Manages projects during design and construction phases; attends regular project progress meetings; prepares, reviews, and processes change orders for changes to contracted scope of work; processes purchase order requisitions, workorders, and invoices; reviews project progress reports submitted by contractors; monitors adherence to project schedules. Provides technical advice, information, and assistance concerning engineering issues, project management issues, design/construction activities, and other issues to contractors, consultants, County staff, public agencies, or others; responds to questions or complaints; assists in resolving engineering problems, project development issues, or conflicts involving project participants; recommends solutions to problems.