Systems Engineer, HPC

About Mistral   At Mistral AI, we build high-performance, open, and efficient AI systems designed to power the next generation of applications. Our infrastructure combines large-scale distributed systems, cloud platforms, and HPC environments to support cutting-edge research and production workloads. We are a collaborative, low-ego, and highly technical team, operating across Europe, the US, and beyond. As we scale rapidly, we are building the foundational infrastructure to support thousands of nodes and petabyte-scale systems. 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 https://mistral.ai/careers.   About the Role We are looking for Systems Engineers / System Administrators to help design, operate, and scale the infrastructure behind Mistral’s AI platforms. This is a hands-on, hybrid role combining: Systems administration (operating and troubleshooting large-scale Linux environments) Systems engineering (automation, scalability, and performance improvements) You’ll work closely with infrastructure, HPC, and research teams to ensure our clusters and platforms run reliably at scale.   What You’ll Work On Core Systems Operations Operate and maintain large-scale Linux environments (bare metal, clusters, cloud) Monitor system health, troubleshoot incidents, and ensure high availability Support production and research workloads across multiple environments       Scaling Infrastructure Help scale clusters toward hundreds to thousands of nodes Work on systems handling petabyte-scale storage Improve performance, reliability, and resource utilisation       Automation & Engineering Automate operational tasks using tools like Python, Bash, Ansible, or Terraform Improve deployment, provisioning, and system lifecycle management Contribute to system design and architecture decisions       Cross-Functional Collaboration Work closely with: HPC / infrastructure teams Platform / DevOps e