Research Platform Engineer

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.

Role Summary

We are seeking a talented and experienced platform engineer to join our Research Platform team. You'll work closely with our R&D team to build a cloud‑agnostic platform that improves the stability, scalability and velocity across the research department. You'll help create and optimize tools that empower researchers to make the most of high performance clusters.

Location: Paris / Warsaw / London (hybrid) or remote EU/UK with one hub visit per month.

What You Will Do

• Design and implement complex systems (e.g. scale our research CI with a strong focus toward reliability, reproducibility and speed)
• Build flexible yet solid and accessible development environments for researchers, so they can focus on the core mission.
• Design, implement and advocate for solutions addressing large amounts of data and maintainable data pipelines.
• Optimize a variety of builds: container images, large libraries compilation times, python environments.
• Build strong relationships with researchers, understand their workflow and enable them to achieve more by leveraging your expertise.
• Communicate and produce documentation or any content that will help them make the most out of the tools and systems you build.
• Be part of the team that "platformizes" research and constantly improve the daily experience for researchers while avoiding future roadblocks.

About You

• 5+ years of successful experience in a similar DX / DevOps / SRE role.
• Proficiency in software development (Python, Go, etc.) and programming best practices.
• Exposure to site reliability engineering: root cause analysis, in‑production troubleshooting, on‑call rotations.
• Exposure to infrastructure management: CI/CD, containerization, orchestration, infra‑as‑code, monitoring, logging, alerting, observability.
• Technical product mindset (e.g. understanding how to debug poor adoption).
• Excellent problem‑solving and communication skills (ability to contextualise, gauge risks and get buy‑in for high‑stakes and impactful solutions).
• Ownership, high agency and a constant desire to learn and improve things for others.
• Autonomous, self‑driven and able to work well in a fast‑paced startup environment.
• Low ego and team‑spirit mindset.

Preferred Skills

• First‑hand Bazel (or equivalent) experience.
• Strong knowledge of Python's ecosystem.
• Familiarity with GPU‑based workloads and ecosystems.
• Experience with fully remote environments; comfortable with users on the other side of the globe.

Location and Remote

This role is primarily based at one of our European offices (Paris, Warsaw, London). We prioritize candidates who reside there or are open to relocating. We consider remote candidates based in the listed countries (France & UK) in specific situations, with an expected first‑week onsite onboarding and at least three days per month onsite thereafter.

Benefits

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.