Senior Hydrogeologist

HDR, Inc.; Woodcliff Lake (NJ); On-site; USD 138,000 - 198,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Disability insurance

Life insurance

Employee assistance program

Paid time away

Parental leave

Paid holidays

Retirement plan with employer match

Employee referral bonus

Tuition reimbursement

Job summary

HDR, Inc. in Woodcliff Lake, NJ, seeks a Senior Hydrogeologist to lead complex hydrogeologic investigations in the Northeast and Mid-Atlantic regions. You will develop high-resolution site characterization strategies and groundwater remediation plans, while guiding data analysis and model development.

The role emphasizes client interactions, proposal writing, and mentoring of junior staff within HDR's employee-owned culture. On-site work in NJ with regional travel as needed.

Qualifications

• 10+ years of analysis, modeling, design and management experience.
• Strong project management skills a plus.
• Active participant in employee-owned culture is a must.

Responsibilities

• Lead complex hydrogeologic investigations in Northeast/Mid-Atlantic settings.
• Oversee data collection, processing and interpretation with advanced site models.
• Develop high-resolution site characterization strategies and cross-sections.
• Lead plume dynamics assessment and remediation recommendations.
• Mentor junior staff and oversee project budgets and schedules.

Skills

Geospatial analysis

Cross-functional collaboration

Mentoring

Education

Bachelor's degree in Environmental Studies, Hydrology, Civil Engineering, Water Resources or closely related field

Job description

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? Watch Our Story: https://www.hdrinc.com/our-story Every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but across the globe. 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. This isn't just a job, it's a chance to drive meaningful changes in the waste industry and build a legacy of sustainability.

In the role of Senior Hydrogeologist, we'll count on you to

• 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
  • Developing and overseeing high-resolution site characterization strategies
  • Using 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
  • Development of geologic and hydrogeologic cross-sections development utilizing geologic and geophysical data
  • Geospatial and geostatistical analysis
  • Interpretation of subsurface aquifer conditions on a site and regional scale
  • Development of hydrographs and other graphic presentation of hydrogeologic data
• Lead the assessment of groundwater contaminant plume dynamics and make recommendations for the management and/or remediation of contaminant plumes
• Be viewed as a technical expert with recognized authority in an area of specialization that resolves problems of greater scope and complexity.
• Project management including direction of junior staff, providing technical review and oversight and mentoring
• Report and proposal preparation including scopes of work, project budgeting, tracking, and schedules
• Client interaction and presentations
• Perform other duties as needed

Preferred Qualifications

• 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

Required Qualifications

• 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

What We Believe

HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment

As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

• 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
• tuition reimbursement

The expected compensation range for this position 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

Primary Location: United States-New Jersey-Woodcliff Lake

Other Locations: United States-New York-New York, United States-New Jersey-Pennington

Industry: Environment/Sciences

Schedule: Full-time

Employee Status: Regular

BusinessClass: Site Investigation and Remediation

Job Posting: Dec 31, 2025