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Postdoctoral Young Investigator in FlexOlmo (Mixture-of-Experts, LCLMs)

allen institute for ai (allen ai) • United States
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AI Summary

Postdoc role at Allen AI (Berkeley) to lead research on flexible data-use language models (MoE, LCLMs, retrieval). Focus on training models, mentoring junior researchers, and publishing high-impact papers. Requires PhD in CS/related, deep learning expertise, and strong publication record in AI venues.

Key Highlights
Postdoctoral position focused on Mixture-of-Experts (MoE) and long-context language models (LCLMs)
50% research leadership, 50% mentoring junior researchers with opportunities for grant writing and teaching
Competitive pay ($159,650) and visa sponsorship available

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Key Responsibilities
Define and lead high-impact research projects in flexible data-use language models
Train and release leading models for the research community
Collaborate with team members across Allen AI
Build and release open-source software for NLP research
Author scientific papers for high-profile conferences/journals
Mentor junior researchers (PhD students, interns) in academic activities
Work closely with a dedicated mentor who is also a UC Berkeley faculty member
Technical Skills Required
Deep Learning Frameworks (e.g., PyTorch) Mixture-of-Experts (MoE) Architectures Large Language Models (LLMs)

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Benefits & Perks
Competitive salary ($159,650)
Visa sponsorship available
Open-source software development opportunities
Mentorship in academic activities (grant writing, teaching)
Medical, dental, vision, life insurance, disability coverage
Health savings account, flexible spending accounts
401k plan
Commute/internet stipend ($125/month)
Fitness/wellbeing stipend ($200/month)
Paid time off (10 sick days, 7 personal days, 20 vacation days, 12 holidays)
Annual bonuses

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Nice to Have
Experience with Mixture-of-Experts (MoE) architectures
Experience with long-context language models (LCLMs)
Experience with retrieval-based systems
Collaboration with external researchers and institutions

Job Description

Persons in these roles are welcome to work remotely from Berkeley, CA.

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 Not Applicable
Location United States
Category Machine Learning
Company allen institute for ai (allen ai)
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