Prepares or oversees the preparation of detailed preliminary engineering designs which include engineering drawings, schedules and estimates, planning and design of roadways, structures and parks, including hydraulic designs, traffic control, storm water management and water quality, environmental issues, construction quality assurance, contract administration, permit inspection and compliance, utility relocation coordination and inspection, and overall assurance of contractor compliance with project plans, specifications, estimates and various land surveys. Serves as the team leader, or team member, or field supervisor in an interdisciplinary group of professionals and technicians involved with project planning, environmental review, design, construction management, and production of project plans, specifications, and estimates as well as on-site inspections and field engineering.