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, Performance, Functional and Scale testing, analyze results and provide clear, data‑driven reports to collaborators
Profile and benchmark deep learning training and inference workloads, correlating model‑level metrics with system and network telemetry to uncover bottlenecks

B.A./B.Sc. in Computer Science, Electrical Engineering, or equivalent IT/Network/Systems experience
8+ years of hands‑on networking or system‑level testing and debugging on Linux
Strong Linux networking and debugging skills (for example perf, tcpdump, ethtool, iproute2)
Proven production‑grade debugging experience: forming hypotheses, running experiments, and driving issues to root cause under pressure
Expertise in host‑side NIC validation and tuning (offloads, queues, interrupts, firmware/driver interactions)
Strong knowledge of AI networking libraries (such as NCCL) and protocols (such as RoCE and RDMA), including performance and correctness debugging
Ability to read and reason about source code (C/C++/Python or similar) and collaborate closely with developers on fixes
Solid scripting and automation skills with Bash / Python / Ansible for setup, log collection, and experiment orchestration
Fast learner, familiar with modern AI tools and workflows, able to adapt quickly
Excellent analytical, problem‑solving and communication skills, with strong ownership and a collaborative approach

Reasonable accommodations to ensure all individuals can participate in the job application or interview process
Health insurance
Retirement plans
Paid time off

Senior Networking Solution Test Engineer – AI Cluster Debugging

Key skills