Mainframe Network Engineer (z/OS) – Secure Connectivity

Ntt; Barcelona; Presencial; EUR 90.000 - 130.000; Jornada completa

Descripción de la vacante

Ntt is seeking a highly skilled z/OS Systems Specialist to maintain and secure a large-scale mainframe network. You will join a multi-functional team focused on IBM mainframe networking, ensuring reliable connectivity and data/IP security for host subsystems and product suites.

This role involves critical configuration, issue resolution, and round-the-clock support. You will collaborate across technical, application, and operations teams to drive stable, secure mainframe environments while

Formación

• Experience administering z/OS networking services and related tools.
• Knowledge of network security disciplines (IPSec, TLS/SSL, certificates) and file transmission.

Responsabilidades

• Maintain and secure the mainframe network platform.
• Provide 24x7 on-call support and issue resolution.
• Collaborate with cross-functional teams to ensure reliable connectivity and data/IP security.

Conocimientos

z/OS knowledge

Mainframe networking

IP security

TCP/IP

VTAM

On-call support

Networking tools

Herramientas

NetMaster

TUBES

Supersession

Descripción del empleo

Ntt is seeking a highly skilled z/OS Systems Specialist to maintain and secure a large-scale mainframe network. You will join a multi-functional team focused on IBM mainframe networking, ensuring reliable connectivity and data/IP security for host subsystems and product suites.

This role involves critical configuration, issue resolution, and round-the-clock support. You will collaborate across technical, application, and operations teams to drive stable, secure mainframe environments while