Freelance CAD Engineer training AI agents in real CAD environments by designing part geometry and evaluating solutions. Supporting CFD engineers with simulation - ready geometry for a global platform.
About the role
- Staff Network Engineer automating NVIDIA and InfiniBand fabrics for vCluster Labs. Building networking control loops, gateways, and load balancing for AI cloud GPU infrastructure.
Responsibilities
- Design and build systems that automatically provision and configure NVIDIA switches and InfiniBand fabrics, including NVIDIA UFM integration
- Build network configuration control loops that keep switch, VLAN, and VXLAN state consistent, detect drift, and safely reconcile it in production
- Build NAT gateway and L4 load-balancing layers with failover
- Define network-layer behavior at scale, including BGP route-table limits, convergence, failover, and infrastructure failures
- Run automation on real AI Cloud environments and turn operational lessons into product behavior
- Decide what to build versus integrate with partner solutions
- Write design and requirements documents
- Set networking standards across vCluster products
- Collaborate with the CTO and a small R&D group, growing into ownership of the networking area
Requirements
- Experience building network automation that programmatically configures switches, routers, or load balancers
- Hands-on experience with NVIDIA UFM, NVIDIA Spectrum or Quantum switches, Cumulus Linux, or NVUE, including programming against their APIs
- Strong command of InfiniBand, VLAN, VXLAN, EVPN, and BGP
- Experience running networks at real production scale and fixing root causes with automation
- Production coding experience in Go or Python
- Use of version control and code review
- Experience tuning fabrics for GPU training or inference workloads, such as RoCEv2, congestion control, rail-optimized topologies, or Spectrum-X
- Experience 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 open-source projects such as SONiC, FRRouting, Cilium, or MetalLB
- Authorization to work in the US for vCluster Labs
Benefits
- Equity
- Bonus
- Health, dental, vision, and life insurance for you and eligible dependents
- Flexible working schedule
- Workplace flexibility
- Remote-first culture
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