84 Months of Experience developing and/or maintaining applications/programs/batch processes using CA-IDMS. 84 Months of Experience developing and/or maintaining IBM mainframe applications/batch processes written in COBOL. 84 Months Experience working in an IBM z/OS environment and supporting batch processing using JCL, IDCAMS, IEBGENR, IEFBR14, etc. 84 Months of Experience interpreting, analyzing and extracting core use cases from complex business requirements and building the logic within an