DQE Engineer

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

Responsibilities:

• Review customer product specification and reliability requirement document, develop Power Supply, Battery Backup Unit, Power Shelf and Rack qualification test plan (include product functional, climatic environmental and reliability requirements).
• Follow DQE test plan to perform the DQE test at designated design stages (before the product is released into manufacturing) and finish the test on time.
• Optimize some test method and equipment fixture
• Perform failure analysis for the test failure / issue occur during DQE test, then follow it until issue closed.
• Prepare DQE test report after DQE test
• Assess design team corrective action and conduct verification test for the DQE test issue.
• Review and track the project issue with design team, and follow it until the issue closed
• Conduct DQE test list (part):
  • Components Stress Analysis (Derating test, include fuse A²s); Thermal Test, Photocoupler Margin Analysis (CTR margin of the optocoupler)
  • E-Cap Life; CMTBF
  • Environment test, include humidity & temperature related test, Thermal shock, Temperature cycling / Thermal cycling, Altitude test, etc.
  • Mechanical test, include vibration, shock, drop, package, connector cycling test, etc.
  • ATE Functional test.
  • Strife Test
  • HALT (Highly Accelerated Life Testing)
  • Demonstrated MTBF / BBU Endurance Test
  • Power on/off cycling test, BBU charge / discharge cycling test

Requirements:

- Prefer to have 4~6 years (or above) reliability testing experience on Power Supply, Battery Backup

Unit, and Power Shelf / Rack test.

• - The position is responsible for CP all product Components Stress Analysis (Derating test, include fuse A²s); Thermal Test, Photocoupler Margin Analysis (CTR margin of the optocoupler), E-cap life and CMTBF, etc.

- Prefer to have testing experience with international companies, such as Microsoft, Amazon, Google, Nvidia etc.

- Prefer to have experience with power supply and BBU Firmware reliability test.

- Need to have strong failure analysis skill.

- Strong understanding of testing process and test methods.

- Familiar with the test equipment, such as AC/DC Source, E-Load, Chamber, vibration Tester, etc.

- Familiar some test standard requirement such as IPC9592B, ISTA, ASTM D 4169, etc.

- Understanding of failure / issue tracking process.

- Prefer fluent English communication ability

- Be able to work under pressure

- Good interpersonal skill

岗位职责:

-查看客户产品规范和可靠性要求文件, 制定开关电源, 备用电池电源制, Power Shelf和Rack定测试计划（包括产品功能, 环境温湿度等可靠性要求）。

-这个职位是负责产品的元器件降额测试(包括保险丝的A²s), 温度测试, 光耦的CTR分析, 电容寿命测试, CMTBF等。应该熟悉这些测试。

-遵循可靠性测试计划, 在指定的设计阶段（产品投入生产之前）执行可靠性试验, 并按时完成试验。

-优化一些测试方法和设备夹具。

-对可靠性测试期间发生的测试故障/问题进行故障分析, 跟踪直到问题解决。

-在可靠性测试后完成可靠性试验报告。

-评估设计团队的纠正措施, 并对可靠性测试问题进行验证测试。

-与设计团队一起审查和跟踪项目问题, 并跟踪直到问题解决。

-熟悉执行的可靠性测试列表（部分如下）:

元器件降额测试(包括保险丝的A²s), 温度测试, 光耦的CTR分析。

电容寿命测试, CMTBF。

环境试验, 包括湿度, 温度, 热冲击, 温度循环, 海拔试验等。

机械试验, 包括振动, 冲击, 跌落, 包装, 循环试验等。

Strife测试。

ATE功能测试。

 HALT (高加速寿命测试) 。

DMTBF / BBU耐久性试验。

开关机循环试验, BBU充放电循环试验。

岗位需求:

-有4~6年及以上电源, 备用电池电源, Power Shelf和Rack系统, 可靠性元器件降额测试(包括保险丝的A²s), 温度测试, 光耦的CTR分析, 电容寿命测试, CMTBF测试经验者。

-有电源和BBU产品 Firmware可靠性测试经验者优先。

-需要有较强的故障分析能力。

-对测试过程和测试方法有很透彻的理解。

-熟悉测试设备, 如交流/直流电源, 电子负载, 温湿度Chamber, 振动测试仪等。

-熟悉一些测试标准要求, 如IPC9592B, ISTA, ASTM D 4169等。

-了解故障/问题跟踪流程。

-英语流利者优先。

-抗压能力强。

-良好的人际交往能力。

Job Category
Design, Process & Technology 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).

Client-provided location(s): Shenzhen, China

Job ID: Flex-WD205979

Employment Type: FULL_TIME

Posted: 2025-08-14T19:57:02