Performs and coordinates advanced transportation engineering operations or maintenance support work such as construction and/or complex maintenance contract inspection; light and heavy equipment operation; roadway maintenance; traffic control; helping the public during emergency situations; and training other employees. May serve as a lead worker. Employees at this level establish their own work plan and priorities to meet set objectives. Issues are rarely referred to the supervisor but are handled at the occurrence.Essential Duties:Conducts tests of highway construction materials, makes calculations, and records results.Inspects barricades to ensure compliance with barricade standards.Inspects complex maintenance and construction-related work to include hot mix overlay to ensure compliance with safety, laws and regulations, contract specifications and departmental procedures.Inspects construction and routine and non-routine contract maintenance methods and workmanship to ensure contractors build and maintain roadways, bridges, traffic signals and related highway structures in accordance with plans and specifications.Maintains files of shop drawings and monitors progress of construction activities.May serve as a lead worker and the related tasks.Operates light and heavy equipment; performs preventive maintenance and repairs on equipment; performs roadway maintenance.Oversees complex maintenance and spot improvement contracts.Sands or cleans bridges and roads, posts warning signs, helps the public and performs other work as directed during emergency situations such as floods, tornadoes, hurricanes, snowstorms, accidents, and hazardous material spills.Performs other job responsibilities as assigned.