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.

Key Responsibilities

• 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

Required 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

Preferred Qualifications

• 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

Physical & Work Environment Requirements

• 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