Thin Films Process Engineer

Primary Duties & Responsibilities

• Develop, optimize, and maintain sputtering, evaporation, CVD, and RTA processes for metal and dielectric films.
• Establish robust process windows and transfer new processes into production.
• Support process integration, yield improvement, and new product development.
• Serve as the process owner for sputtering, evaporation, CVD, and RTA equipment.
• Troubleshoot process and equipment issues to improve reliability, uptime, and yield.
• Support equipment qualifications, preventive maintenance, and continuous improvement activities.
• Characterize thin films using profilometry, four-point probe, ellipsometry, SEM, XRD, and AFM.
• Monitor film thickness, sheet resistance, stress, uniformity, adhesion, and surface morphology.
• Utilize SPC, DOE, and statistical analysis to improve process capability and reduce variation.
• Develop process documentation, work instructions, control plans, and FMEAs.
• Support technology transfers, new equipment installations, and technician training.

Education & Experience

• Bachelor's or Master's degree in Materials Science, Electrical Engineering, Chemical Engineering, Physics, or a related technical field.
• 5+ years of semiconductor process engineering experience.
• Hands-on experience with sputtering (DC, RF, reactive), thermal and/or e-beam evaporation, CVD, and RTA systems.
• Experience processing GaAs, InP, and/or silicon wafers.
• Experience supporting semiconductor manufacturing in a high-paced production environment.

Skills

• Experience with thin-film metrology, including profilometry, four-point probe, ellipsometry, SEM, XRD, and AFM.
• Experience measuring film thickness, sheet resistance, stress, uniformity, adhesion, and surface morphology.
• Experience with manufacturing automation, recipe management, automated recipe download, and equipment data collection.
• Familiarity with SPC, DOE, FDC, and statistical analysis tools such as JMP.
• Strong troubleshooting, root cause analysis, and process optimization skills.
• Excellent written and verbal communication skills.

Working Conditions

• Exposure to areas where hand tools and power tools are being operated.
• Exposure to areas where hazardous chemicals or gases are stored.
• Work in a cleanroom environment per semiconductor protocol/requirements.
• Physical requirements: Work in a class 100/1000 clean room for extended periods, wear full cleanroom attire (smock, mask, etc.), work with and/or around chemicals (such as solids and acids), stand for up to 4 hours at a time, lift up to 16-30 Pounds, push/pull up to 16-30 pounds, sit for up to 4 hours at a time.

Safety Requirements

• All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality And Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

• Integrity – Create an Environment of Trust.
• Collaboration – Innovate Through the Sharing of Ideas.
• Accountability – Own the Process and the Outcome.
• Respect – Recognize the Value in Everyone.
• Enthusiasm – Find a Sense of Purpose in Work.

About Us

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!