Hardware Engineer - Liquid Cooling

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com. CoreWeave is seeking a highly skilled and motivated Hardware Engineer specializing in liquid cooling to join our Hardware Compute organization. This role will focus on the design, deployment, automation, and operation of the liquid cooling infrastructure that keeps CoreWeave’s highest-density GPU platforms running at scale. As a Hardware Engineer, Liquid Cooling, you will own liquid cooling infrastructure from the rack to the facility interface, balancing hands-on engineering with operational support. You will automate the liquid cooling hardware lifecycle, develop hardware and firmware management services, and build monitoring, alerting, and control systems for pumps, valves, and flow and temperature sensors. Working closely with data center facilities teams, server OEMs, and cooling vendors, you will qualify new platforms, resolve RMA and quality issues, and troubleshoot live production thermal events through to root cause. You will serve as an escalation point for liquid cooling and thermal issues across all of our deployments, participate in an on-call rotation, and feed operational insights back into platform automation and design improvements. Required qualifications • 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 center, cloud, or high-performance computing environments. • Strong understanding of data center 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. • Demonstrated experience supporting production infrastructure, driving incident escalations through to root-cause resolution, and participating in on-call rotations. • Excellent technical documentation, analytical problem-solving skills, and written and verbal communication skills. Preferred qualifications • Hands-on experience with in-rack CDUs (Coolant Distribution Units), liquid-to-air heat exchangers, or remote cooling units. • Experience bringing up new data center regions or deploying liquid cooling infrastructure at scale. • Familiarity with rack-scale liquid-cooled platforms, such as NVIDIA GB200 / GB300, and CDU vendor management interfaces. • Experience with BMC technologies, Kubernetes-based services, and observability tools such as Prometheus and Grafana. • Familiarity with facility-side systems, including chilled water plants, CRAHs, and Building Management Systems (BMS). Wondering if you’re a good fit? We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams – even if you aren't a 100% skill or experience match. Why CoreWeave? 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 We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and provides the opportunity to develop innovative solutions to complex problems. As we get set for take off, the growth opportunities within the organization are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us! The base salary range for this role is $120,000 to $242,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility). What We Offer The range we’ve posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location. In addition to a competitive salary, we offer a variety of benefits to support your needs. The benefits below reflect our US-based offerings for full-time employees; for roles in other locations, benefits vary and are shared during the hiring process. These include: • 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 • Cater