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# Mainframe Z/Os Network Engineer

- **Company:** NTT Ltd.
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Data Integrity, Internet Protocol Security (IP SEC), Mainframes, TCP/IP, Z/OS
- **Published:** September 17, 2026
- **Apply:** https://www.buscojobs.com.es/mainframe-z-os-network-engineer-en-madrid-ID-371565164

## About the Role

Strong problem solving and collaboration with operations and applications will be essential.
#J-*****-Ljbffr

## Description

NTT DATA is seeking an experienced z/OS Systems Specialist to join our Madrid mainframe team.You will support the z/OS host communications subsystems and related products in a large-scale environment, ensuring security and data integrity across TCP/IP, VTAM, and IPsec policies.You will work in a multi-functional team, participate in 24x7 coverage, and coordinate changes via ITIL-aligned processes.Strong problem solving and collaboration with operations and applications will be essential.#J-*****-Ljbffr


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