Carlos has advised on infrastructure projects such as:
- Metro de Lima Linea 2
- Via Linea Amarilla toll road concession in Lima
- Carretera Interoceanica toll road
- Southern Peruvian Gas Pipeline
- Lima Airport and several Northern Peruvian airports
- Concession of several tranches of the Carretera Panamericana toll road
- Construction of highways and roads
- Huachipa water treatment plant
- Major water and sewage public works in Lima, Cuzco, Arequipa and Cajamarca
- Modernization of the Talara refinery
- Irrigation projects
- Several major public schools
- Quitaracsa and La Virgen hydroelectric power plants
- Kingsmill acid water treatment plant
- Mining projects at Tambomayo and Cerro Verde