Private engineering and technology group which seeks to transform the world by challenging the boundaries of technology, with the mission of helping its clients with innovative and effective solutions. Sener has 4,500 professionals and offices in 18 countries across five continents, and has become a global leader in the mobility, advanced facilities, energy, marine and aerospace sectors. In the railway and urban transport sectors, we provide comprehensive engineering services (design, construction, commissioning, operation and maintenance) which allows us to participate in all phases of a project and cover all technical disciplines with our own experts.