Senior Failure Analysis Engineering lead – Power Electronics

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. 

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Job Summary

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 Failure Analysis Engineer – Power Electronics located in Guadalajara, North Campus.

This role is responsible for leading complex failure analysis activities on power electronics products (AC/DC, DC/DC, LLC topologies), driving root cause identification, corrective actions, and continuous improvement initiatives across NPI and high-volume manufacturing.

The position plays a key role in ensuring product quality, reliability, and customer satisfaction, while developing diagnostic capabilities, processes, and technical expertise at the site level.

What a typical day looks like:

• Lead failure analysis activities for power electronics products, identifying electrical, component, design, and system-level failures.

• Drive root cause analysis and corrective/preventive actions （RCCA） to resolve complex production and field issues.

• Define and implement failure analysis methodologies, debug strategies, and diagnostic processes to improve efficiency and accuracy.

• Analyze test logs, CPK data, burn-in （BI） data, and reliability trends to identify systemic and recurring failures.

• Analyze test logs, CPK data, burn-in （BI） data, and reliability trends to identify systemic and recurring failures.

• Perform advanced debugging using oscilloscopes, multimeters, power analyzers, and other lab equipment.

• Collaborate cross-functionally with R&D, Manufacturing, Quality, and Repair teams to resolve technical issues and improve product robustness.

• Support NPI, pilot builds, and mass production, ensuring failure analysis readiness and test coverage.

• Develop and release failure analysis reports, repair guidelines, and technical documentation for internal teams and customers.

• Present bilingual (English/Spanish) technical reports to stakeholders, including customers.

• Drive yield improvement and failure reduction initiatives through data analysis and Pareto evaluation.

• Lead continuous improvement of FA lab capability, including equipment definition, process standardization, and capacity planning.

• Train and mentor technicians and engineers, enhancing technical capability and diagnostic effectiveness across the team.

Experience we’re looking to add to our team:

• Bachelor’s degree in electrical engineering, Electronics, Power Electronics, or related field.

• Strong experience in failure analysis or test engineering within electronics manufacturing.

• Strong expertise in power electronics (AC/DC, DC/DC, LLC converters, PSU, BBU/CBU, power shelves, rack systems).

• Proven experience in root cause analysis, debugging, and failure investigation at component, circuit, and system level.

• Hands-on experience with electronic lab and diagnostic equipment (oscilloscope, power analyzer, etc.).

• Strong understanding of test data analysis (CPK, yield trends, reliability data, Pareto analysis).

• Experience supporting NPI, manufacturing, and repair environments in high-volume production.

• Ability to define and improve failure analysis processes, tools, and methodologies.

• Strong cross-functional collaboration with R&D, Quality, Manufacturing, and Customer teams.

• Experience preparing and delivering technical reports and customer presentations.

• Advanced English proficiency （written and verbal）.

• Demonstrated ability to mentor and train technical teams and drive best practices adoption.

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

• Competitive Salary.

• Life & Medical insurance.

• Christmas Bonus.

• Food Coupons.

• Saving Fund.

JM54

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).