Senior Photolithography Equipment Engineer

Senior Photolithography Equipment Engineer Fremont, CA, United States and 1 more (On-site) 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. 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), tunable lasers, 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, supporting 800G and next‑gen 1.6T datacom transceiver designs. Our world‑class, highly reliable InP technology platform has been proven with more than one hundred million lasers in the field deployed over the last decades. Install, qualify, maintain, and optimize photolithography equipment in a semiconductor fab Drive yield, uptime, and process stability Work in a cleanroom manufacturing environment Primary Duties & Responsibilities Equipment install and qualification (new fab tools) Partner with process engineers to fix production issues 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, if any, are a plus Skills Semiconductor fab experience with ASM, Cannon steppers preferred, Tel tracks, aligners Strong troubleshooting and data analysis Cross‑functional collaboration with process and manufacturing teams Programming and data science increasingly valued Good communication and interpersonal skills Working Conditions Fab work – Required to wear a bunny suit, facemask, gloves, and booties. Proper PPE is required for certain applications. Physical Requirements Standing for up to 8 hours per day Lifting up to 40 lbs Pushing/pulling up to 50 lbs Sitting for up to 8 hours per day Safety Requirements All employees must 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 ISO 9000, ISO 9001, ISO 14001, and/or other applicable standards within the Quality Management System and Environmental Management System. Culture Commitment Ensure adherence to company values (ICARE) in all aspects of the position: Integrity – create an environment of trust; Collaboration – innovate through sharing of ideas; Accountability – own the process and outcome; Respect – recognize the value in everyone; Enthusiasm – find a sense of purpose in work. 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. Job Info Job Identification 2012940 Posting Date 06/24/2026, 12:17 AM Degree Level Bachelor's Degree Job Schedule Full time Locations 41762 Christy Street, Fremont, CA, 94538, US; 1230 Midas Wy, Suite 120, Sunnyvale, CA, 94085, US (On-site) #J-18808-Ljbffr II-VI UK, Ltd.