Site Reliability Engineer (SRE) – Kubernetes & Cloud Infrastructure (f / m / d)

Join to apply for the Site Reliability Engineer (SRE) – Kubernetes & Cloud Infrastructure (f / m / d) role at IONOS

IONOS is the largest European provider of cloud infrastructure, cloud services, and hosting solutions . We offer you a long-term perspective in one of the most future-proof industries.

Our culture is defined by open structures, flat hierarchies, first-name terms, and a strong team spirit . We firmly believe that work and fun are compatible and provide the right environment for it.

Thanks to our continuous growth , we are looking for new colleagues to join us. Become part of IONOS and let’s grow together!

Your Role as a Site Reliability Engineer (SRE ) in the IONOS Applications team, you will be part of the technical backbone of critical platforms such as IONOS and STRATO Webmail , as well as other web services operated on our Kubernetes platform

You will work alongside experienced colleagues on the design of new resilient and high-performance services and products , even under extreme loads

Main Responsibilities

• Contribute to the evolution of product infrastructure, integrating new services and applications into our cloud and Kubernetes environment
• Ensure the stable and secure operation of our platform
• Perform in-depth analysis and optimization of distributed and highly scalable environments
• Drive automation using tools such as Terraform, GitLab CI / CD, and Argo CD, managing infrastructure declaratively and reproducibly
• Analyze and resolve complex issues in distributed systems, contributing to the continuous improvement of the platform
• Develop and maintain monitoring, logging, and alerting solutions (e.g., Prometheus, Grafana, ELK Stack) to proactively detect bottlenecks and sources of error
• Participate in on-call rotations, one week every 4 to 5 weeks
• Collaborate with product development teams to organize joint projects
• Manage incidents end-to-end : initial analysis, ticket creation, resolution, and follow-up through Problem Management
• Have access to up to one day per week for learning and continuous training

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