(Senior) Linux Systems Engineer - Persistent

ABOUT UTIMACO

Utimaco is a worldwide supplier of professional cyber-security solutions and is based in Aachen, Germany. Since 1983, Utimaco develops hardware security modules and compliance solutions for telecommunication provider regulations. Utimaco is a world-market leader in both segments. Customers and parters of Utimaco in all parts of the world trust the company's long-term, proven reliability and investments protection, as well as its many certified IT security standards. Utimaco stands for recognizes product quality, user-friendly software, excellent support and trusted high security-made in Germany. 

To further strengthen our Corporate Unit we are looking for a:   (Senior) Linux Systems Engineer - Persistent

Your tasks:

  • Administer and optimize Enterprise Linux systems across global data centers, ensuring uptime, performance, and adherence to security best practices (e.g., SELinux, firewallD, OpenSCAP).
  • Deploy, configure, and maintain Linux-based applications such as HAProxy, NGINX, and other critical services, focusing on high-availability, scalability, and performance optimization.
  • Design, implement, and operate monitoring and logging solutions using Prometheus, Sensu, OpsGenie, Grafana, and Loki to ensure visibility, proactive alerting, and rapid incident resolution.
  • Drive automation with Infrastructure as Code (IaC) using Ansible to enable repeatable, reliable, and scalable deployments and configurations.
  • Manage Identity Management solutions like FreeIPA and integrate them securely into the infrastructure, supporting authentication and access control across services.
  • Assist in operating containerized workloads (Docker/Podman) and Kubernetes environments as part of a broader infrastructure strategy

Your profile:

  • Solid, hands-on expertise in Linux system administration (RHEL-based and Debian-based), including troubleshooting, tuning, and lifecycle management — this is the foundation of the role.
  • Proven experience with Linux application services such as HAProxy and NGINX, including high-availability design and performance tuning.
  • Practical experience with centralized monitoring and logging tools (Prometheus, Grafana Loki, Sensu, OpsGenie) in production environments.
  • Strong skills in automation using Ansible and familiarity with Infrastructure as Code principles.
  • Knowledge of Linux security and compliance frameworks (SELinux, firewallD, OpenSCAP) and distributed failover/high-availability strategies.
  • Fluent English communication skills (written & spoken) with the ability to document clearly, collaborate effectively, and solve complex problems

We offer you:

DO YOU FEEL ADDRESSED?

Then we look forward to receiving your detailed application stating your earliest possible starting date and your salary expectations.

Apply