The director of the department of corrections and rehabilitation with the approval of the governor may appoint a director of the division of juvenile services, a director of the division of adult services, and other division directors and personnel as deemed necessary for the effective and efficient operation of the department. The director of the division of juvenile services, the director of the division of adult services, and other division directors who may be appointed shall meet qualifications as established for the classified service. All other officers and employees of each division must be appointed and removed by the director of the department of corrections and rehabilitation. All officers and employees of the department of corrections and rehabilitation are subject to the provisions of the state personnel policies.