> Markdown version of [/jobs/ext/3046394-linux-infrastructure-engineer-nis](https://www.wearedevelopers.com/jobs/ext/3046394-linux-infrastructure-engineer-nis). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux Infrastructure Engineer NIS - **Company:** FREQUENTIS COMSOFT GmbH - **Location:** Karlsruhe, Germany - **Contract:** Permanent contract - **Skills:** Cyber Security, Computer Programming, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Python (Programming Language), Nginx, Red Hat Enterprise Linux, Security Information and Event Management, Virtualization Technology, Software Vulnerability Management, Okta, Information Technology - **Published:** September 24, 2026 - **Apply:** https://www.stepstone.de/%5C%22https://jobs.frequentis.com/careers/ApplicationMethods?jobId=3669&source=stepstone.de&utm_source=stepstone%5C%22 ## About the Role * Degree in Computer Science, IT, or a comparable qualification * Several years of professional experience with Linux systems, ideally Red Hat Enterprise Linux (RHEL) * Broad technical understanding of IT infrastructure and system administration * Experience with networking, virtualization, and common infrastructure services * Basic to good programming skills in Python and an interest in automation * Knowledge of IT security, vulnerability management, and SIEM solutions * Structured, analytical, and solution-oriented working style * Good communication skills and a confident approach to working with internal and external stakeholders * Good command of written and spoken English ## Description * Set up and maintain services such as DNS, DHCP, NGINX, and Keycloak * Develop small automation solutions and scripts using Python * Support vulnerability management and technical security activities * Maintain and support SIEM solutions and contribute to security monitoring * Collaborate closely with product development, System Engineers, and customer project teams ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Post-Quantum Cryptography: Preparing for Q-Day](https://www.wearedevelopers.com/videos/100179-post-quantum-cryptography-preparing-for-q-day) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Streaming AI Responses in Real-Time with SSE in Next.js & NestJS](https://www.wearedevelopers.com/videos/1630-streaming-ai-responses-in-real-time-with-sse-in-next-js-nestjs) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [IT Salaries in Germany](https://www.wearedevelopers.com/magazine/287-it-salaries-in-germany) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [IT Salaries in Austria](https://www.wearedevelopers.com/magazine/286-it-salaries-in-austria)