CMP Module Engineer

Onsemi is seeking a CMP Engineer with 5+ years of semiconductor experience to support and optimize CMP processes in a 300mm high-volume manufacturing environment. This role focuses on process sustainment, yield improvement, and defect reduction, with increasing ownership of continuous improvement projects.

Responsibilities  

 Process Sustainment & Control 

• Support the daily operation of CMP processes  

• Monitor key parameters: Removal rate (RR), WIWNU (within-wafer non-uniformity) , Defectivity (scratches, particles) 

• Maintain process stability within defined control limits,  respond to process excursions, and out-of-control conditions 

Yield & Defect Improvement 

• Analyze yield loss and defect trends using SPC and fab systems. Identify top contributors: Slurry variation, Pad wear/conditioning, Cleaning effectiveness, Develop and implement corrective actions  

 Equipment & Process Support 

• Support tool matching, execute recipe changes, assist in troubleshooting tool-related issues, and Tool qualifications, Tool installations, Process characterization 

Continuous Improvement (CIP Execution) 

• Execute assigned CIPs tied to KPIs: Yield improvement, Defect reduction, Cost optimization, Equipment Performance Improvement  

• Productivity improvement, Support team skill development, and support larger cross-functional projects 

Documentation & Process Control 

• Maintain: Process specs, Control plans (OCAPs), SOPs, and ensure proper documentation of changes and results 

Cross-Functional Collaboration 

• Interface with: Manufacturing/operations Integration teams, Support NPI, and process transfers under guidance 

Required Qualifications 

• Bachelor’s degree in: Chemical Engineering, Materials Science, Electrical Engineering, or related field 

• 5+ years semiconductor experience, with exposure to CMP processes 

• Working knowledge of: CMP fundamentals (slurry, pad, conditioning), Defect mechanisms 

• Experience with: SPC tools and data analysis.
• Exposure CMP tools (Applied Materials Reflexion LK CMP and Ebara F-REX-300 preferred) 

Salary: onsemi is excited to share the base salary range for this position is $101,700 to $172,700 exclusive of fringe benefits or potential bonuses. The final pay rate for the successful candidate will depend on geographic location, skills, education, experience, and/or consideration of the internal equity of our current team members. We also offer a competitive benefits package. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf