Networking Solution Test Engineer - AI IB and Ethernet Cluster Debugging
Core
End-to-end verification and debugging of large-scale AI clusters using Ethernet and InfiniBand, focusing on hardware, system software, and AI workloads.
Role type
Senior IC networking solution test engineer (AI clusters)
Builds
Large-scale AI clusters with heterogeneous hardware, OS/driver combinations, and complex network fabrics
Domain
AI infrastructure, high-performance networking, data center systems
Deliverable
production ML models | product features | dashboards & analysis
Required skills
Linux networking debugging, cluster troubleshooting, source code analysis (C/C++/Python), scripting/automation (Bash/Python/Ansible), AI networking libraries (NCCL), high-performance protocols (RoCE/RDMA), NIC validation and tuning, performance benchmarking
Preferred skills
Debugging collective communication libraries, large cluster incident response, congestion control tuning (DCQCN/ECN/PFC), NVIDIA networking stack expertise, open-source networking contributions
Technologies
InfiniBand, Ethernet, NIC, DPU, Switch, NCCL, RoCE, RDMA, Linux, perf, tcpdump, ethtool, iproute2, C, C++, Python, Bash, Ansible
Responsibilities
Design and review test requirements for AI cluster portfolios; build and maintain realistic customer-like testbeds; own end-to-end cluster troubleshooting and root cause analysis; read source code to identify defects and validate fixes; collaborate with development teams to debug networking components; define tests and guide automation suite implementation; run regression, performance, functional, and scale testing; profile and benchmark deep learning workloads
Seniority
Senior, hands-on IC
