Datacenter Hardware Engineer, HPC

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.

We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between Europe, North America, Asia and the Middle East. We are creative, low-ego and team-spirited.

Role Summary 

Our compute footprint is growing fast to support our science and engineering teams. 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.

 

Location: Bruyères-le-Châtel — on-site, field role

 

Impact

• Compute is a key lever for Mistral’s success and our largest spend item.

• 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

• 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.

• Safety & procedures - Apply lockout/tagout (LOTO) and ESD discipline; follow pre/post-work checklists; maintain tidy, safe work areas.

• First-line diagnostics - Triage using LEDs, POST, beep codes and basic tests; capture evidence (photos, serials, results); open/update/close tickets with clear notes.

• 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.

• Documentation & quality - Keep SOPs/checklists current; ensure zero undocumented changes and consistent, audit-ready records.

 

About you

• 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.

• Disciplined and meticulous: follows checklists, ESD/LOTO; no rough handling; careful with all high-value server components.

• Practical electrical basics: power-off, PPE, short-circuit risk awareness.

• Comfortable in racks: cooling, network, storage, PDU, cable management; can lift/mount safely (within HSE limits).

• Clear communicator: short factual updates; reliable teammate; punctual and process-minded.

• Hardware-passionate, professionally grounded: strong curiosity and craft mindset.

  

Nice to have

• HPC/AI/Cloud at scale experience (production environments), large-fleet/server install & maintenance in datacenters.

• 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.

• Exposure to HPC/research/industrial environments.

 

What We Offer

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.

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