Overview In this role you will lead and support a large DB2 for z/OS environment within a integral DB2 Support Team. You will ensure availability, performance, integrity, and security across 50+ DB2 subsystems, collaborating with development, operations, and security teams. You'll drive upgrades, DR planning, and strategic initiatives to optimize OLTP performance and reliability.

This is an opportunity to shape enterprise-grade DB2 platforms in a complex, cross-region setting and contribute to flexible, secure data services.

Responsabilidades Install, configure, upgrade, and maintain DB2 for z/OS environments Support a large-scale enterprise DB2 infrastructure with multiple subsystems Plan and execute DB2 version upgrades, migrations, and maintenance implementations Provide Level 2 and Level 3 technical support for DB2-based applications Ensure stability, integrity, availability, and performance of DB2 databases and supporting infrastructure Support and manage Distributed Data Facility (DDF) and distributed DB2 connectivity Maintain and optimize OLTP environments using CICS and DB2 Monitor performance and implement tuning recommendations Develop, test, and maintain backup, recovery, and disaster recovery procedures Ensure storage management, archiving,



and retention processes Implement and manage database security controls and access governance Troubleshoot and resolve complex database and infrastructure issues Collaborate with application teams on design, deployment, and problem resolution Ensure compliance with security, audit, and regulatory requirements Maintain technical documentation and operational procedures Maintain database and monitoring solutions on supported versions On-call and after-hours support for incidents and planned maintenance Lead technical troubleshooting and root cause analysis for major incidents Drive automation, performance optimization, and operational excellence Requisitos principales 8 to 15+ years in IBM Mainframe Systems Programming with DB2 for z/OS focus Proven experience with large-scale enterprise DB2 environments and multiple subsystems Strong DB2 installation, migration, maintenance, performance tuning, and troubleshooting Experience in Banking/Financial Services or other mission-critical environments preferred Hands-on experience with CICS and DB2 for high-volume OLTP DB2 for z/OS, z/OS, SMP/E, JCL, TSO/ISPF, SDSF, RACF Experience installing, upgrading, testing DB2 releases and providing Level 2/3 support Knowledge of Distributed DB2 Connectivity (DDF) Expertise in performance monitoring, capacity planning, backup/recovery, DR, and security administration Strong analytical and troubleshooting skills; excellent communication; ability to work independently strong communication analytical thinking independence DB2 for z/OS z/OS SMP/E

📌 Systems Developer - Hybrid (Barcelona)
🏢 Ntt
📍 Barcelona