Principal Thermal Engineer

At Jabil (NYSE: JBL), we are proud to be a trusted partner for the world's top brands, offering comprehensive engineering, supply chain, and manufacturing solutions. With 60 years of experience across industries and a vast network of over 100 sites worldwide, Jabil combines global reach with local expertise to deliver both scalable and customized solutions. Our commitment extends beyond business success as we strive to build sustainable processes that minimize environmental impact and foster vibrant and diverse communities around the globe.

Responsibilities:

Capable to own the rack-level liquid cooling architecture, including CDU, rack manifold, loop flow balancing, and redundancy budgeting

Influence the integration of thermal strategy into the overall system architecture, ensuring alignment with technology roadmaps

Identify and evaluate new technologies, innovations, and outsourced partner relationships for alignment with the technology roadmap

Use CFD tools ( FloTherm , Macroflow ) to drive optimized thermal solutions between thermal and power requirements

Define rack-level validation strategies, including qualification scope, test coverage, and success criteria. Prove correlation between simulation and test data

Lead thermal development activities, providing design guidance and methodologies to less-experienced staff members

Effective communication of complex product architectures and design proposals to executive levels and cross-functional teams

Basic Requirements :

Bachelor’s or Master’s Degree in Mechanical/Thermal Engineering and 12+ years total experience in product design (Server, PC, or Consumer Electronics)

5+ years specifically in rack-level or datacenter liquid cooling

Deep understanding of rack-level systems: CDU operation, flow balancing, redundancy, and serviceability

Advanced proficiency in FloTherm , Macroflow , or equivalent for CFD analysis

Expertise in 3D CAD (Creo or SolidWorks)

Excellent English communication skills (verbal and written) with strong technical leadership capabilities

Desirable Requirements:

Self-motivated and proactive

Fluent in English language (verbal and written)

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