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# IT - Mainframe Experte - Assembler

- **Company:** HIBA e.V.
- **Location:** Bonn, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €58,500.0 - €84,500.0
- **Contract:** Permanent contract
- **Skills:** Assembly Language, COBOL (Programming Language), IBM DB2, Software Debugging, VSE (Operating System), Job Control Language (JCL), Rexx (Programming Language), Mainframes, Systems Architecture, Z/OS, Information Technology, Ibm Z/vm
- **Published:** July 12, 2026
- **Apply:** https://www.xing.com/jobs/bonn-it-mainframe-experte-assembler-156133667

## About the Role

* Abgeschlossenes Studium in Informatik, Wirtschaftsinformatik oder vergleichbare Qualifikation
 * Mehrjährige Erfahrung in der Mainframe-Entwicklung mit Assembler (IBM z/OS, z/VM, z/VSE)
 * Kenntnisse in COBOL, JCL, REXX, DB2, IMS von Vorteil
 * Erfahrung mit Performance-Analysen, Debugging und Mainframe-Monitoring-Tools
 * Strukturierte und analytische Arbeitsweise
 * Teamfähigkeit und Kommunikationsstärke
 * Sehr gute Deutsch- und Englischkenntnisse

## Description

* Entwicklung, Wartung und Optimierung von Mainframe-Anwendungen mit Assembler
 * Performance-Analyse und -Optimierung bestehender Mainframe-Prozesse
 * Fehleranalyse, Troubleshooting und Second-/Third-Level-Support für Mainframe-Anwendungen
 * Unterstützung bei der Migration und Modernisierung bestehender Legacy-Systeme
 * Entwicklung und Anpassung von Schnittstellen zu anderen IT-Systemen
 * Dokumentation von Entwicklungen, Prozessen und Systemarchitekturen
 * Zusammenarbeit mit internen und externen Stakeholdern zur Umsetzung technischer Anforderungen


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