Z

Mainframe

icon building Company : Zensar Technologies
icon briefcase Job Type : Full Time
icon geo-alt Gurugram, India

Job Description - Mainframe

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


Responsibilities
  • 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
  • Drive application migration from z/OS to Postgres
  • Legacy platform modernization
  • Support IMS FF, FP, DB2 z/OS maintenance, development, and migration activities
  • Mentor new junior team members to effectively develop and monitor database systems – pass on and nurture junior DBAs in the ways of properly administering critical mission operational DBMS systems, on the mainframe


Qualifications
  • Prefer Bachelor’s degree or higher in Information Management, Computer Science Engineering, or related subject
  • Design review meetings, involved in logical design and in converting logical model(s) into a physical database model(s)
  • Re-engineer and optimize mainframe access paths and assist in redesign of very large databases, via new function deployments, for performance reasons and for the inclusion / deployment of new tech-business features
  • Maintain and administer application database security in accordance with zDBMS and organizational approved standards and procedures
  • Provide maintenance like backups, reorganization, and database analysis & diagnoses / database error resolution
  • Utilize BMC Admin toolset Change Manager, IBM data studio, IBM visual studio to exploit automation functionality to complete LIFT & SHIFT tasks, across disparate platforms, not just mainframe DBMSs
  • Experience in using IBM, BMC utilities for IMS, DB2 z/OS DBs
  • Experience in IMS FF, FP DBs


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