Logical DBA Admin, system programmer with Mainframe experience

Managers Note: Logical DBA Admin, system programmer with Mainframe experience.

DB2 DBA (System Programmer) on z/OS (Mainframe)

Core Responsibilities:

• Manage and maintain DB2 subsystems on z/OS, including installation, configuration, and upgrades.
• Perform DB2 object management (creation, alteration, deployment) using tools like BMC Change Manager.
• Optimize DB2 performance through buffer pool tuning, DSNZPARM configuration, and log management.
• Execute subsystem recovery and restart procedures using native DB2 commands and JES automation.
• Collaborate with z/OS teams during IPLs and system events to ensure DB2 availability and stability.
• Troubleshoot and resolve DB2-related issues impacting application or system performance.
• Automate routine DBA tasks using scripting to enhance operational efficiency.
• Support incident handling, deployments, and maintenance across L1, L2, and development teams.

Required Skills:

• Deep expertise in DB2 for z/OS administration and system programming. –

  Expert level

• Strong knowledge of JES, SDSNs, DB2 libraries, and system-level configurations. –

  Professional level

• Experience with DSNZPARM tuning, buffer pool sizing, and performance diagnostics.-

  Expert level

• Familiarity with automation tools and scripting for mainframe environments.
• Proficiency in handling subsystem recoveries and high-availability configurations. –

  Expert level

• Strong analytical and problem-solving skills with a focus on minimizing downtime.
• Effective communication and collaboration across cross-functional teams.

Preferred Qualifications:

• 10+ years of experience in DB2 DBA and system programming roles.
• Exposure to modernization initiatives and integration with cloud or hybrid environments.
• Certifications in DB2 for z/OS or related IBM mainframe technologies.