Thermal Engineer (R&D) at LiquidStack

<div class="content-intro"><p>At LiquidStack, we’re redefining what’s possible in the data center world. As a global leader in advanced liquid cooling solutions, we’re powering the future of AI, edge computing, and high-performance systems. Our team is growing, and we’re looking for skilled professionals who want to be part of something innovative and impactful.</p></div><p>LiquidStack is scaling its R&amp;D organization to advance liquid cooling and high-performance thermal solutions for data center and computing environments. We are seeking a mid-level Thermal Engineer to take hands-on ownership of the design, analysis, testing, and validation of thermal systems across both current products and next-generation platforms.</p> <p>In this role, you will work end-to-end on thermal challenges — from thermal analysis and modeling to prototyping, lab testing, and data correlation — partnering closely with mechanical, electrical, firmware, manufacturing, and service teams. Your work will directly influence product performance, reliability, and how solutions are deployed in real customer environments.</p> <p>This position is ideal for an engineer with 3–5 years of experience who is comfortable working independently, thrives in a collaborative environment, and is ready to grow into broader system-level responsibility as LiquidStack scales. As the organization evolves, this role offers increasing scope, visibility, and the opportunity to help shape how thermal engineering is executed across the company.</p> <p>Engineers who succeed at LiquidStack are Flexible and Agile in adapting to change, Driven to own outcomes, Collaborative across disciplines, and Customer-Centric and Attentive in using data, testing, and clear communication to solve complex thermal problems.</p> <p>(LiquidStack does not provide visa sponsorship now or in the future.)</p> <h3 style="line-height: 1.1;"><span style="text-decoration: underline;">ESSENTIAL DUTIES AND RESPONSIBILITIES</span></h3> <p style="line-height: 1.1;"><strong>Thermal Design &amp; Analysis</strong></p> <ul> <li style="line-height: 1.1;">Design and develop thermal solutions for servers, electronics, and data center cooling systems, with a strong emphasis on liquid cooling technologies</li> <li style="line-height: 1.1;">Define thermal architectures that balance performance, reliability, manufacturability, and cost</li> <li style="line-height: 1.1;">Perform airflow, heat transfer, pressure drop, and temperature calculations to support design decisions</li> </ul> <p style="line-height: 1.1;"><strong>Modeling &amp; Simulation</strong></p> <ul> <li style="line-height: 1.1;">Develop and execute thermal test plans using lab equipment, sensors, and data acquisition systems</li> <li style="line-height: 1.1;">Analyze test data to validate performance against requirements and customer use cases</li> <li style="line-height: 1.1;">Support design iterations based on test findings and operational feedback</li> </ul> <p style="line-height: 1.1;"><strong>Prototyping &amp; Testing</strong></p> <ul> <li style="line-height: 1.1; text-align: left;">Support the setup and execution of thermal tests using lab equipment, sensors, and data acquisition systems</li> <li style="line-height: 1.1; text-align: left;">Assist with building prototypes and executing test plans to validate thermal designs</li> <li style="line-height: 1.1; text-align: left;">Collect, organize, and analyze test data to evaluate performance against requirements</li> </ul> <p style="line-height: 1.1;"><br><strong>Collaboration &amp; Documentation</strong></p> <ul> <li style="line-height: 1.1;">Work closely with mechanical, electrical, firmware, and operations teams to integrate thermal solutions into products.</li> <li style="line-height: 1.1;">Support integration of thermal solutions into production hardware and field deployments</li> <li style="line-height: 1.1;">Interface with vendors and suppliers for component selection and validation</li> </ul> <p style="line-height: 1.1;"><strong>Documentation &amp; Communication</strong></p> <ul> <li style="line-height: 1.1;">Produce clear technical documentation, test reports, and design summaries</li> <li style="line-height: 1.1;">Present findings and recommendations in design reviews and cross-functional forums</li> </ul> <h3>Required Skills &amp; Experience</h3> <ul> <li>Bachelor’s degree in Mechanical Engineering, Thermal Engineering, or a related discipline.</li> <li>3-5 years of experience in thermal engineering, HVAC, electronics cooling, or related engineering roles (including internships or co-op experience) <ul> <li>Foundational knowledge of: <ul> <li>Heat transfer and thermodynamics</li> <li>Fluid mechanics and airflow principles</li> <li>Thermal cycles (e.g., sensible cooling, evaporative effects</li> </ul> </li> </ul> </li> <li>Proficiency with CFD or thermal analysis tools (e.g., ANSYS, Icepak, Fluent, FloTHERM, or similar)</li> <li>Experience with CAD tools such as SolidWorks or AutoCAD</li> <li>Hands-on experience with lab testing, sensors, or data acquisition systems</li> <li>Strong problem-solving mindset and willingness to learn through hands-on experimentation</li> <li>Clear written and verbal communication skills.</li> </ul> <h3>Preferred Skills</h3> <ul> <li>Exposure to data center cooling, electronics thermal management, or liquid cooling technologies</li> <li>Familiarity with ASHRAE guidelines related to data centers or thermal systems</li> <li>Python, MATLAB, or similar tools for data analysis</li> <li>Internship, co-op, or early-career experience in an R&amp;D or product development environment</li> </ul> <p>&nbsp;</p> <p>&nbsp;</p><div class="content-conclusion"><p><strong><u>Why Join Us?</u></strong></p> <ul> <li>Competitive pay with opportunities for overtime</li> <li>Consistent day-shift schedule</li> <li>Paid time off, holidays, and great benefits</li> <li>Be part of an industry-disrupting company with room to grow</li> <li>Work on innovative technologies in a collaborative, supportive environment</li> </ul></div>