Failure Analysis Engineer – Switching Mode Power Supply – Stay in China (Ref: TT) – ETERNITY CO[...]

Eternity Consultants (HK) Limited; Hong Kong; On-site; HKD 279,000 - 390,600; Full time

Job summary

Eternity Consultants (HK) Limited in Hong Kong is looking for an experienced engineer with over 5 years in power supply systems. The ideal candidate should have a Bachelor's degree in Electronic Engineering or related fields and proficiency in troubleshooting complex power supply issues. Responsibilities include analyzing faults, conducting batch repairs, and providing after-sales support. Candidates must be prepared for 5 days of work in China as required.

Qualifications

• Over 5 years of experience in power supply engineering.
• Expertise in handling complex faults in various types of power supplies.
• Ability to conduct machine aging verification.

Responsibilities

• Independently analyze and troubleshoot power supply failures.
• Conduct batch repairs and provide preventive suggestions.
• Handle after-sales support for customer machines.

Skills

Power failure detection and repair

Fault localization and damage analysis

Batch repair and failure statistics

High-end power supply analysis

Proficient in multimeters and oscilloscopes

Education

Bachelor’s degree in Electronic Engineering or related fields

Tools

Multimeter

Oscilloscope

Power meter

Heat gun

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

Technical Expertise

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

Instrument Familiarity

• 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

Power Topology Theory Proficiency

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

Required: 5 days stay in China

Job Category

Engineering