Overview

Join our team as a MEMS Microphone Engineer and lead the charge in developing and optimizing cutting-edge MEMS microphone modules for the future of consumer electronics. Your deep expertise in acoustic engineering and semiconductor manufacturing will be the driving force behind overcoming complex system-level challenges like Microphone Coexistence (Mic-Coex) with wireless radios and ensuring pristine sound quality. Collaborate with cross-functional teams to deliver reliable, high-performing audio solutions with impressive manufacturing yields.

Responsibilities

• Drive the development of custom MEMS microphone modules, covering MEMS transducer, ASIC, and advanced packaging solutions, while balancing acoustic performance, power consumption, and physical footprint.
• Lead the integration of microphone modules into complex systems, focusing on resolving Microphone Coexistence (Mic-Coex) issues involving RF/EMI and signal integrity.
• Implement mechanical and electrical integration using flexible printed circuits (FPC), ensuring robust electrical connectivity and optimal acoustic path designs to maintain high-frequency sensitivity.
• Oversee the Final Assembly, Test, and Pack (FATP) process, establishing critical tolerances and developing acoustic testing methodologies for mass production.
• Define and oversee comprehensive reliability testing programs, including thermal cycling, drop/shock testing, and moisture sensitivity (MSL) evaluations, based on industry standards like JEDEC and MIL-STD.

Minimum Qualifications

• Bachelor's degree in Electrical Engineering, Mechanical Engineering, Acoustics, Physics, Materials Science, or a related field.
• A minimum of 5+ years of direct experience in MEMS microphone module development from concept to high-volume mass production.
• Expertise in acoustic engineering and semiconductor manufacturing, with strong problem-solving skills in system-level challenges such as RF/EMI and signal integrity.
• Proven experience in collaborating with cross-functional teams, external vendors, and contract manufacturers.
• Willingness to travel internationally (up to 25-30%) to support manufacturing ramps and vendor audits.

Preferred Qualifications

• Advanced degree (Master's or Ph.D.) in a relevant field.
• Familiarity with statistical process control (SPC) and data analysis tools like JMP or Minitab for yield analysis and failure mode analysis.
• Experience with structured problem-solving techniques such as 8D and FMEA.

Cathode Electrode Engineer

Responsibilities

• Locate/evaluate candidate Cathode Materials for high energy cell design, Anode will be a Li Metal coated on Cu foil
• Cathode materials development & evaluation experience; High Ni centent NCM series, NCA series, and NCMA, LFP & LFMP
• Locate/evaluate new cathode materials from various suppliers and run evaluation and screen process 
• Lead Cathode Electrode Design: optimum electrode formulation to meet the goal
• Cathode Electrode process to meet the design
• Assemble lithium metal coin and pouch cells and conduct testing with a focus on repeatability
• Perform crystal structure, microstructure, particle size, voltammetry, impedance spectroscopy, cycle life testing, and reliability tests to understand, and improve the performance
• Electrochemical tests skills such current, voltage, CV, impedance, GITT
• Knowledge and test skills of SEM, XRD, Particle size determination

Qualifications

• MS in materials science, chemical engineering, chemistry, or a related field with focus on electrochemistry, material science or related field.
• Knowledge and understanding of lithium ion battery technologies including cathode material selection and synthesis, electrode fabrication, cell design, cell assembly, testing and failure mode analysis. Lithium Metal Battery experience is plus.
• Skills of testing coin and pouch cells
• Knowledge of Cathode Material Mass Production Experience is plus
• Knowledge of solid electrolyte material thermal processing and experience with solid state battery development is plus.
• The candidate must have strong analytical and problem-solving skills and must be able to design and conduct complex experiments, employing DOE approach to interpret and correlate experimental results with battery product performance.
• Desire to learn experimental and analytical techniques.
• A good oral and written communication skills and ability to work as a team player in a multi-functional environment.

Equipment Electrical Engineer

Responsibilities

• Responsible for the assembly and debugging of the company's non-standard automation equipment

• Skilled in using solidworks, proe and other 3D design software, capable of independently designing fixture required by automation equipment

• Analyzed the problems in assembly and debugging, and worked with suppliers to solve the problems

• Proficient in Mitsubishi, Delta etc., independently complete equipment program writing

• Evaluation of electrical outsourcing suppliers, and introduction and transformation of outsourcing technologies

• Prototype trial production, participated in field tests, dealt with electrical faults, and proposed product improvement measures

• Determine the final product or system, and prepare production documents, user manuals and other related documents

Qualifications

• College degree or above. Major in mechanical and electrical, automation or related field

• At least 3 years’ experience in non-standard automation design, assembly and debugging

• Familiar with non-standard automatic electric control wiring and able to debug

• Familiar with wiring debugging of electronic control equipment such as PLC, IPC, manipulator, motor and slide rail

• Calibrate and adjust the assembly schedule to meet the accuracy requirements

Process Engineer

Responsibilities

• Responsible for process support, process verification and optimization and promotion of process problems in the design and development phase of PACK project

• Responsible for preparing product process documents (PFMEA, process flow chart, control plan, WI, etc.), proficient in PACK production process and key process control points

• Provided technical support for production, formulated standard operation instructions for each process, and solved technical problems in the production process

• In-depth technical exchanges on the production site, providing guidance for key parts and processes

Qualifications

• Bachelor’s degree, major in mechatronics, electronics, electrical, process design

• At least 2 years working experience in PACK assembly or lithium battery industry

• Good at analyzing and solving problems, have good communication and coordination skills

• Familiar with IATF16949 quality management system

• Proficient in Office, AUTOCAD and other software

• Have a certain ability to work under pressure, have a strong sense of team spirit and cooperation