Mainframe z/OS Network Engineer

NTT America, Inc.; Madrid; Presencial; EUR 70.000 - 100.000; Jornada completa

Descripción de la vacante

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.

Formación

• Experience in administering z/OS systems and mainframe networks.
• Strong understanding of security protocols (IPSec, TLS/SSL) and certificate management.
• Ability to troubleshoot complex network issues in a z/OS environment.

Responsabilidades

• Support IBM mainframe networks and transmissions products and infrastructure.
• Participate in 24x7 support rotation.
• Configure and manage VTAM/OSPF/IP routing updates and security policies.
• Manage OSA Adapters and Enterprise Extenders integration.
• Perform VTAM PU/LU updates and network trace/debug analysis.
• Communicate with staff across technical and operations teams.

Conocimientos

z/OS

Mainframe networking

TCP/IP

IPSec TLS

VTAM

NetMaster

TM/SS

Herramientas

NetMaster

TUBES

Supersession

Descripción del empleo

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.