Research Scientist/Research Engineer, Midtraining is open at Periodic Labs in Menlo Park, CA. The posting gives a salary of $250K - $350K. Posted on Sep 30, 2026, and still on Periodic Labs’s careers page when we last checked, on Nov 15, 2026.
About the role
We're training frontier models to develop deep scientific knowledge and reasoning for scientific discovery. As a Midtraining Research Engineer, you'll take base models and improve their scientific reasoning: curating and generating data, building evals, and running large-scale training experiments. Your work will also lay the groundwork for our pre-training efforts down the line. WHAT YOU'LL DO - Identify, process…
The opening lines of the posting. The rest is on Periodic Labs’s careers page.
Hiring at Periodic Labs
Periodic Labs has 31 open roles right now, 1 of them remote. Most are in Data & Research, Engineering and Manufacturing & Trades. The median advertised salary across its roles with a published range is $300K. See all its roles
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