Senior Mask Design Engineer – Photonics & IIIV Devices

Company: Plessey Semiconductors Ltd
Apply for the Senior Mask Design Engineer – Photonics & IIIV Devices
Location: Keyham
Job Description:

Plessey Semiconductors Ltd in Plymouth is seeking a Mask Design Engineer to develop next-generation semiconductor technologies. You will lead mask design and end-to-end mask procurement, coordinating with design teams, fabrication sites and mask vendors to ensure on-time, high-quality deliveries.

The role requires a degree in Electrical Engineering or related fields with hands-on experience in mask data flow (GDSII/OASIS) and familiarity with EDA tools.

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Posted: September 1st, 2026