Water & Wastewater Engineer - Hydraulic Modeling Expert

HDR, Inc.; Fulton (MD); On-site; USD 90,000 - 140,000; Full time

Job summary

HDR is seeking a Water / Wastewater Professional Engineer to support hydraulic modeling and master planning projects in Maryland, DC, and Virginia. The role may be based in Fulton, MD, or other HDR offices in the region.

The ideal candidate has 5+ years of experience in utility hydraulics, proficiency in ArcGIS Pro, and strong client interaction and proposal development skills. This is an employee-owned, collaborative environment with growth opportunities.

Qualifications

• Professional Engineer (PE) license required or able to obtain
• MS in Civil or Environmental Engineering or related field preferred
• Minimum of 5 years of progressive experience in utility hydraulic modeling and infrastructure engineering design

Responsibilities

• Develop and calibrate water and wastewater hydraulic models
• Perform GIS data analysis and alternatives analysis
• Assist with project budgeting, proposals, and scope development
• Lead project teams and ensure quality assurance/quality control

Skills

PE license

Communication

Team leadership

Education

MS in Civil or Environmental Engineering

Bachelor's degree in Civil Engineering

Tools

ArcGIS Pro

Hydraulic modeling software

Job description

Water / Wastewater Engineer - Hydraulic Modeling - ( 195741 )

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.

We believe water is more than a resource, it's a shared responsibility. As part of our WaterBusiness Group, you’ll help shape how communities manage water for generations to come. From delivering safe drinking water and treating wastewater responsibly to developing sustainable water supplies and protecting lives and property through flood control, your work will directly support public health, environmental sustainability, and infrastructure resilience. We bring together experts across disciplines to solve complex challenges with bold thinking and technical excellence. Whether you're modernizing aging systems or pioneering innovative approaches, your contributions will make a meaningful difference in people’s lives. This isn’t just a job, it's a chance to lead change, drive progress, and leave a lasting legacy.

HDR is looking for a Water / Wastewater Professional Engineer with experience in utility planning using hydraulic modeling to join our team of Engineers, Scientists and Project Managers to support projects for HDR clients in Maryland, DC, and Virginia. This position may be based out of our HDR offices in Fulton (MD), Washington (DC), Vienna, Newport News, or Virginia Beach (VA).

The ideal candidate will have a background involving the delivery of utility infrastructure engineering master planning, design, and hydraulic modeling projects associated with water distribution, sanitary sewer collection, and water reuse systems. They will be responsible for developing and calibrating water and wastewater hydraulic models, performing GIS data analysis, alternatives analysis, preliminary engineering, cost analysis, and capital project development. Other responsibilities include client interaction in project meetings and presentations, report writing, and developing proposal scopes with level of effort estimates. This role may include task-level responsibility for project teams, mentoring and quality assurance / quality control activities for hydraulic modeling and master planning projects.

Preferred Qualifications

• Professional Engineer (PE) license
• MS in Civil or Environmental Engineering or related field
• Minimum of 5 years of progressive experience in utility hydraulic modeling and infrastructure engineering design
• Knowledge and experience with wastewater collection system and/or water distribution system hydraulic modeling software
• Willing to learn and grow technical and professional skills to meet client and market needs
• Must have excellent communication skills and thrive working in a team environment
• Prior experience leading teams, managing projects, assisting with project budgeting
• Proficiency in ArcGIS Pro, mapping and analysis
• Experience working for a public, municipal, or investor-owned water and/or wastewater utility, public works department, or engineering consulting firm is beneficial
• Experience working with clients in Maryland, DC, and Virginia
• Local candidates are preferred
• #LI-MJ1

Required Qualifications

• Bachelor's degree in Civil Engineering or equivalent field
• Previous experience designing and creating plans and specifications for water and wastewater projects

Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.

• Self-motivated, able to work independently and with a project team to completion of a 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.

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

Primary Location

: United States-Maryland-Fulton

Other Locations

Other Locations

: United States-Virginia-Newport News, United States-District of Columbia-Washington DC, United States-Virginia-Vienna, United States-Virginia-Virginia Beach

Industry

: Water

Schedule

Schedule

: Full-time

Employee Status

Employee Status

: Regular

BusinessClass : Utility Management Services

Job Posting

Job Posting

: Aug 29, 2026

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

We are an Affirmative Action and Equal Opportunity Employe r.

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.