Senior Networking Solution Test Engineer – AI Cluster Debugging

Job description

We are looking for a Senior Networking Test Engineer with strong system‑level debugging skills to join our End‑to‑End Verification team! You will work on pioneering NVLink, Ethernet and InfiniBand ‑ based AI clusters. Additionally, you will ow complex issues across hardware, system software and AI workloads. What you’ll be doing: Design and review test and product requirements across the NVLink, Ethernet and InfiniBand / 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 targeted experiments. Define tests and guide the automation team to implement robust, debuggable suites that produce actionable logs, metrics and traces. Run Regression, Per...