Job Description

PMUT / PiezoMEMS Device Characterization Engineer

Position Overview

We are seeking a PMUT / PiezoMEMS Device Characterization Engineer to support the development and evaluation of piezoelectric MEMS devices, including Piezoelectric Micromachined Ultrasonic Transducers (PMUTs).

The role focuses on device characterization, measurement setup, data analysis, and performance evaluation, working closely with MEMS design, fabrication, and process teams.

This position is suitable for candidates ranging from fresh Bachelor’s graduates to engineers with up to approximately 5 years of relevant experience.

Key Responsibilities

• Perform electrical, mechanical, and acoustic characterization of PMUT and PiezoMEMS devices.
• Conduct measurements including impedance, resonance frequency, Q-factor, frequency response, bandwidth, transmit/receive sensitivity, and vibration characteristics.
• Operate characterization equipment such as oscilloscopes, signal generators, impedance/network analyzers, probe stations, LDV, microphones, and hydrophones.
• Develop and improve device characterization procedures and measurement setups.
• Analyze measurement data and identify device performance trends and variations.
• Support automated measurement and data processing using Python, MATLAB, LabVIEW, or similar tools.
• Work with device design and process teams to provide characterization feedback for device optimization.
• Prepare technical reports and maintain measurement documentation.

Requirements

• Bachelor’s degree in Electrical/Electronic Engineering, Mechanical Engineering, Materials Science, Applied Physics, Microelectronics, or a related discipline.
• 3 years of relevant experience in MEMS, semiconductor devices, sensors, transducers, acoustics, or device characterization.
• Basic understanding of electrical measurement, signal analysis, or semiconductor/MEMS devices.
• Hands-on experience with laboratory measurement equipment is preferred.
• Experience with Python, MATLAB, LabVIEW, or similar tools is advantageous.
• Good analytical, troubleshooting, communication, and teamwork skills.

Preferred Experience

Experience or knowledge in any of the following is advantageous:

• PMUT, CMUT, PiezoMEMS, or ultrasonic transducers
• PZT, AlN, or ScAlN piezoelectric devices
• Acoustic or vibration characterization
• Impedance measurement and wafer-level testing
• Automated measurement and data analysis