Big Brothers Big Sisters of Central Illinois is seeking to a full-time Case Manager to our growing organization. We are searching for energetic and passionate people who want to make a difference for children, families and our community. Position. Case Manager, Community & Site-Based Programs. Reporting Relationship. COO. ABOUT BIG BROTHERS BIG SISTERS OF CENTRAL ILLINOIS (BBBSCIL). BBBSCIL’S Mission. is to create and support one-to-one mentoring...