Plessey Semiconductors Ltd

Senior Test Development Engineer Department: Engineering Employment Type: Full Time Location: Plymouth Description We are looking for an experienced Test Development Engineer to join our team. In this role, you will work with advanced test equipment, helping to develop and improve innovative testing solutions. If you are passionate about test development, enjoy solving complex problems, and want to work with cutting edge technology, we would love to hear from you. Key Responsibilities Implement and maintain digital and mixed signal test solutions. Specify hardware required for testing such as probecards, interface boards etc. Develop and optimise test programs for complex devices using Teradyne Ultraflex. Perform test program, Test HW characterization over temperature (Ex. Shmoo analysis), GRR, Correlation, setup calibration and product qualification. Drive and perform the Repeatability and Reproducibility Studies which are necessary to transfer a test solution from an in house development site or from other development sites to a full manufacturing high volume setup. Define and release procedures for all aspects of test program development (e.g. test program release, test coding guidelines etc). Release and support test programs for production. Collaborate with key stakeholders to ensure on time delivery test coverage and quality. Work with stakeholders to identify and implement test process improvements. Skills, Knowledge and Expertise Significant experience in test development within mixed signal environments, encompassing both analog and digital system validation. Strong programming skills ( VBA, Python). Understanding of digital and analog test principles. Problem solving and analytical skills. Experience with GRR and test program release processes including data analysis software (eg. JMP, Examinator). Advantage Mixed signal testing expertises. Experience with Teradyne Ultraflex. uLED and /or display panel testing expertise. Knowledge of Teradyne IRIS100S systems. Knowledge of semiconductor manufacturing and test flows. Knowledge of TEL probers. Expertise with test program control such as git. Benefits Pension scheme Private medical & dental insurance 28 days' holiday + bank holidays Free onsite meals Onsite gym Relocation support Visa support available

Plessey Semiconductors Ltd in Plymouth is looking for a Senior Test Development Engineer to develop and maintain advanced test solutions. The role involves significant experience in mixed-signal test development, strong programming skills in VBA and Python, and collaboration with stakeholders to ensure quality and delivery. Benefits include pension scheme, private medical insurance, 28 days holiday, onsite gym, and free meals. Join us to work with cutting-edge technology.

Software Engineer Department: Engineering Employment Type: Full Time Location: Plymouth Description 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 I C. 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

Plessey Semiconductors Ltd in Plymouth is seeking a Software Engineer to develop automated reliability testing systems for MicroLED devices. The ideal candidate will have a Master's degree in Physics or Electronic Engineering, with proficiency in LabVIEW and C++. The role involves developing software tools for controlling laboratory equipment and automating test procedures. Benefits include a pension scheme, medical insurance, 28 days holiday, onsite meals, and relocation support.

Plessey Semiconductors Ltd in Plymouth is seeking a Principal Process Development Engineer to lead the development of fabrication processes for MicroLED and Optical Computing. The ideal candidate will have a PhD in a relevant field and over 3 years of experience in semiconductor process development. Key responsibilities include optimizing processes and leveraging innovative techniques. Benefits include a pension scheme, private medical and dental insurance, and onsite gym access.

Principal Process Development Engineer Department: R&D Employment Type: Full Time Location: Plymouth Description Seeking a Principal Process Development Engineer with deep expertise in process development, strong analytical and problem solving skills, hands on experience with advanced fabrication and characterization techniques, and a proven ability to lead cross functional R&D initiatives. Join a fast growing Process Development team pushing the boundaries of innovation in MicroLED and Optical Computing. Around 60% of your time will be spent in a state of the art cleanroom advancing process development, and the other 40% on planning, analysing data, and presenting insights to management. Key Responsibilities Lead the development and optimisation of fabrication processes for MicroLED and Optical Computing devices. 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 MicroLED and Optical Compute 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. Skills, Knowledge and Expertise A PhD degree in either Physics, Electrical/Electronic Engineering, Material science or any relevant subject covering the field of III V semiconductor devices. 3+ years of extensive experience in process development within semiconductor, display, or related high tech industries. Expert knowledge of MicroLED or Photonics and/or Optical compute technologies. Hands on experience of developing and optimising III V, ideally III - N, semiconductor device fabrication processes in 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. Expert experience of LED performance matrix and its measurement techniques such as IV response, Electroluminescence, EQE will be advantageous. 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. Benefits Pension scheme Private medical & dental insurance 28 days' holiday + bank holidays Free onsite meals Onsite gym Relocation support Visa support available