> Markdown version of [/jobs/ext/2013102-senior-mainframe-engineer-cobol-db2-z-os-hybrid-madrid](https://www.wearedevelopers.com/jobs/ext/2013102-senior-mainframe-engineer-cobol-db2-z-os-hybrid-madrid). 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). --- # Senior Mainframe Engineer - Cobol/Db2 Z/Os | Hybrid Madrid - **Company:** Zemsania - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** COBOL (Programming Language), Computer Engineering, IBM DB2, IBM Mainframe, Mainframes, Z/OS - **Published:** August 10, 2026 - **Apply:** https://www.buscojobs.com.es/senior-mainframe-engineer-cobol-db-2-z-os-hybrid-madrid-en-madrid-ID-366869803 ## About the Role Se exige al menos 5 años de experiencia, formación en Ingeniería Informática y inglés C1. ## Description Zemsania busca un Senior Mainframe Engineer para un cliente líder en Madrid.Consulte la descripción del puesto a continuación.Si confía en que tiene las habilidades y la experiencia adecuadas, envíe su solicitud hoy mismo.Se trabajará con COBOL, DB2 para z/OS, MQ e IMS/DCSQL, en entornos IBM Mainframe, con enfoque en rendimiento y operaciones.Se exige al menos 5 años de experiencia, formación en Ingeniería Informática y inglés C1.Se ofrece contrato estable, rotación horaria 6:*****:00 y guardias, con 2-3 días en oficina por semana.xcskxlj#J-*****-LjbffrHay opciones de teletrabajo/trabajo desde casa disponibles para este puesto. ## Related Videos - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [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) - [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) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)