Applied Scientist / Research Engineer - Cybersecurity - EMEA
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About Mistral
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 needs, whether on‑premises or in cloud environments. Our teams are distributed between France, USA, UK, Germany and Singapore. We are a dynamic, collaborative team passionate about AI and its potential to transform society.
About The Job
Mistral AI is seeking Applied Scientists and Research Engineers to build telemetry‑native security agents and specialized foundation models for observability and defense.
What You Will Do
* Run pre‑training, post‑training and deploy state‑of‑the‑art models on clusters with thousands of GPUs.
* Develop and pre‑/post‑train domain‑specialized foundation models for observability, security, site reliability engineering, and code repair.
* Run large‑scale experiments to balance accuracy, latency, throughput, and power under tight memory constraints; profile and fix bandwidth/compute bottlenecks.
* Manage research projects and communications with client research teams.
About You
* You are fluent in English and can explain complex technical concepts to both technical and non‑technical audiences.
* You have background in adversarial ML, agent/prompt security, watermarking/detectors, differential privacy, or trusted execution (TEE).
* You’re not afraid of contributing to a big codebase and can work independently with little guidance.
* You’re expert with PyTorch or JAX; strong C++/CUDA or low‑level performance skills a plus; production‑grade Python.
* Low‑ego, collaborative and eager to learn.
* You have a track record of success through personal projects, professional projects or academia.
It Would Be Great If You
* Hold a PhD / master in a relevant field (Maths, Physics, ML), or exceptional candidate from another background.
* Have contributed to a large codebase used by many (open source or industry).
* Have a track record of publications in top academic journals or conferences.
* Have publications in top ML/security venues and/or contributions to open‑source security or observability tools.
* Love improving existing code by fixing typing issues, adding tests and improving CI pipelines.
Benefits
We have local offices in Paris, London, Marseille, Singapore and Palo Alto.
* Competitive cash salary and equity.
* Food: daily lunch vouchers.
* Sport: monthly contribution to a Gympass subscription.
* Transportation: monthly contribution to a mobility pass.
* Health: full health insurance for you and your family.
* Parental leave: generous parental leave policy.
* Visa sponsorship.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans.
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