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Open nowPosted 35 days ago

Senior Infrastructure Architect

QuTwo10 open roles

Where
Helsinki, Finland
Work mode
On site
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Your applicationOpen nowSenior Infrastructure ArchitectQuTwo · Helsinki, Finland
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The clock on this job

Early applications get read.

9.8% of postings close within 7 days. Measured by our own scanner across the market. QuTwo postings stay open a median of 15 days.

Share of postings closed within
  1. 1.9%1 day
  2. 3.9%3 days
  3. 9.8%7 days
  4. 15.6%14 days
  5. 33.8%30 days
This job: posted 35 days ago

QuTwo median: 15 days open

The posting

About Qutwo

QuTwo is a Finnish AI company building sovereign AI solutions for Europe. Our platform, QuTwo OS, orchestrates workloads across classical systems, AI accelerators, and emerging quantum hardware — giving enterprises high-performance AI on infrastructure they control.

We are looking for Senior Infrastructure Architect who is a hands-on builder to design, deploy, and run the GPU infrastructure behind our AI platform - someone who has actually racked the servers, cabled the fabric, brought the cluster online, and locked it down

What you will do

  • Plan and execute GPU data center build-outs end to end: rack and power design, high-density cooling, cabling, and physical deployment of GPU servers and networking.
  • Design and stand up high-performance compute fabrics (InfiniBand / RoCE), storage, and out-of-band management for large GPU clusters.
  • Own capacity, power, and cooling planning together with colocation partners and site operators.
  • Build the software layer that makes the metal usable: provisioning, firmware and driver lifecycle, monitoring, and cluster scheduling.
  • Bake security in from day one: physical access controls, network segmentation, hardened baselines, key and secrets management, tamper-evident logging.
  • Ensure our infrastructure meets the security and compliance requirements our customers demand — including EU data residency and sovereignty expectations, ISO 27001-aligned controls, and customer security audits.
  • Provide operational support and troubleshooting.

What we are looking for

  • Proven, hands-on experience setting up GPU or HPC data center environments — you have physically built and commissioned clusters, not just operated them.
  • Strong grasp of data center fundamentals: power distribution, UPS, cooling (air and liquid), rack density, and site selection trade-offs.
  • Solid networking skills, including high-speed interconnects (InfiniBand andEthernet) and secure network design.
  • Real understanding of security requirements for critical infrastructure: physical security, access management, supply-chain integrity, and frameworks such as ISO 27001, SOC 2, or Finland’s Katakri criteria.
  • Comfort with Linux and automation — you automate what you would otherwise repeat.
  • A doer’s temperament: you take ambiguous goals, break them into concrete steps, and deliver without waiting to be told twice.
  • Fluent English; Finnish is a plus. Willingness to travel occasionally.

Nice to have

  • Experience with NVIDIA DGX/HGX-class systems, liquid-cooled deployments, or multi-megawatt sites.
  • Background in environments with elevated security requirements (finance, government, defense, or critical infrastructure) or eligibility for security clearance.
  • Experience negotiating with colocation providers, utilities, or hardware vendors.
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