The Chief of the Fire Department, and such other personnel as the City Council may from time to time authorize, shall be appointed by the Mayor and shall hold such appointment at the pleasure of the Mayor subject to any applicable law, ordinances, rule or regulation relating to civil service now or hereafter in effect. The Chief of the Fire Department shall on appointment take an oath of office conditioned for the faithful performance of his duties. (Ord. 503 § 3, 1969).