CareerPlan

Principal Software Engineer, E2E Performance and Goodput — CSP Engagements

US, CA, Santa ClaraFull-time$272k2026-11-07 → 2026-11-10

Core

Principal Engineer acting as technical focal point for end-to-end performance and goodput for key CSP/hyperscale customers on NVIDIA platforms.

Role type

Principal Software Engineer (Systems Performance)

Builds

Shared understanding of platform performance characteristics, optimization priorities, and validation tooling for CSP workloads.

Domain

High-Performance Computing (HPC) / AI Infrastructure / GPU Systems

Deliverable

production ML models

Required skills

GPU workload profiling, distributed training performance dynamics, statistical methods for performance analysis, full software stack impact analysis, data analysis and visualization, cross-team influence

Preferred skills

Profiling and optimizing distributed training at 1000+ GPU scale, ML infrastructure performance at CSP/hyperscaler, NVIDIA platforms familiarity, automated performance regression detection systems, inference workload performance dynamics

Technologies

NVIDIA CUDA, NCCL, DCGM, nsight systems, nsight compute, Megatron-LM, DeepSpeed, FSDP, vLLM, TensorRT-LLM, SGLang, Python, pandas

Responsibilities

Drive performance characterization work streams with CSP engineering teams, gather and synthesize CSP performance feedback, ensure open-source performance tools are updated and validated, conduct cross-CSP performance comparison and pattern analysis, collaborate on performance-related integration work, define test strategies and tooling requirements for performance validation

Seniority

Principal, hands-on IC with strategy & mentorship