Rowel Miranda

Handled network and server machines, including Foredge and SuperMicro, conducting diagnostics for these devices. Performed IT administration tasks such as checking Active Directory server and Firewall, and managed Google Workspace System.

Managed Zabbix/Grafana servers, designing network monitoring solutions via Linux CentOS on VMware. Created alert bots with API integrations for Telegram, Skype, and Mango App, and managed network policies using Sangfor and Cisco ASA.

Managed client infrastructure networks remotely using Huawei’s NMS (iManager U2000). Provided expert consultation on network operations and performance.

Provided support for internal departments regarding Wireless and Wireline technology, including creating and organizing network activities and topologies. Managed large datasets related to network statistics using Tableau.

Provided L1-L3 support for the NOC Wireline Department, managing CISCO ASA, Juniper, and Fortinet equipment. Monitored the main network using NMS tools such as Solarwinds, PRTG, and U2000.

Provided support for enterprise accounts focusing on Wired and Wireless technology. Handled escalations and interventions with other technical partners to resolve complex network issues.

Maintained Data Center Operations for a project with Manila Water Company, Inc., ensuring adherence to ISO policies and guidelines. Managed SAP Business Intelligence for payment collection and user data modification.

Created and maintained game servers for smartphone online games, providing internal and offshore support. Monitored all servers using NAGIOS and CACTI, and prepared KPI reports for game status surveillance.

Operated IBM servers and systems, including AIX 6, OS400, and Tivoli Storage Manager, for the Storage and Back-up System Enhancement Project. Integrated hardware and software, migrated data, and managed tape inventory using barcode and RFID technology.

Operated IBM Power Systems eServers (iSeries and pSeries), monitoring systems for failures and responding to program errors. Performed data restoration, archiving, retrieval, and backup using IBM operating systems and Tivoli Storage Manager.

Studied core concepts of information technology, including programming, database management, and network administration. Gained practical skills in system analysis and design, preparing for a career in IT.