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JPC TEXSON LTD

Switching Power Supply Failure Analysis Engineer - Electronic Manufacturing Service (EMS) Supplier (Shenzhen/5 days)

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Company Overview

Hong Kong - Shenzhen - Guangzhou - Shanghai - Beijing

JPC Texson Ltd, established since 1990, is a Hong Kong and China licensed Employment Consulting firm, specializes in Headhunting and Recruiting Services for companies in Hong Kong and China. We have offices in Hong Kong, Shenzhen, Guangzhou, Shanghai and Beijing.

Company Overview
  • We are a leading EMS (Electronic Manufacturing Service) provider with a manufacturing base in Shenzhen employing over 2,000 staff. Our core competencies include SMT, ICT, COB bonding, plastic injection molding, and full‑product assembly.
  • We are a leading Electronic Manufacturing Services (EMS) provider with a manufacturing base in Shenzhen and over 2,000 employees. Our core capabilities include surface mount technology (SMT), in-circuit testing (ICT), chip-on-brush (COB) bonding, plastic injection molding, and complete system assembly.
  • We serve global markets including North America, Europe, Japan, and Asia, delivering high‑quality solutions for power supplies, telecom devices, office automation, industrial appliances, and medical electronics.
  • Our markets cover North America, Europe, Japan, and Asia, and we provide high-quality solutions for power products, communication equipment, office automation, industrial equipment, and medical electronics.

Role Mission
  • The Switching Power Supply Failure Analysis Engineer will be responsible for identifying the root causes of power‑supply failures across the manufacturing line and customer returns, improving product reliability, and supporting the company's focus on high‑quality, high‑power switching‑power solutions.
  • The Power Supply Defect Analysis Engineer is responsible for identifying the root causes of power supply failures in production lines and customer-returned products, improving product reliability, and supporting the company's focus on developing high-quality, high-power switching power supply solutions.

Role Summary
  • Reporting to the Engineering / R&D team, the engineer will lead failure analysis for industrial power supplies, communication power supplies, server power supplies, medical power supplies, LLC / full‑bridge / bidirectional power supplies, and related products.
  • Reporting to the engineering/R&D department, this position requires leading the fault analysis of products such as industrial power supplies, communication power supplies, server power supplies, medical power supplies, and LLC/full-bridge/bidirectional power supplies.
  • The role covers end‑to‑end problem solving, including failure detection, repair, aging verification, batch repair management, and providing preventive recommendations to reduce field returns and improve manufacturing yield.
  • Our work scope includes one-stop problem solving, from fault detection, repair, aging verification, batch rework management to providing preventive advice, in order to reduce customer defective rework and improve process yield.

Job Description Responsibilities
  • Identify, diagnose, and repair power‑supply faults in complete machines and individual units.
  • Identify, diagnose, and repair faults in the entire machine and individual power supplies.
  • Perform root‑cause analysis of defective products, including damage‑mechanism investigation and component‑level validation.
  • Root cause analysis of defective products is conducted, including investigation of the damage mechanism and verification at the component level.
  • Lead batch repair and rework operations, including failure statistics collection, Pareto analysis, and preventive suggestions.
  • Leading batch rework and rework operations, including defect statistics, Pareto analysis, and prevention and improvement recommendations.
  • Support customer after‑sales high‑end power supply failure analysis and trouble‑shooting for difficult machines.
  • Supports customers in advanced power supply fault analysis and technical troubleshooting for difficult machines.
  • Provide technical suggestions for design improvement, process optimization, and test‑program refinement to reduce field failure rates.
  • Provide technical advice on product design, process optimization, and testing procedures to reduce field failure rates.
  • Collaborate with R&D, QA, Manufacturing, and Product Engineering to implement corrective and preventive actions.
  • Collaborate with R&D, quality assurance, production, and product engineering teams to implement corrective and preventative measures.
  • Operate and maintain key test equipment such as multimeters, oscilloscopes, high‑voltage differential probes, electronic loads, power meters, regulated power supplies, constant‑temperature soldering irons, heat guns, burn‑in load systems, and insulation/voltage‑withstand testers.
  • Operate and maintain key testing equipment such as multimeters, oscilloscopes, high-voltage differential probes, electronic loads, power analyzers, regulated power supplies, constant temperature soldering irons, hot air guns, aging loads, and insulation withstand voltage testers.
  • Conduct measurements including switching waveforms, drive waveforms, ripple, spike, Vgs/Vds, output dynamics, and load‑based aging tests.
  • Perform tests on switching waveforms, drive waveforms, ripple, spikes, Vgs/Vds, output dynamics, and carrier aging.
  • Prepare clear and structured failure analysis reports, technical documentation, and prevention recommendations.
  • Write clear, structured failure analysis reports, technical documents, and prevention and improvement recommendations.

Ideal Candidate
  • Bachelor's degree or above, majoring in Electronic Engineering, Electrical Engineering, Automation, Electronic Information Engineering, or related disciplines.
  • Bachelor's degree or above, majoring in electronic engineering, electrical engineering, automation, electronic information engineering or related fields.
  • Over 5 years' experience in power supply development, testing, or failure analysis, preferably in industrial, communication, server, or medical‑grade power supplies.
  • Candidates with over 5 years of experience in power supply R&D, testing, or fault analysis, and those with backgrounds in industrial, communication, server, or medical power supplies will be given preference.
  • Proven track record in handling complex switching‑power faults (industrial, communication, server, medical, LLC / full‑bridge / bidirectional power supplies) and complete‑machine aging verification.
  • Possesses practical experience in successfully handling complex switching power supply faults (industrial, communication, server, medical power supplies and LLC/full bridge/bidirectional power supplies) and performing full-system aging verification.
  • Proficient in medium‑to‑high‑power (hundreds of W to tens of kW) power‑supply topologies and mass‑production problem analysis, including:
  • Small power: Flyback, Forward (adapters, internal small‑board power supplies); Medium and high power: Half‑bridge, Full‑bridge, PFC+LLC, PFC + dual‑transistor forward; Industrial: Industrial control power supplies, servo power supplies, laser power supplies, medical power supplies, communication power supplies, and high‑power server power supplies.
  • Proficient in analyzing the topology and mass production issues of medium and high power (hundreds of watts to tens of kilowatts) power supplies, including: low power: flyback, forward (adapter, internal small board power supply); medium and high power: half bridge, full bridge, PFC+LLC, PFC+dual-transistor forward; industrial: industrial control power supplies, servo power supplies, laser power supplies, medical power supplies, communication power supplies and high-power servo power supplies, etc.
  • Strong understanding of power supply topology theory, including Buck/Boost, Flyback, Forward, Half‑Bridge/Full‑Bridge, PFC; LLC resonance, soft switching, synchronous rectification, active clamping, matrix‑type topologies; and application of SiC/GaN wide‑bandgap devices.
  • Gain a deep understanding of power supply topology, including Buck/Boost, Flyback, Forward, Half-bridge/Full-bridge, PFC; LLC resonant, soft-switching, synchronous rectification, active clamping, matrix topology; and the application of SiC/GaN wide bandgap devices.
  • Strong analytical mindset with meticulous attention to detail and documentation; ability to work independently and lead cross‑functional technical discussions.
  • Possesses strong analytical skills, pays attention to detail and documentation, and is capable of working independently and leading cross-departmental technical discussions.
  • Good command of English and Mandarin; Cantonese is an advantage.
  • Possessing fluent English and Chinese, and being fluent in Cantonese is a plus.

Terms & Benefits
  • 5-day work week.
  • Five-day work week.
  • 13‑month salary + performance bonus (historically one extra month).
  • 13 months' salary + performance bonus (historically, about one month's extra).
  • Medical insurance coverage.
  • Medical insurance coverage.
  • Company‑provided accommodation and meals.
  • The company provides dormitory accommodation and meals.
  • Daily shuttle bus service between Lo Wu and Shenzhen factory (approximately 20 minutes).
  • A daily shuttle bus service is provided between Luohu and the factory in Shenzhen (approximately 20 minutes).
 

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JPC Recruiting Services was established in 1990 and is a Hong Kong–based recruitment firm providing general recruitment and executive search services.
Established in 1990, JPC Recruiting Services is a Hong Kong-based professional recruitment company that provides recruitment and headhunting services.

All personal data collected from job applicants will be used strictly for recruitment purposes only. Your privacy is fully protected, and your personal information will not be disclosed, leased, or sold to any third party.
The personal information of job seekers collected by our company will only be used for recruitment purposes. Your privacy will be strictly protected, and your personal information will never be disclosed, rented, or sold to any third party.

 

How to Apply

Thank you for your application. Please email us if you have any question.

Job details

Work Exp
5 Years – 15 Years or above
Education
Bachelor Degree
Industry
Manufacturing - Electronics / Electrical
Job Function
Engineering > Electrical / Electronic Engineering, Engineering > Engineering Project Management, Engineering > Others
Location
Shenzhen (深圳)
Employment Type
Full Time
Benefits
13-month pay, 5-day week, Medical plan, Performance bonus
Published On
1 Aug 2026
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