The superintendent of each correctional institution or unit shall, in the manner provided in §15A-3-5 of this code, hire all assistants and employees required for the management of the correctional institutions or units, including a sufficient number of correctional employees to preserve order and enforce discipline among the inmates, to prevent escapes, and to remove all persons convicted and sentenced to the custody of the Division of Corrections and Rehabilitation, from the place confined to a correctional institution, all of whom shall be under the control of the superintendent: Provided, That the number of the assistants and employees, and their compensation, shall first be approved by the commissioner.
All persons employed at a state-operated correctional institution or correctional unit are subject to the supervision and approval of the superintendent and the authority of the commissioner, or his or her designee, except those persons employed by the State Board of Education, pursuant to §18-2-13f of this code.