Telcel, Mexico City, 2003 Programming of Heartbeat and Resynchronization software modules for diverse Network Management Platforms. Implementation, Delivery and Support. Telefonica, Mexico City, 2003 Programming and implemenation af Network Element Data Loading (Inventory and Fault Management) Sistema Nacional de Seguridad Publica, Mexico City, 2002 Design, Implementation and Support of HP OpenView Performance Insight Network Performance Management System. Integration with Cisco WAN Manager, Service Information Portal. Programming of Network Data Collection and Inventory management interfaces. ADC Metrica, Boston MA, 2001 Programming of Network Performance Data Parsers for Metrica NPR. Development of Network performance reports and summarisation algorithms.