Miss. Code § 21-9-79
All of the provisions of the civil service laws applying to any city adopting the council-manager plan of government, at the time of such adoption shall continue to apply in full force and effect to such city after adoption of such council-manager plan of government. The civil service commission existing and operating under the former plan of government shall continue to operate without interruption or impairment under the council-manager form of government. All rights, privileges, and advantages of all employees coming under the civil service laws, applying to said city at the time of adoption shall remain in full force and effect and shall in no wise be impaired, altered or changed by such adoption. After the election and taking of office of the councilmen and mayor under the council-manager plan of government, all functions and duties of every nature that would have otherwise been performed by the council under the commission form of government in relation to such civil service laws shall thereafter be exercised and performed by the city council under the council-manager plan of government, except that all appointments of employees coming under the provisions of such civil service laws shall be made, subject to such civil service laws, by the city manager, but all appointments made prior to the change to the council-manager plan shall remain in full force and effect.
The city manager is expressly excluded from coming under the terms and provisions of the civil service laws herein mentioned and is expressly excluded from the employees therein included.
Miss. Code § 21-9-79