> Markdown version of [/jobs/ext/4029488-mainframe-dba-manager](https://www.wearedevelopers.com/jobs/ext/4029488-mainframe-dba-manager). 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 - **Company:** Learn Beyond Consulting LLC - **Location:** United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Data Sharing, IBM DB2, Database Design, Database Security, Disaster Recovery, Job Control Language (JCL), Job Entry Subsystem 2/3, Mainframes, Performance Tuning, Subsystems, Z/OS, Tso/ispf, Database Performance, Sql Tuning - **Published:** October 30, 2026 - **Apply:** https://www.dice.com/job-detail/5673eb31-1870-4ef7-bebe-2295147361d9 ## About the Role * Strong expertise in DB2 for z/OS, DB2 subsystems, Data Sharing, tablespaces, indexes, and buffer pools. * Proficiency in SQL tuning, DB2 utilities, backup/recovery, and performance optimization. * Strong knowledge of z/OS, JCL, TSO/ISPF, SDSF, JES2, and SMP/E. * Experience with DB2 upgrades, migrations, disaster recovery, and production support. * Excellent technical leadership, troubleshooting, and communication skills. ## Description Seeking an experienced Mainframe DBA Manager/Lead with 12-20+ years of mainframe experience and 8-16+ years of DB2 for z/OS database administration experience. The candidate will lead enterprise DB2 environments, ensuring database performance, availability, security, backup, recovery, and disaster recovery., * Lead DB2 for z/OS administration, database design, and architecture. * Manage SQL performance tuning, access path analysis, and capacity planning. * Oversee DB2 utilities, maintenance, backup, recovery, and DR operations. * Lead DB2 upgrades, subsystem migrations, and modernization initiatives. * Handle critical production incidents, root cause analysis, and L3/L4 escalations. * Ensure database security, compliance, and operational standards. * Provide technical leadership, mentoring, and cross-team collaboration.