Senior Hydrogeologist

At HDR, our employee‑owners are fully engaged in creating a welcoming environment where each of us is valued and respected. We empower everyone to bring their authentic selves and novel ideas to work every day. Our culture of inclusion drives us to continually ask how we can impact the world. In the Waste sector, you will help shape solid waste infrastructure and environmental stewardship, collaborating closely with clients and communities to design sustainable, cost‑effective systems that contribute to cleaner environments and healthier communities.

This is a chance to drive meaningful change in the waste industry and build a legacy of sustainability.

Senior Hydrogeologist – Responsibilities

• Lead complex hydrogeologic investigations in the Northeast and Mid‑Atlantic region, including fractured rock and coastal plain settings.
• Oversee data collection, processing, analysis, and interpretation, including building dynamic conceptual site models, developing high‑resolution site characterization strategies, and applying modern remediation hydrogeology concepts such as mass flux/discharge or DNAPL assessment.
• Manage field groundwater level and quality data collection, design and construction of monitoring wells, development of geologic and hydrogeologic cross‑sections, and geospatial and geostatistical analysis.
• Interpret subsurface aquifer conditions on a site and regional scale; develop hydro graphs and other graphic presentations of hydrogeologic data.
• Lead the assessment of groundwater contaminant plume dynamics and recommend management or remediation strategies.
• Act as a technical expert with recognized authority in a specialized area, resolving complex problems.
• Project manage by directing junior staff, providing technical review and oversight, and mentoring.
• Prepare reports and proposals, including scopes of work, project budgeting, and tracking.
• Interact with clients and deliver presentations.
• Perform other duties as needed.

Preferred Qualifications

• Advanced degree in Geology, Geosciences, Hydrogeology, Engineering, or a closely related field.
• Experience conducting hydrogeologic assessments and updating conceptual site models at active, inactive, and abandoned mine sites or similar projects.
• Experience implementing passive and/or active water treatment systems, evaluating flow control structures, and directional drilling into mine workings and fault zone structures.
• Completion of 40‑hour HAZWOPER, 30‑hour OSHA Construction, and MSHA 40‑hour Underground Miner training.
• Local candidates preferred.

Required Qualifications

• Bachelor’s degree in Environmental Studies, Hydrology, Civil Engineering, Water Resources, or a closely related field.
• 10 or more years of analysis, modeling and design, and management experience.
• Project management skills a plus.
• Commitment to active participation in an employee‑owned culture.

United States – New Jersey – Woodcliff Lake

United States – New York – New York;
United States – New Jersey – Pennington

Full‑time

Regular

At HDR, we are committed to the principles of employment equity.

We are an affirmative action and equal opportunity employer.

We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.