Hiring: Principal Thermal Mechanical Engineer Company: JETCOOL Technologies Inc. Location: Littleton, MA Job Posted Time: 2026-09-10 13:59:41 Target Skills & Keywords : Assembly, AutoCAD, CAD, Product Management, SolidWorks, Systems Design About the job Experience: •7 years of post-collegiate experience in designing and engineering fluid systems, preferably within the data center thermal management/ cooling, automotive, medical, or nuclear industries. •3 years working at senior or principal engineer level in an industrial setting. Required Skills: •To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Principal Thermal Mechanical Engineer located in Littleton, MA. •What a Typical Day Looks Like •Lead the initial design, analysis, and optimization of complex fluid systems from concept initial CAD to final detailed CAD and drawing for liquid cooling, including cold plates, pumps, fluids, tubing, and heat exchangers, for the latest computer processing chipsets. •Partner cross-functionally with customer and partner teams to integrate fluid systems into overall product designs. •Conduct fluid flow simulations, analyses, and tests to ensure efficient and reliable performance of fluid systems under various operating conditions. •Perform detailed calculations and analysis of fluid dynamics, pressure drops, thermal performance, and material compatibility. •Develop and review engineering specifications, and documentation for fluid system and heat transfer components and assemblies, ensuring compliance with industry standards and regulatory requirements. •Assist in maintaining a strong best practice culture and driving additional foundational knowledge and IP through research. Compensation: •Full range of medical, dental, and vision plans Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!