Senior Engineering Technician

Coherent Corp.•Fremont, CA

12d

About The Position

The Epitaxy Engineering Technician supports wafer fabrication operations by monitoring, maintaining, and optimizing epitaxial growth processes. This role partners closely with process engineers, equipment technicians, and production teams to ensure process stability, high yield, and continuous improvement. The ideal candidate is detail-oriented, data-driven, adaptable to a fast-paced manufacturing environment, and an effective communicator.

Requirements

AA degree or higher with 3-5 years experience
2 years minimum hands-on experience with operation of computer-controlled and manual vacuum processing equipment such as MOCVD, PECVD, ICP, etc.
2 years minimum hands-on experience with handling InP wafers
2 years minimum hands-on experience with wet chemical processing
InP wafer handling
Work in a systematic and organized way
Hands-on, roll up sleeves attitude
Clear and efficient communication and documentation skills
Team player
Able to work effectively in cleanroom environments
Able to stand and work for most of the workday
Able to pass yearly physical and SCBA respirator mask fit test for respiratory safety
All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.
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

Nice To Haves

Certified or able to obtain Hazmat Technician certification

Responsibilities

Support daily epitaxy process operations within the wafer fabrication facility
Monitor process performance using Statistical Process Control (SPC) and respond to out-of-control conditions
Collect, analyze, and trend process data to identify deviations, root causes, and improvement opportunities
Execute and document process qualifications, engineering experiments, and development runs
Assist with tool setup, recipe management, and implementation of approved process changes
Perform and maintain weekly standards and routine checks for metrology and characterization tools
Collaborate with process engineers to troubleshoot yield, uniformity, thickness, and defect-related issues
Maintain accurate documentation, logs, and reports in compliance with fab procedures and quality requirements
Effectively prioritize tasks to support production schedules and engineering deadlines
Communicate clearly with cross-functional teams including engineering, production, and maintenance
Adhere to all safety, cleanroom, chemical handling, and contamination control protocols