Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion it's a place where you can grow, belong and thrive.
Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion it's a place where you can grow, belong and thrive.
Your day at NTT DATA
In this role you will be joining a team of technical professionals supporting a large-scale z/OS systems platform. This position requires an experienced systems programmer supporting the z/OS Mainframe Network environment. Responsibilities include configuring and maintaining the integrity and data/IP security of the Mainframe's host communication subsystems and associated program products.
Being part of a multi-functional team,



supporting IBM mainframe networks and transmissions products and infrastructure.
Participation in support rota providing 24x7 cover.
Manage OSA Adapters in a complex mainframe environment
Implement AT-TLS rules (digital certificate management). Trace, Debug and Error Analysis
Communicate regularly with technical, applications and operational staff to ensure Network connectivity and security (may involve some after hours and weekend work)
Understanding of z/OS networking services, structure and related software and protocols.
Understanding of network security disciplines (IPSec, TLS/SSL, certificates, etc) and how they relate to file transmission.
Ability to customize and manage secure SNA and TCP/IP networks under z/OS.
Knowledge of mainframe network management tools, e.g. Experience of managing mainframe printing products.
General z/OS systems programming experience.
Knowledge of System z ha

📌 Network Engineer (Madrid)
🏢 NTT DATA
📍 Madrid