About this role
IONOS Cloud offers NFS as a managed service, and you develop and maintain it. The product is highly available and redundant, so customer data stays accessible even when a component fails. It runs on Kubernetes and is written mostly in Go.Tasks- Develop and maintain the NFS product for IONOS Cloud.- Build and extend Kubernetes Operators that manage the product's lifecycle.- Design and implement features that keep the service highly available and redundant, including failover.- Improve the product's reliability and replication.- Analyze and resolve complex issues in a highly available, distributed storage setup.- Migrate from legacy components step by step, without breaking existing customers.
- Qualifications- Expert Go skills and several years of professional development experience.- Experience developing Kubernetes Operators.- Solid knowledge of NFS and SMB/CIFS, plus experience with ZFS and DRBD.- Experience building highly available, redundant systems, including replication, failover and distributed-systems fundamentals (idempotency, retries, consistency, failure handling).- Deep knowledge of Linux, including the kernel, and experience with LinuxKit and VMs (libvirt, QEMU, cloud-init).- Fluency with Git, Docker, shell and CI/CD, including GitOps workflows (for example ArgoCD).- Experience with observability tools (Prometheus, Grafana) to monitor availability and troubleshoot issues.- Daily use of AI coding assistants (for example Claude) in your development work.- Strong analytical and problem-solving skills and a structured, independent way of working in a team.- Willingness to undergo a security clearance (SÜ-2).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.