The Board may appoint a general manager who shall be a person of recognized ability and business experience to hold office at the pleasure of the Board. The general manager shall manage the properties and business of the Authority and of 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 such other duties as may be prescribed from time to time by the Board. The Board may delegate its authority to appoint and act as employer to the governing body of the Village of Orland Park, and any such delegation of power occurring before September 26, 1991 (the effective date of Public Act 87-738) is hereby validated.
     The Board may appoint a general attorney and a chief engineer and shall provide for the appointment of such other officers, attorneys, engineers, consultants, agents and employees as may be necessary. The Board shall define their duties and 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.