HHiring Reality
← CoreWeave Europe

Hardware Engineer, Liquid Cooling

CoreWeave Europe
Location
Warsaw, Poland
Posted
17 days ago
Department
Technology
What they actually want (must-haves)
  • Bachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience)
  • 4+ years of professional experience in hardware, infrastructure, thermal, or platform engineering roles in data centre, cloud, or high-performance computing environments
  • Hands-on experience with in-rack CDUs (Coolant Distribution Units), liquid-to-air heat exchangers, or remote cooling units
  • Strong understanding of data centre thermal design principles, coolant types, thermal transfer mechanisms, and leak detection methods
  • In-depth knowledge of server hardware, components, and fleet management technologies
  • Proficiency in Python or Ansible, with experience programmatically interacting with hardware using Redfish, IPMI, or SSH (Redfish preferred)
Nice to have
  • Experience bringing up new data centre regions or operating within customer/partner-owned facility infrastructure
  • Familiarity with rack-scale liquid-cooled platforms (e.g., NVIDIA GB200 / GB300) and CDU vendor management interfaces
  • Experience with BMC technologies, Kubernetes-based services, and observability tools (e.g., Prometheus, Grafana)
  • Familiarity with facility-side systems including chilled water plants, CRAHs, and Building Management Systems (BMS)
What the job really is

As a Hardware Engineer focused on Liquid Cooling at CoreWeave, you will manage the liquid cooling infrastructure from the rack to the facility interface, combining hands-on engineering with operational support. Your responsibilities include automating the liquid cooling hardware lifecycle, developing management services, and troubleshooting thermal events in collaboration with data center teams and vendors. You will also participate in an on-call rotation and provide insights for platform automation and design improvements.

Benefits
  • Family-level Medical Insurance
  • Family-level Dental Insurance
  • Generous Pension Contribution
  • Life Assurance at 4x Salary
  • Critical Illness Cover
  • Employee Assistance Programme
Things to weigh
  • No specific mention of the technology stack used beyond liquid cooling and server hardware
  • Role involves on-call rotation which may impact work-life balance
  • Position requires access to export controlled information, which may limit applicant pool
Job score3.2/5
Benefits4/5
Freshness4/5
Career value4/5
Role clarity4/5
Pay transparency0/5

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