Essential Duties and Responsibilities: Supporting projects involving municipal separate storm sewer system (MS4) compliance, watershed planning, stormwater best management practice design, sediment assessment and remediation, and environmental permitting; Performing hydrologic and hydraulic calculations; Designing stormwater best management practices; Preparing technical reports; Preparing local, state, and federal permit submittals pertaining to surface water and land use regulations; Preparing proposals for new assignments; Providing litigation support services, including those related to Clean Water Act compliance; Task and project-level responsibility for scoping, performing, managing and delivering multiple concurrent project assignments; Consistent with our sell-manage-do business model, playing a key role in lead generation, business development, staff development, and mentoring; Helping to broaden our reputation via publishing and visibility at prominent industry conferences; and. The position will work on and lead complex projects involving innovative urban stormwater management and natural surface water systems, including sustainable green infrastructure planning studies, urban stormwater infrastructure design, flood mitigation practices, hydrologic & hydraulic analysis (including floodplain mapping), stream restoration, surface water, watershed, stormwater runoff monitoring/modeling, industrial and construction site NPDES permitting support and inspections, and Clean Water Act regulatory support.