Mainframe Administrator ( REF5422C)

Deutsche Telekom IT Solutions HU

Full-time Computer Occupations
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Location
Debrecen, Hajdu-Bihar, Hungary
Posted
June 21, 2026

Job Description

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...

    • Job Details

    • Job Type
      Full-time
    • Category
      Computer Occupations
    • Date Posted
      June 21, 2026
    • Application Deadline
      July 31, 2026