Site Reliability Engineer (m/f/d)

At IONOS, you will work in partnership with various teams at the leading European provider of cloud infrastructure, cloud services, and hosting services. We offer you a perspective in one of the most future-proof industries. We are characterized by open work structures, a "you" culture, and flat hierarchies with unparalleled team spirit. We are firmly convinced that work and fun are compatible and offer you the right environment for this. With constant growth, we are always looking for new team members. 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, Nextcloud Workspace, 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 performant and fault-tolerant even under the highest load.

Areas of Responsibility

• Your primary area of deployment is the further development of the infrastructure/platform of our products, as well as the integration of new products/web services into our Kubernetes and cloud infrastructure.
• You are responsible for the stable and secure operation of our product platform. Your expertise is in demand when it comes to in-depth analysis and optimization of our primarily containerized and Kubernetes-based application infrastructure.
• You live automation. With tools like Terraform, Gitlab CI/CD, and ArgoCD, you provision and manage our entire infrastructure declaratively and reproducibly.
• 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 error sources.

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.
• 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 can confidently develop in at least one programming or scripting language (e.g., Go, Python, Bash) to solve automation and monitoring tasks and may have already gained initial experience in building operators.
• Experience with the operation and troubleshooting of 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, and independent way of working and the ability to systematically analyze and sustainably resolve complex technical problems.
• Good German and English language skills are required.

Benefits

• Hybrid work model.
• Flexible working hours through trust-based working time.
• Subsidized canteen and various free drinks at some locations.
• Modern office spaces with excellent transport links.
• Various employee discounts for activities and products.
• Employee events such as summer and winter parties, as well as workshops.
• Numerous further training and development opportunities.
• Various health offers, such as sports and health courses.

About IONOS

IONOS is the leading European digitalization partner for small and medium-sized enterprises (SMEs). IONOS has more than six million customers and is active in 18 markets in Europe and North America with a globally available platform. With its Web Presence & Productivity offerings, the company acts as a "one-stop shop" for all digitalization needs - from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, IONOS offers cloud solutions for companies that want to move to the cloud as part of their business development.

We value diversity and welcome all applications – regardless of gender, nationality, ethnic and social origin, religion, disability, age, sexual orientation and identity, physical characteristics, marital status, or any other criterion irrelevant to the application under applicable law.

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