Networking Solution Test Engineer - AI IB and Ethernet Cluster Debugging

Responsibilities

• 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 targeted experiments.
• Define tests and guide the automation team to implement robust suites that produce actionable logs, metrics and traces.
• Run Regression, Performance, Functional and Scale testing, analyze results and provide clear, data‐driven reports to stakeholders.
• Profile and benchmark deep learning training and inference workloads, correlating model‐level metrics with system and network telemetry to uncover bottlenecks.
• What we need to see
• B.A./B.Sc. in Computer Science, Electrical Engineering, or equivalent IT/Network/Systems experience.

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