(a) The district attorney in each judicial circuit may employ such additional assistant district attorneys, deputy district attorneys, or other attorneys, investigators, paraprofessionals, clerical assistants, victim and witness assistance personnel, and other employees or independent contractors as may be provided for by local law or as may be authorized by the governing authority of the county or counties comprising the judicial circuit. The district attorney shall define the duties and fix the title of any attorney or other employee of the district attorney's office.

(b) Personnel employed by the district attorney pursuant to this Code section shall serve at the pleasure of the district attorney and shall be compensated by the county or counties comprising the judicial circuit, the manner and amount of compensation to be paid to be fixed either by local Act or by the district attorney with the approval of the county or counties comprising the judicial circuit.