Senior ML Infra Engineer — LLM Training & RL Research

Preference Model; San Francisco (CA); On-site; USD 180,000 - 260,000; Full time

Job summary

Preference Model in San Francisco seeks a Senior ML Infrastructure Engineer to design and scale the infrastructure powering large-scale RL experiments and post-training workflows. You will collaborate with researchers to enable high-throughput experiments and reliable training pipelines, ensuring reproducible results in a fast-moving startup environment.

Join a team backed by seed funding and work alongside senior researchers to push the boundaries of machine learning infrastructure for capable

Job description

Preference Model is a pioneering AI research company building RL environments for training capable and well-aligned superintelligences. We are seeking Senior ML Infrastructure Engineers to design and scale the infrastructure powering post-training research on large language models.

You will collaborate with researchers to enable high-throughput experiments and reliable training workflows. Join a fast-moving startup backed by significant seed funding, with opportunities to work alongside senior