Senior Equipment Engineer

Coherent Corp.; Fremont (CA); On-site; USD 100,000 - 130,000; Full time

Job summary

Coherent Corp. in Fremont, California, is seeking an experienced engineer to install and maintain semiconductor fab equipment. Ideal candidates will have over 10 years of experience in wafer fab equipment engineering and expertise in photolithography.

The role requires strong troubleshooting skills and the ability to collaborate with cross-functional teams. Responsibilities also include managing vendors and implementing maintenance strategies. A professional certification may enhance your application.

Qualifications

• 10+ years in wafer fab equipment engineering required.
• Experience in photolithography is necessary.
• Professional certifications are a plus.

Responsibilities

• Install, qualify, maintain, and optimize semiconductor fabrication equipment.
• Troubleshoot and repair equipment.
• Collaborate with process engineers to resolve production issues.

Skills

Semiconductor fab experience with ICP, RIE etcher, PECVD tools

Strong troubleshooting and data analysis

Cross-functional collaboration

Programming / data science

Good communication & interpersonal skills

Education

AA or BS and 10+ years in wafer fab equipment engineering

Job description

Job Description

About Indium Phosphide (InP) Technology

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

Coherent’s broad portfolio of InP components includes application‑specific Fabry‑Pérot lasers, directly modulated lasers (DMLs), and tunable lasers. It also includes photodiodes for high‑speed receivers and power monitoring. In 2022, we introduced 200 Gbps indium phosphide electro‑absorption modulated lasers (EMLs) for high‑speed datacenter transceivers. This design provides our customers with the most advanced, robust, and cost‑competitive laser devices for their 800G and next‑gen 1.6T datacom transceiver designs.

Our world‑class and highly reliable InP technology platform is one of the very few in the industry that has been proven, with more than one hundred million lasers in the field deployed over the last decades.

Responsibilities

• Install, qualify, maintain, and optimize Etch, PECVD, Sputter equipment in a semiconductor fab
• Drive yield, uptime, and process stability
• Work in a cleanroom manufacturing environment.

Primary Duties & Responsibilities

• Equipment install + qualification (new fab tools)
• Sustainment: troubleshooting, repairs, documentation
• Partner with process engineers to fix production issues
• Manage vendors + tool performance metrics
• Able to write purchase requisitions for vendors and parts
• Implement Total Productive Maintenance (TPM) strategies

Education & Experience

• AA or BS and 10+ years in wafer fab equipment engineering.
• Experience in photolithography.
• Professional certifications is a plus.

Skills

• Semiconductor fab experience with ICP, RIE etcher, PECVD tools, e‑beam’s and sputters.
• Strong troubleshooting and data analysis.
• Cross‑functional collaboration (process + manufacturing teams).
• Programming / data science increasingly valued.
• Good communication & interpersonal skills.

Working Conditions

Fab work – require you to wear a bunny suit, facemask, gloves and booties. Proper PPE must be worn when working on some applications.

Physical Requirements

• Standing sometimes (8 hours per day)
• Lifting (40 lbs.)
• Pushing/Pulling (50 lbs.)
• Sitting sometimes (8 hours per day)

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.

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].