The department shall consist of a chief, one or more assistant chiefs and other volunteer members accepted by the department membership. In addition, professional, full-time firefighters who are borough employees shall be members of the department. The hiring committee will consist of department members appointed by the chief. The hiring committee will give recommendations for hiring to the chief. The chief shall make the final determination and recommendation for hire to the manager. Officer positions may be designated in the bylaws. Both the volunteer and professional members may serve as officers as provided in the bylaws. Changes in the membership constituting the department shall be as prescribed by law. The chief and full-time professional firefighters shall be subject to removal by the manager. Other members may resign at any time or be dismissed only as provided in the bylaws.