Resist Strip/Cleans Semiconductor Engineer

Resist Strip/Cleans Semiconductor Engineer Toppan Photomasks Round Rock United States, Texas, Round Rock 400 Texas Avenue (Show on map) Mar 05, 2026 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