Marcelo Carvalho

Experience

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  NESIC DO BRASIL

  Jul 2000 - Aug 2004

  Telecommunication Technician

  • Deployment of GSM for Siemens network CLARO, involved in site survey, installation of entire system of radiant BTS's.• Tests VSWR, Return Loss and Distance to Fault.• Installation, testing, maintenance and activation in mini BTS and BTS Amazon NEC, NEC Xing BTS.• Optimization of the radiant system operator VIVO.• Test Drive for operator VIVO.• Installation, alignment, maintenance and programming of Radio ERICSON, Pasolink NEC, JCR 1.5ghz NEC, Nokia and Alcatel.

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  Embratel

  Feb 2006 - Feb 2009

  Technical Coordinator

  • Technician coordinator for activation of E1’s circuits EMBRATEL customers.• Surveys, testing and activation of voice and data circuits to corporate customers EMBRATEL.• Deployment of the Internet System to Formula 1 Brazil GP.• Knowledge in testing and configuration of CISCO routers and network Newbridge E1.• Knowledge in different types of access: radio, ADE, fiber optic, satellite.• Handling equipment in PFA-35, Anritsu analyzer, WORK STATION.• Modem Setup on DT's 2048 SHDSL, DT Slim 34, 2048 SHDSL Power, among others.• Inspection and correction of design. Show less

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  Huawei

  Aug 2011 - May 2015

  Wireless Engineer

  • Commissioning and Integration of sites GSM, WCDMA and LTE for operators Tim,Claro, VIVO and Oi.• Coordinator of activations and Handover Logical sites GSM and WCDMA in the project Oi throughout Brazil.• Troubleshooting in equipment 2G, 3G e 4G - BTS, NodeB, BSC e RNC Huawei.• Tests voice calls, video, data and analysis of traces generated in the BSC and RNC.• Software upgrade, BBU swap, re -homing of sites in new RNC's, network optimization.• Expansion of new carriers, TRX's and expansion in ATM transmission.• Network management through M2000 system.• Commissioning of BSC and RNC Huawei, Hardware Expansion;• Capacity expansion (HW/SW) of some NEs; • Troubleshooting at RNC related to NodeB failures; • Troubleshooting of transmission (ATM and IP mode); • Network monitoring and Analysis of Quality KPIs (RNC / NodeB Statistics) by M2000; • Execution of software upgrade (RNC and NodeB); • Support to the partner and the customer in case of SW/HW faults in RNC and NodeB; • Technical support on field; Logical equipment acceptance.• Equipment installations in Datacenter environment. Show less

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  MSI Americas

  Jan 2017 - Apr 2017

  Field Manager

  Supervisor and field technical support in the implementation of the 3G and 4G Ericsson system for Vivo and Claro operators. Control of all teams and field activities.

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  Huawei

  Apr 2017 - Jul 2018

  RAN Engineer

  Especialist Huawei equippments GSM, 3G and LTE.

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  Ericsson

  Jul 2018 - Jun 2019

  Senior Integration Engineer

  • 2G, 3G and LTE Ericsson mobile network deployment projects for Claro, TIM and Vivo operators.• Integration of GSM, 3G and 4G Ericsson DU and BaseBand equipment sites. Swap vendor Nokia / Ericsson.• Focal point between the project and the integration team, coordinating all activities daily. (SPOC)• Technical support for field teams.

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  Huawei Nederland

  Oct 2019 - Mar 2020

  RAN Engineer

  • Integration and support of new sites 2G, 3G and LTE - BTS3900/BTS5900. Tests of VSWR.• Remote Integration Co-MPT. (GUL)• Knowledge Huawei Wireless products and installation: Cabinet, RRU, RFU, BBU 3900, BBU 5900 and boards configuration. (UMPT, UBBP)• Scripts by CME on line and troubleshooting.• Management U2000 and U2020.

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  Huawei Brasil

  Aug 2020 - Feb 2022

  RAN / Wireless Specialist

  Wireless Specialist Huawei 2G 3G 4G and 5G.Site integration and Troubleshooting eNodeB, gNodeB, RNC and BSC.U2020/MAE Huawei

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  RemOpt

  Mar 2022 - Jul 2023

  Radio Access Network Engineer

  Swapping for sites 3G in different RNC vendors Huawei and Nokia.Optimization of network and KPI.Management of KPI´s before and day after vendor Huawei and Nokia.Troubleshooting 2G 3G 4G and Remote Integration (GULN).Creating scripts from NodeB and RNC .Management U2020 Huawei and NETACT Nokia .Weekly meeting to present the results to the client.

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  Tech Mahindra

  Aug 2023 - now

  RAN / Wireless Engineer