Job Description:

We are looking for an experienced DB2 Database Administrator with strong expertise in managing and supporting DB2 database environments on IBM z/OS Mainframe. The candidate will be responsible for database administration, performance tuning, high availability, backup/recovery, and production support.

Key Responsibilities:

- Install, configure, maintain, and support DB2 database systems on z/OS.

- Manage DB2 database infrastructure, including instances, partitions, and clusters.

- Design and implement high availability and disaster recovery solutions, including HADR, clustering, and replication.

- Perform database upgrades, fix packs, patches, and maintenance activities.

- Monitor database and system performance and perform DB2/z/OS performance tuning.

- Manage backup, recovery, and disaster recovery strategies and procedures.

- Troubleshoot complex database and system-level issues and perform root cause analysis.

- Optimize CPU, memory, I/O, and storage configurations for database performance.

- Work closely with infrastructure teams on capacity planning and hardware sizing.

- Automate DBA and system administration activities using Shell, Python, or Perl scripting.

- Ensure database security and compliance, including authentication, authorization, and auditing.

- Provide 24/7 production support and on-call coverage as required.

- Maintain database documentation, operational standards, procedures, and support guidelines.

Required Skills:

- Strong hands-on experience in DB2 Database Administration.

- Experience with DB2 on z/OS / Mainframe environments.

- Expertise in DB2 performance tuning and troubleshooting.

- Knowledge of backup, recovery, replication, and disaster recovery.

- Experience with high availability solutions and clustering.

- Knowledge of z/OS system resources, CPU, memory, I/O, and storage.

- Scripting experience in Shell, Python, or Perl.

- Strong production support and incident management experience.

- Good communication, problem-solving, and documentation skills.