730 ILCS 110/13
It shall be the duty of the director of the court services department or the chief probation officer, appointed as provided in this act, to supervise and control the work of all subordinate court services or probation officers under his or her jurisdiction subject to the general administrative and supervisory authority of the Chief Circuit Judge or another judge designated by the Chief Circuit Judge, and to control and supervise, as herein provided, the conduct of probationers to such extent as the court may direct.
The Chief Circuit Judge, or another judge designated by the Chief Circuit Judge to have general administrative and supervisory authority over the director of the court services department or the chief probation officer, may authorize the director or chief probation officer to appoint all subordinate court services department officers or probation officers, who shall serve at the pleasure of the director or chief probation officer.
In addition to the authority to discharge such subordinate officers, the director or chief probation officer may impose lesser disciplinary sanctions as the circumstances warrant in the judgment of the director or chief probation officer. Any disciplinary action taken by the director or chief probation officer shall be in accordance with any State or federal laws that may be applicable.
It shall be the duty of the county board to furnish suitable rooms and accommodations, equipment and supplies for probation officers and clerical assistants in that jurisdiction and for the keeping of the records, equipment and supplies of the office. The number of clerical assistants shall be determined by the Chief Circuit Judge or another judge designated by the Chief Circuit Judge to have general administrative and supervisory authority over the director of the court services department or the chief probation officer and shall be appointed by the director or chief probation officer. Salaries of clerical assistants shall be fixed by the county board.
730 ILCS 110/13