An established UK technology company is seeking a Senior Electronics Engineer to join a small, highly capable engineering team working on advanced, real-world security systems deployed internationally. This role is suited to an experienced, hands-on engineer who enjoys owning hardware from concept through to production and working closely with manufacturing, test, and multidisciplinary teams. The Role You will play a key role in the design, development, and support of electronic and RF-enabled products used in safety-critical environments. The position involves both new product development and ongoing support of existing systems already in production. Responsibilities include: * Design and development of analogue, digital, and mixed-signal electronics * Schematic capture, PCB specification, layout oversight, and design reviews * Supporting products through prototype, test, and manufacture * Ownership and improvement of production test processes and equipment * Diagnosing and resolving hardware, RF, and EMC-related issues * Working closely with operations, firmware, and mechanical teams * Maintaining clear technical documentation and test records About You You will be an experienced electronics engineer who is comfortable taking responsibility and working in a practical, delivery-focused environment. Key requirements: * Degree ...