NVIDIA
Principal High-Performance LLM Training Engineer
$272K–$431K
US, CA, Santa Clara · Principal · Full-time · Posted Apr 28, 2026
- Experience
- 12+ years of relevant work or research experience.
- Education
- MS, or PhD (or equivalent experience) in Computer Science, Electrical Engineering, Computer Engineering, or a related field.
About the job
Leads performance analysis and optimization of large-scale LLM training and post-training workloads across NVIDIA hardware and software, while shaping technical direction and mentoring engineers.
What you'll do
- Optimize LLM workloads across compute, memory, communication, frameworks, and system scaling; develop tools, benchmarks, and performance models.
- Translate workload findings into hardware and software recommendations and influence architecture and roadmap decisions across teams.
- Provide technical leadership and mentor engineers in large-scale AI performance analysis and optimization.
What they ask for
- MS or PhD (or equivalent experience) in Computer Science, Electrical Engineering, Computer Engineering, or a related field.
- 12+ years of relevant work or research experience.
- Principal-level technical impact in a relevant area, with hands-on experience optimizing large-scale deep learning workloads, especially transformer-based models and LLM training or post-training.
- Strong GPU architecture knowledge and experience with distributed training, performance profiling, benchmarking, and modeling.
Pay
272,000 USD - 431,250 USD (base salary)
Tools
NVIDIA GPUs, PyTorch, JAX, NeMo, NeMo RL, CUDA
AI focus
Optimize LLM pre-training and post-training, including reinforcement learning and fine-tuning, and guide AI hardware and software architecture using workload insights.
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