Sefri Purwadi

Team Leader at PT.GCI Indonesia (JIESAI)
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Contact Information
us****@****om
(386) 825-5501
Location
Jakarta, Jakarta, Indonesia, ID

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Experience

    • Telecommunications
    • 300 - 400 Employee
    • Team Leader
      • Aug 2021 - Present

      Huawei Roll Out Telkomsel Project, South Sumatera Huawei Roll Out Telkomsel Project, South Sumatera

    • Radio Network Optimization Engineer
      • Jun 2021 - Aug 2021

    • Telecommunications
    • 300 - 400 Employee
    • Radio Network Optimization Engineer
      • Oct 2019 - May 2021

      Huawei Roll Out- Project of IndosatImproving KPI 2G 4G & Check Daily 2G 4G WPC/WPACheck, Analyze and escalation zero traffic and zero payloadHealthy check of network problem, troubleshooting and escalationSupport Event & customer complaint handlingNeighbor audit & Concheck Golden ParameterCustomer Complaint HandlingCheck Daily WPC/WPAFind and Analyze the root cause worst problem of list New Site SSA & cluster optimizationKPI Monitoring including hourly and dailyDefine Bad Spot Area and Analysis Bad SpotSubmission QC acceptance to Customer

    • Radio Network Optimization Engineer
      • Oct 2018 - Sep 2019

      Local Optim JABO - Project of TELKOMSELMaintain KPI 4G & Check Daily 4G WPC/WPADefine Bad Spot Area and Analysis Bad SpotAssesment and support site category LULR (Low Util Low revenue)Neighbor audit and Site AuditCheck, Analyze and escalation zero traffic and zero payloadHealthy check of network problem, troubleshooting and escalationSupport Event & customer complaint handlingFind and Analyze the root cause worst problem of list cell where include in WPC/WPAKPI Monitoring including hourly and dailyWeekly or Monthly Meeting with customer (SQA & RTPO division of Telkomsel)

    • Indonesia
    • Telecommunications
    • 200 - 300 Employee
    • Radio Network Optimization Engineer
      • Oct 2017 - Oct 2018

      Huawei Roll Out (GUL900 & TDD2300) - Project of TELKOMSELGUL900 & TDD2300 ActivationMaintain KPI & Check Daily WPC/WPADefine Bad Spot Area and Analysis Bad SpotCustomer Complaint HandlingNeighbor audit and Site Audit Healthy check of network problem, troubleshooting and escalationFind and Analyze the root cause worst problem of list cell where include in WPC/WPAKPI Monitoring including hourly and dailySubmission QC acceptance to Customer Huawei Roll Out (GUL900 & TDD2300) - Project of TELKOMSELGUL900 & TDD2300 ActivationMaintain KPI & Check Daily WPC/WPADefine Bad Spot Area and Analysis Bad SpotCustomer Complaint HandlingNeighbor audit and Site Audit Healthy check of network problem, troubleshooting and escalationFind and Analyze the root cause worst problem of list cell where include in WPC/WPAKPI Monitoring including hourly and dailySubmission QC acceptance to Customer

    • Radio Network Optimization Engineer
      • Dec 2015 - Sep 2017

      Local Optim JABO - Project of TELKOMSELCustomer Complaint (2G/3G)Accept and confirm customer complaintDefine Bad Spot Area and Analysis Bad SpotNeighbor audit and Site Audit (2G/3G)Healthy check of network problem, troubleshooting and escalationCheck Daily 2G WPC/WPAFind and Analyze the root cause worst problem of list cell where include in WPC/WPAHealthy Check of network problem, troubleshooting and escalationKPI Monitoring including hourly and dailyAdjust parameter for improving the worst cellCreate CR parameter changing to meet the KPIResponsible to optimize 2G new sitesAudit Neighbour for 2G/3G new and existing sitesKPI Monitoring including Hourly and Daily

    • Telecommunications
    • 300 - 400 Employee
    • Radio Network Optimization Engineer
      • Sep 2014 - Nov 2015

      Huawei NPI - Project of Indosat Ooredoo (BALI)ZTE Rollout - Project of Smartfren Telecom (JABODETABEK)Key Performance Indicator (KPI) improvement 2G : Accesibility, Retainability & Integrity. CR Preparation Collect Statistisc from U2000 for analysis Consistensy Check Parameter 2G Drive Test Log File Analysis & give recommendation to improve network Hardware & Transmission problem escalation which impact to KPI Site audit & Physical tuning like Tilting & Redirection Antenna Capacity monitoring analysis

    • Telecommunications
    • 1 - 100 Employee
    • Radio Network Optimization Engineer
      • Sep 2013 - Sep 2014

      Huawei NPI - Projexct of XL AxiataKPI Monitoring and Worst Cells OptimizationNeighbor Audit and OptimizationAnalysis RF parameter and give suggestion to improve performance of 2G cell performanceAlarm monitoring and analysis also hardware issue handlingGive recommendation to improve performance based on KPIGenerate KPI improvement and problem analyzing report weeklyParameters Configuration for Coverage OptimizationParamater standard audit and parameter discrepancy Neighbor OptimizationPerform support for the customer complaint related to Radio Network OptimizationAchieve and maintain the radio network performance as per the contracted KPIs

Education

  • State Polytechnic of Jakarta (PNJ)
    Diploma Degree, Teknik Telekomunikasi
    2009 - 2012

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