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. Strong problem solving and collaboration with operations and applications will be essential.#J-18808-Ljbffr
📌 Mainframe Z/Os Network Engineer (Madrid)
🏢 Ntt
📍 Madrid