Senior Hydraulic Modeler

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Join to apply for the Senior Hydraulic Modeler role at HDR

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.

HDR's Hydraulic Modeling practice focuses on the application of modern mathematical modeling to understand the hydraulics and hydrologic processes. One- and two-dimensional hydraulic models and processing tools, including visualization and animation routines, are routinely applied to problems associated with flooding, combined and sanitary sewer modeling, and water distribution quantity and

quality modeling. Projects may include the design and execution of field monitoring efforts.

Description

HDR needs a Senior Hydraulic Modeler / Planner to join our Water Business Group team in New York / New Jersey offices. The ideal candidate will have a background of leading teams in the delivery of utility management, master planning, facility planning, and hydraulic modeling projects associated with water supply, stormwater, sanitary and combined sewer collection, and water reuse systems. The Senior Hydraulic Modeler / Planner will be responsible for leading or contributing to the preparation of planning studies, development and calibration of water, stormwater, and wastewater hydraulic models, performance of GIS data analysis, alternatives analysis, execution of infrastructure renewal and rehabilitation studies, preliminary engineering, cost analysis, and capital project development.

Responsibilities also include client interaction such as the development of proposals, scopes and level of effort estimates, project presentations, and report writing. This role may include the supervision of teams, mentoring and quality assurance / quality control activities for hydraulic modeling and master planning projects.

In the role of Senior Hydraulic Modeler , we'll count on you to :

• Provide project and task management; conduct difficult to complex hydraulic and hydrologic modeling; conduct stormwater collection systems modeling and design; collect, assimilate and present data in reports, memos and public forums; lead production of design calculations and technical reports; and lead preparation of engineering plans and specifications for design of detention facilities, storm drains, flood control facilities and other hydraulic structures
• Work independently in addition to planning, organizing and supervising the work of medium to large teams of professionals and technicians dependent on project / task
• Serve as project manager on larger projects as needed
• Prepare proposal, scopes of work and contract cost estimates
• Perform other duties as needed

Preferred Qualifications :

Keyword(s)

HYDROLOGY, HYDRAULICS, COMBINED SEWER, WASTERWATER, DRINKING WATER, STORMWATER, WATERSHED MODELING

Required Qualifications

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 and Manhattan : $142,538 - $ 203,625 Newark : $136,836- $195,480 Pennington : $131,135 - $187,335

Primary Location :

United States-New Jersey-Woodcliff Lake

Other Locations :

United States-New Jersey-Newark, United States-New York-New York, United States-New Jersey-Pennington

Industry : Water

Schedule : Full-time

Employee Status : Regular

BusinessClass :

Utility Management Services

Job Posting : Aug 4, 2025

At HDR, we are committed to the principles of employment equity. We are an Affirmative Action and Equal Opportunity Employer (https : / / www.hdrinc.com / equal-employment-opportunity-employer). We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.

Seniority level

Seniority level

Mid-Senior level

Employment type

Employment type

Full-time

Job function

Job function

Management, Consulting, and Engineering

Industries

Architecture and Planning, Civil Engineering, and Design Services

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