Managed and supported IT infrastructure, including hardware, software, and network systems for over 1000 users. Administered and maintained servers (Active Directory and WSUS), email domains, and network devices (Mikrotik, Sophos,Unifi, CCTV). Provided troubleshooting and technical support for hardware, software, and network issues. Ensured system security, optimized network performance, and monitored infrastructure uptime. Collaborated with vendors and cross-functional teams to meet user needs and IT requirements. Responded to service tickets promptly and resolved issues within defined SLAs. Supported new user onboarding, account setup, and security configuration.

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Monitoring Complaint Ticket of Telkomsel Customer abaout Telkomsel Product such as Blackberry, Skype, Coverage signaling, Cross Conection Calling, Flash Product, Corporate (EDC, Mobile Tracking, ATM over GPRS) and VIP Complaint from Call Center Team Handling and analysis customer complaint of telecommunication provider product, such as blackberry, skype, Video Call, 2G, 3G, 4G, Corporate or VIP Customer Complaint, Cross Connection of Outgoing and Incoming Call, Drop Call, CONOVO (Connect No Voice) and COLOVO (Connect Lost Voice) of Outgoing and Incoming Call SMS, and Coverage of Signaling Tracing Traffic of Customer MSISDN with Traffica, and anlaysing Dx Cause and Cause Problem of CS (Circuit Switch) and PS (Packet Switch) Generating reports and analyzing data on customer-reported network performance Analyzing and assigning the reporting Ticket to related team Providing technical support and project management for wireless systems (2G,3G and 4G)

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