The Division of Engineering within the Department of Public Service, shall be under the direction of the City Engineer who shall be appointed by the Mayor subject to the Civil Service provisions of this Charter. The City Engineer shall be a registered professional engineer in the State of Ohio, selected on the basis of his administrative and engineering qualifications. In addition to responsibilities assigned by ordinances and resolutions not inconsistent with this Charter, the City Engineer shall require that all construction, maintenance, and repair of streets and sidewalks performed by contractors and/or the Division of Streets and Sidewalks be consistent with specifications.