Hardware Engineer - Liquid Cooling

CoreWeave is seeking a highly skilled and motivated Infrastructure/Hardware Engineer to join our Hardware Engineering team, reporting to the Hardware Engineering Manager. In this role, you will play a crucial part in the design, development, and optimization of our liquid cooling hardware infrastructure. You will collaborate closely with cross-functional teams, external vendors, and stakeholders to ensure the successful delivery of highly performant and 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.

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.

At CoreWeave, we work hard, have fun, and move fast!  We’re in an exciting stage of hyper-growth that you will not want to miss out on. We’re not afraid of a little chaos, and we’re constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values: 

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

While we prioritize a 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.

California Consumer Privacy Act - California applicants only

CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.

As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: careers@coreweave.com.

This position requires access to export controlled information.  To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency.  CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.