Mainframe DBA Manager

We are looking for an experienced Mainframe DBA Lead to provide technical leadership for enterprise DB2 for z/OS environments. You will own database availability, performance, recoverability, security, and scalability while leading upgrades, performance engineering, and modernization initiatives. Key Responsibilities

• Lead administration and support of DB2 for z/OS subsystems across Dev, Test, UAT, DR, and Production
• Drive performance tuning (SQL, access paths, buffer pools, locking, concurrency) and capacity planning
• Manage and optimize DB2 utilities (REORG, RUNSTATS, COPY, LOAD, UNLOAD, RECOVER, etc.)
• Own backup, recovery, and Disaster Recovery strategies; ensure RTO/RPO targets are met
• Lead DB2 version upgrades, migrations, and PTF implementation
• Act as L3/L4 escalation point for complex production issues and root cause analysis
• Define database standards, best practices, and provide technical guidance to the DBA team
• Collaborate with z/OS, CICS, IMS, MQ, Storage, Security, and Application teams

• 12+ years Mainframe experience with 8+ years hands-on DB2 for z/OS DBA experience
• Strong expertise in DB2 subsystems, Data Sharing/Parallel Sysplex, database design, indexing, and catalog
• Proven experience in performance engineering, backup & recovery, and DB2 upgrades/migrations
• Solid knowledge of z/OS, JCL, TSO/ISPF, SDSF, and JES2
• Experience leading major incidents, technical projects, and mentoring junior DBAs

Preferred Qualifications

• BMC DB2 tools, REXX scripting, database encryption & compliance
• Experience in Banking, Insurance, or other highly regulated industries
• IBM DB2 for z/OS certification
• Exposure to CICS, IMS, or MQ integration