About this opportunity
HDR lists this Senior Hydrogeologist opportunity in pennington, New Jersey. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Overview
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:
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.
Responsibilities
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 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
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.
We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes 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. 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
Location & Details
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
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.
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Worksite address
pennington, NJ, 08534, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.