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# Mainframe Network Engineer - Z/Os & Security

- **Company:** NTT DATA
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** System Configuration, Internet Protocol Security (IP SEC), Mainframes, Network Service, TCP/IP, Z/OS
- **Published:** September 20, 2026
- **Apply:** https://www.buscojobs.com.es/mainframe-network-engineer-z-os-security-en-barcelona-ID-371987351

## About the Role

The ideal candidate will have strong z/OS knowledge, experience with VTAM, TCPIP, IPSec/TLS, and familiarity with mainframe tools like NetMaster, TUBES, and Supersession.
collaborative, and able to work under pressure.
#J-*****-Ljbffr

## Description

NTT DATA is seeking a skilled z/OS Systems Specialist to join our mainframe networking team in Barcelona.You will handle configuring and maintaining the Mainframe's host communication subsystems, ensuring data and IP security, and supporting critical network services.The ideal candidate will have strong z/OS knowledge, experience with VTAM, TCPIP, IPSec/TLS, and familiarity with mainframe tools like NetMaster, TUBES, and Supersession.collaborative, and able to work under pressure.#J-*****-Ljbffr


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