Diogo Vicente Email & Phone Number

Lisbon, Pt

- Support in design and implementation of Business Unit’s requests for messaging and mobile VPN solutions- Preparing of technical documentation to be implemented by Operations teams- Expertise in: - SMSC, SMS FW, OTA, USSD and Mobile VPN solutions - UCP, SMPP, MAP, SIP, ISUP, DIAMETER, CS1+ protocols - Technical documentation (23.040, 23.038)- 4th level support of technical issues involving SMS and mobile VPN- Responsible for project time planning, management, as… Show more - Support in design and implementation of Business Unit’s requests for messaging and mobile VPN solutions- Preparing of technical documentation to be implemented by Operations teams- Expertise in: - SMSC, SMS FW, OTA, USSD and Mobile VPN solutions - UCP, SMPP, MAP, SIP, ISUP, DIAMETER, CS1+ protocols - Technical documentation (23.040, 23.038)- 4th level support of technical issues involving SMS and mobile VPN- Responsible for project time planning, management, as well as sharing its results to the Stakeholders - Knowledge of PL/SQL, as well as both Oracle DB and Oracle APEX solutions Show less

My main tasks as a Technical Support Engineer are as follow:- Investigation and troubleshooting of customer faults raised via Salesforce, in order to either fix the underlying issue, raising it to an internal team, or to a 3rd party team (usually MNOs: AT&T, Vodafone, KPN, O2, etc).- Analyzing network traces on Wireshark for Voice, SMS, Data, IMS or VoWifi flows, including roaming scenarios. Protocols: SIP, ISUP, MAP, CAP, DIAMETER, SMPP, Radius, GTPv1/GTPv2.- Troubleshooting on… Show more My main tasks as a Technical Support Engineer are as follow:- Investigation and troubleshooting of customer faults raised via Salesforce, in order to either fix the underlying issue, raising it to an internal team, or to a 3rd party team (usually MNOs: AT&T, Vodafone, KPN, O2, etc).- Analyzing network traces on Wireshark for Voice, SMS, Data, IMS or VoWifi flows, including roaming scenarios. Protocols: SIP, ISUP, MAP, CAP, DIAMETER, SMPP, Radius, GTPv1/GTPv2.- Troubleshooting on network elements such as SMSC, OCS, IN, HLR/HSS, VM, PCRF, etc.- Providing support to the company sales process as well as solving technical issues (on CRM platforms, such as Salesforce or Cerillion) related to provisioning work orders;- Analysis of logs, SQL queries, XML or JSON messages, and provisioning commands in order to identify and mitigate technical issues.- Use of MySQL, MSSQL, and Oracle SQL queries in order to detect any data consistencies. Show less

My main tasks as an IREG Engineer are as follow:- Carrying out the necessary implementations under NOS network nodes (MSC/VLR, HLR, HSS, SGSN, MME, DNS, DRA) for several technologies (ex: GSM, GPRS, UMTS, CAMEL and LTE) in order to proceed with testing.- Conducting tests for the said technologies (ex: IR24, IR60, IR32, IR38) to ensure the roaming partnership can be established without any issues.- During test phase, it is also necessary to:- Provide support for roaming partners,… Show more My main tasks as an IREG Engineer are as follow:- Carrying out the necessary implementations under NOS network nodes (MSC/VLR, HLR, HSS, SGSN, MME, DNS, DRA) for several technologies (ex: GSM, GPRS, UMTS, CAMEL and LTE) in order to proceed with testing.- Conducting tests for the said technologies (ex: IR24, IR60, IR32, IR38) to ensure the roaming partnership can be established without any issues.- During test phase, it is also necessary to:- Provide support for roaming partners, including troubleshooting failed tests. Protocols: RANAP, TCAP/MAP, SIP, DIAMETER.- Report any failure found either to the responsible party (either any dept. under NOS or roaming partner).- Keeping NOS network updated through roaming partners' requests, ensuring previously established partnership is fully functional. Show less

While working as a NI engineer at Nokia, my main tasks are:- SRAN (UMTS/LTE modernizations and GSM swap);- GSM, UMTS and LTE new site integrations;- Working alongside field technicians located in Germany, answering and returning calls, as well as providing remote support (including all kinds of troubleshooting);- Updating NI tracker and tools to ensure accurate reporting;- Working with various Nokia tools, such as Netact.Being in this position has also made it… Show more While working as a NI engineer at Nokia, my main tasks are:- SRAN (UMTS/LTE modernizations and GSM swap);- GSM, UMTS and LTE new site integrations;- Working alongside field technicians located in Germany, answering and returning calls, as well as providing remote support (including all kinds of troubleshooting);- Updating NI tracker and tools to ensure accurate reporting;- Working with various Nokia tools, such as Netact.Being in this position has also made it possible to improve myself in many aspects, such as:- Communication, given the constant interaction between Nokia GDC and the field technicians;- My skills in English, since the calls are mostly in that language, and it is necessary to make ourselves clear;- Dealing with pressure and overall organization when integrating more than one or two sites, as we have to keep in mind to update the tracker and tools in real time as well as make sure we don't leave the technicians waiting too much time on the field. Show less