Ibmz Network Engineer

Ntt Data; Barcelona; Presencial; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

IBMz Network Engineer in Barcelona leads secure z/OS host networking and 24x7 operations, ensuring reliable connectivity across mainframe services. You will configure, maintain, and secure systems, collaborating with multiple teams to resolve complex problems.

The role emphasizes VTAM, IPsec, TLS, and mainframe transmission products, with exposure to security best practices and enterprise-scale operations in a global context.

Formación

• Experience as a z/OS Systems Specialist in IT.
• Knowledge of z/OS networking services and related software/protocols.
• Understanding of network security disciplines (IPSec, TLS/SSL, certificates).
• Experience administering mainframe transmission products (Connect:Direct/FTP or similar).

Responsabilidades

• Support IBMz mainframe networks and transmissions infrastructure.
• Participate in 24x7 support rota.
• Perform VTAM updates (Add/Delete/Change).
• Configure and manage IPSEC policies (permit/deny, VPN/IPsec tunnels).
• Trace, debug and perform error analysis; coordinate with teams to ensure connectivity and security.
• Experience with mainframe printing products.

Conocimientos

z/OS

TCP/IP networking

mainframe networks

VTAM

IPsec TLS certificates

Connect Direct

NetMaster

TUBES

Supersession

z/OS utilities

Data protection act

communication

teamwork

network security

Cisco solutions

Herramientas

NetMaster

TUBES

Supersession

OSA Adapters

Descripción del empleo

In this role you will support a large-scale z/OS mainframe network, focusing on secure host communication subsystems. You'll join a multi-functional team providing 24x7 coverage and work on configuring, maintaining, and securing mainframe network services. You will interact with technical, applications, and operations teams to ensure connectivity and security, with opportunities to handle complex problems and stay current with evolving technologies. This position offers a meaningful chance to contribute to enterprise-scale mainframe operations within a globally diverse organization.

• Support IBM mainframe networks and transmissions infrastructure
• Participate in 24x7 support rota
• Perform TCPIP Port Reserves (Add/Delete/Change)
• Perform VTAM updates (Add/Delete/Change)
• Manage OSA Adapters in a complex mainframe environment
• Perform VTAM PU/LU updates including Enterprise Extenders
• Implement AT-TLS rules and manage digital certificates
• Configure and manage IPSEC policies (permit/deny, VPN/IPsec tunnels)
• Trace, debug and perform error analysisCoordinate with technical, applications and operations staff to ensure network connectivity and security, including after hours and weekends as needed
• Experience administering file transmission products such as Connect:Direct and FTP (or equivalent user experience)
• Knowledge of z/OS and z/OS utilities
• Understanding of z/OS networking services and related software/protocols
• Understanding of network security disciplines (IPSec, TLS/SSL, certificates)
• Experience in problem management from diagnosis to resolution
• Understanding of Change Management processes
• Ability to customize and manage secure SNA and TCP/IP networks under z/OS
• Knowledge of mainframe network management tools (e.g., NetMaster) and multi-session tools (TUBES, Supersession)
• Experience with mainframe printing products
• Knowledge of System z hardware including OSA-Express NICs
• Excellent problem-solving and analytical skills
• Strong communication, teamwork and negotiation skills
• Familiarity with Cisco Network Solutions
• Ability to work to tight deadlines; strong organizational skills
• Willingness to keep up with new technology
• Understanding of Data Protection Act
• Experience as a z/OS Systems Specialist in IT
• communication
• teamwork
• z/OS
• TCP/IP networking

IBMz Network Engineer barcelona, catalunya, es