Sr Process Engineer - Solder Cold Plate

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

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. The spin is planned for Q1 2027. If the intended spin occurs, this role will support SpinCo, 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 support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Senior Process Engineer-Solder Cold Plate located in Guadalajara, North Campus.

Reporting to the Process Engineer Manager. We are seeking a highly skilled Lead Process Engineer to oversee and optimize our manufacturing operations, with a critical and specialized focus on Solder Cold Plate (SCP) processes, which serve as the primary technical differentiator and top priority for this role.

What a typical day looks like:

• The incumbent will be responsible for managing the integrity of complex assembly processes, ensuring operational excellence, adherence to quality standards, and driving continuous innovation through Lean Manufacturing methodologies.
• Additionally, this role serves as the primary technical point of contact for international clients, providing leadership and mentorship to a team of engineers to ensure project scalability, robustness, and success.
• Supervise, mentor, and coach a team of process engineers, fostering a high-performance environment and a collaborative team culture.
• Serve as the technical lead and point of contact for international clients, conducting meetings and presentations fluently in English.
• Spearhead process improvements using Lean methodologies to optimize cycle times, cost efficiency, and product quality.

Experience we’re looking to add to our team:

• BA/BS or equivalent work experience.
• Advanced English.
• SMT Proficiency: Manage and optimize SMT lines, including DEK (stencils/printing), SPI (solder paste inspection), Camelot (dispensing), and thermal profiling for reflow ovens.
• Specialized Assembly: Oversee and ensure compliance in Pressfit technology, fastening/screwing processes, and general assembly.
• Documentation & Quality: Develop and maintain process flowcharts, pFMEA, and control plans to guarantee robust, repeatable processes.
• Experience in Solder Cold Plate (SCP) Processes: In-depth experience in execution, troubleshooting, and process optimization. This is the core requirement for this position.
• Vacuum Thermal Processing: Expert configuration and profiling for vacuum ovens.
• Flux Management: Precision in Flux application and inspection techniques.

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

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

SC69

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 [email protected] 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).