Senior Electronics Engineer Oxfordshire – Hybrid Salary - £70,000 to £80,000 An innovative and fast-growing start-up at the forefront of quantum technologies is seeking a Senior Electronics Engineer to join their expanding R&D team. This role offers the opportunity to work on cutting-edge electronic systems with applications across a range of industries. Requirements: 5+ years of hands-on electronics experience, with a strong background in designing and characterising optoelectronic systems (industry or academia) Degree (BSc/MSc/PhD) in Electronics, Photonics, Physics or similar Ability to thrive in dynamic environments, working autonomously with high attention to detail. Solid experience in analogue and digital electronics design Proficient with PCB design software — Altium preferred Strong understanding of photonics, fibre optics, and photonic integrated circuits (PICs) Responsibilities: Designing and developing complex electronics for optoelectronic systems — including laser drivers — using simulation tools and hands-on testing. Creating solutions for packaging and integrating photonic components and PICs, including system-in-package designs. Supporting prototyping efforts including fibre-optic assemblies and test procedures. Developing and executing rigorous test plans for functional and environmental validation — refining systems through data-driven analysis. If you a...