President: Andrés Sendagorta. CEO: Jorge Sendagorta Cudós. SENER Infrastructure General Manager: César Quevedo.

Products:
- Civil construction
- Roads and railways
- Tunnels
- Bridges and structures
- Urban integration
- Communication systems
- Signaling systems
- Power supply
- Rolling stock
- Electromechanical equipment
- Ticketing and passenger information systems    
- Traffic control systems
- Operation control centers

Services:
SENER offers all the services required for the complete development of railway projects, from the initial planning stages, feasibility and conceptual studies, preliminary engineering, detailed projects, project management, to the management and supervision of construction and operation, with different financing, construction and operational formulas.

- Planning phase:
Functional and conceptual design
Master plans
Pre-feasibility and feasibility studies
Transport planning

- Design phase:
Preliminary design
Detailed engineering
Final design
Systems integration
Schedule and cost estimates
Value Engineering

- Construction phase:
Construction management
Site Supervision and quality control
Testing and commissioning

- Operation and maintenance phase:
Operation and maintenance plan
Support for operation and maintenance
Cost optimization
Recruitment and Training

- In all phases:
Risk management
Interface management
RAMS - Reliability, availability and maintenance
Independent Checking Engineering
Project management consultancy services
Documentation and data management
Quality guarantee and quality control
Environment and sustainability

Top products: ENGINEERING AND CONSULTING: Cairo Monorail.

High-speed and conventional railway:
- Alameda-Barrancas Freight Corridor, Port of San Antonio (Chile).
- Supervision of executive projects of the Mayan Train, sections I to VII. Technical supervision of all the integral executive projects of sections I to VII of the Mayan Train (1,505 km) for Fondo Nacional de Fomento al Turismo (FONATUR), in Mexico.
- Technical, economic, environmental and legal feasibility studies for FERROESTE. Technical, economic, environmental and legal feasibility studies for the implementation of 1,370 km of freight railroad between Mato Grosso do Sul and the Port of Paranaguá (Paraná), as well as a section for Foz do Iguaçu for the Department of Rodagem do Paraná - DER/PR (Brazil).
- Regional Trans DUBBO (Sydney - Australia)
- Brisbane Commuter Rail - Cross River Rail (Australia)
- Study of the Basque Country Railway Network 2021 for ETS (Spain)
- Consulting services and technical assistance for the monitoring and control of the extension works of Madrid Chamartín-Clara Campoamor station, for ADIF (Spain).
- Expansion, Improvement, Rearrangement and Transformation of Sants Station (ADIF, Spain)
- High Speed Urban Integration in Almeria (Spain). Second Phase
- Dynamic Project Supervision for ADIF Alta Velocidad (Spain)
- Electrification of the Puertollano-Mérida high speed section (Spain).
- Implementation of the 4+4+2 track layout at Atocha Cercanías Station (Spain).
- Study of the aerodynamic loads generated on a freight train when crossing with a high-speed train on mixed operation lines for ADIF (Spain).
- Electrification project of the Vilnius-Klaipeda section in Lithuania for ELECNOR. Drafting of the technical design and technical work design projects for a 25 kV catenary between Vilnius and Klaipeda for a total of 730 km of track.
- Framework plan of CMS projects of the suburban railway plan. Drafting of construction projects for ADIF safety installations on the conventional network, for ADIF (Spain).
- Signaling and track design for PT1 of the Dammam - Riyadh railway line. Infrastructure and track construction project for the extension of seven railway sidings on the Riyadh-Dammam railroad line. Extension and/or replacement of seven drainage works. For CRCC - China Rail Construction Company, in Saudi Arabia.
- Technical support to the SCT (Secretariat of Communications and Transport) throughout the tender and contracting process for the passenger train for the Toluca–Mexico City line’s commercial operation, as well as providing technical monitoring services during the first few months of the line's operational phase.
- Detailed design, technical support and project management during the construction phase of the passenger train for the Toluca–Mexico City line (Mexico).
- Development of the detailed designs for the railway connection between Dar es Salaam and Morogoro, for the Tanzania Central Corridor (TZCC), awarded by the Yapi-Merkezi/Mota-Engil consortium. This consists of a 205 km-long track with six stations, and the works include the preliminary and detailed design of the railway, the infrastructure - including 93 viaducts -, as well as the stations, maintenance workshops and depots. SENER will carry out this project in conjunction with the Danish consultancy firm COWI.
- HS2 EDP (Engineering Delivery Partner) contract for the line between London and Birmingham for High Speed Two (HS2) Limited, a government company responsible for the development and running of the new high-speed railway network in the United Kingdom.
- In the high-speed railway line in California (USA), design of the Palmdale-Burbank section (60 km), as well as a contract to carry out the verification and validation of the CP2&3 section for Dragados and a detailed design contract for the CP4 section for Ferrovial.
- Services for the ongoing supervision of Adif Alta Velocidad projects.
- Concept design of the high-speed Valencia-Castellón line.
- Concept design to integrate high-speed rail in the city of Granada.
- Elaboration of electrification and signaling construction plans for Adif Alta Velocidad.

Urban transportation:
- Independent Checking Engineer (ICE) for the future Metropolitan Electric Network of the Montreal light rail system (Canada).   
- Technical consulting services for the Eglinton crosstown west extension project for Metrolinx-IO - Arup (Canada).
- Finch Streetcar (Canada)
- Preparation of specialized technical studies for the pre-investment studies of the Monterrey metropolitan suburban train for Fideproes, Mexico.
- Guadalajara Metro Line 3, Project Management for the construction of Line 3 between Zapopán, Guadalajara and Tlaquepaque.
- Construction project for the extension of Panama's Metro Line 1 for OH Mota-Engil (Panama).
- Construction project of Panama's Line 3
- Construction project of the depot/patio del morro of São Paulo metro line 6 for Acciona, in Brazil (Brazil) and construction project of Via de Fortaleza metro (Brazil).
- Executive Project of the Fortaleza metro (Brazil) and phase 1 of the East line of the Fortaleza metro.
- Salvador Monorail (Brazil)
-Construction project for the extension of the Edinburgh Tramway.
- Detailed design for the extension of the Edinburgh Tramway, York Place to Newhaven section (Scotland).   
- RAMS/EMC/E&E analysis during the construction of the Edinburgh tramway for Sacyr Farrans (UK).
- Upgrades to the command and control technology of the Barcelona Metro (Spain)
- Drafting of the Construction Project for the Northern Extension of the Granada Metro, for the Consejería de Fomento, Infraestructuras y Ordenación del Territorio de la Junta de Andalucía (Spain)
- Bilbao Metro Line 5 (Spain)
- Cairo Monorail (Egypt)
- Independent Checking Engineer (ICE) for Riyadh metro package 3 in Saudi Arabia.
- Independent Checking Engineer (ICE) for the Lusail tramway in Qatar.

- ACROT Tunnel Boring Machine (TMB) Operation Risk Control Consultancy system, high value-added services in tunnel boring machine works, especially in urban environments.
- RESPIRA® artificial intelligence system, a collaboration with Ferrocarril Metropolità de Barcelona (FMB). RESPIRA® main objective is to improve passenger comfort inside Barcelona's metro stations through the efficient and optimised use of ventilation systems.
- Blocksat, an innovative railway traffic management system for lines with low levels of traffic, based on localization via satellite, inertial navigation and mobile communications.