Under general direction, performs and oversees professional field and office civil, structural and transportation engineering work related to the planning, design, construction and maintenance of City projects and programs in the areas of development, traffic operations and safety, capital improvement, stormwater and building structural plan checking, including managing complex engineering projects and programs; provides professional assistance and technical advice to City officials; coordinates projects with contractors, other departments, and other agencies; administers professional services and construction contracts; evaluating requests for changes or additional work; directs the work of subordinate professional staff; and performs related work as required. Serves as project manager on complex projects including: defining project scope; selecting consultants; negotiating contracts, amendments and change orders; preparing and monitoring project schedules; monitoring, reviewing and coordinating project design and construction; evaluating contractors requests for extra work; enforcing terms of the contract; processing payments and change orders; coordinating projects with businesses, utilities and other city departments; conducting field and construction site inspections; and resolving contract disputes.