Maintains data entry requirements by following data program techniques and procedures. Verifies entered customer and account data by reviewing, correcting, deleting, or reentering data; combining data from both systems when account information is incomplete; purging files to eliminate duplication of data. Tests customer and account system changes and upgrades by inputting new data; reviewing output. Secures information by completing data base backups. Maintains operations by following policies and procedures; reporting needed changes. Maintains customer confidence and protects operations by keeping information confidential. Contributes to team effort by accomplishing related results as needed.