Sofian Bin Yusuf

Experience

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  Telkom Indonesia

  Oct 2004 - Apr 2005

  IT Engineer

  • Successfully delivering IT network services for Telkom's corporate customers such as Frame relay, VPN-IP, MPLS, VPN delay, LAN, WAN, and access network by remote configuration on router, modem, switch and monitoring from NMS.• IT Network Monitoring and Security from Network Management System (NMS).• Data Analysis getting insight to solve problem• Do remote configuration/troubleshooting for some tools and equipment, such as: modem, switch and cisco router.

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  Siemens

  May 2005 - Oct 2006

  RF Optimization Engineer

  • Successful in closing new sites and clusters optimization of Telkomsel project• Data analysis counter from Batrana, drivetest log, planning database, parameter tuning, coverage assessment, and features activation

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  Nokia Siemens Networks

  Nov 2006 - Aug 2008

  RF Planning and Optimization Engineer

  • Successful in closing new sites and cluster optimization of Telkomsel project, did commissioning and troubleshooting on the field, Planning tools simulation, and Design review meeting with customer.• Data Analysis to get insight for network quality, capacity and coverage improvement

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  SML Technologies

  Sept 2008 - Feb 2009

  RF Planning and Optimization Engineer

  • Successfully delivering Telkomsel cluster optimization (Lampung) by doing Global Frequency Retune using Mentum Planet planning tool, feature activation, coverage assessment and drivetest analysis.• Data analysis and strategic activities for KPI improvement.• Inhouse tool for OSS cli/scripting.

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  Nexwave Technologies

  Mar 2009 - Sept 2009

  RF Optimization Engineer

  • Successful delivery in Cluster Optimization of Indosat project. (BSC owner of Jember Branch) • Data analysis to achieve the target score, Capacity dimensioning and traffic re-engineering for dual-band co-located sites, and support rehoming and reparenting for Core team project.• Successful in closing Telkomsel QC acceptance by doing new site optimization for Telkomsel Project.• Data analysis on measurement, database dump, alarm, drive test logs to get insight for KPI improvement.

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  UCE

  Nov 2009 - Aug 2011

  RF Optimization engineer

  • Successfully closing lots of VIP complaint handling of Telkomsel project.• Data analysis on the counters, reporting alarms, and logfiles from drivetest/walktest using Nemo Outdoor.• Creating VIP experience analysis report by analyzing PCHR (PS/CS IMSI tracing) L3-signaling data using UMAT, PCHR analyzer, Huawei LMT for Call fail/drop/low throughput, and logfile from silence call test using Huawei GENEX Probe.• Regular optimization, reporting, and support for 3G & 2G swap projects.

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  PT AXIS Telekom Indonesia

  Oct 2011 - Mar 2014

  Executive BSC RNC Planning and Optimization

  • Successful in delivering 45 BSC and 21 RNC, Capacity Dimensioning until Integration, including designing, dimensioning and BOQ of transport necessities of Abis, IuB, Aif, Ater, IuCS, Gb, IuPS, IuR interface.• Supporting Transmission modernization from TDM to IP: AoIP, IuPS over IP, Gb over IP, Abis over IP, IuB IP• Successful doing Global Frequency Retune using Schema to increase performance in Java Bali, & Lombok• Successful LTE trial with 5 eNodeB in live network using Band 3, Femto trial.• Successful in feature implementation of UMTS Dual Carrier, HSPA+, DC-HSDPA, One Tunnel, SGSN Pool, MSS Pool, MGW Pool, Wideband AMR/HD Voice for 2G and 3G, LTE 4G, and the features included.• Data analytics for Daily monitoring and management service operations such as XPU/SPU and DPU rebalancing, KPI Performance and traffic analysis, Dimensioning of LAC/RAC, GPRS/EDGE, Abis & IuB interface. To initiate CR related to the BSS/RAN project, expansion, and optimization.• Do Acceptance test/ATP with the vendor Show less

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  PT Kencana Mandiri Sejahtera Telecom

  Mar 2014 - Dec 2014

  NPO Team Leader

  • Acting as PM• Successful in delivering Indosat MBS modernization site, implementation for the existing site and new site for 27 Clusters (304 sites) in Palembang and Lampung for Indosat project• Managing the resource (NPO team, OSS team, drive-test team, rigger team) for Network Performance activity and ensure the quality of work. Supporting Customer and VIP Complaints.• Responsibility of of scheduling, tracking and reporting of progress to management.• Actively work closely with all relevant parties to resolve issue to mitigate the impact to the implementation.• Supporting Refarming and GFR to implement UMTS 900 site. Show less

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  Nokia

  Jan 2015 - Oct 2023

  FSG & One-WIifi Australia FSG & One-WIifi Australia (Jul23-Now) : NPO 4G & 5G RolloutXL (Mar23-Jun23): NPI SMETPG Telecom Australia (Apr22-Feb23): NPO EMEAntina Singapore (Dec21-Jan22): NPO 5G RolloutH3I (Oct18 - Nov21): NPO RolloutSmartfren (Jul18 - Mar20): NPO RolloutTelkomsel (Jan18 - Jul18): NPO Rollout & TrueconnexVNPT Vietnam (Sep17 - Dec17): NPO RolloutSmartfren (Jan15 - Aug17): NPO Team Leader

  • NPO 4G & 5G Rollout

    Jul 2023 - Oct 2023

  • Senior NPO Engineer

    Jan 2015 - Jun 2023