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Senior/Virtualization Engineer
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-03-01
Listing for:
Fal
Full Time
position Listed on 2026-03-01
Job specializations:
-
IT/Tech
Systems Engineer, Cloud Computing, Network Engineer
Job Description & How to Apply Below
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 (strong
Swan, 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
- 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 (Metal
LB) - 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), Infini Band, 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
- Experience with SR-IOV, DPDK, or other high-performance networking technologies
- Experience with shared network storage (Ceph, Lustre, Weka)
- Experience with network automation tools (Netbox, Nautobot, Nornir)
- $,000 plus equity + benefits
- Interesting and challenging work
- A lot of learning and growth opportunities
- We are currently hiring in downtown San Francisco.
- We offer visa sponsorship and will help you relocate to San Francisco.
- Health, dental, and vision insurance (US)
- Regular team events and offsites
Position Requirements
10+ Years
work experience
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