Experience

VR Telecom

• Spain
• Telecommunications
• 1 - 100 Employee

• CTO

  • Nov 2021 - Present



Telefónica Tech Cloud

• Telecommunications
• 100 - 200 Employee

• Technical Consultant in Packet and Circuit Switched Mobile Networks

  • Nov 2015 - Present

  Position as technical consultant in PS and CS 3G/4G mobile networks with the following accomplishments: - Commisioning of a real time KPI reporting tool (Anritsu) for the SCCP, Diamenter and GRX international carriers. - Deployment of a 3G/4G EPC for data roaming products and services. Position as technical consultant in PS and CS 3G/4G mobile networks with the following accomplishments: - Commisioning of a real time KPI reporting tool (Anritsu) for the SCCP, Diamenter and GRX international carriers. - Deployment of a 3G/4G EPC for data roaming products and services.



Yoigo

• Spain
• Telecommunications
• 300 - 400 Employee

• Circuit Switched Core Network Manager

  • Feb 2015 - Nov 2015

  Technical responsible of the Circuit Switched Mobile Core Network. - CS core provided by Ericsson (MSC, STP, HLR, MGW) - Capacity planning - Interconnection management. - Management of the external providers. - Technical evolution, optimizations and enhancements Technical responsible of the Circuit Switched Mobile Core Network. - CS core provided by Ericsson (MSC, STP, HLR, MGW) - Capacity planning - Interconnection management. - Management of the external providers. - Technical evolution, optimizations and enhancements



Telefónica Tech Cloud

• Telecommunications
• 100 - 200 Employee

• LTE Roaming Technical Consultant

  • Mar 2014 - Feb 2015

  Position as Specialist in 3G/4G Mobile Networks and LTE Roaming, with the following roles. • Design and deployment of the Telefonica Global Solutions LTE Roaming international signalling carrier based on Huawei SPS (Huawei DRA solution), with the following responsibilities.  - HLD and LLD of the technical solution.  - Preproduction tests and fine tunning.  - Deployment of two Diameter Routing Agents.  - Elaboration of the technical annex for the LTE roaming agrements with MNO's and carriers.  - Elaboration of the Technical Manual with all the directions for defining and administering the whole LTE roaming service within the company.  - Integration of the LTE roaming service wiht the supervision and O&M procedures and systems of the company. Show less



Vodafone Spain

• Madrid y alrededores, España

• Circuit Switched Core Network Design Specialist

  • Apr 2005 - Apr 2013

  • MVNO technical design and implementation: Key responsibilities: - HLD and DLD of the integration architecture and solutions for each MVNO regarding voice and signalling interconection ensuring high availability, capacity, easy evolution and deadlines. - Deployment timeplans, preproduction tests and fine tuning of the solutions. - Capacity planning of all the CS core infraestructures involved. - Co-ordination with all the internal and external cross functional teams involved in the MVNO projects such as Wholesales, Billing, Transmision, IN, IP and CS Core O&M team. - Management of the external providers for all the projects. - Documentation of the solutions and training for all the teams involved. - Technical evolution, optimizations and enhancements of the solutions deployed. Key Accomplishments - Integration of Vodafone Enabler (Vodafone Spain's subsidiary MVNE) as a full MVNO and seamless migration of all Vodafone Spain reseller MVNO's to that MVNE. - Lyca integration (full MVNO with 400.000 active subscribers) in a 4 month project. • Techical responsible for the Interconection with a number of national fixed and mobile opcos, which includesigh level design, capacity planning, technical implementation, documentation, evolution. • Management of a number of CS and IMS core network projects, including all the aspects regarding those projects: high level design, detailed level design, interdepartment co-ordination, preproduction tests, documentation, training and management of external providers. Key Accomplishments - Migration from SS7 to SIGTRAN for IN nodes in STP's. - Dismantling of obsolete STP's. - Integration of IMS core network in CS core network. - Deployment of new SBC's within IMS network. - Fine tunning of the CS core network portability database. Show less



Vodafone

• Madrid y alrededores, España

• Callcenter Voice and Data Network Specialist

  • Jun 1998 - Apr 2005

  • Design, deployment and O&M of the circuit switched callcenter voice network based in Avaya and Cisco callcenter solutions. Key responsibilities:  network architecture design and implementation  performance and capacity management  call routing definition and implementation  deployment of new callcenter services and features  technical consulting for Customer Care area  level 2 and level 3 troubleshooting. Key accomplishments:  deployment of Cisco ICM callcenter routing system  design and deployment of offshore callcenters using VoIP solution  design and deployment of VoIP technology for all Vodafone callcenters.  design and deployment of an automatic call routing system based on routing rules and real-time customer information • Desing, development and O&M of the corporate IP data network based in Cisco solutions and using automatic routing protocols as OSPF and ISIS. Key responsibilities  network architecture design and implementation  performance and capacity management  routing definition and implementation Key accomplishments:  design and deployment of data network for offshore callcenters  design and deployment of data network enhancement for all the callcenters in Vodafone for supporting VoIP traffic. Show less



Ernst & Young

• System Analyst

  • Mar 1997 - Jun 1998

  Development of an IT application for computerization of the judicial office in Spain using Uniface programming language. Development of an IT application for computerization of the judicial office in Spain using Uniface programming language.



Coritel

• Madrid y alrededores, España

• Software developer

  • Nov 1995 - Mar 1997

  Development of IT management applications for different purposes and on different programming languajes and tools. Development of IT management applications for different purposes and on different programming languajes and tools.