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 coastal, riverine, and piped infrastructure flooding environments.

What you’ll do:

Typical projects include:
- Rainfall-runoff models to support dam safety, climate resilience planning
- Evaluation of complex hydraulic settings, including combinations of open channel, piped infrastructure, rain-on-grade, and coastal flooding
- Reservoir mass balance modeling incorporated into innovative client/user interfaces
- 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
Conduct and coordinate analyses and computer-aided evaluations of surface water systems, including watersheds, rivers, and lakes
Model and design stormwater BMPs, green infrastructure, and LID projects
Prepare FEMA Letter of Map Revision applications
Participate in site project designs
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, Hydrology, or similar degree is required. 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 (required experience) and 3D (preferred experience) numerical modeling
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
Certified Floodplain Manager preferred
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

#LI-Hybrid

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 respect for 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. 

Explore opportunities and apply: https://www.westonandsampson.com/careers

A note to third-party recruiters

Weston & Sampson manages all recruiting directly. We do not accept unsolicited resumes without a signed agreement in place. Any unsolicited submissions will be considered property of Weston & Sampson, and we are not responsible for associated fees.

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Stormwater Project Engineer