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.

Job Summary

Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, which we’re calling Spin Co, until the name is unveiled. The spin is planned for Q1 2027. If the intended spin occurs, this role will support Spin Co, which will focus on critical digital infrastructure, delivering end-to-end power and thermal management solutions for AI data centers and other mission‑critical applications. To contribute to our efforts and support the teams that build great products, we are looking for an SMT & Solder Cold Plate (SCP) Process Supervisor, located at Guadalajara North Campus. Reporting to the Process Engineer, this role is responsible for supervising critical SMT and SCP processes, ensuring the correct execution of production plans, and leading the technical team to meet quality, cost, delivery, and continuous improvement objectives.

What a typical day looks like Supervise technical activities in SMT and SCP processes and coordinate the technical team. Develop and optimize programs for DEK, SPI, Camalot, Press Fit, and other process‑related equipment. Analyze and validate stencils; perform SPI debug and P&P; failure analysis. Develop reflow profiles and validate fixtures, pallets, and process tooling. Support SCP process controls, soldering validations, thermal assemblies, and related manufacturing requirements. Create procedures, visual aids, and technical presentations. Perform capacity calculations, rates, process mapping, and root‑cause analysis. Document and implement continuous improvement actions and Kaizen events.



The experience we’re looking to add to our team Engineering degree. Experience in SMT, Solder Cold Plate (SCP), PTH, and Backend processes, including paste printing, SPI, edge bonding, soldering processes, and smart torque systems. Knowledge of stencil design, reflow profiling, tooling/fixture design, pallet validation, and process controls for thermal assembly applications. Familiarity with IPC‑A‑610, CPK calculations, CAD/Gerber files, and MS Office. Previous experience supervising and developing technical personnel. Experience with production control systems (serial control, flows, traceability). Schedule availability. What you’ll receive Competitive salary. Life & medical insurance. Christmas bonus. Food coupons. Savings fund. PA91 Job Category Operations Required Skills: Optional Skills.

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. Please email accessibility@ and we’ll discuss your specific situation and next steps.

Through the collective strength of ~150,000 team members across 30 countries and responsible, sustainable operations, 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 with Flex offers the opportunity to make a difference, invest in your growth, and build great products for our customers that improve people’s lives. Together, let’s create the extraordinary!

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