Senior Mainframe DB2 Systems Programmer

Wymagania

• Hands-on experience in installation, customization, and maintenance of Db2 for z/OS and SMP/E within an MVS/z/OS environment.
• Deep understanding of relational database concepts, IBM utilities, JCL, access methods, file structures, and Db2 monitoring tools.
• Practical experience implementing RACF or ACF2 Db2 security authorization models and executing Disaster Recovery (DR) protocols.
• High proficiency with ecosystem tools and ISV software from IBM, Broadcom, and Computer Associates (CA).
• Experience participating in large-scale complex projects to design and implement mainframe database solutions.
• Excellent root-cause analysis skills paired with strong written and spoken English communication skills.
• Prior experience in banking, financial services, or enterprise commercial environments is highly preferred.

Zakres obowiązków

• Install, customize, upgrade, and maintain Db2 for z/OS environments and associated ISV tools from vendors such as IBM, Broadcom, and CA.
• Execute software maintenance using SMP/E across MVS/z/OS environments, applying service updates and version upgrades.
• Administer Db2 access control and security rules using RACF and ACF2 to manage system authorizations and permissions.
• Perform system performance tuning, monitoring, database sizing, and troubleshooting to identify and resolve processing anomalies or system errors.
• Support disaster recovery (DR) strategy and lead functional testing for the tertiary backup environment.
• Maintain JCL, operational utilities, standard operating procedures (SOPs), and technical documentation for mainframe database operations.
• Provide ongoing operations support and collaborate with Service Centers and business teams to handle incident escalations, resolutions, and reporting.