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# Mainframe DBA Manager

- **Company:** Learn Beyond Consulting LLC
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** Customer Information Control System (CICS), Databases, Data Recovery, Data Sharing, IBM DB2, Database Design, Database Encryption, Disaster Recovery, IBM Parallel Sysplex, Job Control Language (JCL), Rexx (Programming Language), Job Entry Subsystem 2/3, Mainframes, Performance Tuning, SQL Databases, Subsystems, Z/OS, Tso/ispf, Scripting, Indexer
- **Published:** October 30, 2026
- **Apply:** https://www.dice.com/job-detail/dd6854fa-867e-482b-a305-9bfc4b5a50bc

## About the Role

* 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

## Description

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