João Heitor Email & Phone Number

Lisbon, Portugal

• Lead solution design according to product requirements and business strategy, solution design documentation (HLDs and LLDs) elaboration and maintenance.• Full accountability over the solutions design and implementation of all the new services and solutions on the core, compounding multivendor network elements.• Providing solutions capable of supporting a full global MVNO deployed in the United Kingdom, United States of America, and six other countries, prepared for launching new MVNO… Show more • Lead solution design according to product requirements and business strategy, solution design documentation (HLDs and LLDs) elaboration and maintenance.• Full accountability over the solutions design and implementation of all the new services and solutions on the core, compounding multivendor network elements.• Providing solutions capable of supporting a full global MVNO deployed in the United Kingdom, United States of America, and six other countries, prepared for launching new MVNO in new countries with local and roaming services. • Responsible for Jinny SMSC and Asterisk voice mail solutions design and implementation. • Project and risk assessment within the business strategy. Show less

• Operation and maintenance responsibility on CS (mobile and fixed) and IMS domains on a Core Network based on Ericsson and Huawei network elements. • Accountability over configuration, integration, test and acceptance of the new network elements.• Deliver Software and Hardware Upgrades with no impact.• Responsible for the integration of Oni and Tele2 customers according to the business strategy timings and with no customer impact.• Liaison with national and international… Show more • Operation and maintenance responsibility on CS (mobile and fixed) and IMS domains on a Core Network based on Ericsson and Huawei network elements. • Accountability over configuration, integration, test and acceptance of the new network elements.• Deliver Software and Hardware Upgrades with no impact.• Responsible for the integration of Oni and Tele2 customers according to the business strategy timings and with no customer impact.• Liaison with national and international operators to set up inter-connectivity for signalling and traffic. • Maintenance activities and traffic statistical analysis • Development of internal training for new team members Show less

• Responsible for testing, integration, operation and maintenance of Huawei equipment in the Novis core. • Lead implementation of LCR (least cost routing) policies.• Responsible over OSS Systems (Tekelec)• Highly experienced in troubleshooting signalling problems in SIP, ISUP, DSS1 and INAP protocols.• Responsibility over Software and Hardware Upgrades.• Traffic statistical analysis• Main interface with suppliers for monitoring of SLA's and reporting faults.

• Technical support to the installation of isdn modems, pots and isdn small telephone exchanges, and terminal adapters.• Configuration of modems and isdn and pots telephone exchanges, terminal adapters. • Support Portugal Telecom teams on the ground for configuration and installation of isdn equipment