Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.
Job Summary
To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Sr.
Director, Liquid Cooling located in Guadalajara, North Campus.
Reporting to the VP Operations, this role involves being lead the end-to-end design, implementation, and validation of liquid cooling infrastructure, with the overall focus to ensure customer satisfaction and retention to generate growth for the business.
What a typical day looks like:
- Provide technical leadership for the design and development of complex liquid cooling solutions in the data center Hydraulic Dynamics at the rack and server level.
- Responsible for the thermal and mechanical implementation of fluid distribution systems within server racks.
- Expertise in fluid systems design to deliver high performance liquid cooling with production level reliability.
- Contribute to the design of servers, racks, and associated data center building blocks.
- Develop interface management for liquid systems and develop standards by which the team is able to scale our liquid cooled systems development in pace with the growth of AI.
- Ensure projects meet technical, cost, and time objectives, ability to oversee NPI (New Product Introduction) phases and infrastructure readiness.
- Responsible for creating product specifications, interface control documents, and associated collateral.
- Implement continuous improvement and define performance KPIs.
- Ensure compliance with thermal dissipation and energy requirements across liquid and air-cooling systems.
- Drive alignment and execution of complex, cross-functional projects.




- Collaborate with internal and external stakeholders to ensure seamless integration and performance, to align goals, timelines, and execution.
Experience we're looking to add to our team:
- BA/BS/MBA or equivalent work experience.
- 10+ years of industry experience related to thermal systems design and development.
- Technical engineering experience managing in operations & engineering (Processes, Product, Equipment, Assembly, Tests, FA & Facilities).
- Understanding of thermal and mechanical design principles, fluid dynamics, pumps and compressors, mechanical vibration and shock, valve and manifold design, material compatibility, manufacturing processes, and validation.
- Experience with Thermal/Fluids simulation using Ansys/Fluent.
- Liquid cooling processes, cold plate soldering and thermal management in electronic manufacturing environment.
- Deep understanding of water pressure systems, flow control, and thermal dissipation in high-performance environments.
- Experience managing clean room environments, cooling systems, and POD cooling connections within advanced manufacturing settings.
- Demonstrated ability to lead and influence through deep technical knowledge.
- Skilled in managing highly complex projects with multiple stakeholders.
- Strong leadership presence with the ability to drive cross-functional collaboration.
- Oversee the execution and integration of four core areas: NPI Plan (New Product Introduction), SCP Clean Room, Cooling System, POD Cooling Connections.
- Fluent English.
What you'll receive for the great work you provide:
- Competitive Salary.
- Life & Medical insurance.
- Christmas Bonus.
- Food Coupons.
- Saving Fund.
AH02
Job Category
Production Engineering
**Required Skills**:
Optional Skills:

📌 Sr Director Engineering Liquid Cooling (Guadalajara)
🏢 Flex
📍 Guadalajara