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Applied Science - Cybersecurity

Mistral.ai · Paris

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In brief

Mistral.ai is hiring: Applied Science - Cybersecurity in Paris.

Duties

  • Develop, pre-train and post-train domain-specialized foundation models for agentic defensive security.
  • Work across a diverse set of complex real world problems to build the future of AI for cybersecurity.
  • Design evaluations and benchmarks that measure realistic security capability on customer-representative tasks.
  • Build sandboxed execution environments, RL tasks, and verifiers grounded in real customer workflows, and generate and curate the training data for…

Required profile

  • Fluent in English with excellent communication skills: at ease explaining complex technical to both technical and non-technical audiences.
  • Experience building harnesses, benchmarks or RL environments for code, agentic or security tasks.
  • Hands-on security background in one or more of: vulnerability research, exploit development, red teaming, or detection and incident response.

Excerpt from the ad

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…

Source: ad by Mistral.ai, published on Arbeitnow. MakeYouFirst summarises this ad; the advertiser remains responsible for its content.

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FAQ

Frequently asked questions

Where is the job based?

The job is based in Paris (France).

How do I apply for this job?

Click “Apply now”: with your free MakeYouFirst account, your CV and cover letter are tailored to this job, the recruiter’s email is found for you and the application is sent from your own mailbox once you approve it.

Listing published by Youssef Douiri, founder of MakeYouFirst · Updated on 30 October 2026

MakeYouFirst — a Global Digital Agency product