Description Lumai is an Oxford-based start-up creating the next-generation of hardware for AI acceleration using 3D optical computing – a technology that uses light to compute at faster speeds and at greater scales than ever before, all whilst consuming less energy than traditional electronics. Join us to become part of a motivated and creative team spanning optics, optoelectronics, digital & analogue electronics, embedded software and AI/ML algorithms, and grow with us as we become world leaders in this exciting new era of computing. We promise an interesting and rewarding journey. Lumai are seeking an experienced Electronics Lab Technician to join our team. The ideal candidate will have extensive hands-on experience in electronics testing, repair, and maintenance, with strong technical skills in surface mount technology and boundary scan testing. The ideal candidate will have 5 years of experience working as an Electronics Lab Technician or similar role, with a proven track record in electronics testing, debugging, and repair. Requirements Demonstrable ability to manage comprehensive lab inventory systems and perform proactive day-to-day maintenance to ensure optimal lab operations Proficient in operating sophisticated electronics lab equipment including lab-grade power supplies, oscilloscopes, microscopes, and specialised diagnostic instruments Skilled in the use of hand tools and workshop equipment such as precision drills, files, hammers, and fabrication tools for prototype development Expertise with specialised electronics assembly tools including soldering stations, precision crimping tools, wire strippers, and controlled heat guns Proven capability in general soldering and electronics assembly tasks, including fabrication of custom cable assemblies and precision PCB rework Highly skilled in advanced soldering techniques for fine-pitch surface mount components, including challenging BGA (Ball Grid Array) packages Experience executing and documenting pre-defined test routines with accuracy and attention to procedural compliance Enthusiastic about acquiring new skills and mastering equipment for innovative manufacturing processes and emerging technologies Flexible and proactive approach with strong judgment skills to determine optimal assembly methods for prototypes while balancing project constraints and timelines Desirable Experience Experience conducting JTAG boundary scan diagnostics; XJTAG platform experience particularly valued Hands-on experienceoperatingand maintaining 3D printers for rapid prototyping applications Background working in optical laboratories with experience handling laser systems and optical equipment Familiarity with wire-bond and die-bond machines for semiconductor packaging operations Experience with sophisticated soldering systems including manual pick-and-place machines and programmable reflow ovens