Hydrology Project Lead - Flexible, Client Leadership

Weston & Sampson; Portsmouth (NH); On-site; USD 95,000 - 122,000; Full time

Job summary

Weston & Sampson seeks a senior civil/environmental engineer to lead transportation or hydrology projects in the Northeast. You will direct design teams, manage scope, schedule and budget, and communicate with clients to advance opportunities.

The role emphasizes hydrology and hydraulics modeling (HEC-HMS, HydroCAD, HEC-RAS, PCSWMM/ICM), floodplain analysis, stormwater design, and transportation feasibility. Strong leadership, proposal development, and client management are essential.

Qualifications

• BS in Civil Engineering, Environmental Engineering, Hydrology, or related field (required).
• MS in Civil Engineering, Environmental Engineering, Hydrology, or similar field (preferred).
• 5-10 years of experience in transportation or hydrology project management.
• 2+ years of experience managing hydrology-related projects.
• Strong understanding of hydrology and hydraulics principles and transportation infrastructure systems.
• Experience with floodplain analysis, stormwater design, and transportation infrastructure evaluation.
• Experience with the permitting requirements of instream projects in multiple states in the Northeast.
• Project management experience, including scheduling, budgeting, and scope control.
• CFM certification preferred.
• Proven leadership and team management skills.
• Excellent written and verbal communication, organizational, and time-management skills.
• Some travel to client meetings and project sites required.
• Valid driver’s license required.

Responsibilities

• Direct client communications on design aspects, project schedule, budget, and scope.
• Lead and coordinate project teams across multiple design disciplines.
• Develop and maintain long-term relationships with clients, contributing to business development and project opportunities.
• Support business development efforts, including marketing, proposal preparation, and client outreach.
• Supervise, mentor, and train junior engineers and designers.
• Lead project teams in the design and delivery of transportation or hydrology projects, including studies, modeling, and final design.
• Typical projects include hydrologic/hydraulic modeling for stormwater, drainage, and flood management; transportation networks and floodplain management; climate resilience integration.
• Conduct site assessments, design improvements, and lead technical studies to inform project development.

Skills

Hydrology

Hydraulic modeling

Project management

Client management

Proposal development

Leadership

Communication

Education

BS in Civil Engineering

MS in Civil/Environmental Engineering

Tools

HEC-HMS

HydroCAD

HEC-RAS

PCSWMM

ICM

Job description

Weston & Sampson seeks a senior civil/environmental engineer to lead transportation or hydrology projects in the Northeast. You will direct design teams, manage scope, schedule and budget, and communicate with clients to advance opportunities.

The role emphasizes hydrology and hydraulics modeling (HEC-HMS, HydroCAD, HEC-RAS, PCSWMM/ICM), floodplain analysis, stormwater design, and transportation feasibility. Strong leadership, proposal development, and client management are essential.