Position Description:

We are looking for a highly experienced Mainframe SME with strong expertise in Ratabase-based applications, integration, and modernization initiatives. The role involves end-to-end ownership of multiple business-critical applications across Mainframe (z/OS) and AS platforms within a complex, high-scale environment.
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Your future duties and responsibilities:

Responsibilities:
• Own and manage 22+ Mainframe applications end-to-end, including interdependencies, shared components, and coordinated release cycles
• Handle complete lifecycle: Design, development, database setup, build, testing, documentation, deployment, and production support
• Develop and maintain Ratabase-based applications including utilities and multiple application variants across architectures:
o IMS Batch / IMS Online
o CICS
o COBOL (Batch/ Online)
o DB2
o XML-based in...