Highly capable and competent telecom professional with good analytical skills and knowledge of relevant standards, processes and BSS (Business Support System).Responsibilities include:• Billing Customer Services.• Billing System Support and Development.• Database administration experience of billing system.• Experience of Using ZTE ZSmart cvBS (Convergent Billing System).• Requirements gathering & analysis.• Responsibility for recharging and payment runs.• Control and monitoring of the systems and interfaces.• Processing of trouble tickets.• Billing, Rating, Web application, Online modules and Customer care system.• SQL queries writing.• Provide technical support and guidance to staff and clients.• Ensuring the customer invoices accuracy.• Implement solutions and immediate workarounds for incidents that arise in the system.•Experience of Administrating Various Linux O.S Distribution (e.g Red Hat, Ubuntu, Fedora).Additional Skills:-Excellent knowledge of IN (Intelligent Network).-Excellent knowledge of Oracle Database 11g Administrator.-Excellent knowledge of SQL Quires.-Install and Configuration Voice Over IP (VoIP) Environment – FreePBX like Asterisk, Elastix…etc.-Install and Configuration FreeNAS Storage Operating System.-Wide Knowledge of Virtual Machines Ware (VMware, ESXi, vSphere).-Knowledge of Sun Solaris (Installation, Management Hard Disk Partitions, Configuration Network).-Deep Knowledge of Overall Networking Technologies.-Configuration all Cisco Routers and Switches.-Knowledge on MPLS Technology.-Programming Static and Dynamic Web Sites - (HTML,PHP,Javascript Languages).-M-Files, Professional Document Management System.-Experience of Using Oracle Open Office, Microsoft Office.-Capable of solving complex problems and work in high pressure situations.-Ability to Write Reports and Build Presentation.-Ability to Draw Conclusions and Handle Complex Tasks Self-sufficiently.-Very Good Team Player.

During this time I was responsible for:• Maintenance Fujitsu servers and PC's, and giving customers support after sailing services like how to install and configure.• Network designing and implementation.