Mainframe Support Consultant (IBM z/OS) with German

Who we are

We are a Mainframe Application Support team working with business-critical enterprise systems and international customers. Our focus is on reliable operations, effective incident resolution and continuous improvement.

We are looking for a Mainframe Support Consultant with foundational mainframe knowledge who wants to further develop their expertise in enterprise mainframe operations and technologies such as IBM z/OS, GDPS and System Automation. You will work alongside experienced colleagues and customer teams, building deeper technical expertise through Knowledge Transfer and hands-on experience. Fluent German is essential, as customer communication and technical and operational discussions will primarily take place in German.

What you'll be doing

• Provide operational support for IBM mainframe environments based on documented procedures and runbooks.
• Monitor systems, identify alerts and incidents, and perform initial analysis and troubleshooting.
• Handle and document incidents, service requests and operational activities.
• Execute standard operational procedures and predefined recovery actions.
• Escalate complex incidents to senior or third-level support teams when required.
• Support mainframe technologies and environments involving IBM GDPS, System Automation, SAN and storage infrastructure.
• Participate in Knowledge Transfer, shadowing and reverse-shadowing sessions to build project-specific technical knowledge.
• Maintain and improve operational documentation and runbooks.
• Communicate with customer representatives and internal technical teams in German and English.
• Participate in a shift-based support model, including early, late and/or night shifts, with on-call activities after completing the required training and onboarding.

What you'll bring along

• Fluent German skills, both spoken and written.
• Good English communication skills.
• Foundational knowledge of IBM mainframe environments, ideally z/OS, or initial hands-on experience in mainframe operations/support.
• Good understanding of IT infrastructure, IT operations or enterprise systems.
• Basic understanding of incident management and troubleshooting principles.
• Ability to follow technical procedures and work with structured documentation.
• Strong interest in developing expertise in specialized mainframe technologies such as GDPS, System Automation and enterprise storage.
• Willingness to work in shifts and participate in on-call activities after the onboarding period.
• Structured, reliable and service-oriented way of working, with good communication and teamwork skills.