Model Behavior Architect- Safety
Job in
Paris, Lamar County, Texas, 75460, USA
Listed on 2026-06-01
Listing for:
Mistral AI
Full Time
position Listed on 2026-06-01
Job specializations:
-
IT/Tech
AI Engineer, Data Scientist, Machine Learning/ ML Engineer
Job Description & How to Apply Below
At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life.
We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise as well as personal needs. Our offerings include Le Chat, La Plateforme, Mistral Code and Mistral Compute - a suite that brings frontier intelligence to end-users.
We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited.
Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact. See more about our culture on (Use the "Apply for this Job" box below)..
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By applying, you agree to our Applicant Privacy Policy.
About the role
As a Model Behavior Architect, you are at the forefront of defining and measuring LLM behaviour.
We are looking for people who have built a career in engineering, machine learning, and large language models and are experts in model evaluation, policy writing, and creating eval pipelines for complicated tasks.
Your role is to work hand-in-hand with our Science team to define what 'good' looks like for Reasoning, Audio, Alignment, Tools, and all Frontier bets.
Join us if you are passionate about tackling cutting-edge, open-ended research challenges and transforming your insights into best-in-class models.
What you will do
* Interact with models to identify where model behavior can be improved
* Gather internal and external feedback on model behavior to scope areas for improvement
* Design and implement evals, data guidelines, data generation, and synthetic testing environments
* Identify and fix edge case behaviors through rigorous testing
* Develop robust evaluation pipelines for our model candidates
* Work collaboratively with AI Scientists
About you
* You have a deep understanding of either
1) linguistics, language, and translation,
2) engineering and code behavior,
3) LLM agents at work, including reasoning and tool use
* You have prior knowledge in training and optimising model behaviour
* You are an expert at building robust evaluations
* You thrive in dynamic and technically complex environments
* You have a track record of delivering innovative, out-of-the-box solutions to address real-world constraints
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