Senior Photolithography Equipment Engineer

Coherent Corp.; Fremont (CA); On-site; USD 90,000 - 150,000; Full time

Job summary

Coherent Corp. in Fremont, California, is seeking a skilled engineer to install and optimize photolithography equipment in a semiconductor fab. The ideal candidate will have over 10 years of wafer fab equipment engineering experience and strong troubleshooting skills.

You will work in a cleanroom environment, collaborating with process engineers to enhance tool performance and drive yield and uptime. The role requires wearing personal protective equipment and may involve engaging with vendors.

Qualifications

• AA or BS and at least 10 years of wafer fab equipment engineering experience.
• Experience in photolithography is required.
• Professional certifications are a plus.

Responsibilities

• Install, qualify, maintain, and optimize photolithography equipment in a semiconductor fab.
• Drive yield, uptime, and process stability.
• Work in a cleanroom manufacturing environment.
• Maintain and troubleshoot tools; document repairs.

Skills

Semiconductor fab experience with ASM, Cannon steppers, Tel tracks, and aligners

Strong troubleshooting and data-analysis abilities

Cross-functional collaboration with process and manufacturing teams

Programming and data-science skills

Good communication and interpersonal skills

Education

AA or BS in a relevant field

10 years of wafer fab equipment engineering experience

Experience in photolithography

Professional certifications

Job description

About Indium Phosphide (InP) Technology

The world’s communications infrastructure depends on semiconductor lasers, particularly those based on indium phosphide technology. Indium phosphide lasers are engineered to emit at wavelengths optimal for long‑distance transmission through fiber optics, enabling the optical networks that form the global internet.

Responsibilities

• Install, qualify, maintain, and optimize photolithography equipment in a semiconductor fab.
• Drive yield, uptime, and process stability.
• Work in a cleanroom manufacturing environment.
• Equip install and qualification of new fab tools.
• Maintain and troubleshoot tools; documentation of repairs.
• Partner with process engineers to fix production issues.
• Manage vendors and tool performance metrics.
• Prepare purchase requests for vendors and parts.
• Implement Total Productive Maintenance (TPM) strategies.

Education & Experience

• AA or BS and at least 10 years of wafer fab equipment engineering experience.
• Experience in photolithography.
• Professional certifications are a plus.

Skills

• Semiconductor fab experience with ASM, Cannon steppers, Tel tracks, and aligners.
• Strong troubleshooting and data‑analysis abilities.
• Cross‑functional collaboration with process and manufacturing teams.
• Programming and data‑science skills increasingly valued.
• Good communication and interpersonal skills.

Working Conditions

Fab work requires wearing personal protective equipment such as a bunny suit, face mask, gloves, and booties; PPE is mandatory when working on certain applications.

Physical Requirements

• Standing some times (up to 8 hours per day).
• Lifting up to 40 lbs.
• Pushing or pulling up to 50 lbs.
• Sitting some times (up to 8 hours per day).

Safety Requirements

All employees must follow the site EHS procedures and Coherent Corp. corporate EHS standards.

Quality & Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of ISO 9000, 9001, 14001, and/or other applicable standards 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.

Equal Opportunity

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.

If you need assistance or an accommodation due to a disability, you may contact us at [e-mail].