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Mainframe Administrator ( REF5422C)

Company

Deutsche Telekom IT Solutions HU

Location

Debrecen, Hajdu-Bihar

Posted

June 16, 2026

Position Overview

Job Description

  • Provide high-level (2nd and 3rd level) support and maintenance for a Mainframe-based application, ensuring maximum uptime and performance.
  • Conduct troubleshooting and root cause analysis, implementing solutions to ensure system reliability and availability.
  • Manage incidents, change requests, and maintain system performance and stability in collaboration with the maintenance team.
  • Perform regular checks and preventive maintenance tasks.
  • Collaborate closely with the development team to implement long-term solutions and improvements.

    • Qualifications

  • Senior experience in Mainframe environments, particularly in application maintenance and operational support.
  • Strong ticket handling skills
  • Excellent analytical and problem-solving skills.
  • Proficiency in the German language for daily communication and documentation.

    • Preferred Skills:

  • Strong track recor...

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