(a) The county department staff necessary to administer welfare activities within the county shall be appointed pursuant to the rules and regulations of the Department of Human Resources and the State Merit System of Personnel Administration and subject to the approval of the commissioner of human resources. Staff appointments shall meet the qualifications prescribed by the department.

(b) The salaries of the members of the staff shall be fixed by the county director in conformity with the salary schedule prescribed by the Department of Human Resources.

(c) The commissioner shall have power to transfer from one county to another or from one district to another any employee of a county department.