Semiconductor Process Engineer - Wilmington, MA

About the Role

We are seeking a Semiconductor Process Engineer to join our advanced wafer fabrication team.
In this role, you will help develop and manufacture cutting-edge optoelectronic devices, including:

• Avalanche photodetectors
• Laser diodes
• Photonic integrated circuits

This is a hands-on engineering role where you will own process development, optimization, and production support in a cleanroom environment.

Key Responsibilities

• Develop and define new semiconductor fabrication processes and process flows
• Continuously optimize existing manufacturing processes
• Collaborate with device designers to fabricate and improve photonic devices
• Develop and refine processes including:
  • Thin film deposition
  • Wet etching, RIE, and DRIE
• Perform photolithography mask design (CAD/layout)
• Develop wafer diffusion processes for III-V semiconductors
• Create and maintain:
  • Process documentation
  • Run sheets
  • Work instructions
• Analyze relationships between process parameters and device performance
• Monitor process variation and lead continuous improvement initiatives
• Evaluate new device specifications to estimate:
  • Cost
  • Yield
  • Feasibility
• Support compliance with industry certifications and standards
• Operate and maintain fabrication equipment for both R&D and production

Required Qualifications

• Bachelor's or Master's degree in:
  • Electrical Engineering
  • Materials Science
  • Or related field
• 4+ years of hands-on semiconductor fabrication experience
• Strong understanding of:
  • Semiconductor process technology
  • Device physics
• Experience working in a cleanroom environment
• Ability to:
  • Work independently
  • Manage multiple priorities
• Strong analytical, problem-solving, and organizational skills
• Proficiency in:
  • DOE (Design of Experiments)
  • SPC (Statistical Process Control)
• Excellent documentation and process-writing skills
• Strong attention to detail and manual dexterity for wafer handling
• Commitment to safety protocols and chemical handling
• Strong written and verbal communication skills