The Role
The Software Engineer will develop automated test systems for MicroLED devices, interface with instruments, and support data analysis and reliability testing.
Summary Generated by Built In
We are looking for a senior Software Engineer to support the development of automated reliability and characterisation test systems for MicroLED devices. The role combines test software development, instrument control, and data analysis, supporting both the execution of reliability campaigns and the analysis of device performance and degradation. The engineer will work closely with hardware engineers and test engineers to develop software tools that control laboratory equipment, automate test procedures, and analyse large datasets generated during device testing.
Key Responsibilities
- Develop and maintain automated test software for reliability and characterisation systems.
- Interface with laboratory instruments and test hardware using LabVIEW, C++, and Python.
- Support the execution of device reliability campaigns and engineering experiments.
- Develop tools for data collection, processing, and analysis.
- Work with engineering teams to interpret results and identify device behaviour trends.
- Contribute to improving the automation and robustness of internal test platforms.
Skills, Knowledge and Expertise
- Master’s degree in Physics, Electronic Engineering, or a related discipline.
- Proficiency in LabVIEW and C++.
- Working knowledge of Python for data processing and analysis.
- Hands-on experience with communication protocols such as SPI and I²C.
- Experience working with laboratory bench instruments such as power supply units, oscilloscopes, pattern generators and multimeters.
- Strong analytical mindset with attention to detail.
- Ability to work independently with minimal supervision.
Benefits
- Pension scheme
- Private medical & dental insurance
- 28 days’ holiday + bank holidays
- Free onsite meals
- Onsite gym
- Relocation support
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
- Master's degree in Physics, Electronic Engineering, or a related discipline
- Proficiency in LabVIEW
- Proficiency in C++
- Working knowledge of Python for data processing and analysis
- Hands-on experience with communication protocols such as SPI and I²C
- Experience working with laboratory bench instruments such as power supply units, oscilloscopes, pattern generators and multimeters
- Strong analytical mindset with attention to detail
- Ability to work independently with minimal supervision
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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.
