Hardware Engineer - Liquid Cooling

Summary

CoreWeave is The Essential Cloud for AI™, providing technology and infrastructure for AI innovators. The Hardware Engineer will design, develop, and optimize liquid cooling hardware infrastructure while collaborating with cross-functional teams to ensure reliable hardware solutions.

Responsibilities

• Develop and maintain hardware/firmware management services
• Automate all aspects of the liquid cooling hardware lifecycle
• Collaborate with cross-functional teams to define liquid cooling hardware requirements, specifications, and system architecture
• Create and maintain accurate documentation of liquid cooling hardware designs, specifications, test procedures, and results
• Analyze and optimize the performance of liquid cooling hardware systems, identify bottlenecks, and propose improvements for enhanced efficiency
• Establish processes for internal liquid cooling hardware testing, deployment, and performance optimization
• Optimize,test, and support rack-level liquid cooling solutions, including in-rack CDU (Coolant Distribution Unit) configurations
• Work with liquid-to-air sidecars and remote CDUs to manage heat rejection and optimize thermal performance
• Collaborate with data center facilities teams to integrate liquid cooling systems into broader infrastructure designs
• Develop and implement monitoring, alerting, and control systems for liquid cooling components (e.g., pumps, valves, flow sensors)
• Interface with server vendors and OEMs to validate compatibility of hardware with liquid-cooled chassis and configurations

Skills

• Must have at least 4 years professional experience
• Hands-on experience with in-rack CDUs, liquid-to-air heat exchangers, or end-of-row cooling units
• In-depth knowledge of server hardware, components, and management technologies
• Strong understanding of data center thermal design principles, including air and liquid cooling fundamentals
• Familiarity with coolant types, thermal transfer mechanisms, and leak detection/mitigation techniques
• Proficiency in ansible/python and experience with programmatically interacting with hardware using IPMI, SSH, or Redfish (preferably Redfish)
• Proven ability to collaborate with hardware and facility engineering teams to deliver integrated cooling solutions
• Strong passion for automation and infrastructure scalability, with a commitment to continuous improvement
• Excellent documentation skills and attention to detail
• Strong analytical and problem-solving abilities

Qualifications

Must Haves

• Must have at least 4 years professional experience
• Hands-on experience with in-rack CDUs, liquid-to-air heat exchangers, or end-of-row cooling units
• In-depth knowledge of server hardware, components, and management technologies
• Strong understanding of data center thermal design principles, including air and liquid cooling fundamentals
• Familiarity with coolant types, thermal transfer mechanisms, and leak detection/mitigation techniques
• Proficiency in ansible/python and experience with programmatically interacting with hardware using IPMI, SSH, or Redfish (preferably Redfish)
• Proven ability to collaborate with hardware and facility engineering teams to deliver integrated cooling solutions
• Strong passion for automation and infrastructure scalability, with a commitment to continuous improvement
• Excellent documentation skills and attention to detail
• Strong analytical and problem-solving abilities

Benefits

• Medical, dental, and vision insurance - 100% paid for by CoreWeave
• Company-paid Life Insurance
• Voluntary supplemental life insurance
• Short and long-term disability insurance
• Flexible Spending Account
• Health Savings Account
• Tuition Reimbursement
• Ability to Participate in Employee Stock Purchase Program (ESPP)
• Mental Wellness Benefits through Spring Health
• Family-Forming support provided by Carrot
• Paid Parental Leave
• Flexible, full-service childcare support with Kinside
• 401(k) with a generous employer match
• Flexible PTO
• Catered lunch each day in our office and data center locations
• A casual work environment
• A work culture focused on innovative disruption
• Hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets
• New hires will be invited to attend onboarding at one of our hubs within their first month
• Teams also gather quarterly to support collaboration