Wafer Fab Technician

Coherent Corp.; Fremont (CA); On-site; USD 60,000 - 90,000; Full time

Job summary

Coherent Corp. in Fremont, CA is hiring for a wafer processing role in a cleanroom environment.

You will gain certification across multiple processes including photolithography, etch, deposition, metallization, and polishing while handling chemicals safely and following all safety protocols. Responsibilities include recording data in MES, maintaining WIP location information, and delivering hands-on process training to coworkers.

Qualifications

• High School Diploma or Equivalent required.
• 2+ years in high-tech manufacturing preferred.
• Wafer handling experience preferred.
• Familiar with cleanroom environments and safety rules.
• Experience with MES systems such as CAMSTAR is a plus.

Responsibilities

• Process InP wafers in a cleanroom and ESD-safe environment.
• Become certified in multiple process areas (photolithography, etch, deposition, metallization, polishing).
• Handle chemicals safely and follow safety protocols.
• Follow process flow using traveler and MES (CAMSTAR).
• Record wafer data and WIP location in MES.
• Provide process training with hands-on demonstrations.

Skills

Attention to detail

Good at working with small parts

Experience with semi-automated and //

Familiarity with Microsoft Excel and  

Willing to work Overtime and be partof

Meticulous and thorough; data entry

Ability to speak, read, write English

Integrity and self-motivated

Team-oriented and able to work autonom

Knowledge of machining, construction,電

Education

High School Diploma or Equivalent

2 years in a high-tech manufacturing env

Wafer handling preferred

Tools

CAMSTAR

Microsoft Excel

Microsoft Word

Job description

• Process InP semiconductor wafers in a cleanroom and ESD-safe environment
• Become certified in multiple process areas such as:
• Photolithography (aligner, stepper, cluster coater, developer, asher)
• Wet etch (semi-automated and automated tools)
• Dry etch (ICP, RIE)
• Thin-film deposition (PECVD)
• Metallization/plating (Ebeam, Sputter, anneal, liftoff)
• Lapping/polishing
• Handle chemicals (acids, solvents, plating solutions, polishing slurry) with caution and following safety protocol
• Follow the process flow using traveler and MES (manufacturing execution system) such as CAMSTAR
• Enter wafer characterization data and WIP location information into MES
• Interact with engineering for process training and execution of non-standard work instructions on engineering material
• Able to record and verify discrepancies using travelers and MES on all testing processes, make modification and escalat issues if needed.
• Able to stand for duration of shift
• Participate and certify for ERT (emergency response team)
• Ability to provide process training to coworkers using hands‑on demonstration and interpretation of agile document.

Job Description

Primary Duties & Responsibilities

• Process InP semiconductor wafers in a cleanroom and ESD-safe environment
• Become certified in multiple process areas such as:
• Photolithography (aligner, stepper, cluster coater, developer, asher)
• Wet etch (semi-automated and automated tools)
• Dry etch (ICP, RIE)
• Thin-film deposition (PECVD)
• Metallization/plating (Ebeam, Sputter, anneal, liftoff)
• Lapping/polishing
• Characterization (CDSEM, AFM, profilometer, stressometer, etc.)
• Handle chemicals (acids, solvents, plating solutions, polishing slurry) with caution and following safety protocol
• Follow the process flow using traveler and MES (manufacturing execution system) such as CAMSTAR
• Enter wafer characterization data and WIP location information into MES
• Interact with engineering for process training and execution of non-standard work instructions on engineering material
• Able to record and verify discrepancies using travelers and MES on all testing processes, make modification and escalat issues if needed.
• Able to stand for duration of shift
• Participate and certify for ERT (emergency response team)
• Ability to provide process training to coworkers using hands‑on demonstration and interpretation of agile document.

Education & Experience

• High School Diploma or Equivalent
• At least 2 years of working experience in a high-tech manufacturing environment is desired
• Wafer handling preferred

Skills

• Attention to detail
• Good at working with small parts
• Experience with semi-automated and automated processing tools
• Familiarity with Microsoft Excel and Word
• Willing to work Overtime and be part of the ERT (Emergency Response Team)
• Meticulous and thorough; diligent with data entry and follow workflow
• Ability to speak, read, write, and comprehend English required
• Integrity and self‑motivated
• Ability to work in fast paced team and independent setting all within a clean room
• Knowledge of machining, construction, electrical useful

Working Conditions

• Must be able to function in a fast‑paced environment, carrying out multiple projects at a time.
• 12-hour shift -
• AM shifts – Thursday – Saturday and every other Wednesday 5am – 5:00 pm
• PM shifts - Thursday – Saturday and every other Wednesday 5pm – 5:00 am
• Schedules are subject to change based on production demands.
• C andidate to work on-site in a cleanroom environment where strict cleanliness rules will be enforced.

Physical Requirements

• Able to stand for duration of shift when needed
• This role will be based on-site in Fremon, CA

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.:

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

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] .

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!