We are looking for a surveillance technician to supervise railway construction projects in the province of Navarra. STATIONS: CAPARROSO, CARRASCAL AND UHARTE–ARAKIL. Candidates should have the ability to carry out supervision tasks during construction execution, with experience in technical assistance on land transportation infrastructure projects (railways). A B1 driver's license is essential. Night shift work ARDANUY INGENIERIA S.A. is an engineering consultancy company with over 25 years of experience in the railway sector. It has a workforce of 400 employees and €30 million in sales in 2024. The company's main offices in Spain are located in Barcelona, Madrid, Valencia, Seville, and Tenerife. It has subsidiary companies in Lithuania, India, Algeria, Peru, and Colombia. The company specializes in infrastructure and railway system projects and site management (signaling, overhead lines, substations, telecommunications, etc.) and is accredited to perform Independent Safety Assessments (ISA) Job type: Full-time, Permanent contract Salary: €18,000.00-€21,000.00 per year Benefits: * Flexible working hours * Shortened workday on Fridays Application questions: * What are your salary expectations? Experience: * Railway construction supervision: 4 years (Required) Job location: On-site