Lead PECVD Process Engineer for GaAs/InP Devices

COHERENT; Sherman (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Coherent Corp. in Sherman, TX seeks a Process Development and Optimization engineer to own PECVD processes for GaAs and InP devices, drive characterization, and apply SPC and DOE to improve stability and yield.

You will interface with R&D, production, and equipment teams to sustain and optimize the process. The role requires 5+ years in semiconductor PECVD or thin-film processing, strong metrology knowledge, and hands-on experience in a cleanroom environment.

Qualifications

• Experience applying SPC/DOE to semiconductor processes.
• Strong problem-solving and data-driven decision making.
• Experience with PECVD film properties and process control.
• Ability to work cross-functionally with R&D, production, and equipment teams.
• Cleanroom experience and lab documentation skills.

Responsibilities

• Own PECVD processes for GaAs and InP device manufacturing and optimize yield.
• Characterize processes, troubleshoot deviations, and monitor via SPC/DOE.
• Interface with vendors to evaluate tool performance and upgrades.
• Own equipment-related troubleshooting and preventive maintenance activities.
• Support automation, recipe management, and fault detection rule development.
• Review data to identify trends and early excursions for corrective actions.
• Lead continuous improvement projects to boost productivity and tool uptime.

Skills

SPC

DOE

Gage R&R

JMP

Excel

Data analysis

Troubleshooting

Documentation

Metrology

Cleanroom

Education

Bachelor’s or Master’s degree in Materials Science, Chemical Engineering, Electrical Engineering, or related field

Tools

Camstar MES

Job description

Coherent Corp. in Sherman, TX seeks a Process Development and Optimization engineer to own PECVD processes for GaAs and InP devices, drive characterization, and apply SPC and DOE to improve stability and yield.

You will interface with R&D, production, and equipment teams to sustain and optimize the process. The role requires 5+ years in semiconductor PECVD or thin-film processing, strong metrology knowledge, and hands-on experience in a cleanroom environment.