Principal Thermal Engineer

Jabil US Holding, Inc. FKA Celetronix USA, Inc

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Sanchong Until 9/15/2026 12+ years exp H-1B sponsor history First posted July 17, 2026 Last posted July 17, 2026
Job description
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)

 

 

BE AWARE OF FRAUD: When applying for a job at Jabil you will be contacted via correspondence through our official job portal with a jabil.com e-mail address; direct phone call from a member of the Jabil team; or direct e-mail with a jabil.com e-mail address. Jabil does not request payments for interviews or at any other point during the hiring process. Jabil will not ask for your personal identifying information such as a social security number, birth certificate, financial institution, driver’s license number or passport information over the phone or via e-mail. If you believe you are a victim of identity theft, contact your local police department. Any scam job listings should be reported to whatever website it was posted in.

Jabil, including its subsidiaries, is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, age, disability, genetic information, veteran status, or any other characteristic protected by law.

 

Accessibility Accommodation  

If you are a qualified individual with a disability, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access Jabil.com/Careers site as a result of your disability. You can request a reasonable accommodation by sending an e-mail to [email protected] with the nature of your request and contact information. Please do not direct any other general employment related questions to this e-mail. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to.

 

#whereyoubelong

 

 

About this role

Summary

Lead thermal system design and CFD analysis for datacenter cooling solutions.

Job title

Principal Thermal Engineer

Experience level

12+ years

Minimum experience

12+ years exp

Industry

electronics manufacturing

Location requirements

Sanchong, no remote work allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Mechanical engineeringThermal engineeringCFD tools (FloTherm, Macroflow)3D CAD (Creo, SolidWorks)English communication

Preferred skills

self-motivatedproactivefluent in English

Specializations

thermal engineeringCFD analysisliquid coolingrack systemssystem architecture
Locations

Structured locations inferred from the posting.

Sanchong District, New Taipei City, Taiwan 241

On-site Place