About the role
Job Application for Senior/Staff Virtualization Engineer at fal Back to jobs Senior/Staff Virtualization Engineer San Francisco Apply You build the custom compute environments we deliver to customers — bare metal or virtual machines with GPU passthrough, dedicated Kubernetes clusters, and the networking that ties them together. You work across the full stack from Linux image building to overlay network design to cluster bootstrapping. Key
responsibilities Build and deliver custom environments with excellent GPU performance for customer workloads Leverage AI to an extreme level to automate provisioning, alerting and recovery Provision and configure dedicated Kubernetes clusters tailored to customer
requirements Design and implement overlay networking (VLAN, VXLAN) and routing configurations (ECMP, BGP) and tunnels (strongSwan, IPSEC) for tenant isolation and performance Build and maintain Linux images Set up network monitoring and diagnostics for customer environments Automate the end-to-end lifecycle of customer compute environments: creation, configuration, validation, and teardown
Requirements 5+ years experience with Linux virtualization: KVM/QEMU, libvirt, VFIO device passthrough, hugepages, NUMA, CPU pinning Strong networking fundamentals: VXLAN, VLAN, ECMP, BGP, ARP, and the ability to debug packet-level issues (tcpdump, Wireshark) Production experience building and operating Kubernetes clusters on bare metal (MetalLB) Proficiency with Linux image building and OS provisioning (kickstart, cloud-init, PXE/iPXE) Proficiency in Python, Bash, Ansible and Terraform Deep experience with NVIDIA GPUs: drivers, MIG, container runtimes (nvidia-container-toolkit), InfiniBand, RDMA/RoCEv2 and GPUDirect for high-performance AI networking Excellent communication and ability to drive technical decisions across teams Self-starter who executes quickly, takes ownership, and constantly seeks improvement