Active3mo ago

RL Inference

SpaceXSI·📍 Palo Alto, California, United States

Employment

Full-Time

Work mode

On-site

Experience

All levels

Salary

$180K – $440K/yr

Overview Requirements Company Similar jobs

Role overview

Job description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: The RL infrastructure team is looking for an engineer to help with low precision

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About this listing

Listed from SpaceXSI's careers site via Greenhouse · last confirmed on the source 23 Oct 2026
Posted 6 Jul 2026

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What they are looking for

Skills & requirements

python →c++ →recruitment →

Qualification

Experience in building, debugging, and optimizing efficiency of large-scale distributed systems Experience in LLM inference Proficiency in programming languages such as Python, C++ and/or Rust; frameworks such as PyTorch, Jax, CUDA Willingness to dive deep and solve hardcore problems at all levels of the stack PREFERRED SKILLS AND

Department · Model

Hiring company

SpaceXSI

Energy

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