Stormwater Project Engineer

Weston & Sampson; Village of Suffern (NY); On-site; USD 95,000 - 122,000; Full time

Benefits offered by this job

Meaningful work

Ownership mindset

Growth opportunities

Flexible workplace

Strong culture

Job summary

Weston & Sampson in Suffern, NY is seeking a Hydrologic & Hydraulic Project Manager with 5+ years of experience to lead water resources projects in urban environments and deliver rigorous analyses for flood mitigation and climate resilience.

You will model hydrology and hydraulics, supervise junior engineers, manage client communications, and contribute to stormwater master planning, green infrastructure design, and dam safety-related studies for municipal and private clients.

Qualifications

• Bachelor’s in Civil or Environmental Engineering; Master’s is a plus.
• 5+ years of surface water hydrology and collection system hydraulics experience.
• Experience with HydroCAD, HEC-HMS, HEC-RAS, PCSWMM, ICM, and 2D modeling.
• GIS experience including data management, spatial analysis and data science.
• Project management experience including oversight and QA/QC.
• Marketing, proposal development and client management experience preferred.
• Valid driver’s license for limited travel.

Responsibilities

• Develop rainfall-runoff hydrology models to support flood mitigation and land development projects.
• Model open channel and piped drainage systems.
• Create floodplain and inundation mapping.
• Lead dam safety related studies and inundation mapping.
• Supervise, train, and mentor junior engineers and designers.
• Support municipal stormwater master planning and water quality improvements.

Skills

Surface water hydrology

Collection system hydraulics

Project management

Client management

Proposal development

Marketing

Communication

Education

Bachelor’s in Civil or Environmental Engineering

Master’s degree a plus

Tools

HydroCAD

HEC-HMS

HEC-RAS

PCSWMM

ICM

2D modeling

GIS software

Job description

Water Full Time Suffern, NY, US

5 days ago Requisition ID: 1068

Salary Range: $95,400.00 To $122,110.00 Annually

Weston & Sampson is currently seeking a Hydrologic & Hydraulic Project Manager with 5+ years of experience for a position in our Water Discipline out of our Suffern, NY office location. The position will focus on projects that involve hydrologic and hydraulic modeling in complex urban environments and integrating riverine and piped infrastructure flooding environments.

What you’ll do:

• Typical projects include:
  • Rainfall-runoff models to develop hydrology to support flood mitigation projects and land development projects. Hydrologic work will also involve dam safety and climate resilience planning
  • Hydraulic modeling of open channel and piped drainage systems.
  • Floodplain and inundation mapping.
  • Dam safety related projects such as design flood identification, dam rehabilitation alternatives analyses, breach analyses, and inundation mapping
• Supervise, train, and mentor less experienced project engineers and designers
• Support the evaluation, study, and design of stormwater systems for municipal clients, including providing stormwater master planning services and designs to support both flood mitigation and water quality improvements
• Provide field evaluation and assessment of existing stormwater infrastructure
• Support the design of green infrastructure and nature-based solutions for treatment of stormwater
• Model and design stormwater BMPs, green infrastructure, and LID projects
• Prepare FEMA Letter of Map Revision applications
• Communicate and prepare written, verbal, and technical information clearly and effectively with clients and internal multidisciplinary teams
• Assist with business development, marketing, and proposal preparation.

What you will bring:

• Bachelor’s in Civil or Environmental Engineering, Master’s is a plus
• 5+ years’ experience of surface water hydrology and collection system hydraulics
• Experience developing HydroCAD, HEC-HMS, HEC-RAS, PCSWMM, and ICM, as well as 2D modeling.
• GIS experience including Data Management, Spatial Analysis and Data Science.
• Experience developing models to support a wide range of project types, such as stormwater drainage infrastructure and BMP design, green infrastructure and LID projects, coastal flooding analyses, and dam safety projects
• Project management experience, to include technical oversight and QA/QC experience
• Marketing, proposal development and client management experience preferred
• Valid driver’s license is required for limited travel to client meetings

Salary Range: $95,400 - $122,110 based on experience

Overview:

At Weston & Sampson, you’ll work alongside more than 1,000 employee-owners who are passionate about improving our communities. From providing clean water to designing resilient infrastructure and sustainable environments, our work has a direct impact on quality of life. We’re looking for curious, driven professionals who want to contribute to innovative, impactful projects and grow with a team that supports them.

We are a 100% employee-owned, interdisciplinary firm offering design, engineering, and environmental services. Since our founding in 1899, we have worked to build a collaborative, forward-thinking environment grounded in respectfor each other’s ideas.

We offer

• Meaningful work:Contribute to projects that protect and enhance the natural and built environments
• Ownership mindset: As an employee-owner, your work directly contributes to our shared success
• Growth opportunities: Build your career through mentorship, diverse projects, and clear advancement pathways
• Flexible workplace: Work in a way that supports your life and not the other way around
• Strong culture: Join a team that values collaboration, inclusion, and recognition

Our Commitment to Inclusion, Diversity, Equity & Access (IDEA)

We believe diverse perspectives make us stronger. Weston & Sampson is committed to fostering a culture of belonging where all employees feel valued, respected, and empowered. We actively support IDEA principles across our organization and in our daily work.

Ready to transform your environment? Let’s work together.