> Markdown version of [/jobs/ext/4030685-mainframe-dba-manager-lead-db2-for-z-os_-w2](https://www.wearedevelopers.com/jobs/ext/4030685-mainframe-dba-manager-lead-db2-for-z-os_-w2). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe DBA Manager / Lead - DB2 for z/OS_ W2 - **Company:** Learn Beyond Consulting LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Contract - **Skills:** Customer Information Control System (CICS), Data Sharing, IBM DB2, Database Security, Disaster Recovery, IBM Parallel Sysplex, Job Control Language (JCL), Rexx (Programming Language), Job Entry Subsystem 2/3, Mainframes, Performance Tuning, IBM Resource Access Control Facility, Subsystems, Z/OS, Tso/ispf, Sql Tuning - **Published:** October 30, 2026 - **Apply:** https://www.dice.com/job-detail/a7a23a75-0fbb-44be-bb80-a93fbc6a1646 ## About the Role * Strong hands-on experience with DB2 for z/OS Database Administration * DB2 subsystems, Data Sharing, Parallel Sysplex, buffer pools, tablespaces, indexes, and DB2 Catalog * SQL performance tuning, access path analysis, and capacity planning * DB2 utilities: REORG, RUNSTATS, COPY, LOAD, UNLOAD, RECOVER, and REBUILD INDEX * Backup, recovery, disaster recovery, and RTO/RPO planning * DB2 upgrades, migrations, SMP/E, and PTF implementation * Mainframe tools: z/OS, JCL, SDSF, TSO/ISPF, and JES2 * Database security, RACF, encryption, and audit/compliance controls * L3/L4 production support, root cause analysis, and major incident resolution * Technical leadership, team mentoring, and change governance (CAB) Preferred Skills: BMC DB2 tools, REXX scripting, DB2 automation, and experience with IMS, CICS, and MQ. ## Description Seeking an experienced Mainframe DBA Lead to provide technical leadership for enterprise DB2 for z/OS environments. The candidate will be responsible for database administration, performance tuning, architecture, upgrades, migrations, backup and recovery, disaster recovery, security, and production incident management.