Principal Network Engineer

Graphcore - Milpitas, CA

Hiring: Principal Network Engineer Company: Graphcore Location: Milpitas, CA Job Posted Time: 2026-09-10 13:56:29 Employment Type: Remote Target Skills & Keywords : AI, Ansible, BGP, Microsoft Excel, Prometheus, Python, Terraform About the job Experience: •9+ years of hands-on experience in network engineering and 3+ years supporting networking on AI or Hyperscale Datacenters. Required Skills: •Lead and oversee the maintaining all the network fabrics and network topologies operating at peak performance on Graphcore Data centers housing AI server platforms. •Collaborate closely with our Network architecture team through all phases of the design and development lifecycle — from concept to deployment — ensuring timely, high-quality, and stable high-speed network fabrics. •Primary support of deployed internal fabrics in our AI Datacenters. •Direct escalation for Hardware, Link and, Performance issues on network fabrics. •Escalation support for customer network fabrics (aligned to reference arch.) •Triage day-to-day network topologies (scale-up, scale-out, and front-end networks) issues of Fabrics deployed in Graphcore Datacenters. Qualifications: •Bachelor’s, master’s degree or equivalent experience in Network Engineering/Security, Information Technology, Computer Science, Computer engineering, or a related field. •Knowledge of Remote Direct Memory Access (RDMA) and its implementations, specifically ROCEv2 or InfiniBand •Knowledge of Lossless network – Experience with congestion control and lossless Ethernet technologies including PDF, ECN and DCQCN. •Versed in High-Bandwidth network infrastructure including experience with operating 400G and 800G network fabrics and tackling challenges at the physical layer for networks operating at these speeds. This includes familiarity with specific optical transceivers. •Extensive troubleshooting experience for data center routing protocols such as BGP and OSPF as well as troubleshooting of VXLAN implementations. •Deep hands-on experience with NetDevOps to automate tasks using tools such as Terraform or Ansible to manage network configurations and state. •Possess strong scripting skills such as Python, Go, or JSON to build custom automation, interact with APIs, and develop internal network tools. •Deep hands-on experience with modern, high-performance hardware from network switch and NIC providers such as Broadcom, Arista, Cisco, or Pensando. •Knowledgeable in Advanced Network Telemetry, beyond traditional SNMP. Knowledgeable in telemetry protocols such as gNMI, Sflow, Netflow, Redfish, and Prometheus to characterize and detect transient congestion events, micro-bursts in the network fabric or defective network hardware. Compensation: •Flexible work environment (work from home / hybrid options) Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!