MatX
Performance Modeling Engineer
$160K–$600K
Mountain View (HQ) or Remote · Hybrid · Full-time · Posted Sep 22, 2026
About the job
Translate AI accelerator architecture into performance models and build modeling tools and workflows that support frontier LLM development.
What you'll do
- Translate AI accelerator architecture into performance models and maintain modeling framework capabilities and releases.
- Automate creation of detailed tensor layouts for frontier LLMs.
- Create tools, compilers, and automations, and collaborate with ML, Software, and Architecture teams on experiments and workflows.
What they ask for
- Strong background in performance modeling.
- Strong working knowledge of latest LLM model architectures.
- Experience with computer architecture, particularly AI accelerators.
Pay
$160,000 - $275,000 USD base salary; $175,000 - $450,000 USD base salary; $275,000 - $600,000 USD base salary
Tools
AI accelerators, LLM
AI focus
Develop performance models and automate tensor-layout creation to help run and support frontier LLMs efficiently.
Model-written summary · the original posting is authoritative