Senior Mainframe DB2 DBA — Performance & Automation Lead

CVS Health; Columbus (OH); On-site; USD 83,000 - 222,000; Full time

Benefits offered by this job

Medical benefits

Comprehensive benefits package

Bonus eligibility

Job summary

CVS Health is seeking a Senior Mainframe DB2 Database Administrator (DBA) to support, optimize, and automate Db2 for z/OS and IDMS environments across production and non-production systems. The Senior DBA will drive performance tuning, backup/recovery, and disaster recovery readiness while partnering with development, infrastructure, and support teams.

The role emphasizes Db2 z/OS expertise, SQL tuning, JCL, and production support in large mainframe environments.

Qualifications

• 5+ years of hands-on Db2 for z/OS DBA experience, including database design, maintenance, performance tuning, backup/recovery, and production support.
• 3+ years of experience with Db2 Administration Tools, Query Monitor, OMEGAMON, and Db2 utilities including LOAD, UNLOAD, RUNSTATS, REORG, COPY, RECOVER, and SPUFI.
• 3+ years of advanced SQL performance tuning, access path analysis, query optimization, and index management in Db2 z/OS environments.
• 3+ years of experience with JCL development, DBA job scheduling, and 24x7 production on-call support in large-scale mainframe environments.
• 1+ year of experience designing, implementing, or supporting database replication solutions in complex enterprise computing environments.

Responsibilities

• Administer and support enterprise Db2 z/OS and IDMS databases across production and non-production environments, including structural changes, application releases, and database migrations.
• Optimize database performance through SQL tuning, access path analysis, index recommendations, RUNSTATS, REORG, and resource utilization analysis.
• Develop and implement automation solutions to improve database administration processes, operational efficiency, and legacy support activities.
• Manage database backup, recovery, replication, and disaster recovery processes, including DR documentation and testing activities.
• Support Db2 Function Level upgrades, version migrations, RSU maintenance, and database utility execution.
• Respond to database support requests, change requests, audit inquiries, and production incidents while participating in a 24x7 on‑call rotation.
• Provide technical consultation, knowledge transfer, and support to development, infrastructure, and application teams.

Skills

Db2 z/OS DBA

SQL performance tuning

JCL development

On-call support

Database replication

Education

Bachelor's degree

Tools

Db2 administration tools

Query Monitor

OMEGAMON

Db2 utilities (LOAD/UNLOAD/REORG)

Job description

CVS Health is seeking a Senior Mainframe DB2 Database Administrator (DBA) to support, optimize, and automate Db2 for z/OS and IDMS environments across production and non-production systems. The Senior DBA will drive performance tuning, backup/recovery, and disaster recovery readiness while partnering with development, infrastructure, and support teams.

The role emphasizes Db2 z/OS expertise, SQL tuning, JCL, and production support in large mainframe environments.