Job Summary: We are seeking a technician to conduct tests and adjustments on radiofrequency electronic devices, verifying performance and calibrating specialized equipment. Key Highlights: 1. Experience with radiofrequency instrumentation 2. Possibility of fixed shift (afternoon or night) with allowance 3. Indefinite-term contract We are seeking a technician to conduct tests and adjustments on radiofrequency electronic devices. Main responsibilities will include performance verification and equipment calibration, using specialized instruments such as network analyzers, spectrum analyzers, signal generators, and oscilloscopes. A higher vocational qualification in electronic systems or telecommunications, or an engineering degree, is required. Prior experience handling radiofrequency instrumentation is mandatory. Availability for rotating shifts (morning, afternoon, and night) is desirable, although the option to select a fixed afternoon or night shift—with an associated allowance—is available. An indefinite-term contract is offered, with an annual salary ranging between 24.000 and 27.000 euros, depending on experience. Tasks will be carried out at the factory. Additionally, a shuttle bus service is provided for commuting to/from Renfe.