Photomask Dry Etch Engineer: Yield & Process Innovator

Toppan Photomasks Round Rock; Round Rock (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Toppan Photomasks Round Rock is seeking a Dry Etch Process Engineer to support plasma-based dry etch processes in photomask manufacturing. You will sustain daily processes, define equipment needs, optimize plasma etch performance, and drive new dry etch tech into production.

You will work with operations and development teams to ensure robust integration and continuous yield, cycle time, and quality improvements across multiple projects.

Qualifications

• Bachelor's degree in Electrical, Chemical, Mechanical Engineering, Physics, Chemistry or related field.
• 3+ years in Dry Etch Process Engineering in high-volume semiconductor manufacturing or advanced degree with related thesis work.
• Strong troubleshooting including root-cause analysis (5 Whys, MBA/8D).
• Experience in DOE, statistical data analysis, APC, recipe management, SPC, OCAP creation.
• Defect/reduction and yield-improvement initiatives.
• Hands-on tool ownership: equipment troubleshooting, preventive maintenance optimization, FMEA, FDC.
• Proficient in JMP and Excel, with basic scripting: VBA, JSL, Python, SQL.
• Familiarity with SEM/EDX, AFM, ToF-SIMS, XPS interpretation.
• Familiarity with Gantt charts and multiple priority management.
• Strong verbal and written communication across all levels.
• Self-starter with attention to detail and collaborative mindset.

Responsibilities

• Support plasma-based dry etch processes for photomask manufacturing.
• Define equipment requirements and optimize plasma etch performance.
• Drive introduction of new dry etch technologies into production.
• Collaborate with operations and development teams for robust integration.
• Continuously improve yield, cycle time and product quality.

Skills

Root cause analysis

Project management

Communication skills

Collaborative mindset

Education

Bachelor's degree in engineering/physics/chemistry

Tools

JMP

Excel

VBA

Python

SQL

JSL

Job description

Toppan Photomasks Round Rock is seeking a Dry Etch Process Engineer to support plasma-based dry etch processes in photomask manufacturing. You will sustain daily processes, define equipment needs, optimize plasma etch performance, and drive new dry etch tech into production.

You will work with operations and development teams to ensure robust integration and continuous yield, cycle time, and quality improvements across multiple projects.