Make an impact with NTT DATAJoin a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it's a place where you can grow, belong and thrive. Your day at NTT DATAWe 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).In this role, You willInstall, 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, and operations teams to ensure platform stability.
Implement software maintenance, fixes, service packs, and vendor-recommended updates.
Provide technical guidance and mentoring to junior team members.
Deep knowledge of:z/OS Operating SystemSMP/ETSO/ISPFUNIX System Services (USS)SDSFJCLRACFStrong expertise in Parallel Sysplex implementation and support as well as Parallel Sysplex architecture and administrationExtensive experience installing, configuring, customizing, supporting and maintaining multiple IBM and CA/Broadcom mainframe products.
AssemblerREXXOMEGAMONRMFSMFSASExperience with automation and operational tooling in mainframe environments.
Exposure to hybrid infrastruct

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