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We are seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team. This role is responsible for the installation, upgrade, maintenance, and support of the IBM z/OS operating system and a broad range of ISV products, primarily from IBM and Computer Associates (CA/Broadcom). The idóneo candidate will possess deep technical expertise in z/OS Systems Programming, strong Parallel Sysplex administration skills, and extensive experience working within large-scale, mission-critical environments such as banking and financial services organizations.
The successful candidate will be a self-starter who can work independently, troubleshoot complex technical issues, and contribute effectively from day one.



This position requires excellent communication skills, strong analytical thinking, collaboration with cross-functional teams, and participation in planned after-hours activities related to system upgrades, maintenance, and implementations.
In this role, You will
- Install, configure, customize, upgrade, and maintain IBM z/OS operating systems.
- Manage and support IBM and CA/Broadcom system software products across enterprise environments.
- Plan and execute operating system upgrades and software maintenance activities using SMP/E.
- Administer and support large-scale Parallel Sysplex environments to ensure high availability and performance.
- Perform system performance monitoring, capacity planning, and resource optimization.
- Analyse and resolve complex system-level issues involving z/OS, middleware, and infrastructure components.
- Work closely with application support, infrastructure, security, a

📌 Z/Os Mainframe Systems Programmer (España)
🏢 Nttlimited
📍 España