AR experience, posting cash, keying credits SAP experience would be nice. 1. Works over a broad network of internal departments and customers organizations to ensure billing statements disputes and returns are completed to the customers expectation. 2. Performs in-depth customer payment analysis to properly record actions required to resolve disputed items responsible for the activities involving tracing sources of error correcting billing documentation and processing final billing. 3. Assists in training and mentoring new personnel and follow up to ensure new hires are successful.