# ML Infra Engineer, Modeling at Physical Intelligence

- Company: Physical Intelligence
- What the company does: Backed by General Catalyst, Khosla and Sequoia.
- Company website: https://www.physicalintelligence.company/
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco
- Work setup: On-site
- Posted: 2026-09-01
- Apply by: 2026-10-16
- Apply: https://jobs.ashbyhq.com/physicalintelligence/96bf6ea8-fb8d-4a76-bec7-878a8c224cea
- Page: https://www.1752.vc/careers/jobs/physical-intelligence-ml-infra-engineer-modeling/

## About the role

Own training/inference infrastructure: Design, implement, and maintain systems for large-scale model training, including scheduling, job management, checkpointing, and metrics/logging. Scale distributed training: Work with researchers to scale JAX-based training across TPU and GPU clusters with minimal friction.

## What they're looking for

- Deep ML systems background (e.g., training compilers, runtime optimization, custom kernels)
- Experience operating close to hardware (GPU/TPU performance tuning)
- Background in robotics, multimodal models, or large-scale foundation models
- Experience designing abstractions that balance researcher flexibility with system reliability
- Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records

Tags: Machine Learning
