Member of Technical Staff - ML Infrastructure Engineer, RL Post-training
Preference Model is hiring for Member of Technical Staff - ML Infrastructure Engineer, RL Post-training in San Francisco. Staff level. First seen November 7, 2026, posted 2 times; open as of November 8, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Preference Model
- Where
- San Francisco
- Level
- Staff
- First seen
- November 7, 2026
- Postings
- 2
- Listed via
- Ashby
What the posting says
We are looking for Senior ML Infrastructure Engineers to build the infrastructure and systems that power the frontier of post-training on large language models. This role involves building scalable infrastructure to enable high-throughput systems and shape how our research is run, bringing us closer to models that can train themselves on what they aren't yet good at. WHAT YOU WILL DO - Design, build, and scale the compute, scheduling, and data infrastructure that powers post-training research on our in-house RL environments - Develop and maintain core ML framework primitives and internal…
Read more and apply on Preference Model's site
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