Sec. 5. (a) The director of a department is its chief administrative officer and shall exercise the powers of the department, subject to the authority granted to any board or commission in the department.
(b) A department may be administratively organized by divisions. If it is, the director shall, subject to the approval of the executive, appoint an administrator to be the head of each division, unless this title provides that the appointment be made otherwise. An administrator serves at the pleasure of the executive.
(c) The director of a department may:
(1) approve the hiring and dismissal of the administrator of each division and all other personnel of the department, subject to limitations prescribed by this title and rules adopted by the executive; and
(2) delegate to personnel of the department authority to act on the director's behalf.