Failure Analysis Engineer / Testing Engineer – Power Supply – Stay in China (Ref: TT) – ETERNIT[...]

Eternity Consultants (HK) Limited; Hong Kong; On-site; HKD 390,600 - 558,000; Full time

Job summary

Eternity Consultants (HK) Limited is looking for an experienced engineer specializing in industrial power supplies in Hong Kong. The role demands over 5 years of experience in fault detection and repair for various power supply types.

The ideal candidate will be proficient in handling complex issues related to high-power power supplies and familiar with instrumental operations. The company offers opportunities to engage in high-end after-sales support for power supply products.

Qualifications

• Over 5 years of experience in handling complex power supply issues.
• Capable of independently repairing industrial power supply faults.
• Proficient in analyzing batch repairs and offering preventive suggestions.

Responsibilities

• Detect and repair power failures in various supply types.
• Conduct aging tests and re-evaluation of power supplies.
• Analyze customer after-sales power supply failures.

Skills

Power supply failure detection and repair

Analysis of defect localization

Experience with high-power power supply topologies

Instrument operation

Proficient in power topology theory

Education

Bachelor’s degree in Electronic Engineering or related

Tools

Multimeter

Oscilloscope

High-voltage differential probe

Job description

Education: Bachelor’s degree or above, majoring in Electronic Engineering, Electrical Engineering, Automation, Electronic Information Engineering, etc

Work experience: Over 5 years, capable of independently handling complex faults and complete machine aging verification issues related to industrial power supplies, communication power supplies, server power supplies, medical power supplies, LLC/full bridge/bidirectional power supplies, including:

• Power failure detection, repair, aging, and re-evaluation of the entire machine
• Fault localization and damage cause analysis of defective products
• Batch repair, rework, failure statistics, and preventive suggestions
• Customer after-sales high-end power supply failure analysis and handling of difficult machines

Proficient in medium to high-power (hundreds of W to tens of kW) power supply topology and mass production problem analysis

• Low power: flyback, forward (adapter, internal small board power supply)
• Medium and high power: half-bridge, full-bridge, PFC+LLC, PFC + dual-transistor forward converter
• Industrial: Industrial control power supply, servo power supply, laser power supply, medical power supply, communication power supply, high-power server power supply

Familiar with instrument operation

• Multimeter, oscilloscope, high-voltage differential probe, electronic load, power meter, regulated power supply, constant temperature soldering iron, heat gun, burn-in load, insulation and voltage withstand tester, and other equipment
• Measurement: Switching waveform, drive waveform, ripple, spike, Vgs/Vds, output dynamics, load aging

Proficient in power topology theory

• Buck/Boost, Flyback, Forward, Half-Bridge/Full-Bridge, PFC
• LLC resonance, soft switching, synchronous rectification, active clamping, matrix type

Job Category Engineering