IT Application Manager | IT Application Manager*in (m/w/d/-) - congstar GmbH

Deutsche Telekom AG

Bonn, Nordrhein-Westfalen, Deutschland

Published Apr 13, 2026

Full-time

No information

Job Summary

As an IT Application Manager at congstar, you will join a dynamic IT Operations team responsible for ensuring the stability and performance of core telecommunications systems. Your day-to-day responsibilities involve monitoring system health, collaborating directly with developers in a DevOps environment to optimize performance, and automating repetitive tasks to enhance efficiency. You will actively manage Java-based applications and Oracle databases while driving the evolution of the monitoring landscape. This role is ideal for a proactive professional who enjoys technical problem-solving and hands-on system management. The position is highly attractive due to its hybrid work model (up to 70% remote), 'workation' options across the EU, and a culture that blends the agility of a startup with the stability of the Deutsche Telekom Group. Candidates can expect a supportive environment focused on mental health, professional growth, and a flexible approach to compensation and vacation time.

Required Skills

Education

Degree with an IT focus (e.g., Computer Science) or a comparable vocational training/qualification.

Experience

Several years of professional experience in an IT environment
Practical experience in the operation and management of Java and web applications
Demonstrated experience in system monitoring and performance optimization
Experience in automating recurring IT tasks and developing internal tools
Proven track record working with Linux environments and SQL databases

Languages

Not specified

Additional

The role supports a hybrid work model with up to 70% remote work. Candidates have the option to work up to 20 days per year from other EU countries (Workation). This position is available as both full-time and part-time.