Groundwater Modeler/Hydrogeologist

Fashion Institute of Design & Merchandising; Plymouth Township (PA); On-site; USD 90,000 - 130,000; Full time

Job summary

HDR is hiring a Groundwater Modeler/Hydrogeologist in the Philadelphia area to support groundwater and contaminant fate modeling projects. You will work under senior modelers to set up mathematical models, analyze environmental data, and participate in meetings and reporting.

The ideal candidate has a bachelor's degree in environmental engineering/science or oceanography, strong analytical skills, and experience with MODFLOW, MT3DMS and Python, MATLAB or R.

Qualifications

• Bachelor's degree in environmental engineering/science, oceanography or closely related field
• Strong analytical and problem-solving skills
• Strong oral and written communication skills
• Experienced with Microsoft Office Suite
• Self-motivated, able to work independently and with a project team to completion of task
• Active participant in employee-owned culture is a must
• Candidates residing in the Philadelphia area preferred

Responsibilities

• Work under senior modelers using prescribed methods in groundwater and contaminant fate and transport modeling projects
• Evaluate groundwater movement, contaminant fate, transport, and subsidence due to overwithdrawal
• Acquire, organize and analyze environmental data
• Set up and execute mathematical models
• Perform quality-control checks on model input and results
• Participate in project meetings, proposal prep, report writing and presentations
• Develop statistical and graphical comparisons of model results and data

Skills

Strong analytical and problem-solving

Oral and written communication

Microsoft Office Suite

Self-motivated and independent work

Education

Bachelor's degree in environmental engineering/science/oceanography

Master's degree in hydrogeology/environmental engineering (preferred)

Tools

MODFLOW

MODPATH

MT3DMS

Groundwater Vistas

GMS

Python

MATLAB

R

Job description

Groundwater Modeler/Hydrogeologist - ( 195336 )

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where 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'

Each and 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 around the world.

In the role of Groundwater Modeler/Hydrogeologist we'll count on you to:

• Work under more-senior modelers, using prescribed methods in various data analysis and modeling assignments as part of groundwater and contaminant fate and transport modeling projects.
• Evaluate groundwater movement, contaminant fate and transport, groundwater supplies, and land subsidence due to over withdrawal of groundwater
• Acquire, organize and analyze environmental data
• Set up and execute mathematical models
• Perform quality-control checks on model input and results
• Participate in project meetings, proposal preparation, report writing and presentations
• Develop statistical and graphical comparisons of model results and data

Perform other duties as needed

Preferred Qualifications

• Masters degree in hydrogeology or environmental engineering (with a focus on groundwater modeling or hydrogeologic processes) preferred
• Experience conducting groundwater modeling, working with modeling programs like MODFLOW, MODPATH, MT3DMS and model processing software such as GMS or Groundwater Vistas required, however, would consider strong candidate with a directly relevant
• Masters with required experience in modeling programs and mathematical software with academic related experience in modeling
• Experience with mathematical software such as Python, MatLab and R
• Strong analytical and problem-solving skills including a thorough understanding of hydrogeological processes and principles
• Strong oral and written communication skills
• Experience with Microsoft Office Suite
• Self-motivated, able to work independently and with a project team to completion of task
• Excellent oral and written communication skills
• Candidates who reside locally in the Philadelphia area are preferred
• Previous field experience collecting groundwater data preferred
• OSHA 40 Hour HAZWOPER Certification are a plus

#LI-AG2

Required Qualifications

• Bachelor's degree in environmental engineering/science, oceanography or closely related field
• Strong analytical and problem-solving skills
• Strong oral and written communication skills
• Experienced with Microsoft Office Suite
• Self-motivated, able to work independently and with a project team to completion of task
• 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.

Primary Location

United States-Pennsylvania-Plymouth Meeting

Other Locations

United States-Pennsylvania-Philadelphia

Industry

Waste

Schedule

Full-time

Employee Status

Regular

BusinessClass : Site Investigation and Remediation

Job Posting

Aug 20, 2026

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

We are an Aff… ??? We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.

Ready to learn more? Let's work together to make great thingspossible.

We design solutions to the world's greatest challenges. We'realways looking for great talent to join our global teams.