DB2 z/OS Database Administrator (Mainframe)

Largeton Group; United States; On-site; USD 110,000 - 170,000; Full time

Job summary

Largeton Group is seeking a DB2 z/OS Database Administrator to join our mainframe team in the United States. The role focuses on hands-on administration of DB2 databases on IBM z/OS, including installations, migrations, and performance tuning for critical enterprise workloads.

You will ensure data backup and recovery, support high-availability infrastructures, and collaborate with application teams to maintain stable, highly available database services across the organization.

Qualifications

• Hands-on administration of DB2 databases on IBM z/OS.
• Migrate and release databases in production environments.
• Perform runstats and reorgs for performance optimization.
• Ensure backup, recovery and data availability.

Responsibilities

• Provide hands-on administration and support for DB2 databases on IBM z/OS (version 12 or higher).
• Collaborate with application teams to deliver seamless database services.
• Support high-availability mainframe systems for enterprise operations.

Skills

DB2

z/OS

Mainframe

Performance tuning

Backup and recovery

Migration and releases

Production support

Job description

Job Summary: DB2 z/OS Database Administrator (Mainframe)

• Provide hands-on administration and support for DB2 databases on IBM z/OS (version 12 or higher).
• Perform database installations, migrations, and releases in a production environment.
• Conduct performance tuning activities, including runstats and reorgs, to optimize DB2 databases.
• Manage database backup, recovery, and troubleshooting to ensure data integrity and availability.
• Support high-availability and enterprise-scale mainframe systems for critical business operations.
• Collaborate closely with application teams to deliver seamless database services.
• Ensure stability and performance of critical enterprise systems running on mainframe infrastructure.