Mainframe DB2 DBA
Tata Consultancy Services
2 - 5 years
Bengaluru
Posted: 10/12/2025
Job Description
Role - Mainframe DB2 System Administrator
Exp- 6 to 12 years
Location: Chennai/Hyderabad/Bangalore/Mumbai/Pune/Delhi
Summary of key responsibilities
- Define and provide guidance for database creation, configuration, upgrade, patches and refresh requirements
- Recommend operating system and database performance monitoring, tuning and configuration changes
- Experience with database physical and logical design, query analysis and optimization
- Provide technical assistance and subject matter expertise to applications groups
- Provide database storage management and capacity management recommendations
- Define and manage database security and access permissions in consultation with customer
- Ensure completion of authorized Service Requests, Changes, Problem tickets
- Manage escalations and track Service Delivery and ensure SLA compliance including with vendors
- Review and update the SOP documents on regular basis
- Support in all in-flight and upcoming project activities
- Recommend and perform customer-approved database replication procedures
Years of Experience
L3 : 6+ Years of experience in Mainframe z/OS Db2 v13 Database Administration
Technical requirements
Experience in Mainframe Db2 v12/ v13 Database System-Administration on z/OS
DB2 installation, upgrade, patching, configuration and operations
Proficiency in DB2, VSAM Systems Performance Tuning and Capacity Planning
Experience in Data Sharing setup in Parallel Sysplex environment
Knowledge in ACF2/RACF, CICS v5.5, Mainframe MQ v9
Experience in SMPE and ISV tools installation and migration
Create and maintain database entities, including instances, databases, table spaces and tables
Database DR, Cloning, Backup/Recovery, HA and Point in Time Recovery (PITR) expertise
Experience with Database ISV Tools and Products like OmegaMon and AdminTool
Application related performance tuning; Write, modify, and debug database specific SQL queries
DBA related utilities like Unload, Load, DSNJU003, DSNJU004, Reorg, Runstats, image copy
REXX, CLIST, JCL, JES and Assembler knowledge
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