DB2 Database Administrator (DBA) – z / OS Platform

Job Title : DB2 Database Administrator (DBA) – z / OS Platform

Company : TECEZE

Location : Bangalore / Chennai / Noida (Hybrid)

Experience : 5+ Years

Role Summary

We are seeking an experienced DB2 Database Administrator (DBA) on the z / OS mainframe platform to join our team. The DBA will be responsible for the installation, configuration, performance tuning, security, and maintenance of IBM DB2 databases on z / OS. This role plays a critical part in ensuring high availability, data integrity, and compliance across enterprise-level, mission-critical systems.

Key Responsibilities

Database Administration :

Install, configure, and manage DB2 subsystems, buffer pools, and storage groups.

Administer DB2 utilities and maintain database objects.

Performance Tuning & Optimization :

Monitor and optimize database and SQL query performance.

Analyze workloads, indexing strategies, and adjust system parameters for efficiency.

Backup, Recovery & Disaster Planning :

Design, implement, and test backup / recovery procedures.

Define and execute disaster recovery strategies.

Security & Compliance :

Manage database security with RACF and DB2 access controls.

Ensure adherence to data governance, compliance, and audit requirements.

Automation & Monitoring :

Automate routine DBA tasks using scripting (REXX, Shell, Python).

Proactively monitor databases using tools to prevent outages.

Collaboration & Support :

Partner with application developers, system programmers, and infrastructure teams.

Provide support during deployments, upgrades, and incident troubleshooting.

Documentation & Standards :

Maintain detailed technical documentation and knowledge base.

Define and enforce database standards, policies, and best practices.

Required Skills & Qualifications

Technical Expertise :

Hands-on experience with DB2 for z / OS (v10–v12) .

Proficiency in JCL, TSO / ISPF, VSAM, DB2 utilities .

Familiarity with SMP / E, RACF, IBM MQ for z / OS, IMS, and CICS connectivity with DB2 .

Strong knowledge of DB2 DDF (Distributed Data Facility) and remote connectivity.

Experience :

Minimum 5+ years of experience in DB2 administration on z / OS .

Proven expertise in performance tuning, disaster recovery, and automation .

Soft Skills :

Excellent problem-solving, troubleshooting, and analytical skills.

Strong communication and teamwork abilities.

Ability to work independently in a hybrid setup.

Education & Certifications (Preferred) :

IBM Certified Database Administrator – DB2 for z / OS or equivalent.