Independent analysis and resolution of errors in various applications on Windows and Linux servers
Evaluation and interpretation of event logs, log files, and system messages
Conducting and analyzing network traces (e.g., with Wireshark) to identify performance or communication issues
Close collaboration with business units, developers, and external partners to determine the root causes of complex incidents
Planning and performing maintenance tasks such as patching, certificate replacement, or configuration adjustments
Maintaining and documenting system environments and troubleshooting processes
Active participation in the development and automation of infrastructure and monitoring solutions
Supporting the rollout 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)
Practical 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 language skills and good English skills
For work within the German public sector, a security clearance according to SÜ1 or SÜ2 is required. Willingness to undergo this process is expected.

Job security – 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 and modern offices with ergonomic workstations
Health bonus – subsidies for work glasses, bike leasing, regular vitamins, and support for sports programs
Beat the traffic – Deutschlandticket for €37
Successful onboarding – with personal, professional onboarding and feel-good management
Growth – we plan your career development together and support you with free training opportunities
You're important to us – with various benefits, company breakfasts, celebrations, and team events to promote enjoyment and cohesion, we ensure your satisfaction
Approachable – high appreciation and short communication and decision-making paths
In the heart of the city – office with good public transport links and really (!!!) great coffee

Senior IT Systems Engineer – All Genders

Key skills