SAP Functional Analyst (FI/AR & Healthcare Integration): We are seeking a highly experienced SAP Functional Analyst for a critical project. This role is dedicated to implementing new Accounts Receivable (AR) functionality and managing complex financial interfaces between SAP ECC and external medical claims and clearinghouse systems. As our primary SME, this resource will lead the functional design for end-to-end payment and reimbursement flows (including CFB, VBP, and MA PPO), ensuring our inter