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Open nowPosted 4 hours ago

AI Scientist - Agentic Engineering

Mistral AI238 open roles

Where
Paris
Work mode
Remote
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Your applicationOpen nowAI Scientist - Agentic EngineeringMistral AI · Paris

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The clock on this job

Early applications get read.

13.9% of postings close within 7 days. Measured by our own scanner across the market. Mistral AI postings stay open a median of 63 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.7%3 days
  3. 13.9%7 days
  4. 22.4%14 days
  5. 38.1%30 days
  6. 59.0%60 days
This job: posted 4 hours ago

Mistral AI median: 63 days open

The posting

ABOUT MISTRAL

Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms.

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 Europe, North America, Asia and the Middle East. We are creative, low-ego and team-spirited.

The Role

Mistral AI is looking for AI Scientists with deep machine learning expertise and hands-on engineering experience to expand what Mistral's agentic tools can do across the engineering lifecycle across CAE (CFD, FEA etc) and EDA/Semi..

Within AI4Engineering Science, your core work is building the pre and post-training data for Mistral's LLMs to reason about and execute real engineering tasks. Alongside this, you'll help shape the agent architectures and harness that let these models operate reliably inside multi-step engineering workflows, not just answer isolated questions.

You'll work closely with domain experts across CAE and EDA to ground this work in how engineers actually work, and with the broader research team to translate that domain grounding into training signal and evaluation benchmarks that measure genuine task competence.

What You Will Do

- Design pretraining, SFT, and RL data for engineering tasks across CAD, CAE, and semiconductor/EDA

- Define verifiers and evaluation criteria that capture what "correct" and "high-quality" actually mean for each engineering task, beyond surface-level plausibility

- Design and improve agent architectures and harnesses: how models plan, call tools, recover from errors, and chain steps together across long-horizon engineering workflows

- Build evaluation benchmarks and diagnostic tooling to identify where models fail on engineering tasks, and trace those failures back to gaps in data, reward design, or agent scaffolding

- Collaborate with domain experts across CAEand EDA (and the science and solutions teams more broadly) to identify which engineering workflows are highest-value to target next

- Contribute to Mistral's broader pre and post-training research, sharing findings and methodology across the science organization

What We're Looking For

- Fluent English with excellent communication skills, able to explain technical ML and engineering concepts to both engineering and non-technical audiences

- Deep, hands-on machine learning expertise, particularly LLM development

- Demonstrated experience running, debugging, and validating real engineering workflows in at least one of CAD, CAE, semiconductor simulation, or EDA.

- You write clean, readable Python code and are comfortable in Linux/HPC environments

- Self-directed, you don't need detailed roadmaps to make progress

- Low-ego, collaborative, and eager to learn at the intersection of engineering and ML

It would be great if you

- Have experience building or fine-tuning agentic systems (tool use, multi-step planning, agent orchestration frameworks)

- Have experience with reward modeling, RLHF/RLAIF/RLVR, or preference-based training

- Have industrial or academic experience with CAE, or EDA tools (e.g. SolidWorks, CATIA, Fluent, Abaqus, LS-DYNA, STAR-CCM+, Cadence/Synopsys/Siemens EDA tools)

- Have contributed to a large open-source or industry codebase

- Have publications in engineering and ML venues (NeurIPS, ICLR, JFM, AIAA, etc.)

WHAT WE OFFER

We offer a comprehensive benefits package designed to support your well-being, growth, and work-life balance. Benefits vary by country and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal and transportation allowances, and other location-specific perks.

For the most up-to-date details on benefits available in your location, please refer to our Benefits page https://app.notion.com/p/mistralai/Benefits-at-Mistral-36e6ba59a7fe836b93dd01737fcc27ef?source=copy_link.

PRIVACY POLICY

Your privacy matters to us. You can learn more about how we handle your personal data in our Applicant Privacy Policy https://legal.mistral.ai/terms/applicant-privacy-policy.

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