Project Description

The project requires expert-level support and consulting across (Garden-)linux, KVM-based virtualization, and Kubernetes platform.

The goal is to ensure stable operations, advanced troubleshooting, root cause analysis, and continuous optimization across the full stack.

Scope of Task

The external contractor will independently take on the following tasks:

· Gardenlinux

· Configuration, deployment, and maintenance

· Troubleshooting OS/kernel/package issues

· Debugging custom image builds and runtime behavior

· Performance tuning and hardening

· KVM Virtualization (Core focus as KVM Developer)

· Setup and integration of KVM environments (Cloud Hypervisor, QEMU, Libvirt)

· Troubleshooting hypervisor and VM issues

· Performance optimization (compute, network, storage)

· Debugging and tuning configurations

· Gardener Kubernetes Platform

· Troubleshooting control plane & shoot clusters

· Root cause analysis for failures

· Configuration optimization

· Integration across stack

Skillset

· Strong expertise in KVM, QEMU, Libvirt (core requirement)

· Experience with Cloud Hypervisor environments

· Linux (Debian), kernel, systemd, OS hardening

· Kubernetes & Gardener knowledge

· Networking (VLAN, bridges, SDN) & storage (NFS)

· Scripting (Golang, Python, Bash)

· Observability (Prometheus, Perses)

Deliverables

· Incident & troubleshooting reports

· RCA (P1/P2)

· Configuration improvements

· Best practices

· Knowledge transfer