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Senior Thermal Engineer
Senior Thermal EngineerLenovo • Morrisville, NC, US
Senior Thermal Engineer

Senior Thermal Engineer

Lenovo • Morrisville, NC, US
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Description and Requirements

The position is for a Senior 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 or higher in mechanical engineering, thermal engineering, materials 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
  • J-18808-Ljbffr

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    Thermal Engineer • Morrisville, NC, US

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