Principal Hydrogeologist / Groundwater Modeler

Geosyntec Consultants, Inc.; Walnut Creek (CA); On-site; USD 156,115 - 218,560; Full time

Benefits offered by this job

Paid time off

Health insurance

Dental insurance

401(k)

Job summary

Geosyntec Consultants seeks a Principal Quantitative Hydrogeologist / Groundwater Modeler to join our Oakland or Walnut Creek offices. The role focuses on contaminated site assessment, remediation, groundwater management, and litigation support, leveraging advanced modeling and field data.

You will lead complex projects, mentor staff, manage client relationships, and drive business development while delivering technically rigorous reports and sustainable solutions for clients across the public

Qualifications

• At least 10 years of related hydrogeology experience.
• Experience developing and analyzing aquifer performance tests.
• Demonstrated interest in contaminant remediation and quantitative hydrogeology.
• Experience with visualization tools and groundwater flow modeling is preferred.

Responsibilities

• Manage technical projects and drive business development and client management.
• Plan and implement investigations and remediation projects, budgets, schedules, and quality.
• Serve as the technical specialist on groundwater projects.
• Design and oversee field investigations and conceptual hydrogeologic models.
• Oversee aquifer testing and data analyses and prepare reports and proposals.
• Lead client meetings and proposals; develop a client portfolio.
• Mentor and supervise junior staff; support career development.
• Occasionally perform fieldwork and travel to project sites.
• Drive project-related travel to client sites and office locations as needed.

Skills

Project management

Client relationship management

Team leadership

Mentoring

Communication

Travel readiness

Cross-disciplinary collaboration

Education

Bachelor's degree in geology/hydrogeology/environmental sciences

Advanced degree preferred

Professional licensure (P.G./P.E.) preferred

Tools

ArcGIS

Leapfrog

MODFLOW

MT3D

Geochemical modeling

Job description

Principal Hydrogeologist / Groundwater Modeler

Primary Location: US-CA-Oakland

Additional Location: US-CA-Walnut Creek

Overview

Geosyntec has an exciting opportunity for a Principal Quantitative Hydrogeologist / Groundwater Modeler in our Oakland or Walnut Creek, California offices. This position is well-suited for a talented, highly experienced individual who is interested in contributing to innovative and challenging projects involving contaminated site assessment and remediation, groundwater management and water supply, litigation support, and contaminant fate and transport.

Essential Duties and Responsibilities

• Manage challenging technical projects while leveraging your existing knowledge and experience to help Geosyntec expand its current practices and capabilities through business development and client management.
• Task and project management, including planning and implementing investigation and remediation projects, budgeting and budget management, adherence to schedule, quality, client satisfaction, and profitability.
• Serve as the technical specialist on impacted groundwater projects.
• Design and oversight of field investigations and development of conceptual hydrogeologic models.
• Design strategy and oversee aquifer testing and hydrogeologic data analyses.
• Design strategy and oversee data analysis/visualization of site investigation data including the preparation of tables, maps, and figures using both industry-standard and cutting-edge applications.
• Design strategy and oversee preparation of, review of, and certify technical reports, letters, memoranda, plans, specifications, and proposals.
• Lead meetings with clients, regulatory personnel, and other parties.
• Lead proposal efforts and other business development activities.
• Develop a client portfolio by acquiring new clients and effectively managing relationships to encourage repeat business.
• Foster trust-based relationships with clients, regulatory personnel, and other project stakeholders.
• Mentor, guide, and motivate early career staff in project performance, cost, schedule management, client expectations and career development; work with employees to correct deficiencies.
• At times, the job may also include fieldwork including client and regulator site tours and health and safety auditing.
• Drive personal, company, and rental vehicles to client or company project or office sites, and other business locations, as needed.

Education and Licensure

• Bachelor's degree in geology, hydrogeology, environmental sciences, civil engineering, environmental engineering, or similar. (required)
• Advanced degree of the same. (preferred)
• Professional registration (i.e., P.G., P.E.). (preferred)

Skills, Experience and Qualifications

• At least 10 years of related experience; or equivalent combination of education and experience. (required)
• Experience with developing and analyzing aquifer performance tests. (required)
• Demonstrated interest in contaminant remediation and quantitative hydrogeology. (required)
• Experience with visualization tools (e.g., ArcGIS, Leapfrog) and/or groundwater flow and geochemical modeling (Modflow, MT3D, geochemical equilibrium models). (preferred)
• Experience with multi-disciplinary project teams. (required)
• Demonstrated success in the development and management of clients. (required)
• Ability to succeed in a fast-paced consulting environment, handling multiple project assignments, meeting strict deadlines, and traveling to client facilities as needed. (required)
• Serve as a Testifying Expert on litigation matters involving hydrogeologic fate and transport. (preferred)
• Current OSHA 40‑hr HAZWOPER training and refreshers. (preferred)
• Health & Safety training, medical monitoring, and client‑driven drug and background testing may be required.
• Valid U.S. driver's license and a satisfactory driving record for business travel. (required)

Compensation and Benefits

Minimum Salary: $156,115/year / Maximum Salary: $218,560/year (Oakland, Walnut Creek)

We offer a comprehensive benefits package including paid holidays, vacation, sick, and personal paid time off, medical, dental, vision, life, and disability insurance, 401(k), and other benefits to eligible employees.