The Role
The Senior Device Engineer will focus on developing measurement techniques for micro-LED structures, understand semiconductor device physics, and collaborate with teams for advanced optical device development.
Summary Generated by Built In
This is a key role focusing on the development of measurement and modelling techniques applied to MQW micro-LED structures & advanced optical device development. The successful candidate will have substantial experience in the understanding of semiconductor devices.
Key Responsibilities
- Taking a central role in developing new and applying existing measurement and modelling techniques to help to develop new technologies.
- Developing novel measurement methods for QW micro-LED structures.
- Working in close collaboration with the Process Development and Process Architecture teams.
- Identifying reasons for and solutions to performance limiting behaviour.
- Developing and introducing new techniques to help characterise and understand the operation of our devices.
- Liaise with research institutions such as universities and government laboratories with a view to commissioning work outside of the scope that is possible within Plessey.
- Produce clear and concise reports for dissemination of results among the engineering community.
Skills, Knowledge and Expertise
- Ph.D or MSc in Physics.
- Strong knowledge of semiconductor device physics.
- Hands-on experience with characterisation techniques for IIIV devices & experience with RF characterisation.
- Substantial experience with semiconductor measurements and a demonstrated ability to learn and develop device models.
- Strong analytical and problem-solving skills.
- Excellent written and verbal communication skills.
- Ability to work collaboratively in a multidisciplinary team.
Benefits
- Pension scheme
- Private medical & dental insurance
- 28 days’ holiday + bank holidays
- Free onsite meals
- Onsite gym
- Relocation support
- Visa support available
About
About PlesseyWe’re building the hardware foundation for next-era computing.Plessey is a world-leading technology company driving the next generation of photonic devices and systems. With over 70 years of innovation, we combine research, materials science, process engineering, and manufacturing under one roof. We’re recognised as a global authority in microLED displays, optical computing, and optical interconnects.Join us to work on breakthrough technologies shaping the future of light-based technology and computing.LeadWe don’t follow industry trends; we create them, pushing boundaries and setting standards others aspire to. Every team member has the power to make decisions, drive change, and deliver excellence. We support each other, challenge one another for the best solutions, and lead by example. Together, we build industries and technologies that shape the future and scale toward our vision of the next era of computing.GrowWe expand our capabilities every day — deepening our expertise, improving how we work, and pushing the boundaries of what’s possible. Curiosity fuels us: we question assumptions, explore new ideas, and innovate with light-based technologies. By investing in and empowering our people, we strengthen Plessey’s impact and help shape the future of optical technology.TrustWe operate like a family—honest, reliable, and supportive. We have each other’s backs, own our actions, and uphold the highest standards of integrity and safety. We trust each other to deliver, our customers to challenge us, and our expertise to guide the way. Together, trust enables the collaboration essential for breakthrough innovation and lasting impact.
Skills Required
- PhD or MSc in Physics
- Strong knowledge of semiconductor device physics
- Hands-on experience with characterisation techniques for IIIV devices
- Experience with RF characterisation
- Substantial experience with semiconductor measurements
- Demonstrated ability to learn and develop device models
- Strong analytical and problem-solving skills
- Excellent written and verbal communication skills
- Ability to work collaboratively in a multidisciplinary team
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The Company
What We Do
Plessey is a UK-based technology company specializing in the design and manufacturing of advanced microLED display solutions. They utilize a proprietary GaN-on-Silicon platform to produce high-performance, high-density RGB pixel arrays for applications in Augmented Reality (AR), Virtual Reality (VR), and other head-mounted display systems. The company operates integrated manufacturing facilities in Plymouth, England, focusing on the next generation of photonic technologies for computing and display engines.
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