Basic Function: Interaction with and direct supervision of residents at the agency. Ensures that needs of residents are met in a timely manner in accordance with all state, agency, and departmental guidelines. On-call child care staff, in most circumstances, work directly under the supervision of a full-time staff member. On-call staff members are not to assume responsibility for or perform functions requiring special training and/or certifications which they do not have, unless specifically directed to do so, by charge staff or as necessary in life threatening situations.