Mainframe

Job description

• IMS, DB2 z/OS • IMS FF, FP DBs • Drive application migration from z/OS to Postgres • Recommend performance improvements which optimize and fine-tune AXPs database and operating system data sharing complexes / environments • Support mainframe mission critical applications covering WCC SERVICES ACQUISITIONS, REMITTANCES, ACCOUNTS RECEIVABLE, MERCHANT, LOYALTY, CORP. etc. Totaling tens of thousands of database instances • Maintain standard procedural documentation related to all aspects of operating the mainframe IMS/zDb2 database business computing ecosystem • Participate in enablement of high availability / automated database reorganization procedures that minimize business client impacts, improve overall availability and allow for huge data volume scaling • Create, synch-up and refresh required mainframe IMS & Db2 data Warehouse databases for development, test and production (as directed) environments • Spearhead team efforts to upgrade to NEW and IMPROVED structure capabilities – e.g., converting OLD zDb2 VSAM tablespaces to massively improved Universal Table Space type structures – to enable PETABYTE data volume growth capabilities and in preparation for zDb2 VERSION 13