Experteer Overview In this role you will manage installation, configuration, and ongoing maintenance of IBM z/OS and related system software in large-scale, mission-critical environments.

You will work within our enterprise infrastructure team to ensure high availability, performance, and security, partnering with cross-functional teams to support business-critical applications.

The position emphasizes hands-on troubleshooting, system upgrades, disaster recovery, and documentation to enable smooth operations.

You will contribute from day one and mentor junior engineers while driving reliability and automation in a general context.

This opportunity centers on shaping a robust mainframe platform that underpins ?? Compensaciones / Beneficios • Install, configure, and maintain IBM z/OS operating systems • Manage IBM and CA/Broadcom system software across enterprise environments • Plan and execute OS upgrades and maintenance using SMP/E • Administer Parallel Sysplex environments for high availability • Perform performance monitoring, capacity planning, and optimization • Analyze and resolve complex z/OS, middleware, and infrastructure issues • Implement maintenance, fixes,



and vendor updates • Support disaster recovery, business continuity, and high-availability initiatives • Maintain security controls and compliance • Create and maintain technical documentation and runbooks • Participate in root cause analysis and problem management • Provide mentoring to junior team members • Support production implementations and after-hours activities Responsabilidades • 10+ years of hands-on z/OS Systems Programming • Deep knowledge of z/OS OS, SMP/E, TSO/ISPF, USS, SDSF, JCL, RACF • Strong Parallel Sysplex implementation and administration • Experience with IBM and CA/Broadcom mainframe products • Experience in large enterprise environments, preferably Banking/Financial Services • Strong troubleshooting and problem-solving abilities • Ability to independently manage complex technical assignments • Excellent verbal and written communication • Experience supporting mission-critical production environments with strict SLAs Requisitos principales • comprehensive benefits package • health and wellbeing focus • local market competitiveness

📌 Z/Os Mainframe Systems Programmer (Barcelona)
🏢 Ntt Data
📍 Barcelona