Database Administrator - DB2 z/OS

Nasugroup • On-call duty • Python • Perl • 15 days ago
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Salary
≈ $21k – $42k per year (Estimated)
Location
In office (India)
Seniority
Staff · 8+ years exp

First seen by Alion on Sep 17, 2026.

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Nasugroup

Transform Your Business with AI Intelligence. Nasugroup powers enterprise transformation through three specialized AI platforms: intelligent recruitment, business process reimagination, and real-time voice analytics.
nasugroup.com • Bengaluru • Hyderabad • Chennai • Thiruvananthapuram • Pune • Artificial Intelligence
Tech stack of Nasugroup

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.

Skills

DB2, Mainframe, z/OS, Performance Tuning, Shell Scripting, Python, Perl, DBA

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