Sohon Him

Experience

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  Se Heng Computer at Phnom Penh

  Sept 2008 - Aug 2012

  Computer Techinician and IT support

  2008-2012: Work as Computer Techinician and IT support (Se Heng Computer) for 4 years as Responsibilities: • Repair Software and Hardware • Set up Boot Flash USB both with windows xp, windows 7• Set up Mac OS, windows xp, windows 7 , windows vista ,• Download software and search new software• Hardware and software installation/solving problem• Support customers and maintenance at on-site• Cabling network cable for Cat5 ,Cat6• Configure Linksys router for customer• Installation printer, scanner• Install and configure File Server• Pick up phone call from Customer and solve the problem • Install Antiviruses ,back data and Clone windows, Show less

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  Raksmey Punloeu Computer

  Oct 2009 - Mar 2010

  Computer Teacher

  2009-2010: Training Volunteer at Raksmey Punloeu Computer Center for 6 months• Training Course of Computer • Microsoft word & Excel , power point , Access 2010 • Adobe Photoshop CS5, Adobe Photoshop flash CS5,• Repairing Computer software and Hardware • Teaching how to set up windows (Windows XP , windows 7 , windows vista, Boot USB Flash for windows 7, XP ) • Teaching how to set up software for computer • Teaching how to check Antivirus in Computer and Install Software Antivirus for Protect system computer • HTML ,CSS Show less

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  ANANA Computer Co., Ltd.

  Jul 2012 - Aug 2013

  Software Technician

  14-07-2012-2013 Present: Working as Software Technician (ANANA Computer) Responsibilities:• Repair Computer and Check all problem for Customer • Installed and configured AD, DNS, DHCP on Windows Server 2003,2008 Additional Domain Controller for backup domain• Set up switch and network cable connection for server room and others location• Set up and configured Active Directory and Additional Domain Controller on Windows Server 2003, Windows Server 2008• Set up and configured DNS Server, DHCP server, File Server, Print Server, and others role on domain controllers.• Set up and configured Raid Server • Set up computer for users• Testing all connection and each permission• Set up Boot Flash USB both with windows xp, windows 7• Reset Password Customer Login when it has problem• Install and configure File Server• Cabling network cable for Cat5 ,Cat6 and Camera • Pick up phone call from Customer and solve the problem • Make team for repaired and maintenance • Update server management and group policy• Installations software and Hardware• Backup & Restore database and application• Monitor Antivirus daily update and scan• Solve daily problem with user in Software and Hardware• Modification maintenance and repair of IT hardware and software• Installations software and repair PC• Install and maintain Computers and software, anti-virus, network configuration.• Diagnose, troubleshoot and resolve various technical issues. Show less

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  Air Connect Engineering (Cambodia/Thailand) Co.LtD.,

  Aug 2013 - Oct 2019

  WORK EXPERIENCES:01-Aug-2013-2018-15-Octo-2019: Working as Drive Test Analyst (Air Connect Engineer) Responsibilities:•ZTE and Huawei Technologies (Cambodia) CO., LTD.• 2G SSV and Cluster Acceptance Report.• 3G SSV and Cluster Acceptance Report.• 4G SSV and Cluster Acceptance Report.• Cellcard ComplainerNov-01 -2018 : ZTE and Huawei Technologies (Thailand) • Drive Test Analyst (3G UMTS 4G LTE RF Engineer).• Drive Test Engineer (GSM, 3G UMTS 4G LTE RF Engineer).• Concept of GSM, GPRS, UMTS, LTE, RF and parameter optimization.• Drive test 3G technology WCDMA with ZTE, Huawei equipment and PCTel Scanner.• 3G SSV, Cluster tuning, Small site (2T4R) using Program Tems_investigation_13.0.1 Troubleshoot the problem sites during Drive Test.• Coverage, Stationary test SSV, PAT and Walk test in Building• 4G (LTE) SSV and acceptance use program Nemo Outdoor 7.1.0.9• 3G SSV ProgramTems_investigation_13.0.1 and Nemo Outdoor Nemo_Outdoor_6.00.7.• Summary result per acceptance and CVT for KPI by Nemo Analyze for 3G project. Show less ZTE: AIS 3G2100Drive Test / Optimize• TEMS, Nemo Analyze, MapInfo, Actix, Microsoft Office,• Make SSV Report• Can use Actix for Calculate KPI• Test ID9: FATo VOS, LOS and Scanner• Drive Cluster (SHDPA and HSUPA) focuses on thoughput Data• BencharMark Test 3G with multi operatorso Compare KPI with each operatoro Test on voice, data and signal on scannerHuawei Technologies: True Move 3G2100, LTE 2100Drive Test / Use Nemo Outdoor 7.1.0.9• Test Coverage• Stationary Test CVT Ph.1 , Ph2.2• Drive Test CVT• UMTS Phase2(Cluster Scenario)• UMTS Phase2(Isolated Site Scenario)• Drive Test Acceptance • Test Case SSO Ph.1• DT Cluster LTE• Configure Scanner In Nemo Nov-07-08 -2015: HUAWEI TECHNOLOGIES CO., LTD.: AIS DTAC TRUE MOVE 3G2100, LTE2100&VOLTE• LTE Introduction & Air Interface• LTE Physical Channel and Basic Call Flow• LTE Idle Mode Behavior, Handover and ANR Feature. (GUL Inter-working)• LTE CS Fallback (CSFB) FeatureLTE Carrier Aggregation (CA),Voice over LTE(VoLTE) Feature.• LTE Cell Planning• LTE RF Optimization Concept• LTE Drive Test - NEMO Tools Demo and Test Cases.• LTE Drive Test Analysis and Case Study.(Example cases, common issues and solutions).ZTE: AIS 3G2100• OMC parameter change (UMTS and LTE parameter).• Responsible for all OMC parameter change and supervise by Bird.• Responsible for all OMC parameter change Azimuth& M-tilt report.• Responsible for manage plan for Rigger Show less

  • RF Optimize at Air Connect Engineering (Cambodai/Thailand)

    Aug 2013 - Oct 2019

  • Drive Test Analyst (Air Connect Engineer) Responsibilities:

    Aug 2013 - Oct 2019
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  Chip Mong Group

  Oct 2019 - now

  Working as Sr. Officer, IT Systems and Server at( Chip Mong Group Co.,Ltd ) Responsibilities:-Ability to work with a team and provide technical recommendation in the design, deployment, and support of system infrastructure.-Perform server administration tasks, including managing Office 365 Mail.-server, AD (user/group administration, security permissions, GPO), FTP Server, research event log warnings and errors, and resource monitoring, ensuring system architecture components work together seamlessly and working on VMware ESXi, vCenter, SAN &NAS Storage, Cloud base(AWS, Azure, GoDaddy). etc.-Work with IT Security to do the routine maintenance of server production environment such as patching or mitigation.-Monitoring onto Server production system, hardware, hypervisors, and application.-Provide documentation and technical specifications to IT staff for planning and implementing new or upgrades of IT infrastructure system.-Provide capacity planning and acquisition of production resources to ensure that their availability to meet business grow.-Participate solving all incidents to ensure production issues are resolved in a timely manner; root cause analysis is complete & communicated and change request to prevent of reoccurring issues.-Perform regular backup and propose the proactive processes for data protection, disaster recovery, and failover procedures.-Maintain IT System documents to be up to date.-Propose any improvement on production systems and servers which are not inadequate controls in place.-Ensure Security & HIGH Availability of IT Production Systems in place.-Work closely with IT Security to mitigate the finding after security vulnerability scanned.-Able to make decisions related to IT system production on Incidents & Issues as proactive proposal.-Make decision related to deliverables quality of production system.-Work out and execute task with IT Security in term of security enhancement on production system. Show less Working as Officer, IT Systems and Server at( Chip Mong Group Co.,Ltd ) Responsibilities:-Monitoring closely to IT production systems by monitoring tool and keep alerting.-Check and monitor batch job from production system as daily and weekly basis.-Involve to Installing, configuring and maintain servers, storage and networks.-Manage and control AD,AD Connector ,Office 365 ,Mail flow and control all DNS & Domain.-Work with IT Security to do vulnerability assessment and migration , do security patch management all server production systems-Overseeing system performance and troubleshooting issues.-Monitoring on daily batch-job of TOPOS, GOLD and SAP and e-commerce partner (NHAM24,GRAB,MUUVE&FOODPANDA).-Check office 365 healthy, AD replication, DHCP , DNS, AD connector synchronisation from local AD to office 365 Cloud base.-Monitoring user high risk on Azure AD Office 365 and work with IT Customer service to fix those alerts.-Check physical Hardware alert through ILO/idrac management console.-Manage and control license Microsoft office 365 and apply license for users all BU. Show less

  • Senior Officer, IT System and Server

    Jul 2022 - now

  • Officer, IT Systems and Server

    Oct 2019 - Jun 2022