Strong C programming skills
Linux boot-time analysis and optimization, especially for Dom0 / Host OS in Virtualized environment
Strong understanding of Linux boot flow: bootloader, kernel init, initramfs, systemd
image, recipe, and systemd optimization
Virtualization experience: Xen (Dom0 preferred) or KVM / QNX Hypervisor
Kernel-level debugging and performance tuning
Experience with power & performance optimization (cold boot, warm boot, S0ix/S2RAM)