Are you ready to shape the future of next-generation devices? We are looking for a Principal Device Simulation Engineer to join our team of innovators pushing the limits of MicroLED and optical compute technologies. Your simulations will help validate theories, explore design trade-offs, and inform the next generation of MicroLED and optical compute technologies. Key Responsibilities Lead the simulation, modelling, and analysis of semiconductor or photonic devices across a range of technologies. Develop and validate device models to support design, optimisation, and experimental work. Collaborate closely with process integration, optics & device engineering to provide actionable insights from simulation results. Mentor and guide junior engineers on simulation methodologies and best practices. Evaluate and implement new simulation tools and techniques to enhance modelling capabilities. Present technical findings to internal stakeholders and contribute to technology strategy. Skills, Knowledge and Expertise PhD in Physics, Electrical Engineering, Materials Science, or a related field. This role requires deep knowledge of device physics, semiconductor simulation tools, and advanced analytical methods. Direct knowledge of advanced simulation tools ( examples include Silvaco ATLAS/Blaze, SiLENS, COMSOL, Optiwave) Experience interpreting simulation results and providing guidance to experimental/device teams. Direct knowledge of simulating ultra-high speed III-V light emitting devices. Knowledge of ultra-high-speed devices or high-frequency applications. Strong programming or scripting skills for simulation automation (Python, MATLAB, etc.). 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