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Postdoctoral Young Investigator, FlexOlmo

ai2 • United States
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AI Summary

Ai2 seeks a Postdoctoral Young Investigator to join the FlexOlmo team in Berkeley, CA, contributing to research on large language models for flexible data use. Responsibilities include leading high-impact research, training and releasing models, building open-source software, authoring papers, and mentoring junior researchers. Candidates should have or be near completion of a PhD in Computer Science or a related field, strong deep learning and publication records, and be located in or willing to relocate to Berkeley, CA.

Key Highlights
Postdoctoral Young Investigator role on the FlexOlmo team in Berkeley, CA
Focus on Mixture-of-Experts, long-context language models, and retrieval
50% independent research contribution and 50% mentoring junior researchers
PhD in Computer Science or related field required or near completion
Visa sponsorship is available

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Key Responsibilities
Define and lead a high-impact research project
Train and release leading models
Collaborate with and learn from team members across Ai2
Build open-source software for the research community
Author scientific papers for publication in a high-profile conference or journal
Lead and collaborate on an Ai2 project as an independent contributor
Mentor junior researchers such as PhD students, interns, and predoctoral students
Technical Skills Required
PyTorch Machine Learning Natural Language Processing

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Benefits & Perks
Medical, dental, and vision insurance
Basic life, AD&D, short-term, and long-term disability insurance
Employee assistance program
Voluntary life and AD&D insurance
Health savings account, healthcare reimbursement arrangement, and flexible spending accounts
401k plan
$125 per month for commuting or internet expenses
$200 per month for fitness and wellbeing expenses
Up to 10 sick days, 7 personal days, 20 vacation days, and 12 paid holidays per year
Annual bonuses

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Nice to Have
Experience with mixture-of-experts
Experience with long-context language models
Experience with retrieval

Job Description

Who You Are

Ai2 is seeking talented and motivated Postdoctoral Young Investigator to join the FlexOlmo team, working on a series of large language models designed for flexible data use, with a focus on Mixture-of-Experts (MoE), long-context language models (LCLMs), and retrieval. Postdoctoral Young Investigators will be based in Berkeley, California.

This opportunity offers a unique opportunity to contribute to cutting-edge research in natural language processing and machine learning in an exciting, fast-paced research environment. You have the opportunity to:

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Job Overview
Posted Nov 06, 2026
Employment Full-time
Experience Mid-Senior level
Location United States
Category Machine Learning
Company ai2
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