Graphcore
Principal Network Engineer
Milpitas, California, United States +1 · Principal · Full-time · Posted May 22, 2026
- Location
- Milpitas, California, United States
Austin, Texas, United States - Experience
- 9+ years in network engineering and 3+ years supporting networking on AI or Hyperscale Datacenters.
- Education
- Bachelor’s, master’s degree or equivalent experience in Network Engineering/Security, Information Technology, Computer Science, Computer engineering, or a related field.
About the job
Maintains, supports, and troubleshoots high-performance network fabrics and topologies in AI data centers, collaborating with architecture teams from design through deployment.
What you'll do
- Maintain AI data center network fabrics and topologies for peak performance; support deployed internal fabrics.
- Collaborate with network architects across the design and development lifecycle, from concept to deployment.
- Triage and escalate hardware, link, performance, and topology issues, including customer fabrics aligned to the reference architecture.
What they ask for
- Bachelor’s, master’s degree or equivalent experience in a related field.
- 9+ years of hands-on network engineering experience and 3+ years supporting networking on AI or Hyperscale Datacenters.
- Knowledge of RDMA implementations, specifically ROCEv2 or InfiniBand, and lossless networking, including congestion control.
- Experience with 400G/800G networks, CLOS networks, and troubleshooting BGP, OSPF, and VXLAN.
Nice to have
- NetDevOps and automation experience with Terraform or Ansible; scripting with Python, Go, or JSON.
- Experience with named network hardware providers and advanced telemetry protocols.
Tools
RDMA, ROCEv2, InfiniBand, PDF, ECN, DCQCN, BGP, OSPF
AI focus
Supports and optimizes network fabrics for AI data centers and high-density GPU clusters; no AI model development is stated.
Model-written summary · the original posting is authoritative