NTT DATA in Madrid is seeking a seasoned z/OS Systems Specialist to join a team supporting a large-scale Mainframe Network environment. You will configure and maintain the host communication subsystems, ensuring data/IP security and high availability.You will work with IBM mainframe networks, VTAM, IPsec, TLS/SSL, and security policies; participate in 24x7 support rotation and collaborate with cross-functional teams across applications and operations.#J-18808-Ljbffr
📌 Mainframe Z/Os Network Engineer (Madrid)
🏢 NTT America
📍 Madrid
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