Staff Network Engineer (AI Infrastructure)

The role

You will build automation logic to provision and configure NVIDIA switches and InfiniBand fabrics. You will design control loops for network configuration management and build gateway and load balancing layers for tenant clusters.

What you will do

• Design and build systems to automatically provision and configure NVIDIA switches and InfiniBand fabrics.
• Build the control loop to keep switch, VLAN, and VXLAN state consistent and reconcile drift.
• Build the gateway and load balancing layer for tenant clusters.
• Define network layer behavior at large scale including BGP route table limits, convergence, and failover.
• Run automation on real AI Cloud environments to turn operational lessons into product behavior.
• Decide what to build versus integrate with partner solutions.
• Write design and requirements docs.
• Set standards for how networking works across vCluster products.

Required qualifications

• Shipped software that configures switches, routers, or load balancers programmatically.
• Hands-on work with NVIDIA UFM, NVIDIA Spectrum or Quantum switches, Cumulus Linux, or NVUE.
• Programming against NVIDIA APIs.
• Strong command of InfiniBand, VLAN, VXLAN and EVPN, and BGP.
• Experience running networks at production scale.
• Write production code in Go or Python.
• Use version control and code review.

Nice to have

• Experience tuning fabrics for GPU training or inference workloads, such as RoCEv2, congestion control, rail-optimized topologies, or Spectrum-X.
• Experience building network automation at a GPU cloud, hyperscaler, or large CDN.
• Experience building L4 load balancers or NAT gateways, including with eBPF/XDP or DPDK.
• Contributions to networking or Kubernetes projects such as SONiC, FRRouting, Cilium, or MetalLB.

Benefits

• Competitive Salary including equity.
• Health, dental, vision, and life Insurance.
• Flexible Working Schedule.
• Workplace Flexibility.

About the company

vCluster Labs is a venture-backed startup and the #1 platform for AI infrastructure. They provide a hyperscaler-like experience on GPU infrastructure and are the company behind the open source technology vCluster.