Independent analysis and resolution of faults in various applications running on Windows and Linux servers
Evaluation and interpretation of event logs, log files, and system messages
Execution and analysis of network traces (e.g., with Wireshark) to identify performance or communication issues
Close collaboration with business units, developers, and external partners in root-cause analysis of complex incidents
Planning and execution of maintenance tasks such as patching, certificate replacement, or configuration adjustments
Maintenance and documentation of system environments and troubleshooting processes
Active participation in the development and automation of infrastructure and monitoring solutions
Support for the introduction of new systems and technical migration projects

Completed vocational training or degree in IT or equivalent professional experience
Strong understanding of IT infrastructures, particularly Windows and Linux servers (including services, networking, and protocols)
Hands-on experience in application troubleshooting and working with logs and trace tools
Knowledge of network protocols (TCP/IP, HTTP/S, DNS, SSL/TLS)
Confident handling of certificates, patch management, and automation (e.g., PowerShell, Bash)
Experience with monitoring and ticketing systems (e.g., Zabbix, CheckMK, Jira, USU)
Good communication skills and an analytical mindset
Independent, structured, and solution-oriented working style
Very good German skills, good English skills
For assignments within the German public authority environment a security clearance according to SÜ1 or SÜ2 is required. Willingness to undergo this procedure is expected.

Your secure future – a permanent employment contract
Maximum work-life balance – remote work up to 100% possible by arrangement
Flexibility – work from home or at one of our DATAGROUP locations
Top equipment – choice of technical equipment, modern offices with ergonomic workstations
Health bonus – subsidy for work glasses, bike leasing, regular vitamins and support for sports offerings
Beat the traffic – Deutschlandticket for €37
Get started successfully – with our personal and professional onboarding and feel-good management
Growth – we plan your professional development together and support you with free training opportunities
You matter to us – with various benefits, company breakfasts, celebrations and team events for fun and cohesion, we ensure your satisfaction
Approachable – high appreciation as well as short communication and decision-making paths
In the heart of the city – office with good public transport connections

Senior IT System Engineer

Key skills