Stormwater Team Lead

At Mott Mac Donald, we are driven by purpose and powered by brilliant people. As a trusted engineering, management, and development consultancy, we work with clients to solve complex challenges and deliver sustainable outcomes that make a meaningful difference for the communities we serve.

When you join us as an experienced professional, you will bring your expertise to work that matters while continuing to grow your career. You will collaborate with talented colleagues across disciplines and geographies, contribute your perspective, and help shape better outcomes through technical excellence, innovation, and integrity.

Build on your experience while helping shape what comes next. At Mott Mac Donald, you'll work alongside talented people on complex and rewarding projects that make a real difference. We value fresh perspectives, encourage collaboration, and provide opportunities to expand your skills, take on new challenges, and grow your career. Whether you're deepening your technical expertise, broadening your leadership experience, or exploring new opportunities across our business, you'll be supported by a team that is committed to helping you succeed.

We are seeking an experienced Principal Project Manager to serve as the Stormwater Team Lead in the Northeast along with the Water Resources Sub-Market Lead for our North America and South America Operations. The Stormwater Team Lead will further the delivery and growth of stormwater, CSO, LTCP and flood risk services across the Northeast. This role focuses on solving complex flooding, drainage, and resilience challenges for municipal, utility, and infrastructure clients.

The successful candidate will bring deep expertise in hydrology, hydraulics and stormwater related regulatory processes. Extensive experience navigating regional regulatory frameworks, and a proven track record delivering large‑scale stormwater, flood mitigation, and CSO programs is preferred. This individual will act as a technical leader, client advisor, and mentor, driving high‑quality project delivery and supporting strategic growth.

The Water Resources Sub-Market Lead is responsible for driving the growth, visibility, and strategic positioning of our Water Resources business. This role serves as the bridge between our clients' evolving needs and our technical and delivery capabilities, ensuring we proactively develop opportunities, strengthen client relationships, and expand our presence across both existing and emerging markets.

Operating as a market‑facing leader, the Sub‑Market Lead will develop and execute a growth strategy for the Water Resources sector, working closely with Account Leaders, Project Managers, Technical Leaders, and Operations teams to increase market share, deepen client engagement, and deliver sustainable business growth.

• Lead, grow and mentor a team of stormwater professionals in the Northeast
• Lead delivery of stormwater management, flood control, and drainage infrastructure projects, including pump stations, storage systems, and conveyance networks
• Experience with H&H modeling using industry standard tools such as HEC-RAS, HEC-HMS, XP-SWMM, Info Works ICM, SWMM, and related platforms
• Direct floodplain analysis, watershed studies, and hydraulic system modeling across urban and riverine environments
• Lead permitting and compliance efforts, including:
  • NJDEP Flood Hazard Area (NJAC 7:13)
  • NJ Stormwater Rules (NJAC 7:8)
  • Understanding of NYSDEC and PADEP regulatory processes preferred
  • FEMA/NFIP coordination and floodplain considerations
  • NN Infrastructure Bank (NJEIT) funding
• Serve as the primary liaison with regulatory agencies and stakeholders (NYCDEP, NJDEP, FEMA, USACE, local authorities)
• Deliver complex programs…