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.

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