Hardware Engineer - Liquid Cooling

CoreWeave; Sunnyvale (CA); Hybrid; USD 165,000 - 242,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Company-paid Life Insurance

Flexible Spending Account

401(k) with employer match

Flexible PTO

Catered lunch

Tuition Reimbursement

Job summary

A leading cloud infrastructure company is seeking a Hardware Engineer specializing in liquid cooling solutions in Sunnyvale, California. The role entails developing and optimizing server hardware infrastructure, requiring significant experience in automation, server management, and thermal design principles. Candidates must possess a passion for innovative solutions, strong analytical skills, and familiarity with liquid cooling systems. The position offers competitive compensation and a hybrid work environment, ideal for those eager to contribute to AI infrastructure advancements.

Qualifications

• Must have at least 4 years professional experience.
• Experience in interacting with server BMCs, using IPMI or Redfish.
• Knowledge of liquid cooling fundamentals.

Responsibilities

• Develop and maintain hardware/firmware management services.
• Automate aspects of the server and liquid cooling hardware lifecycle.
• Collaborate to define hardware requirements and specifications.

Skills

Proficiency in ansible/python

In-depth knowledge of server hardware

Strong understanding of data center thermal design principles

Hands-on experience with in-rack CDUs

Familiarity with coolant types

Proven ability to collaborate with engineering teams

Strong passion for automation

Excellent documentation skills

Strong analytical and problem-solving abilities

Job description

Join to apply for the Hardware Engineer - Liquid Cooling role at CoreWeave.

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.

What You’ll Do

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 server 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 server and liquid cooling hardware lifecycle.
• Serve as the senior point of contact for hardware and liquid cooling escalation and troubleshooting.
• Collaborate with cross‑functional teams to define server and 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.
• Design, validate, and support rack‑level liquid cooling solutions, including in‑rack CDU (Coolant Distribution Unit) configurations.
• Work with liquid‑to‑air sidecars and end‑of‑row 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.

Who You Are

Must have at least 4 years professional experience:

• Proficiency in ansible/python and experience with programmatically interacting with server BMCs, using IPMI or Redfish (preferably Redfish).
• In‑depth knowledge of server hardware, components, and management technologies.
• Strong understanding of data center thermal design principles, including air and liquid cooling fundamentals.
• Hands‑on experience with in‑rack CDUs, liquid‑to‑air heat exchangers, or end‑of‑row cooling units.
• Familiarity with coolant types, thermal transfer mechanisms, and leak detection/mitigation techniques.
• 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.

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?

About

• 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!

Compensation

The base salary range for this role is $165,000 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

In addition to a competitive salary, we offer a variety of benefits to support your needs, including:

• 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

Our Workplace

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.

Equal Opportunity Employer

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: [e-mail].

Export Control Compliance

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.