maintain groundwater flow models, water balance models, and predictive hydrogeological analyses to support operational and strategic decision-making.
• Prepare technical reports, memoranda, presentations, and regulatory documentation that communicate findings, recommendations, and project status.
• Manage hydrogeological consultants, drilling contractors, and service providers, including scope development, contractor oversight, and performance evaluation.
• Prepare annual operating and capital budgets for hydrogeological programs, including drilling, monitoring systems, dewatering infrastructure, groundwater modeling, and consulting services.
• Mentor and provide technical guidance to junior hydrogeologists, technicians, interns, and other site personnel.
• Support permitting, regulatory compliance, and environmental reporting activities related to groundwater and surface water management.

Requirements

KNOWLEDGE, SKILLS, AND ABILITIES

• Advanced knowledge of groundwater hydrology, hydrogeology, mine dewatering, aquifer testing, and groundwater monitoring systems.
• Strong understanding of the interaction between groundwater conditions, pit slope stability, and mine planning.
• Demonstrated experience designing and managing dewatering systems in a mining environment.
• Advanced proficiency with groundwater modeling software, water balance modeling tools, GIS platforms, and database management systems.
• Strong understanding of well design, pumping systems, hydraulic testing, and groundwater monitoring instrumentation.
• Knowledge of relevant environmental regulations, water rights, permitting requirements, and industry best practices.

EDUCATION AND EXPERIENCE

• Bachelor's degree in Hydrogeology, Geology, Hydrology, Geological Engineering, or related discipline required.
• Master's degree in Hydrogeology, Hydrology, or related field preferred.
• Professional Geologist (PG), Registered Geologist (RG), or equivalent professional registration preferred or ability to obtain.
• Minimum of 8-12 years of progressively responsible hydrogeological experience, preferably in the mining industry.
• Demonstrated experience leading mine dewatering programs, groundwater investigations, and hydrogeological studies.
• Experience with groundwater flow modeling and water balance development in a mining environment.
• Experience managing consultants, contractors, and multidisciplinary technical projects.
• Valid driver's license required.

ASARCO LLC is an equal opportunity employer. Candidates must possess a current and validdriver’s license. Offers of employment are contingent upon a successful criminal
background check and pre-employment physical including a drug screen (hair analysis).

EQUAL EMPLOYMENT OPPORTUNITY

ASARCO LLC provides equal opportunity for all individuals without regard to race, color, creed, religion, age, national origin, sex, pregnancy, sexual orientation, gender identity or expression, genetic information, disability, military status, veteran status, familial status, or any other characteristic(s) protected by local, state, or federal law(s).

EEO is the Law