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.