Mechanical Thermal Engineer

Santa Clara, CA
Technology Group - Future Energy Technology Center – Mechanical Engineering /
Full-time (Hybrid) /
Hanwha Q CELLS Co., Ltd., is one of the world´s largest and most recognized photovoltaic manufacturers for its high-performance, high-quality solar cells and modules. It is headquartered in Seoul, South Korea (Global Executive HQ) and Talheim, Germany (Technology & Innovation HQ). Through its growing global business network spanning Europe, North America, Asia, South America, Africa, and the Middle East, the company provides excellent services and long-term partnerships to its customers in the utility, commercial, government, and residential markets. Hanwha Q CELLS is a flagship company of Hanwha Group, a FORTUNE Global 500 firm and a Top 7 business enterprise in South Korea. 

Our mission is to provide affordable and smart energy solutions through technology and innovation to create a sustainable future for the planet. We are expanding our business by offering revolutionary energy systems to residential customers including ESS, MLPE (power optimizers, micro-inverters), EV charging solutions, and Smart IoT with world-class solutions. 
Future Energy Technology Center (FETC) is looking for a Mechanical Engineer to work on cooling solutions for low and high-power electronics. You will work on analyzing thermal problems, proposing and designing cooling solutions, performing testing to validate all solutions, and support from design concept to hand off to production.


    • Analyze and design thermal management solutions for power electronics devices and other power electronics elements (inductors, capacitors, etc.)
    • Perform thermal and fluid simulations of cooling solutions in Ansys or similar FEA software
    • Validate concepts and solutions with experiments in the lab for thermal design
    • Design to meet all cost and cooling targets
    • Generating mechanical CAD files


    • Bachelor’s or higher Degree in Mechanical Engineering, or a related field
    • Minimum of 5 years of experience in power electronics thermal design
    • Experience with CAD systems (Solidworks or similar software)
    • Good knowledge of 3D modeling
    • Proficient experience in thermal design using FEA software including Icepak, Comsol or SW flow simulation
    • Extensive knowledge of heatsinks, fans, TIM, cold plate and heat exchanger design
    • Proficient Experience with natural convection, forced air convection and liquid cooling projects


    • Previous experience in a similar power electronics field in powers ranging from hundreds of Watts to 1MW
    • Experience in areas of PV (solar) inverters, EV chargers, battery storage, or similar technologies
    • Experience in low and high-volume production
    • Experience with static and dynamic mechanical simulations