> Markdown version of [/jobs/ext/3058777-mainframe-z-os-integration-engineer](https://www.wearedevelopers.com/jobs/ext/3058777-mainframe-z-os-integration-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Mainframe Z/Os Integration Engineer

- **Company:** NTT DATA
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Customer Information Control System (CICS), IBM DB2, IBM WebSphere MQ, Mainframes, Z/OS
- **Published:** September 25, 2026
- **Apply:** https://www.buscojobs.com.es/mainframe-z-os-integration-engineer-en-barcelona-ID-373597747

## About the Role

You will leverage IBM MQ, CICS, DB2 and API-enabled services to deliver secure, resilient integrations while collaborating with a global engineering team.Strong troubleshooting and documentation skills are essential.
#J-*****-Ljbffr

## Description

NTT DATA in Barcelona seeks an IBM z/OS Integration Engineer to design, configure, and support enterprise integrations connecting distributed applications with core banking services on IBM z/OS.You will leverage IBM MQ, CICS, DB2 and API-enabled services to deliver secure, resilient integrations while collaborating with a global engineering team.Strong troubleshooting and documentation skills are essential.#J-*****-Ljbffr


## Related Videos

- [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization)
- [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure)
- [Cloud as the new mainframe: why the cloud hype does not reflect the dev reality](https://www.wearedevelopers.com/videos/797-cloud-as-the-new-mainframe-why-the-cloud-hype-does-not-reflect-the-dev-reality)
- [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option)
- [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob)
- [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025)