engineering
Posted Nov 10, 2025Datacenter Hardware Engineer, HPC
at Mistral AI
Paris, FranceOn-site
Responsibilities
- Diagnose & operate core server/cluster components - Investigate and handle compute/storage hardware issues (CPU, memory, drives, NICs, GPUs, PSUs) and interconnect problems (switches, cables, transceivers; Ethernet/InfiniBand).
- Perform safe interventions (power-off/lockout, ESD) to replace, re-seat, or recable components and restore service.
Requirements
- About Mistral At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity.
- 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 offerings include le Chat, the AI assistant for life and work.
- We are a dynamic, collaborative team passionate about AI and its potential to transform society.
- Join us to be part of a pioneering company shaping the future of AI.
- See more about our culture on https://mistral.ai/careers.
- We’re hiring a Datacenter HW Engineer to maintain, troubleshoot, and scale our GPU/CPU clusters safely and reliably.
- You’ll execute hands-on hardware work in our Paris-area datacenter and partner with hardware owners, DC operations, and vendors to keep one of France’s largest GPU clusters healthy.
- Direct impact on scale: your work keeps one of France’s largest AI clusters healthy as we grow to unprecedented scale.
- Enable breakthrough AI: you unlock our science & engineering teams to deliver groundbreaking AI solutions. What you will do
- First-line diagnostics - Triage using LEDs, POST, beep codes and basic tests; capture evidence (photos, serials, results); open/update/close tickets with clear notes.
- Hands-on mindset in datacenters/server hardware: you can install/re-seat/swap GPU/PCIe cards, NICs, PSUs, drives, and work cleanly in racks (rails, cabling, labeling).
- We also welcome candidates with strong Linux fundamentals (boot/check, logs) and scripting (Python/Bash) who are eager to learn hardware; you’ll be trained and mentored by a senior hardware engineer.
- Practical electrical basics: power-off, PPE, short-circuit risk awareness.
- HPC/AI/Cloud at scale
- Basic networking (Ethernet/InfiniBand) and basic Linux (boot/check; no coding needed).
- Coding/automation skills (Python/Bash): small tools/scripts to improve checklists, photo/serial capture, inventory sync, or simple monitoring/reporting.
- Experience with inventory/RMA tools and vendor coordination.
Additional details
- Our technology is designed to integrate seamlessly into daily working life.
- Our diverse workforce thrives in competitive environments and is committed to driving innovation.
- Our teams are distributed between France, USA, UK, Germany and Singapore.
- Role Summary Our compute footprint is growing fast to support our science and engineering teams.
- Location: Bruyères-le-Châtel — on-site, field role Reporting line: Hardware Ops Impact
- Compute is a key lever for Mistral’s success and our largest spend item.
- Safety & procedures - Apply lockout/tagout (LOTO) and ESD discipline; follow pre/post-work checklists; maintain tidy, safe work areas.
- Preventive maintenance - Provide feedback and ideas to improve proactive activities, monitoring, and targeted follow-ups on recurring or specific anomalies; help turn ad-hoc checks into SOPs, alerts, and dashboards.
- Parts & logistics - Receive and track parts, keep labeled inventory accurate, manage simple RMAs, and coordinate with vendors.
- Collaboration & escalation - Partner with senior hardware/firmware owners on complex or multi-node issues; communicate status and next steps crisply.