Coherent Corp. · 18 hours ago
Wafer fab Technician
Fremont, CA
Full-time
Onsite
Entry Level
$20/hr - $28/hr
2+ years expCoherent Corp. is a global leader in lasers and engineered materials, and they are seeking a Wafer Fab Technician to process indium phosphide semiconductor wafers in a cleanroom environment. The role involves handling chemicals, following process flows, and interacting with engineering for training and execution of work instructions.
Semiconductors
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 escalate 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
Qualification
Required
High School Diploma or Equivalent
At least 2 years of working experience in a high-tech manufacturing environment is desired
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 escalate 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
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
Able to stand for duration of shift when needed
Preferred
Wafer handling preferred
Knowledge of machining, construction, electrical useful
Company
Coherent Corp.
Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems.
10001+ employees
H1B Sponsorship
Coherent Corp. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (20)
2024 (18)
2023 (16)
2022 (6)
2021 (7)
2020 (9)
Funding
Current Stage
Late StageLeadership Team
Julie Eng
Chief Technology Officer
Yajun Wang
Networking Segment CTO
Recent News
GlobeNewswire
2025-12-19
2025-10-07
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