Descripción de la oferta
NTT DATA is seeking an experienced z/OS Systems Specialist to join our Madrid mainframe team. You will support the z/OS host communications subsystems and related products in a large-scale environment, ensuring security and data integrity across TCP/IP, VTAM, and IPsec policies. You will work in a multi-functional team, participate in 24x7 coverage, and coordinate changes via ITIL-aligned processes.
