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.