We are seeking a surveillance technician with experience in railway civil works to monitor and supervise field operations as part of the Technical Assistance (TA) team for the Facultative Management. Your role will be to represent the supervising engineering team on site, ensuring that the main contractor's work is carried out according to design and contract specifications. A class B1 driver's license is essential. Possible night shifts. This position will be carried out within the technical assistance framework at the stations of La Roda de Andalucía and Bobadilla. Minimum Requirements \-Minimum 2 years of experience in supervision of railway construction projects or major linear infrastructure. \-Proficiency in basic office software (Excel, Word). \-Valid driver's license and availability for on-site work. Job Type: Full-time Experience: * Access control: 1 year (Desirable) Work Location: On-site