Roaming Expert

• Nov 2022 - Present

Roaming Support and Performance, IREG and CNTO Provisioning Coordinator

• Jul 2021 - Nov 2022

- Strategic leadership of the Roaming, IREG and CNTO Provisioning Support teams.- knowledge in Virtualization Solutions as Huawei Fusion Sphere- knowledge in Cloud Solutions as Microsoft Security, Compliance, and Identity Fundamentals (SC-900), AWS Cloud Practitioner Essentials.- Cisco experience - CCNA level. - Solid technical knowledge of mobile network services in different domains – Core CS, Core PS/EPC, Core IMS, IP, knowledge in different signaling protocols and access to network nodes.- Management and direct action in N1/N2 mobile customers complaints (N1 and N2) for international roaming, national and provisiong scenario or massive network failures, with excellent SLA's and quality of diagnostics.- Leadership and participation in projects for new mobile services with engineering teams, providers and international partners.- Leadership of performance work with development of the network/platform KPIs.- Experience in virtualized services VNF's, practical knowledge of cloud architectures, microservices, network slice, and participation in the evolution of 5G services.- Basic programming knowledge in Python and HTML.- In terms of People Management, I work promoting periodic updates, squad format (providing environments for brainstorming, job rotation, interaction between different areas), fostering collaboration and innovation.- Focus on quality management of mobile services, promoting constant alignments in processes. Show less

Consultant - Roaming Leader Enginneer at Telefônica Brasil

• Apr 2011 - Nov 2022

• Acting in projects involving new technologies for National and International Roaming for Mobile Network.• Solid technical knowledge of Mobile Network involving all domains (Core CS, Core PS, Core EPC, Core IMS) and themes as signalling SS7 between international carriers and MGCs/HLRs, DNS, backbone IP, GTPV1 (3G data), GTPV2 (4G data) between SGSN/GGSN/SGW/PGW (involving GTP Proxy and Data Optimization), Diameter/HSS/DRA/DEA, ISUP/SIP and SCCP traffic between STP’s and others.• Technical Leader for International Roaming Support Team.• LCR analysis with commercial team, evaluating the routing of ISUP / SIP traffic to different carriers that provide quality for our customers (always thinking and evaluating all costs for each one). • Knowledge of GSMA documentation as IR21 and others IR’s documents with their standard parameter.• Evaluation of roaming products and solutions introduced by different vendors of the telecommunication market, analysing traffic for designing new products and new technologies together Wholesales team.• Working directly with roaming service agreements for (Voice, 3G and 4G Data and Camel) involving roaming partners, engineering, suppliers, IREG and TADIG. Show less

Circuit Switching Expert - Core Network

• Mar 2008 - Nov 2011

• Fault Troubleshooting in Core Elements Ericsson - AXE (HLR, MSC / VLR, MGW) and platforms Tekelec (Eagle -STP and EPAP). • Settings in Achieving STP level MTP3, SCCP, SCTP , among others. • Configuration in MSC -S, HLR and MGW of Ericsson, acting the levels APG, APZ and APT. • Experience in Signaling (MAP, ISUP, INAP), and experience in protocols analyzer Tekelc (IAS and Sentinel). • Fault Troubleshooting in Core Elements Ericsson - AXE (HLR, MSC / VLR, MGW) and platforms Tekelec (Eagle -STP and EPAP). • Settings in Achieving STP level MTP3, SCCP, SCTP , among others. • Configuration in MSC -S, HLR and MGW of Ericsson, acting the levels APG, APZ and APT. • Experience in Signaling (MAP, ISUP, INAP), and experience in protocols analyzer Tekelc (IAS and Sentinel).

International Roaming Expert at Tim - Engineer

• 2006 - 2008