We are seeking a Senior HPC Network Engineer to support advanced AI, research, and Kubernetes‑based GPU infrastructure for a major general technology client. The role focuses on architecting, operating, and optimizing high‑performance network fabrics for large‑scale LLM and distributed AI workloads, including InfiniBand/RDMA, high‑speed Ethernet, Kubernetes networking, host‑side GPU networking, SmartNIC/DPU technologies, and deep network observability.

Responsibilities

• Architect, operate, and troubleshoot high‑performance InfiniBand/RDMA and Ethernet fabrics for large‑scale GPU clusters and distributed AI/LLM workloads.
• Design and evaluate cluster network topologies, including Fat‑tree, Clos, Rail‑optimized, and Dragonfly, based on workload scale and performance needs.
• Optimize host‑side networking, including NIC configuration, drivers, firmware, IRQ affinity, NUMA placement, PCIe topology, and GPU‑to‑NIC communication paths.
• Tune a...