Site Reliability Engineer (f/m/d)

We are looking for a Site Reliability Engineer (SRE) in the IONOS Applications team

Tasks

• 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 platforms.
• Perform in-depth analysis and optimization of distributed and highly scalable environments.
• Drive automation using tools such as Terraform, GitLab CI/CD, and ArgoCD, 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.

Expectations

• Several years of experience as an SRE or in similar roles (Linux System Administrator, DevOps Engineer, Platform Engineer, Full Stack Developer).
• Advanced expertise in Linux, container technologies, and especially Kubernetes.
• Experience with Infrastructure as Code (preferably Terraform), CI/CD pipelines (GitLab CI/CD, GitHub Actions), and Helm charts.
• Proficiency in at least one programming or scripting language (Go, Python, Bash) for automation and monitoring tasks.
• Experience in operating and troubleshooting high-availability production environments.
• Knowledge of monitoring, alerting, and log analysis for distributed applications (Prometheus, Grafana, FluentD, ELK, VictoriaMetrics, Icinga).
• A proactive, solution-oriented, and independent working style, with the ability to systematically analyze and sustainably resolve technical problems.
• Good command of English (spoken and written).

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