Senior High-Performance LLM Training Engineer

We are now looking for a Senior High-Performance LLM Training Engineer!

NVIDIA is seeking experienced engineers specializing in performance analysis and optimization to improve the efficiency of LLM training workloads, which are shaping the world's most advanced computing systems. This position focuses on optimizing NVIDIA’s high‑performance LLM software stack in frameworks like PyTorch and JAX for high‑performance training on thousands of GPUs, while also helping shape hardware roadmaps for the next generation of GPUs powering the AI revolution.

What you will be doing

Understand, analyze, profile, and optimize AI training workloads on innovative hardware and software platforms.

Understand the big picture of training performance on GPUs, prioritizing and then solving problems across all state-of-the-art neural networks.

Implement production‑quality software in multiple layers of NVIDIA's deep learning platform stack, from drivers to DL frameworks.

Build and support NVIDIA submissions to the MLPerf Training benchmark suite.

Implement key DL training workloads in NVIDIA's proprietary processor and system simulators to enable future architecture studies.

Build tools to automate workload analysis, workload optimization, and other critical workflows.

What we want to see

PhD in Computer Science, Electrical Engineering or Computer Engineering and 5+ years; or MS (or equivalent experience) and 8+ years of meaningful work experience.

Strong background in deep learning and neural networks, in particular training.

A deep background in computer architecture and familiarity with the fundamentals of GPU architecture.

Proven experience analyzing and tuning application performance & system-level performance modeling.

Programming skills in C++, Python, and CUDA.

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Your base salary will be determined based on your location, experience, and the pay of employees in similar positions. The base salary range is 184,000 USD - 287,500 USD for Level 4, and 224,000 USD - 356,500 USD for Level 5.

You will also be eligible for equity and benefits.

Applications for this job will be accepted at least until April 12, 2026.

This posting is for an existing vacancy.

NVIDIA uses AI tools in its recruiting processes.

NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.

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