Senior Thermal Engineer **General Information** Req # WD00085476 Career area: Hardware Engineering Country/Region: United States of America State: North Carolina City: Morrisville Date: Monday, July 21, 2025 Working time: Full-time **Additional Locations** : * United States of America - North Carolina - Morrisville **Why Work at Lenovo** We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$57 billion revenue global technology powerhouse, ranked #248 in the Fortune Global 500, and serving millions of customers every day in 180 markets. Focused on a bold vision to deliver Smarter Technology for All, Lenovo has built on its success as the world’s largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo’s continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. Lenovo is listed on the Hong Kong stock exchange under Lenovo Group Limited (HKSE: 992) (ADR: LNVGY). This transformation together with Lenovo’s world-changing innovation is building a more inclusive, trustworthy, and smarter future for everyone, everywhere. To find out more visit www.lenovo.com , and read about the latest news via ourStoryHub (https://news.lenovo.com/) . **Description and Requirements** The position is for a **Senor Thermal Engineer** in the Lenovo Infrastructure Solutions Group (ISG), based in Morrisville, North Carolina. This is an exciting role in the Cloud Service Provider Group (CSP) that has a strong focus to be the #1 infrastructure provider for cloud datacenters that providing computing, storage, and GPU services to cloud customers. We are seeking a Thermal System Engineer with server thermal design and validation experiences. The thermal engineer will be an integral member of a team responsible for developing, testing innovative and complex computing, storage and GPU servers with both air and liquid cooling. At Lenovo, we pride ourselves on delivering end-to-end solutions tailored to meet even the most unique customer demands. Our CSP solutions are conceptualized, developed, and deployed worldwide, all within our in-house expertise. **What You'll Do** + Develop racks/server infrastructure in cloud data center, include compute server, storage server, GPU server. + Qualify racks/server compliance with customer data center requirement through thermal, power and airflow test under heavy load. + Design and develop thermal management solutions for server systems, including air cooling, liquid cooling, heat sinks, heat pipes, and other cooling technologies. + Perform thermal simulations using Computational Fluid Dynamics (CFD) tools (e.g., ANSYS, Icepak, FloTHERM) to predict heat distribution, airflow, and temperature gradients in server enclosures. + Optimize fan and blower performance for airflow, noise, and efficiency. Develop cooling strategies for high-density components such as CPUs, GPUs, memory, and power supplies. + Work closely with mechanical, electrical, and systems engineers to ensure thermal systems meet overall product requirements and are aligned with design constraints. + Build and test prototypes, refine designs based on test results, and troubleshoot issues related to mechanical performance, thermals, and noise. **Basic Qualifications** + Master’s degree in mechanical engineering, thermal engineering, or a related field with a focus on heat transfer and thermodynamics. + 10+ years of experience in thermal design, preferably within the server, data center, or electronics industry. + Experience with CFD tools such as ANSYS, Icepak, FloTHERM, or similar for conducting thermal simulations and optimizing airflow and heat dissipation. + Experience with cooling technologies such as heat sinks, vapor chambers, fans, and liquid cooling solutions. + Experience in thermal testing and validation, including the use of thermal chambers, infrared thermography, and data acquisition tools for real-world performance evaluation. **Preferred Qualifications** + Experience working on thermal designs for servers, storage systems, or data center hardware. + Experience with liquid cooling systems, vapor chambers, or immersion cooling in high-performance computing environments. + Understanding of the thermal challenges associated with AI/ML, high-performance computing (HPC), or other advanced workloads. + Experience with designing systems that meet energy efficiency standards and reduce overall power consumption. + Strong analytical and problem-solving abilities, with the ability to identify and resolve complex thermal challenges in server environments. + Strong communication skills to work effectively with cross-functional teams, including mechanical, electrical, and system engineers. + Ability to create detailed engineering drawings, thermal models, and documentation for both internal and external stakeholders. + Strong attention to detail in both design and documentation, ensuring high-quality deliverables. _We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, religion, sexual orientation, gender identity, national origin, status as a veteran, and basis of disability or any federal, state, or local protected class._ **Additional Locations** : * United States of America - North Carolina - Morrisville * United States of America * United States of America - North Carolina * United States of America - North Carolina - Morrisville