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Principal Developer, AI Networking

US, CA, Santa Clara💼 Full-time💰 $272,000–$272,000🗓 2026-06-12 → 2026-09-25

Core

Profile, analyze, and optimize AI workloads on large-scale GPU and CPU clusters for distributed Deep Learning LLM training and inference, with a primary focus on collectives communication and networking.

Role type

Principal Developer, AI Networking (Senior IC)

Builds

High-performance networking solutions and performance analysis tools for NVIDIA supercomputers

Domain

AI Networking, Distributed Systems, High-Performance Computing

Deliverable

production ML models | infrastructure

Required skills

High-performance networking (RDMA, MPI, NCCL, SHARP), Performance evaluation, CUDA, PyTorch, C++, Python, Bash, System architecture (CPU/GPU/HCA/Memory/PCI)

Preferred skills

AI workload benchmarking, Distributed LLM training, Hardware-software co-design

Technologies

PyTorch, CUDA, NCCL, RoCE, RDMA, MPI, SHARP, Python, C++, Bash

Responsibilities

Characterize AI workloads and deep learning models for large-scale LLM training and inference; Benchmark, profile, and analyze performance to identify bottlenecks; Develop PyTorch trace-based profiling, analysis, and replaying toolsets; Collaborate with hardware and software teams for performance insights; Define performance test plans and set expectations for new technologies.

Seniority

Principal, hands-on IC

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