Senior DB2 z/OS DBA — Performance Tuning & On-Call Support

BetaNXT Inc.; Indiana, Northern (PA, KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

BetaNXT Inc. in the United States seeks an experienced IBM DB2 for z/OS Database Administrator to join our data operations team.

You will ensure high-performance database environments, optimize SQL, and support production systems in a 24x7 on-call setting. The role focuses on tuning DB2, managing DDF environments, log and recovery operations, and delivering strong database administration and on-going performance improvements across the enterprise.

Qualifications

• 8–15 years of experience as an IBM DB2 for z/OS Database Administrator.

Responsibilities

• Perform SQL performance analysis and tuning.
• Monitor and optimize application performance using IBM tools.
• Develop automation utilities using REXX programming.
• Conduct performance and capacity management by tuning DB2 and system resources.
• Provide application development support, including SQL guidance and DB2 issue resolution.
• Participate in a 24x7 on-call support rotation (Level 1/2).
• Support DB2 for z/OS Distributed Data Facility (DDF) environments and workload management.
• Analyze and resolve DB2 locking and concurrency issues, including deadlocks and timeouts.
• Manage DB2 logging environments and related maintenance tasks.
• Administer and optimise DB2 utilities (REORG, RUNSTATS, COPY, LOAD, RECOVER, REBUILD INDEX).

Skills

SQL performance analysis

DB2 for z/OS tuning

REXX scripting

On-call support

DB2 utilities

Tools

BMC MainView for DB2

BMC Apptune

CA Detector

Job description

BetaNXT Inc. in the United States seeks an experienced IBM DB2 for z/OS Database Administrator to join our data operations team.

You will ensure high-performance database environments, optimize SQL, and support production systems in a 24x7 on-call setting. The role focuses on tuning DB2, managing DDF environments, log and recovery operations, and delivering strong database administration and on-going performance improvements across the enterprise.