The city administrator, under the direction and control of the mayor, shall be the individual responsible for administration of city personnel, and for the implementation, administration and enforcement of city ordinances and resolutions, and the policies and directives of the city council, which shall remain the legislative and policy-making body of the city. The city administrator, under the direction of the mayor, shall have the authority to draft, revise and enforce by whatever actions are necessary and lawful a set of administrative rules and procedures that will ensure the efficient and proper operation of city government and will carry out the ordinances and policies established by the city council. The city administrator shall also perform all duties and obligations of a city administrator as required by law, and such other duties as are set forth in city code, or as assigned from time to time by the mayor. The city administrator shall attend all special and regular meetings of the city council, unless excused, and such other meetings as requested by the mayor.