Senior Hydraulic Modeler

HDR; Woodcliff Lake (NJ); On-site; USD 142,538 - 203,625; Full time

Benefits offered by this job

Comprehensive benefits package

Employee ownership program

Parental leave

Job summary

A regional engineering firm in New Jersey is seeking a Senior Hydraulic Modeler to lead complex hydraulic modeling projects. The ideal candidate will have a bachelor's degree in Civil Engineering, at least 10 years of experience in water resources, and proficiency in various modeling software. Responsibilities include project management, client interaction, and team mentorship in a collaborative environment. This position offers a competitive salary and a full benefits package.

Qualifications

• A minimum of 10 years Water Resources experience.
• Professional engineering license required.
• Experience in hydrology/hydraulics and drainage/flood control design.

Responsibilities

• Lead preparation of planning studies and hydraulic models.
• Conduct complex hydraulic modeling and design.
• Manage projects and mentor junior staff.

Skills

Hydraulic modeling

GIS data analysis

Client management

Project management

Field monitoring

Education

Bachelor's degree in Civil Engineering

MS in Civil or Environmental Engineering

Tools

ArcGIS Pro

InfoWorks ICM

WaterGEMS

HEC-RAS

HydroCAD

Job description

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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:

• MS in Civil or Environmental Engineering or related field a plus.
• Proficiency in ArcGIS Pro, mapping and analysis
• Knowledge and experience with software such as InfoWorks ICM, WaterGEMS, EPA/XP/PCSWMM, HECHMS, HECRAS, InfoWater, and HydroCAD
• Infrastructure design experience
• Experience mentoring junior modeling and planning staff
• Experience working for a public, municipal, or investor-owned water and/or wastewater utility, public works department, or engineering consulting firm is beneficial
• Experience assisting with project budgeting, project management and client management activities
• Experience working with clients within New York / New Jersey
• Local Candidates
  
  

Keyword(s): HYDROLOGY, HYDRAULICS, COMBINED SEWER, WASTERWATER, DRINKING WATER, STORMWATER, WATERSHED MODELING

Required Qualifications

• Bachelor's degree in Civil Engineering or equivalent field
• A minimum of 10 years Water Resources experience
• Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.
• HEC-1, HEC-RAS, GEO-RAS, Storm CAD, Haested Methods
• Experience in water resources planning, hydrology/hydraulics and drainage/flood control design
• Familiarity with DOT drainage design criteria
• Experience in FEMA studies a plus
• Excellent writing and communication skills
• Ability to work independently and as part of a project team
• 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 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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