Troubleshooting OS-level, kernel, and package-related issues
Debugging of custom image builds and runtime behavior
Recommendations for performance tuning and hardening
B. KVM Virtualization Stack (Cloud Hypervisor, QEMU, and Libvirt)
Configuration and integration of KVM-based virtualization environments
Analysis and resolution of hypervisor or VM-level issues
Performance optimization for compute, networking, and storage layers
Debugging and tuning Cloud Hypervisor and Libvirt configurations
C. Gardener Kubernetes Platform
Troubleshooting Gardener control plane and shoot cluster incidents
Root cause analysis for provisioning, scaling, and upgrade failures
Configuration review and optimization
Integration support between Gardener, Gardenlinux, and KVM-based nodes
Skills:
A. Gardenlinux Expertise
Engineers assigned to Gardenlinux-related support must possess:
In-depth knowledge of Debian-based Linux systems and kernel configuration
Experience with Gardenlinux image customization and build pipelines
Strong skills in package management, systemd, and OS hardening
Proficiency in debugging performance, boot, and kernel-level issues
Familiarity with CI/CD integration for OS image deployment and maintenance
B. KVM / Virtualization Expertise
Engineers providing KVM and virtualization support must have:
Advanced understanding of KVM, QEMU, and Libvirt architecture
Experience configuring and troubleshooting Cloud Hypervisor environments
Deep understanding of virtualization networking (bridges, VLANs, SDN) and storage (NFS)
Knowledge of hardware virtualization and NUMA alignment
Scripting skills for automation (Golang, Python, Bash)
Experience with host performance tuning and low-level debugging
C. Gardener Kubernetes Expertise
Engineers supporting Gardener Kubernetes must demonstrate:
Expert understanding of Kubernetes internals (control plane, networking, scheduling)
Hands-on experience with Gardener architecture, shoot and seed cluster management
Familiarity with cluster lifecycle management, upgrades, and node troubleshooting
Strong knowledge of observability tools (Prometheus, Perses)
Ability to conduct root cause analysis and contribute to post-mortem reviews
Deliverables
Incident Troubleshooting Reports: Detailed technical documentation per incident
Root Cause Analysis (RCA) Reports: Formal RCA for P1/P2 incidents
Troubleshooting OS-level, kernel, and package-related issues
Debugging of custom image builds and runtime behavior
Recommendations for performance tuning and hardening
B. KVM Virtualization Stack (Cloud Hypervisor, QEMU, and Libvirt)
Configuration and integration of KVM-based virtualization environments
Analysis and resolution of hypervisor or VM-level issues
Performance optimization for compute, networking, and storage layers
Debugging and tuning Cloud Hypervisor and Libvirt configurations
C. Gardener Kubernetes Platform
Troubleshooting Gardener control plane and shoot cluster incidents
Root cause analysis for provisioning, scaling, and upgrade failures
Configuration review and optimization
Integration support between Gardener, Gardenlinux, and KVM-based nodes
Skills:
A. Gardenlinux Expertise
Engineers assigned to Gardenlinux-related support must possess:
In-depth knowledge of Debian-based Linux systems and kernel configuration
Experience with Gardenlinux image customization and build pipelines
Strong skills in package management, systemd, and OS hardening
Proficiency in debugging performance, boot, and kernel-level issues
Familiarity with CI/CD integration for OS image deployment and maintenance
B. KVM / Virtualization Expertise
Engineers providing KVM and virtualization support must have:
Advanced understanding of KVM, QEMU, and Libvirt architecture
Experience configuring and troubleshooting Cloud Hypervisor environments
Deep understanding of virtualization networking (bridges, VLANs, SDN) and storage (NFS)
Knowledge of hardware virtualization and NUMA alignment
Scripting skills for automation (Golang, Python, Bash)
Experience with host performance tuning and low-level debugging
C. Gardener Kubernetes Expertise
Engineers supporting Gardener Kubernetes must demonstrate:
Expert understanding of Kubernetes internals (control plane, networking, scheduling)
Hands-on experience with Gardener architecture, shoot and seed cluster management
Familiarity with cluster lifecycle management, upgrades, and node troubleshooting
Strong knowledge of observability tools (Prometheus, Perses)
Ability to conduct root cause analysis and contribute to post-mortem reviews
Deliverables
Incident Troubleshooting Reports: Detailed technical documentation per incident
Root Cause Analysis (RCA) Reports: Formal RCA for P1/P2 incidents