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. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Process Engineer located in Guadalajara, North Campus.

Reporting to the Process Engineering Manager, Process Engineer role involves responsible for developing, optimizing and controlling electronic manufacturing processes (SMT, PTH, Integration, Polymers), ensuring process stability, product quality and operational efficiency.

What a typical day looks like:

• Develop, validate, and maintain SMT, PTH, Integration, and Polymer processes.
• Lead improvement projects focused on Yield, Defects, Scrap, DPMO, and OEE.
• Analyze process and quality data (SPC, failure trends, Pareto).
• Implement and update PFMEA, Control Plans, and Work Instructions.
• Provide advanced technical support to production for process failure resolution.
• Actively participate in NPI, Transfers, and Ramp-ups. Coordinate pilot runs, basic DOE, and process validations.
• Optimize reflow profiles and wave/selective soldering.
• Work with suppliers on materials, stencils, pallets, and fixtures.
• Ensure compliance with ESD, IPC, and Safety standards.

The experience we’re looking to add to our team:

• Bachelor's degree in engineering in electronics, mechatronics or related.
• Solid experience in SMT: Pick & Place, paste printing, SPI and AOI inspection.
• Soldering: Reflow, Wave, Selective Soldering.
• Electronic Assembly: Box Build, wiring, torquing.
• Polymeric Welding: Underfill, Stacking, Conformal Welding.
• IPC Certification (IPC A 610 / IPC 7711/7721)
• Lean / Six Sigma Green Belt
• Solder and SMT defect analysis.
• PFMEA, Control Plan, SPC
• Lean Manufacturing and continuous improvement tools
• Materials knowledge: solder paste, flux, stencils.
• Basic statistical analysis (Minitab)
• Advanced Excel; Power BI desirable
• Intermediate English
• Demonstrates advanced operations, technical and people skills. Demonstrates expert knowledge of the function and a thorough understanding of Flex and related business. Demonstrates knowledge of multiple functional technologies/ processes, industries or functions and understanding of interdependencies of such processes at the site.
• Schedule availability
• Work under pressure.
• Organized

What you’ll receive for the great work you provide:

• Competitive Salary.
• Life & Medical insurance.
• Christmas Bonus.
• Food Coupons.
• Saving Fund.
• Life Insurance

AU51

Job Category

Production Engineering

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@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).