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# Mainframe Network Engineer: Z/Os & Security

- **Company:** NTT DATA
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Internet Protocol, Network Security, Mainframes, Z/OS, File Transfer Protocol (FTP)
- **Published:** September 17, 2026
- **Apply:** https://www.buscojobs.com.es/mainframe-network-engineer-z-os-security-en-madrid-ID-372278742

## About the Role

You will configure and maintain security for the host subsystems and IP communications, and provide 24x7 support as part of a multi-functional team.The role requires extensive experience with Connect:Direct/FTP, z/OS networking, and network security.
Strong problem-solving and collaboration skills are essential to meet tight deadlines and complex environments.
#J-*****-Ljbffr

## Description

NTT DATA in Madrid is seeking a z/OS Systems Specialist to join a team supporting a large-scale mainframe network.You will configure and maintain security for the host subsystems and IP communications, and provide 24x7 support as part of a multi-functional team.The role requires extensive experience with Connect:Direct/FTP, z/OS networking, and network security.Strong problem-solving and collaboration skills are essential to meet tight deadlines and complex environments.#J-*****-Ljbffr


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