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 infrastructure environments and modernization initiatives.Industry certifications related to IBM Z Platforms or Mainframe Systems Programming are desirable.Job ExpectationsDeliver stable, secure, and highly available mainframe infrastructure services.Collaborate with global teams and stakeholders across infrastructure, applications, and business units.Drive continuous improvement initiatives focused on system reliability, performance, and automation.Maintain thorough documentation of system configurations, procedures, and technical implementations.Act as a trusted technical expert for z/OS platform services and system software products.Primary Skillsetz/OSSMP/ETSO/ISPFUSS (UNIX System Services)SDSFJCLRACFParallel SysplexInstallation, customization,



and support of IBM and CA/Broadcom productsSecondary SkillsetACF2GDPSRACF AdministrationAssemblerREXXOMEGAMONRMFSMFSASBenefitsOur people are the most critical component of our long-term success and their health and wellbeing are our priority. About NTT DATANTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune General 100. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services.

Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 70 countries. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.Equal; Opportunity EmployerNTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity.

Join our growing global team and accelerate your career with us. Third parties fraudulently posing as NTT DATA recruitersNTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you.

All email communications from an NTT DATA recruiter will come from an @nttdata.Digital Design and DevelopmentEmployment type: Full time

📌 System Developer (Barcelona)
🏢 Ntt
📍 Barcelona