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About the Role
Flex is seeking a Principal Engineer, Advanced Cooling Engineering to lead the advanced thermal management strategy for next-generation AI data center infrastructure for SpinCo, a new independent company focused on digital infrastructure. This hands-on technical leadership role involves developing roadmaps, engineering capabilities, and driving the design-build cycle for solutions including direct-to-chip liquid cooling, secondary fluid networks, and facility-level cooling.
Responsibilities
- Define and lead the multi-generation cooling roadmap across rack, row, hall, and facility-level thermal management.
- Lead applied R&D and prototype development for high-heat-flux cooling solutions supporting next-generation AI XPUs and high-density compute platforms.
- Develop SpinCo’s integrated thermal management strategy, connecting rack-level liquid cooling, CDUs, facility cooling, containment, and controls into a coordinated platform.
- Partner with Systems Architecture Engineering to ensure thermal systems are designed concurrently with power, IT infrastructure, controls, and modular product architectures.
- Establish design standards, interface control documents, product specifications, and validation requirements for scalable liquid cooling platforms.
- Support customer-facing technical reviews with hyperscalers, colocation providers, neoclouds, and ecosystem partners.
- Drive manufacturability, reliability, cost optimization, and design-for-scale practices in partnership with operations, supply chain, quality, and manufacturing engineering.
Requirements
- Bachelor’s degree in Mechanical Engineering, Thermal Engineering, Aerospace Engineering, or related technical field; Master’s or PhD preferred.
- 12+ years of experience in thermal systems, liquid cooling, HVAC, data center infrastructure, or advanced mechanical systems.
- Demonstrated leadership in electrical, mechanical, and/or systems architecture engineering disciplines.
- Demonstrated expertise in fluid dynamics, heat transfer, pumps, manifolds, valves, material compatibility, mechanical reliability, and thermal/fluid simulation.
- Experience with direct-to-chip liquid cooling, CDUs, rack/server thermal design, or high-density data center cooling strongly preferred.
- Proven ability to lead multidisciplinary engineering teams from concept through validation and commercialization.
- Strong cross-functional leadership across product management, PMO, operations, manufacturing, supply chain, quality, and customers.
- Demonstrated personal track record producing thermal designs, fluid and thermal simulation, and validated hardware, not only managing teams that do.
Skills
- thermal systems
- liquid cooling
- HVAC
- data center infrastructure
- advanced mechanical systems
- fluid dynamics
- heat transfer
- pumps
- manifolds
- valves
- material compatibility
- mechanical reliability
- thermal/fluid simulation
- direct-to-chip liquid cooling
- CDUs
- rack/server thermal design
- high-density data center cooling
Location
- Austin, TX
Work Type
- Full-time
Experience Level
- 12+ years of experience
Education Level
- Bachelor's degree in Mechanical Engineering, Thermal Engineering, Aerospace Engineering, or related technical field
- Master's or PhD preferred
Benefits
- Full range of medical, dental, and vision plans
- Life Insurance
- Short-term and Long-term Disability
- Matching 401(k) Contributions
- Vacation and Paid Sick Time
- Tuition Reimbursement
About the Company
- Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.
- A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment.
- Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, which we’re calling SpinCo, until the name is unveiled.
- SpinCo will focus on critical digital infrastructure, delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications.
Equal Opportunity
- Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities.
- We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law.
- We're happy to provide reasonable accommodations to those with a disability for assistance in the application process.