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.
To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Design Validation Engineer located in Taiwan Taipei Wugu Site.
Reporting to the RD Director, This Design Validation Engineer role involves developing, validating, and sustaining cost effective and robust test methodologies for server Power Supply Units (PSU), Battery Backup Units (BBU), and Battery Management Systems (BMS) across R&D, NPI, and mass production.
What a typical day looks like:
Test Strategy & Coverage Development
Define comprehensive test coverage, test jig design and specification, limits, and acceptance criteria for EVT, DVT, PVT, and MP phases. Establish methodologies for validating power stages, control function, protection features, balancing algorithms, and BMS interfaces. Drive DFx/Testability improvements with hardware, firmware, and system teams.
Test System & Automation Development
Architect, build, and integrate test fixtures, load banks, oscilloscopes, DAQs, communication interfaces, and measurement systems. Develop automated test sequences using SCPI, NI VISA, VB/VBScript, and internal ATS platforms. Ensure test equipment calibration, traceability, and long-term maintainability. Implement robust safety procedures for high voltage validation environments.
Power & Communication Performance Validation
Validate PFC, LLC/DC DC stages, efficiency, transient response, protections, thermal behavior, and derating profiles. Characterize BMS functions including SOC/SOH estimation, cell balancing, charge/discharge control, and system alarms. Validate digital communication protocols including PMBus, CAN/UDS, and RS 485/Modbus to ensure functional and fault tolerant operation.
Data Analytics, Reporting & Quality Management
Acquire, process, and analyze test data to identify trends, escapes, FPY gaps, and systemic issues. Prepare clear and structured reports for engineering reviews, customer discussions, and factory builds. Maintain controlled revision histories of test methods, scripts, and documentation.
Issue Resolution & Continuous Improvement
Lead root cause analysis for test failures, escapes, and yield issues. Drive containment, corrective actions, and long term preventive measures. Collaborate cross functionally with FW, HW, ME, TE, and factory quality teams.
Manufacturing & NPI Support
Transfer developed test solutions to manufacturing sites; ensure alignment with process, capability, and quality requirements. Train technicians, operators, and factory test engineers. Support pilot builds, ramp readiness, and urgent on site issue containment.
The experience we’re looking to add to our team:
Here are a few examples of what you’ll get for the great work you provide:
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).