Senior Hydrogeologist

Job Description

Job Description

About Hazen and Sawyer

Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), Hazen and Sawyer is an employee-owned firm dedicated exclusively to water. With over 2,000 employees across 70+ offices in the United States, Latin America, Canada, and the UK, we specialize in the planning, design, and construction oversight of environmental infrastructure for water, wastewater, and stormwater management. Our culture emphasizes creativity, collaboration, and professional growth, supported by a flexible hybrid work schedule.

Position Overview

We are seeking a Senior Hydrogeologist to join our Florida team. This leadership role is ideal for an experienced geologist, hydrogeologist, or groundwater-focused engineer with a strong background in water infrastructure projects. You will lead complex hydrogeologic investigations, manage multidisciplinary teams, and contribute to strategic planning and execution of projects related to underground injection control (UIC), wellfield development, groundwater resource management, aquifer protection, and integration with broader water / wastewater infrastructure.

Key Responsibilities

• Lead hydrogeologic investigations, including data collection, analysis, interpretation, and presentation.
• Manage planning, design, permitting, testing and construction of groundwater-related infrastructure, including UIC wells, monitoring wells, and wellfields.
• Oversee development of technical reports and evaluations using GIS and groundwater modeling.
• Provide technical leadership in well construction, testing, modification, and rehabilitation.
• Coordinate with internal technical specialists and discipline design professionals across water and wastewater sectors.
• Collaborate with clients, regulatory agencies, and interdisciplinary teams to deliver high-quality project outcomes.
• Mentor junior staff and foster technical development within the hydrogeology group.
• Support proposal development, client presentations, and strategic business development.
• Conduct fieldwork and site visits throughout Florida, from planning through construction.

Required Qualifications

Preferred Qualifications

What We Offer