Firmware & Electronics Test Engineer Location: Edinburgh Salary: £45,000 About the Company KO2's client is a small but rapidly growing technology business based in Edinburgh, specialising in the design and development of innovative electronic devices for the IoT industry. With a strong pipeline of new products and increasing demand, they are expanding their engineering team and looking for a talented Firmware & Electronics Test Engineer to support their next phase of growth. The Role This is a hands-on role where you will play a key part in ensuring the reliability, performance, and quality of cutting-edge IoT devices. You'll work closely with firmware, hardware, and product teams to develop and execute robust test strategies across the full product lifecycle. Key Responsibilities Develop and implement test plans for embedded firmware and electronic hardware Design automated and manual test systems for IoT devices Perform functional, regression, and system-level testing Debug and diagnose faults across firmware and hardware interfaces Collaborate with design engineers to improve testability and product quality Document test procedures, results, and validation reports Support continuous integration and automated testing environmentsSkills & Experience Required Experience testing embedded systems (firmware + electronics) Strong understanding of microcontrollers and embedded C/C++ Familiarity with lab equipm...