Site Reliability Engineer Kubernetes Platform (m/f/x)
as of now
Permanent role
Fulltime (40 h/week)
100% remote throughout Germany or based in Berlin
Your Mission
As part of our Managed Kubernetes team, you shape the scalability and stable operation of our platform. You consistently view infrastructure as a software engineering task, from server provisioning to the development of K8s operators. With a strong operational focus, you continuously drive the automation, stability, and scaling of our open source infrastructure.
Details
Your responsibilities:
- Ensuring the stable operation of our Kubernetes SaaS platform with hundreds of active clusters, including incident mitigation
- Translating complex system architectures into code (30 to 40%) with a software development component in Go, Terraform, Ansible, and Bash
- Developing and automating infrastructure components, from server provisioning to K8s operators
- Optimizing and operationally supporting the observability platform for the managed service infrastructure (Prometheus, Loki, Mimir)
- Performing release management, continuously improving CI/CD pipelines (GitLab), and troubleshooting in 2nd and 3rd level support
- Participating in on-call duty after a successful probationary period
What you have to bring on board:
- Solid practical experience in operating, troubleshooting, and scaling highly available Kubernetes clusters in production environments
- In-depth knowledge of Linux system administration and a solid understanding of network layer 3/4 (Routing, NAT) and layer 7 protocols
- Practical development experience in system languages like Go and confident use of common automation tools like Terraform, Ansible, and Helm
- Experience in building and operating observability stacks (Prometheus, Loki, Mimir) and handling common CI/CD practices
- Understanding of internal Kubernetes mechanisms (etcd, apiserver, kubelet)
- German or English skills at least on a B2 level
What to expect at SysEleven:
You will join a genuine tech team with deeply rooted open source DNA where the best technical solution wins, regardless of hierarchies. We place the highest value on technological excellence, a strong practical mindset, and direct, uncomplicated knowledge sharing as equals. Short decision paths give you the necessary freedom to contribute your own ideas, take responsibility, and actively use open source technologies all the way down to deep platform development.
Sounds interesting?
Then I look forward to hearing from you:
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