Resist Strip​/Cleans Semiconductor Engineer

Job Summary

We are seeking a Cleanroom Semiconductor Engineer with at least 3 years of hands‑on experience in semiconductor fabrication environments. This role focuses on process execution, optimization, and yield improvement within a cleanroom setting, supporting the manufacture of advanced semiconductor photomasks. The ideal candidate is detail-oriented, proactive, safety‑conscious, and experienced working with complex equipment and tightly controlled processes.

• Operate, monitor, and optimize semiconductor fabrication processes in a Class 1-1000 cleanroom environment
• Support pellicle, resist strip and cleans processes (as applicable)
• Perform process characterization, troubleshooting, and root cause analysis to improve yield and reliability
• Develop and maintain process documentation, SOPs, and work instructions
• Analyze SPC data and implement corrective actions to maintain process stability
• Collaborate with equipment engineers, process integration teams, and quality groups
• Support new process development, technology transfers, and scale‑up activities
• Ensure compliance with safety, EHS, and cleanroom protocols
• Assist in training technicians and junior engineers as needed
• Lead new tool installations and qualifications

• Bachelor's degree in Mechanical Engineering, Materials Science, Chemical Engineering, Physics
  , or a related field preferred
• Minimum of 3 years of experience in a semiconductor cleanroom or wafer fab environment preferred
• Hands‑on experience with at least one major fab process area (cleans, lithography, etch, deposition, CMP, diffusion, or metrology)
• Strong understanding of semiconductor manufacturing flows and cleanroom best practices
• Experience with SPC, DOE, and basic statistical analysis (6 sigma Green Belt is a bonus)
• Ability to troubleshoot process and equipment‑related issues
• Strong documentation and technical communication skills
• Ability to lead teams and manage projects, including new tool installs

• Experience with 200 mm or 300 mm wafer manufacturing
• Familiarity with SPC, FMEA, 8D, Model‑Based Problem Solving and other 6 sigma tools
• Experience working with automated fab systems and MES tools
• Knowledge of yield enhancement and defect reduction methodologies
• Proficient in data analysis using tools such as JMP and Excel, with basic scripting or coding skills (VBA, JSL, Python, SQL)
• Experienced in tool qualification process
• Experienced with change management and change control boards
• Knowledge of chemical, plasma, UV, or megasonic cleaning a plus

• Ability to work extended periods in a cleanroom environment
• Willingness to wear full cleanroom gowning (bunny suit)
• Ability to work flexible hours or on‑call support as needed for production schedules