Senior Test Engineer

XP Power Limited; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

XP Power is seeking a Senior Test Engineer to own and evolve production test systems for power electronics. You will design automated tests, fixtures, and test software, collaborating with Design, Manufacturing and Quality teams in a fast‑growing global setting.

You will lead improvements in test coverage, reliability and efficiency, and mentor engineers while ensuring safety, performance and compliance across our power supply products.

Qualifications

• Degree or Diploma in Electrical Engineering, Electronics Engineering, Mechatronics Engineering, or a related discipline.
• Minimum 8 years of relevant experience in test engineering, ATE, production testing, or electronics manufacturing, with strong hands‑on experience in automated test systems.
• Proven experience in developing, debugging, and implementing ATE and automated production test programs.
• Strong knowledge of analogue/digital electronics and power electronics, with hands‑on experience in electrical and performance testing.
• Strong hands‑on experience with test instrumentation, including programmable power supplies, electronic loads, DMMs, oscilloscopes, DAQ systems, and automated test equipment.
• Experienced in designing, troubleshooting, and improving production test jigs, fixtures, interface boards, and test harnesses.
• Strong understanding of electrical safety, high‑voltage testing, ESD, grounding, creepage, and clearance requirements.
• Strong problem‑solving, failure analysis, and root‑cause investigation skills, with the ability to lead corrective and preventive actions.
• Demonstrated ability to take technical ownership, work independently, and lead cross‑functional problem-solving activities.
• Strong communication and interpersonal skills, with the ability to work effectively with design, manufacturing, quality, and external suppliers.
• Proficient in written and spoken English, with willingness to travel when required.
• Proficient in LabVIEW, Python, C/C++, or equivalent programming languages is an advantage.

Responsibilities

• Develop automated testing for power supply electrical performance and protection.
• Develop production tests solutions for power supplies, AC/DC and DC/DC converter products incorporating digital control, microcontrollers and communications interfaces.
• Support debugging of hardware, firmware, communication, and test-system issues.
• Work with PCB, mechanical, and external suppliers to develop robust and reliable test fixtures.
• Design and develop production test jigs, fixtures, interface boards, cable harnesses and test adapters as per electrical and mechanical requirements.
• Ensure electrical and operator safety, ESD protection, grounding, shielding, contacts resistance and connector durability.
• Provide technical leadership in resolving production test failures and manufacturing issues.
• Perform failure analysis and root‑cause investigation to identify product, test‑system, fixture, software/test‑program, process, or operator‑related issues, and implement corrective actions.
• Analyse test data, yield, false failures, and test escapes to improve quality.
• Develop test specifications, methods, limits, procedures, test coverage and training materials.
• Define appropriate test limits based on product specifications, measurement capability, process variation and statistical data.
• Optimize test coverage, test time, cost and reliability.
• Work closely with design engineers and manufacturing team to define Design for Testability (DFT) requirements and production test strategies for new products.
• Qualify and release ATE systems, fixtures, and test software.
• Support production ramp‑up and transfer test systems to manufacturing sites.
• Act as the technical owner for assigned production test systems.
• Drive continuous improvements in automation, test coverage, test time, reliability, and manufacturing efficiency.
• Evaluate new test technologies and work with external suppliers.
• Develop ATE systems and automated production test programs.
• Integrate instruments such as AC sources, electronic loads, DMMs, oscilloscopes, and DAQ systems.
• Develop test software using LabVIEW, Python, C/C++, and instrument communication protocols using SCPI, Ethernet, USB, RS-232/485, CAN, I²C, SPI, UART, etc.

Skills

Test engineering

Automation

Cross-functional collaboration

Travel willingness

English proficiency

Education

Degree or Diploma in Electrical/Electronics/Mechatronics

Tools

LabVIEW

Python

C/C++

SCPI

Ethernet

CAN

I2C

SPI

UART

Job description

Company Description

XP Power is a global leader in providing essential power solutions to the Industrial Technology, Healthcare and Semiconductor Manufacturing Equipment sectors. We design and manufacture power controllers, the essential hardware component in every piece of electrical equipment that converts power from the electricity grid into the right form for equipment to function. Listed on the London Stock Exchange we are a fast-growing business, serving our global blue-chip customer base from 29 locations across Europe, North America, and Asia. We are extremely proud and committed to our culture that values Customer Focus, Flexibility, Knowledge, Speed, and Integrity. Joining our team means you’ll work in a high performing global organisation where employees collaborate and strive to make XP Power the first-choice power solutions provider delivering the ultimate experience for our customers and our people.

Job Description

We are looking for a Senior Test Engineer with strong hands‑on experience in production test engineering, test automation, test fixture design and ATE development.The candidate will take ownership of the development, implementation, qualification, and continuous improvement of production test systems electronic power conversion / power supplies products. This role requires a strong combination of hardware, software, test automation, troubleshooting, and manufacturing test experience.

Reporting to the Test Engineering Manager, the successful candidate will work closely with Design Team, Manufacturing, Quality, and suppliers to develop robust and efficient test solutions from product development through mass production.

KEY RESPONSIBILITIES

Power Electronics & Digital Control Testing

• Develop automated testing for power supply electrical performance and protection.
• Develop production tests solutions for power supplies, AC/DC and DC/DC converter products incorporating digital control, microcontrollers and communications interfaces.
• Support debugging of hardware, firmware, communication, and test-system issues

Test Jig & Fixture Development

• Work with PCB, mechanical, and external suppliers to develop robust and reliable test fixtures.
• Design and develop production test jigs, fixtures, interface boards, cable harnesses and test adapters as per electrical and mechanical requirements.
• Ensure electrical and operator safety, ESD protection, grounding, shielding, contacts resistance and connector durability.

Production & Manufacturing Support

• Provide technical leadership in resolving production test failures and manufacturing issues.
• Perform failure analysis and root‑cause investigation to identify product, test‑system, fixture, software/test‑program, process, or operator‑related issues, and implement corrective actions.
• Analyse test data, yield, false failures, and test escapes to improve quality.

Test Specification & Process Development

• Develop test specifications, methods, limits, procedures, test coverage and training materials.
• Define appropriate test limits based on product specifications, measurement capability, process variation and statistical data.
• Optimize test coverage, test time, cost and reliability.

NPI & Product Transfer

• Work closely with design engineers and manufacturing team to define Design for Testability (DFT) requirements and production test strategies for new products.
• Qualify and release ATE systems, fixtures, and test software.
• Support production ramp‑up and transfer test systems to manufacturing sites.

Technical Leadership

• Act as the technical owner for assigned production test systems.
• Drive continuous improvements in automation, test coverage, test time, reliability, and manufacturing efficiency.
• Evaluate new test technologies and work with external suppliers.

ATE & Automated Test System Development (Good to have)

• Develop ATE systems and automated production test programs.
• Integrate instruments such as AC sources, electronic loads, DMMs, oscilloscopes, and DAQ systems.
• Develop test software using LabVIEW, Python, C/C++, and instrument communication protocols using SCPI, Ethernet, USB, RS-232/485, CAN, I²C, SPI, UART, etc.

Qualifications

• Degree or Diploma in Electrical Engineering, Electronics Engineering, Mechatronics Engineering, or a related discipline.
• Minimum 8 years of relevant experience in test engineering, ATE, production testing, or electronics manufacturing, with strong hands‑on experience in automated test systems.
• Proven experience in developing, debugging, and implementing ATE and automated production test programs.
• Strong knowledge of analogue/digital electronics and power electronics, with hands‑on experience in electrical and performance testing.
• Strong hands‑on experience with test instrumentation, including programmable power supplies, electronic loads, DMMs, oscilloscopes, DAQ systems, and automated test equipment.
• Experienced in designing, troubleshooting, and improving production test jigs, fixtures, interface boards, and test harnesses.
• Strong understanding of electrical safety, high‑voltage testing, ESD, grounding, creepage, and clearance requirements.
• Strong problem‑solving, failure analysis, and root‑cause investigation skills, with the ability to lead corrective and preventive actions.
• Demonstrated ability to take technical ownership, work independently, and lead cross‑functional problem‑solving activities.
• Strong communication and interpersonal skills, with the ability to work effectively with design, manufacturing, quality, and external suppliers.
• Proficient in written and spoken English, with willingness to travel when required.
• Proficient in LabVIEW, Python, C/C++, or equivalent programming languages is an advantage.
• Preferred Skills
  • Experience with power converters, power supplies or other power electronics.
  • Experience with CAN, I²C, SPI, UART, RS-232/485, Ethernet and SCPI.
  • Experience with test data analysis, SPC, yield improvement, and automated production reports.
  • Experience with PCB/interface-board design.
  • Experience working with overseas manufacturing sites and external test‑equipment/fixture suppliers.

Additional Information

XP Power provides a safe and healthy working environment that is stimulating and collaborative, where employees are empowered to make a real difference. We place our people at the heart of everything we do. We understand that if we provide our people with the ultimate experience, they will provide the ultimate experience to our customers.

XP Power is an equal opportunities employer. We are committed to creating an environment where people are valued, supported and nurtured to deliver their best. Operating globally, we celebrate the cultural differences that exist in the countries in which we do business. Being a truly diverse and inclusive community helps us grow our business through innovation; attracting and retaining talent to engage the people who buy our power solutions. We know that by cultivating the ultimate experience for all our people, they will deliver the same to our customers.