Firmware & Electronic Test Engineer

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., * 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

• 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

• 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

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.