Principal Network Engineer
On-site · Austin, Texas, United States or Milpitas, California, United States
Job Summary
Responsible for maintaining network fabrics in Graphcore Data Centers, collaborating with network architectures through design to deployment, and providing primary support for deployed internal fabrics in AI Datacenters. Escalation for hardware, link, and performance issues, triage of day-to-day network topologies, and support for customer fabrics aligned to reference architecture. Requires extensive experience with high-bandwidth network infrastructure, RDMA/InfiniBand, high-speed 400G/800G networks, Spine/Leaf/CLOS topologies, BGP/OSPF, VXLAN, and strong NetDevOps automation and scripting skills; also emphasizes cross-functional collaboration with various engineering teams and a commitment to inclusive, flexible work environments.
Required Qualifications
- Bachelor’s degree or Master’s degree in Network Engineering/Security, Information Technology, Computer Science, Computer engineering, or related field
- 9+ years of hands-on experience in network engineering and 3+ years supporting networking on AI or Hyperscale Datacenters
- Knowledge of RDMA and ROCEv2 or InfiniBand
- Knowledge of Lossless network – experience with congestion control and lossless Ethernet technologies including PDF, ECN and DCQCN
- Experience with 400G and 800G network fabrics in data centers
- Experience sustaining non-blocking, multi-tier CLOS networks (Spine/Leaf)
- Troubleshooting experience with BGP, OSPF, VXLAN
- Cross-functional collaboration with architects, hardware engineers, AI software engineers, and Datacenter infrastructure teams
- NetDevOps automation with Terraform or Ansible
- Scripting in Python, Go, or JSON
- Experience with Broadcom, Arista, Cisco, Pensando hardware
- Telemetry protocols (gNMI, Sflow, Netflow, Redfish, Prometheus)
Apply with one swipe on Sorce. We auto-fill applications and apply on your behalf — no cover letters, no 40-minute forms.
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.