Manager

Cognizant; Hyderabad; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Cognizant is seeking an experienced DB2 DBA (z/OS) to manage enterprise-grade database environments. You will oversee DB2 databases on z/OS, ensure performance, availability, and security, and collaborate with infrastructure teams for capacity planning.

The role requires strong expertise in HADR, clustering, backup/recovery, and scripting with Shell, Python, or Perl. On-call support and rigorous documentation are part of the job.

Qualifications

• DB2 Database Administration on z/OS experience required.
• Experience in performance tuning and monitoring.
• Experience with backup, recovery, and disaster recovery planning.
• Knowledge of HADR, clustering, and replication technologies.
• Scripting experience with Shell, Python, or Perl.
• Strong troubleshooting and problem-solving skills.
• Understanding of database security and compliance requirements.

Responsibilities

• Install, configure, and maintain DB2 databases on z/OS.
• Manage database infrastructure, including instances, partitions, and clusters.
• Design and implement HADR, clustering, and replication.
• Perform upgrades, fix packs, patch management, and migrations.
• Monitor performance and optimize resources.
• Manage backup, recovery, and disaster recovery strategies.
• Troubleshoot complex database and system-level issues.
• Automate DBA activities with scripting tools.
• Implement and maintain database security, authentication, authorization, auditing.
• Support production environments and participate in on-call.
• Maintain technical documentation, operational procedures, and best practices.

Skills

DB2 Database Administration on z/OS

Performance tuning

High Availability & DR

Backup & DR planning

Shell, Python, Perl scripting

Security & compliance

On-call support

Troubleshooting

Capacity planning

Job description

Location: Chennai | Hyderabad | Coimbatore

We are looking for an experienced DB2 DBA (z/OS) to manage and support enterprise-grade database environments. The ideal candidate should have strong expertise in DB2 administration, performance tuning, high availability, disaster recovery, and database infrastructure management.

Key Responsibilities:

Install, configure, and maintain DB2 databases on z/OS.

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

Design and implement High Availability and Disaster Recovery (HADR) solutions, clustering, and replication.

Perform database upgrades, fix packs, patch management, and version migrations.

Monitor database performance and optimize system resources for maximum efficiency.

Manage backup, recovery, and disaster recovery strategies.

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

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

Collaborate with infrastructure teams for capacity planning and hardware sizing.

Automate DBA activities using scripting tools such as Shell, Python, or Perl.

Implement and maintain database security, including authentication, authorization, and auditing.

Support production environments and participate in on-call support as required.

Maintain technical documentation, operational procedures, and best practices.

Required Skills:

• Strong experience with DB2 Database Administration on z/OS


• Expertise in database performance tuning and monitoring


• Experience with backup, recovery, and disaster recovery planning


• Knowledge of HADR, clustering, and replication technologies


• Scripting experience with Shell, Python, or Perl


• Strong troubleshooting and problem-solving skills


• Understanding of database security and compliance requirements

Preferred Qualifications:

• Experience in large enterprise production environments


• Exposure to capacity planning and infrastructure management


• Ability to work in a fast-paced, mission-critical support environment