Chief DB2 System Administrator

4 days ago

Bengaluru, Karnataka, India beBeeDatabase Full time ₹ 20,00,000 - ₹ 25,00,000
DB2 Systems Engineer

The primary goal of this role is to ensure the overall health, performance, and reliability of DB2 subsystems.

This includes planning, preparing, and executing DB2 for z/OS subsystem installations, upgrades, and migrations. The ideal candidate will have a strong understanding of DB2 system administration and be able to work effectively in a dynamic environment.

Key Responsibilities:
  • DB2 Subsystem Management
    • Plan, prepare, and execute DB2 for z/OS subsystem installations, upgrades, and migrations.
    • Apply IBM DB2 maintenance regularly using SMP/E to ensure system integrity, resolve issues, and enhance functionality.
    • Configure and maintain DB2 PARMLIB, DSNZPARM, and other critical DB2 initialization parameters.
  • DB2 Tool and Utility Support
    • Install, configure, upgrade, and maintain IBM DB2 utilities (e.g., REORG, RUNSTATS, COPY, LOAD, UNLOAD).
    • Install and support various Independent Software Vendor (ISV) tools for DB2 (e.g., BMC DB2 tools, Broadcom/CA DB2 tools, IBM DB2 Admin Tool, IBM Data Studio).
    • Troubleshoot issues related to DB2 utilities and ISV tools.
  • Performance Monitoring and Tuning
    • Monitor DB2 subsystem health, performance, and resource utilization using tools like Omegamon for DB2, DB2 PM, SMF, RMF, and other performance monitors.
    • Analyze performance data to identify bottlenecks within DB2 and recommend tuning improvements at the subsystem, buffer pool, and thread level.
    • Assist DBAs and application teams in optimizing SQL queries and application performance.
  • Problem Diagnosis and Resolution
    • Provide expert-level support for DB2 incidents, including problem determination, diagnosis (e.g., analyzing dumps, logs, traces), and resolution in a timely manner.
    • Collaborate with IBM support and ISV vendors to resolve complex issues.
    • Participate in on-call rotation for 24/7 support of critical DB2 environments.
  • Collaboration and Coordination
    • Work closely with DB2 DBAs to understand their requirements, provide technical guidance, and ensure the smooth operation of database environments.
    • Collaborate with z/OS Systems Programmers on shared resources, system-level issues, and overall mainframe health.
    • Liaise with application development teams for DB2-related changes, new application deployments, and problem resolution.
  • Automation and Scripting
    • Develop and maintain JCL, REXX, CLISTs, and other scripts for DB2 administration, monitoring, and automation tasks.
  • Disaster Recovery and Business Continuity
    • Assist in the planning, testing, and execution of disaster recovery procedures for DB2 subsystems.
    • Ensure the high availability and recoverability of critical DB2 environments.
  • Documentation and Best Practices
    • Create and maintain comprehensive documentation for DB2 installations, configurations, operational procedures, and troubleshooting guides.
    • Adhere to ITIL best practices for change management, incident management, and problem management within the DB2 domain.
  • Security and Compliance
    • Implement and enforce security best practices within DB2, working with security administrators (RACF/ACF2/Top Secret) to define and manage DB2 security profiles.
    • Ensure compliance with internal security policies and external regulatory requirements for DB2 data.

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