Overview

In this role you will manage and optimize IBM z/OS environments for enterprise-scale operations. You will work within the enterprise infrastructure team to install, upgrade, configure, and maintain z/OS and associated system software, emphasizing high availability and disaster recovery. You will collaborate with cross-functional teams to ensure platform stability, performance, and security, while mentoring junior engineers and participating in after-hours activities for upgrades and maintenance. This opportunity offers impact through mission-critical mainframe environments in financial services, with a clear focus on reliability, automation, and continuous improvement.

Compensaciones / Ventajas

- comprehensive benefits package

Responsabilidades

- Install, configure, upgrade, and maintain IBM z/OS operating systems
- Manage and support IBM and CA/Broadcom system software across enterprise environments
- Plan and execute OS upgrades and maintenance using SMP/E
- Administer Parallel Sysplex to ensure high availability and performance
- Monitor performance, capacity planning, and resource optimization
- Troubleshoot complex system-level issues involving z/OS, middleware, and infrastructure
- Collaborate with application support, security, and operations teams to ensure stability
- Implement maintenance, fixes, service packs,



and vendor updates
- Support disaster recovery, business continuity, and high-availability initiatives
- Maintain security controls and ensure compliance with standards
- Create technical documentation and runbooks
- Participate in root cause analysis and problem management
- Provide guidance and mentoring to junior team members
- Support production implementations and planned maintenance, including off-hours and weekends when required

Requisitos principales

- 10+ years of hands-on experience in z/OS Systems Programming
- Deep knowledge of z/OS OS, SMP/E, TSO/ISPF, USS, SDSF, JCL, RACF
- Strong expertise in Parallel Sysplex implementation and administration
- Experience installing, configuring, and maintaining 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 tasks
- Excellent verbal and written communication skills
- Experience supporting mission-critical production environments with stringent SLA requirements

- excellent communication
- analytical thinking
- collaboration with cross-functional teams
- z/OS
- SMP/E
- TSO/ISPF

📌 z/OS Mainframe Systems Programmer - barcelona
🏢 Ntt
📍 Barcelona