Senior Process Development Engineer

Plymouth, GBFull-timePosted Sep 24, 2026

Job description

Join a fast-growing Process Development team at the forefront of MicroLED and Optical Interconnect innovation — technology that's shaping the next generation of displays and AI infrastructure. You'll spend around 60% of your time hands-on in our state-of-the-art cleanroom, driving process development that goes straight into product.

The other 40% is where you shape what happens next — planning experiments, analysing data, and presenting insights that influence decisions at management level. You will work on all stages of process development, defining process architecture, developing process modules, working with process development tool owners to develop and optimise pixel performance.

Constantly seek out and implement opportunities for innovation and improvement in the products and processes. Participate in risk assessments and design reviews. Identify the requirements for new tooling to support the development roadmap, including defining process recipe specifications and aligning with the process tool owner.

Leverage your R&D and process development experience to drive progress within a high-performing, results-oriented team. A PhD in Physics, Electrical/Electronic Engineering, Materials Science, or a related discipline focused on III–V semiconductor devices, or a bachelor’s degree with at least three years of relevant industry experience.

Hands on experience of developing and optimising InP or Ga. As semiconductor device fabrication processes in a clean room environment. Knowledge of semiconductor device physics. Broad experience in semiconductor process techniques, including but not limited to lithography (stepper and mask aligner), etch (RIE, ICP and wet etch), CVD, PVD, Evaporation, ALD, IBD.

Design of Experiments and statistical analysis techniques. Working knowledge of CAM systems and SPC. Ability to communicate clearly, design decisions to cross-functional teams. Experience of risk analysis and design review processes. Experience with JMP or Python for data analysis would be an advantage. Pension scheme Private medical & dental insurance 28 days’ holiday + bank holidays Free onsite meals Onsite gym Relocation support Visa support available

Description copied from Plessey's careers page. Read the full posting before you apply.

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