Site Reliability Engineer (f/m/d) Application Hosting/TOSAAS

At IONOS, you will work in partnership with various teams at Europe's leading provider of cloud infrastructure, cloud services, and hosting services. We offer you prospects in one of the most future-proof industries. We are characterized by open working structures, an informal culture, and flat hierarchies with unparalleled team spirit. We firmly believe that work and fun are compatible and offer you the right environment for this. With constant growth, we are always looking for new colleagues. Become part of IONOS and let's grow together.
As a Site Reliability Engineer (SRE) in our Application Hosting Team, you will form the technical backbone of our product platform for Managed Nextcloud, IONOS GPT, and other web services that we operate on our Kubernetes platform. Together with experienced colleagues, you will design new services and products that remain high-performing and fail-safe even under the highest loads.

Tasks

• Your main area of responsibility will be the further development of our product infrastructure and the integration of new products/web services into our Kubernetes and cloud infrastructure.
• You will be responsible for the stable and secure operation of our product platform. Your expertise will be in demand when it comes to in-depth analysis and optimization of our primarily containerized and Kubernetes-based application infrastructure.
• You live and breathe automation. Using tools such as Terraform, Gitlab CI/CD, and ArgoCD, you will provision and manage our entire infrastructure in a declarative and reproducible manner.
• You analyze and resolve complex problems in a distributed system landscape and work on the continuous improvement of our platform.
• You develop and maintain our monitoring, logging, and alerting solution (e.g., with Prometheus, Grafana, ELK Stack) to proactively identify bottlenecks and sources of error.

Qualifications

• You have several years of experience as a Site Reliability Engineer or in a related role (Linux System Administrator, Platform Engineer, DevOps Engineer, Full Stack Developer) in a Linux and Kubernetes environment.
• You have very good knowledge and several years of experience in using the Linux operating system, container technologies, and specifically Kubernetes.
• You have experience with Infrastructure as Code (preferably Terraform), CI/CD pipelines (e.g., GitLab CI/CD or GitHub Actions), and in the use and application of Helm Charts.
• You are confident in developing in at least one programming or scripting language (e.g., Go, Python, Bash) to solve automation and monitoring tasks.
• Experience with operating and troubleshooting highly available and distributed production environments, including monitoring, alerting, and log analysis of distributed applications (e.g., Prometheus, Grafana, FluentD, ELK, VictoriaMetrics, icinga).
• You have a proactive, solution-oriented, independent way of working and the ability to systematically analyze and sustainably resolve complex technical problems.

Language: Good German and English skills are required.
Location: Berlin or Karlsruhe.

Benefits

• Hybrid working model.
• Flexible working hours through trust-based working hours.
• At some locations a subsidized canteen and various free drinks.
• Modern office space with very good transport connections.
• Various employee discounts for activities and products.
• Employee events such as summer and winter parties, as well as workshops.
• Numerous training and development opportunities.
• Various health offers, such as sports and health courses.