Firmware & Electronics Test Engineer Location: Edinburgh Salary: £45,000 About the Company KO2s 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. Youll 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 environments Skills & Experience Required Experience testing embedded systems (firmware electronics) Strong understanding of microcontrollers and embedded C/C++ Familiarity with lab equipment (oscilloscopes, logic analysers, etc.) Experience with test automation frameworks or scripting (Python or similar) Strong problem-solving and debugging skills Desirable Skills Experience with wireless connected devices Understanding of hardware design principles Whats on Offer Opportunity to join a fast-growing, innovative company Work on cutting-edge products from concept to production Collaborative and agile engineering environment Competitive salary and benefits package Real scope for career progression as the company scales Apply Now or contact KO2 Recruitment for more information.