Networking Solution Test Engineer - AI IB and Ethernet Cluster Debugging

We are looking for a networking test engineer with strong system‑level debugging skills to join our End‑to‑End Verification team. You will work on cutting‑edge Ethernet‑based AI clusters, owning complex issues across hardware, system software and AI workloads.
What you’ll be doing:
+ Design and review test and product requirements across the InfiniBand / Ethernet / NIC / DPU / Switch portfolio, focusing on large‑scale AI cluster behavior.
+ Build and maintain realistic customer‑like testbeds, including heterogeneous hardware, OS / driver combinations and complex network fabrics.
+ Own end‑to‑end cluster troubleshooting: reproduce customer scenarios, triage across the stack and drive issues to root cause and fix.
+ Read and understand relevant source code to identify defects, validate fixes and improve logging and instrumentation.
+ Collaborate closely with development teams to debug NCCL, RoCE/RDMA and related networking components using logs, code inspection and ta...