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Mainframe SRE

Zensar Technologies • IT Consulting & Digital Transformation • IT Outsourcing & Dedicated Teams • Bachelor's Degree • 1 day ago

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Location

In office (Gurgaon)

Confirmed on the employer's own hiring board on Sep 30, 2026. First seen by Alion on Sep 29, 2026. Zensar Technologies scores A on the Alion truth index.

Overview

Company

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Profile match

Zensar Technologies

Zensar Technologies is an Indian technology services company founded in 1991 and part of the RPG Group, providing digital engineering, application services and infrastructure management to clients in banking, insurance, retail, manufacturing and healthcare. Its work covers experience design, cloud and data engineering, application development and maintenance, and increasingly applied artificial intelligence, delivered from centres in India, South Africa, Europe and the United States. Headquartered in Pune and listed in India, it earns a large share of revenue from North America and has been repositioning toward higher-value engineering work.

zensar.com • HQ: Pune, India • IT Outsourcing & Dedicated Teams • IT Consulting & Digital Transformation • 1001-5000 employees • Est. 1991

Tech stack of Zensar Technologies

Role Purpose

Performs DB design, optimization, break-fix, administer DB security, implement automation, new DB features implementation, support & assist with database software installations/upgrades, develop, and administer IMS v15 and DB2 z/OS v12 mission critical business operational application databases in development, test, pre-production & production data sharing complexes

Recommended Experience

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

Scope

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

Functional Capability

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

MaiRole Purpose

Performs DB design, optimization, break-fix, administer DB security, implement automation, new DB features implementation, support & assist with database software installations/upgrades, develop, and administer IMS v15 and DB2 z/OS v12 mission critical business operational application databases in development, test, pre-production & production data sharing complexes

Recommended Experience

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

Scope

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

Functional Capability

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, UDB And Postgres

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