Mainframe Administrator

TalAstra HR Consultants Private Limited; Gurugram District; Hybrid; INR 1,200,000 - 1,500,000; Full time

Job summary

Zensar Technologies in Gurugram is seeking a Mainframe Developer with 6+ years of hands-on experience in IMS and DB2 z/OS. You will drive migrations from z/OS to Postgres and lead performance tuning and modernization of large mainframe environments.

The role involves mentoring junior DBAs, maintaining security, and delivering high-availability solutions while collaborating with cross-functional teams in a hybrid work setup. Experience with IBM/BMC tools is beneficial.

Qualifications

• Involved in logical design and converting models to physical DB design.

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

Skills

IMS

DB2 z/OS

Postgres

Migration

Performance tuning

High availability

Mainframe administration

Education

Bachelor's degree or higher in Information Management, Computer Science or related field

Tools

BMC Change Manager

IBM Data Studio

IBM Visual Studio

BMC Utilities

Job description

Job Description

Job Title: Mainframe Developer

Payroll - FTE with Zensar TechnologiesLocation: Gurugram

Employment Type:Full-time

Work Mode- Hybrid (3 days form office)

Experience Required: 6+ years

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 DB