Senior Hydrogeologist

Senior Hydrogeologist

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected. In this place, everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves:
What is our impact on the world? Every role throughout our organization makes a difference in our ability to change the world for the better. We believe waste is more than management, it’s also an opportunity to innovate. As part of our Waste sector, you’ll help shape solid waste infrastructure and environmental stewardship. With a top‑tier industry ranking, our team delivers comprehensive solutions that span waste planning, remediation, engineering and implementation.

You’ll collaborate closely with clients and communities to design sustainable, cost‑effective systems that contribute to cleaner environments and healthier communities.

• Lead complex hydrogeologic investigations with a focus on complex geological settings commonly found in the Northeast and Mid-Atlantic region (e.g., fractured rock, coastal plain).
• Oversee data collection, processing, analysis, and interpretation, including building complex, dynamic Conceptual Site Models.
• Develop and oversee high-resolution site characterization strategies.
• Use modern Remediation Hydrogeology concepts (such as mass flux/discharge or DNAPL assessment) to develop complex groundwater remediation strategies.
• Field groundwater level and quality data collection methods.
• Familiarity with design, construction, and development of groundwater monitoring wells.
• Develop geologic and hydrogeologic cross-sections utilizing geologic and geophysical data.
• 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 assessment of groundwater contaminant plume dynamics and make recommendations for management and/or remediation.
• Be viewed as a technical expert with recognized authority in an area of specialization that resolves problems of greater scope and complexity.
• Project management: direction of junior staff, providing technical review and oversight, client interaction, and presentations.
• Report and proposal preparation including scopes of work, project budgeting, tracking, and schedules.
• Perform other duties as needed.

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

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

• Primary
  
  Location:
  
  Woodcliff Lake, NJ
• Other Locations:
  New York, NY;
  Pennington, NJ
• Industry: Environment/Sciences
• Schedule:
  
  Full‑time
• Employee Status:
  Regular
• Business Class:
  Site Investigation and Remediation
• Posted:
  Dec 31, 2025

Expected compensation range depends upon skills, experience, education and geographical location. (Stated benefits are for full‑time regular positions. Temporary and part‑time roles eligible for limited benefits.) Woodcliff Lake, NJ: $138,388 – $197,625;
New York, NY: $138,388 – $197,625;
Pennington, NJ: $127,271 – $181,815.

We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success. Benefits include medical, dental, vision, short and long‑term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement.

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.