Senior Process Engineer

Department: Engineering

Employment Type: Full Time

Location: Plymouth

Description

We are seeking a Senior Process Engineer – Wet Etch or Dry Etch to develop, optimise, and sustain etching processes for MicroLED device fabrication. This role will support high-resolution pixel patterning, mesa isolation, sidewall profile control, and defect reduction across III-V semiconductor materials.

Key Responsibilities

• Develop and optimise wet etch and/or dry etch processes for MicroLED fabrication.
• Define etch recipes for IIIV materials.
• Optimise critical parameters including etch rate, selectivity, anisotropy, sidewall angle, surface roughness, and uniformity.
• Support pixel scaling while maintaining yield and device performance.
• Perform process qualification, tool matching, and SPC control.
• Troubleshoot process excursions, defe...