Coherent · Fremont, CA

Senior Photolithography Equipment Technician

Fremont, CA, United StatesOn-siteFull-timeSenior individual contributorSkilled Trades & Maintenance

Listed on Coherent’s official careers site. Posted November 4, 2026. Check that it is still open and apply there.

Apply on Coherent’s careers site →

Job description

Primary Duties & Responsibilities

Maintain and troubleshoot photolithography equipment during the assigned 12-hour night shift. Perform repairs and corrective maintenance on equipment throughout the Photo area. Complete preventive maintenance activities accurately and on schedule. Maintain detailed equipment records, maintenance documentation, and work-order information. Provide clear written and verbal shift pass-downs. Coordinate with Production and Process Engineering to prioritize down equipment and minimize downtime.

Support equipment inspections, SPC activities, quality control, and process-monitoring requirements. Operate and support various metrology tools and measurement systems. Troubleshoot wafer handling, alignment, focus, spinning, coating, developing, robotics, and related equipment issues. Support semi-automated and automated wafer-processing systems. Follow established workflows, procedures, and data-entry requirements. Maintain compliance with ISO 9000, ISO 14000, cleanroom, ESD, and site-quality requirements.

Support equipment improvement projects and other duties as assigned.

Education & Experience

High school diploma or equivalent required; technical education or certification preferred. Minimum of 10 years of semiconductor wafer-fab experience.

Extensive experience maintaining photolithography equipment, including

Steppers Mask aligners Coaters and developers Spin-rinse dryers Wet benches Wafer-handling systems Metrology equipment Microscopes Experience troubleshooting electrical, mechanical, pneumatic, hydraulic, vacuum, and computer-controlled equipment. Experience with semiconductor chemicals and chemical-handling procedures preferred. Experience with wafer-level and die-level handling preferred. Knowledge of cleanroom practices, ESD controls, contamination control, SPC, and quality systems.

Knowledge of machining, construction, or electrical systems is desirable. Required Skills and Qualification Strong attention to detail and the ability to work with small parts and precision components. Ability to work independently and effectively within a fast-paced team environment. Meticulous, thorough, and disciplined when following procedures and entering maintenance data. Strong troubleshooting, prioritization, and problem-solving skills.

Ability to communicate clearly through written and verbal shift pass-downs. Basic proficiency with Microsoft Word and Excel. Ability to read, write, speak, and comprehend English. High level of integrity, accountability, and self-motivation. Ability to manage multiple priorities and respond effectively to production needs. Ability to work in a cleanroom while following strict gowning and cleanliness requirements. Working Conditions and Schedules Full-time, on-site position in a semiconductor wafer-fabrication cleanroom. 12-hour night shift: 5:00 PM to 5:00 AM.

We currently have two positions, Day and Night Shift.

D Shift schedule

3-day/4-day rotating schedule, including every other Saturday. A shift 5 am to 5 PM Sun thru Tuesday and every other Wednesday. Must be able to work in a fast-paced environment and manage multiple projects and equipment priorities simultaneously. Strict cleanroom, ESD, safety, and contamination-control procedures will be enforced. Physical Requirements Ability to stand and walk for extended periods during the shift. Ability to work in a cleanroom environment while wearing required cleanroom garments and PPE.

Ability to handle small parts, tools, and precision equipment. Ability to bend, reach, kneel, and work in restricted-access areas when required. Ability to lift and move equipment components and materials in accordance with site safety requirements. Ability to lift 50 lbs. 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 Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.: I ntegrity

  • Create an Environment of Trust C ollaboration
  • Innovate Through the Sharing of Ideas A ccountability
  • Own the Process and the Outcome R espect
  • Recognize the Value in Everyone E nthusiasm
  • 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.

If you need assistance or an accommodation due to a disability, you may contact us at [email protected] .

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