KTA, the competence and service centre of the Klaus Tschira Stiftung group, is hiring a Linux System Administrator in Heidelberg. You will run and develop Ubuntu server infrastructure, the company’s own AI servers and container platform, web servers with WAF and central logging, and a unified Linux client environment.
About KTA & Klaus Tschira Stiftung
Role of KTA: Central services: finance, controlling, HR, legal, facilities and IT
Users Served: Over 400 employees across the foundation group
Mission: Promoting natural sciences, mathematics and computer science
Contract: Permanent, full-time or part-time from 85%
Start: As soon as possible
Benefits & Career Growth
Time Off: 30 vacation days plus additional days off
Flexibility: Flexible hours and partial mobile working
Growth: Short decision paths, own responsibility and individual training
Extras: Subsidies for fitness, daycare, job ticket and bike leasing, pension, subsidised meals and free parking with EV charging
Position Overview
This Linux System Administrator role offers variety. You will own operation and development of Ubuntu-based Linux infrastructure, support users, clients and web agencies, manage AI server and container technology, automate processes with scripting, secure web servers and log management, and build a consistent Linux client environment.
Why This Role Matters: IT at a science-focused foundation supports meaningful work. You get broad infrastructure responsibility, modern topics like AI servers and containers, and a stable permanent role with flexible working.
Key Responsibilities
Linux Infrastructure
- Operate and develop Linux infrastructure on Ubuntu Server
- Build and maintain a consistent Linux client environment
AI & Containers
- Administer and develop the company’s AI server infrastructure
- Run and improve container technologies
Automation, Security & Support
- Automate processes and build interfaces with scripting
- Secure web servers, including WAF, and manage central logging
- Support internal users, customers and web agencies
Qualifications
Education
- Training or degree in IT or computer science, or comparable qualification with experience
Experience
- Several years in Linux environments, ideally Ubuntu, Apache, nginx, MySQL/MariaDB, PostgreSQL, PHP and BIND9
- Solid shell scripting and Python and IT process automation
- Knowledge of web security, especially WAF and OWASP
Essential Skills
- Experience with Ansible/n8n, log management, containers or VMware virtualisation; Linux certifications such as LPIC are an advantage
- Very good German, good English and a structured, reliable and independent way of working
About KTA & IT Careers in Heidelberg
KTA provides central services for the Klaus Tschira Stiftung group so that more than 400 employees can focus on promoting science, mathematics and computer science. Heidelberg is a well-known science and technology city in Baden-Württemberg.
Career Excellence: Run modern Linux and AI infrastructure for a science foundation in Heidelberg.
Who Should Apply?
System Engineers: Seeking a permanent role in Heidelberg
Linux Administrators: With Ubuntu and web server experience
DevOps Engineers: Who automate with Python and Ansible
IT Infrastructure Specialists: Interested in AI servers and containers
Web Security Engineers: With WAF and OWASP knowledge
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