The Board may appoint a general manager who shall be a person of recognized ability and business experience to hold office during the pleasure of the Board. The general manager shall manage the properties and business of the District and the employees thereof subject to the general control of the Board, shall direct the enforcement of all ordinances, resolutions, rules, and regulations of the Board, and shall perform any other duties prescribed by the Board. The Board may appoint a general attorney and a chief engineer, and shall provide for the appointment of other officers, attorneys, engineers, consultants, agents, and employees as may be necessary. The Board shall define their duties and may require bonds of such of them as the Board may designate. The general manager, general attorney, chief engineer, and all other officers provided for pursuant to this Section shall be exempt from taking and subscribing any oath of office and shall not be members of the Board. The compensation of the general manager, general attorney, chief engineer, and all other officers, attorneys, consultants, agents, and employees shall be fixed by the Board.