Manager

Cognizant; Hyderabad; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Cognizant is seeking an experienced DB2 DBA (z/OS) to manage and support enterprise-grade database environments. The role emphasizes DB2 administration, performance tuning, high availability, disaster recovery, and database infrastructure management.

You'll install and maintain DB2 on z/OS, design HADR solutions, handle upgrades, and collaborate with infrastructure teams on capacity planning. Scripting with Shell, Python, or Perl is part of daily activities and on-call support may be required.

Qualifications

• Demonstrated DB2 Database Administration on z/OS.
• Experience in performance tuning and monitoring of DB2 databases.
• Experience with backup, recovery, and disaster recovery planning.

Responsibilities

• Install, configure, and maintain DB2 databases on z/OS.
• Manage database infrastructure: instances, partitions, and clusters.
• Design and implement High Availability and Disaster Recovery (HADR) solutions.
• Perform upgrades, fix packs, patches, and migrations.
• Monitor performance and optimize resources for efficiency.
• Manage backup, recovery, and DR strategies.

Skills

DB2 DBA on z/OS

Performance tuning

HADR

Clustering & Replication

Backup & DR planning

Shell

Python

Perl

Security & auditing

On-call support

Tools

Shell

Python

Perl

Job description

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