Experience

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  Televisão cidade

  Jan 2004 - Jan 2007

  Noc analyst

  Main responsabilities:Network reports, collaboration in CMTS’s (Motorola & Cisco) deployment, Good knowledge in HFC (Hybrid Fiber-Coaxial) networks. Monitoring and troubleshooting on ISP links. Proactive support on last-miles circuits. PDH and SDH management..Main projects and achievements• Technical leadership, after two career assesments• Technical point of contact for technical reports, KPI analisys and troubleshootings related to a HFC networks.

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  Oi/telemar

  Mar 2007 - Jul 2009

  Telecommunications technician

  Main responsabilities:• PABX Provisioning leader. Switching on the following vendors: Ewsd (Siemens), Axe (Ericsson), Neax 61Br Sigma (NEC), Trópico RA (Promon) e 5ESS2000 (Lucent-Alcatel). • Support Provisioning Team on PABX configuration (access and switching)

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  Nokia siemens networks

  Mar 2009 - May 2013

  Telecommunications technician

  Main responsabilities:• O&M on ISUP/TUP/MFC trunks database at NGN architecture (Huawei - Media Gateways Controllers and Media Gateways) and TDM network in the following vendors: EWSD (Siemens), AXE (Ericsson), NEAX61Br SIGMA (NEC), Trópico RA (Promon) and 5ESS2000 (Lucent-Alcatel).• Troubleshooting on failures related to TDM trunks, using Workflow&Workforce systems.• Support Provisioning Team on PBX configuration (access and switching)

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  Oi s.a

  May 2013 - Apr 2021

  Main responsabilities:• Service engineer responsible for provisioning and supporting VoIP interconnections with major Telco Operators all over the globe, e.g Verizon, Telecom Itália, Deutsche Telekom, Tata Communications, among others. Advanced knowledge in SIP - Profiles A & C , RTP/RTCP and TDM protocols. Experienced in the following vendors: Session Boarder Controllers (Acme Packet - Oracle)Media Gateway Controllers e Media Gateways (Huawei)EWSD (Siemens), Tropico RA (Promon) and AXE (Ericsson).• Collaboration on Core network handovers, related to NGN and IMS architectures• Troubleshooting on failures related to VoIP interconnections. Good knowledge in performance applications KPIs (Tektronix), call-flow analisys (ladder diagrams) and CDRs cross-checking.• LIS Provisioning – Lawful Interception Service - according to police requests. Main projects: • Oi’s international Gateways – technical point of contact for migrating all VoIP traffic towards a new international platform.• Spin Off (Call Center IP) – collaboration with call center network elements internalization (URAs & CMs). Troubleshooting on failures related to Oi’s Call Center x Partners e.g. Contax, Almaviva, BTCC, Accenture. • IP Multimedia Subsystem (IMS) – support to registration and calls issues related to IMS architecture, mainly Session Boarder Controller and NGN Huawei for Breaking-out & Breaking-in scenarios.Keywords: Telecommunications Engineer, SIP, RTP, Telecom Specialist, VoIP, Network Engineer, Session Boarder Controllers, ISUP, Interconnection, TDM, Call Center IP, IMS; Show less Main responsabilities:• Network engineer responsible for provisioning and supporting VoIP interconnections with major Telco Operators all over the globe, e.g Verizon, Telecom Itália, Deutsche Telekom, Tata Communications, among others. Advanced knowledge in SIP - Profiles A & C , RTP/RTCP and TDM protocols. • O&M on ISUP/TUP/MFC trunks database at NGN architecture (Huawei - Media Gateways Controllers and Media Gateways) and TDM network in the following vendors: EWSD (Siemens), AXE (Ericsson), NEAX61Br SIGMA (NEC), Trópico RA (Promon) and 5ESS2000 (Lucent-Alcatel).• Provisioning LIS – Lawful interception service - according to police requests.Keywords: VoIP, ISUP, Carrier Relations, Engineering, Network Support, O&M Show less

  • Telecommunications Specialist

    Jun 2016 - Apr 2021

  • Senior Telecommunications Technician

    May 2013 - Apr 2021
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  Infopulse

  Apr 2021 - now

  Main responsabilities:• Global support and troubleshooting activities related to Voice, Signaling, Messaging, Roaming and VAS products @BICS. Re-active repair activities with customers, suppliers and third parties worldwide.Ensure effective communications on technical queries with Telco and Enterprise partners.Guarantee customers complaints resolution, as per SLAs agreements. Troubleshooting activities using Splunk logs.>> Enterprise support team – as of Oct-2022Premium support for Cloudcom VAS Tier 1 customers, handling tickets for DID numbers, International Freephone ITFS, SIP-Trunking, among other voice-related products.Premium support for enterprise customers on Messaging domain (SMPP binds, Routing, MNP, CPaaS, etc) and IoT services. Show less

  • Senior Service Engineer - IoT

    Mar 2025 - now

  • Senior Service Engineer

    Mar 2024 - Mar 2025

  • Service Engineer

    Apr 2021 - Mar 2024