Wet Etch Process Engineer - Substrate Yield Expert

ADVANCED SUBSTRATE TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A leading technology company in Singapore is seeking an experienced Process Development Engineer to develop and optimize wet etching processes for substrate layers. The ideal candidate will have a PhD or Master’s degree and 5-10+ years of hands-on experience in semiconductor etching. The role involves collaboration with cross-functional teams and a strong focus on quality control and defect resolution. Competitive salary and opportunities for professional growth are offered.

Qualifications

• 5–10+ years of hands-on experience in substrate, PCB, or semiconductor etching processes.
• Familiar with substrate materials such as ABF, PID, PI, or photoresists.
• Knowledge of substrate technologies such as Damascene, SAP, ABF build-up, or Embedding is a plus.

Responsibilities

• Develop and optimize wet etching processes for substrate layers.
• Design experiments to evaluate and improve critical etch parameters.
• Define equipment requirements and manage tool qualifications.
• Identify and resolve etching-related defects.
• Collaborate with upstream/downstream processes to improve overall line yield.

Skills

Process characterization tools (SEM, AFM, XPS, optical profilers)

Problem-solving

Documentation

Communication

Education

PhD or Master’s degree in Chemical Engineering, Materials Science, Microelectronics, or related field

Tools

Process characterization tools

Job description

A leading technology company in Singapore is seeking an experienced Process Development Engineer to develop and optimize wet etching processes for substrate layers. The ideal candidate will have a PhD or Master’s degree and 5-10+ years of hands-on experience in semiconductor etching. The role involves collaboration with cross-functional teams and a strong focus on quality control and defect resolution. Competitive salary and opportunities for professional growth are offered.