Job Description

Apply today or email resume to rob@zarrellco.com

We are seeking several highly motivated and experienced Senior Hydrogeologists with 7 or more years of professional experience with groundwater. The ideal candidate will possess a deep technical foundation in hydrogeology and demonstrate advanced expertise in areas such as groundwater flow, contaminant transport, and field techniques.

Groundwater Flow and Contaminant Transport

• Lead advanced assessments and modeling of groundwater flow and contaminant transport processes.
• Conduct complex data analysis and develop robust simulations to predict and manage groundwater movement and quality.

Conceptual Site Model (CSM) Development

• Oversee the development and refinement of CSMs for project planning and decision-making.
• Synthesize geological, hydrological, and environmental data into accurate, comprehensive models.

Monitoring Well Design and Installation

• Design and manage the installation of monitoring wells in diverse geological settings.
• Ensure adherence to regulatory standards and best practices in well construction and data collection.

Field Execution and Data Analysis

• Supervise and execute aquifer and slug testing, including planning, implementation, and data interpretation.
• Direct hydrogeologic field investigations, ensuring data integrity and quality assurance.

Groundwater-Surface Water Interaction

• Analyze complex interactions between groundwater and surface water systems.
• Evaluate the implications of these interactions on water resources and environmental conditions.

Reporting and Communication

• Prepare high-level technical reports, summaries, and client presentations.
• Communicate findings and recommendations effectively to diverse stakeholders, including non-technical audiences.

Qualifications

• Master's or Ph.D. in Geology, Hydrogeology, Environmental Science, or a related field.
• 7+ years of professional experience in groundwater-related projects.
• Proven expertise with hydrogeologic modeling tools (e.g., MODFLOW).
• Advanced knowledge of groundwater flow principles, contaminant transport, and field testing methodologies.
• Extensive experience in monitoring well design, aquifer testing, and data interpretation.
• Familiarity with regulatory frameworks and standards related to groundwater and environmental assessments.
• Exceptional analytical, problem-solving, and communication skills.

Preferred Skills

• Tracer testing
• PHREEQC modeling
• Aquifer and slug testing
• Advanced parameter estimation techniques (PEST, PEST++, Iterative Ensemble Smoother)

Work Environment

This role offers a mix of office-based work and fieldwork. Fieldwork may include travel to project sites, working in varying environmental conditions, and occasional extended hours. The position allows for a flexible schedule with 50% remote work and 50% office/fieldwork.

Compensation and Benefits

• Salary: $120,000–$160,000 base salary depending on experience 
• Comprehensive health, dental, and vision plans.
• 401(k) with employer match
• Paid Time Off (Vacation and sick time)

Apply here to send resume to rob@zarrellco.com

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