> Markdown version of [/jobs/ext/2782511-tecnico-mainframe-especialista-jcl-cobol-e-incidencias](https://www.wearedevelopers.com/jobs/ext/2782511-tecnico-mainframe-especialista-jcl-cobol-e-incidencias). 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). --- # Técnico Mainframe: Especialista Jcl, Cobol E Incidencias - **Company:** Krell Consulting & Training - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** COBOL (Programming Language), Job Control Language (JCL), Mainframes - **Published:** September 7, 2026 - **Apply:** https://www.buscojobs.com.es/tecnico-mainframe-especialista-jcl-cobol-e-incidencias-en-madrid-ID-369415022 ## About the Role Se valora experiencia previa en bancos o entidades financieras y en entornos de producción críticos. ## Description Krell Consulting & Training, S.L. busca un técnico especialista en Mainframe para apoyar y mantener procesos basados en JCL.Se valorará experiencia en Cobol y BD2 Host, así como la interacción con equipos de desarrollo y la gestión de incidencias.El candidato deberá demostrar capacidad para preparar datos, revisar JCLs y contribuir a la resolución de incidencias.Se valora experiencia previa en bancos o entidades financieras y en entornos de producción críticos.#J-*****-Ljbffr ## Related Videos - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [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) - [The Human API: Designing Organizations for Judgment, Not Just Execution](https://www.wearedevelopers.com/videos/100213-the-human-api-designing-organizations-for-judgment-not-just-execution) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [When Humans Stop Writing Code: Rethinking Languages, Compilers, and Responsibility](https://www.wearedevelopers.com/videos/100105-when-humans-stop-writing-code-rethinking-languages-compilers-and-responsibility) ## 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) - [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette)