Mainframe Engineer IMS and DB2 z/OS

Job Title: Mainframe DBA / Migration Engineer (IMS, DB2 z/OS)

Company: Zensar Technologies (FTE)

Location: Bangalore / Chennai / Gurugram

Work Mode: Hybrid (3 days from office)

Experience: 610 years

Job Description

We are hiring a Mainframe DBA / Migration Engineer with strong hands-on expertise in IMS and DB2 z/OS to support mission-critical banking applications and drive legacy modernization.

Key Responsibilities:

• Administer IMS FF, FP and DB2 z/OS databases across tens of thousands of instances
• Drive application migration from z/OS to PostgreSQL
• Optimize and fine-tune AXP database and OS Data Sharing complexes
• Convert legacy VSAM tablespaces to Universal Table Space (UTS) for petabyte-scale growth and zDb2 V13 readiness
• Enable high availability and automated database reorganization procedures
• Create, sync, and refresh IMS & DB2 Data Warehouse databases (Dev/Test/Prod)
• Maintain procedural documentation, mentor junior DBAs
• Use BMC Change Manager, IBM Data Studio, IBM Visual Studio for LIFT & SHIFT automation

Must-Have Skills:

• IMS DB (Fast Path & Full Function)
• DB2 z/OS (V11/V12/V13)
• DB2 utilities — REORG, RUNSTATS, IMAGECOPY, RECOVER
• Performance tuning / access path optimization
• Data Sharing (AXP) complexes
• Backup / Recovery / DR
• JCL, REXX, SQL
• BMC & IBM utilities for IMS/DB2 z/OS

Good-to-Have:

• PostgreSQL migration experience
• UTS / VSAM tablespace conversion
• BMC Change Manager, IBM Data Studio
• Data Warehouse database management
• Mainframe modernization / legacy migration

Qualifications:

• Bachelor's in CS / IT / Information Management or related field
• 6–10 years of mainframe DBA experience
• Strong communication, documentation, and mentoring skills