- Part of the J2EE development team at the Logistics & Commercial Dept. of Inditex.- Mantainance of Java desktop and web apps for the Raw Material area.

- Part of the J2EE development team in charge of the LatAm 24x7 Customer Virtual Offices for Naturgy (formerly Gas Natural Fenosa).- Responsible for API REST services integration on the web client side.

- Responsible for the service transfer (USA to Spain) of EDP Renewables North America systems by HP Spain.- Responsible of systems migration and consolidation between EDP datacenters in Spain and Portugal.- Administration, control and general operation of the Wintel/Linux systems of EDP Group in Spain and USA.- Administration and backup tasks of SQL Server systems of EDP-R Europe and EDP-R North America.- DevOps tasks and support on internal J2EE Spring developments for the Java development dept.

- Administration and general operation of the perimeter security systems of HC Energía (later EDP Energía) and EDP Renewables Europe: corporate firewall, antispam and IPS systems.- Support for the Networking and Desktop Support areas of HC Energía in several tasks: procedure definitions, coordination with providers and incident solving.

- Intern at the IT Dept. of HC Energía (later EDP Energía), supporting the Desktop Support area in procedure definitions.- Internal PHP development for the Service Desk area.