Networking Solution Test Engineer - AI IB and Ethernet Cluster Debugging
Nvidia · Shanghai, China
About this role
Nvidia is hiring a mid-level Network Engineer in the operations function based in Shanghai, China. The posting calls out experience with Python, C, Bash, Ansible.
- Role
- Network Engineer
- Function
- operations
- Level
- mid
- Track
- Individual contributor
- Employment
- Full-time
- Location
- Shanghai, China
- Posted
- Apr 20, 2026
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Job description
from Nvidia careersWe 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 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.
This is an excerpt. Read the full job description on Nvidia careers →