Dealt with Account Managers' and customers' warranty repair work, processed RMA return material authorization approval, set-up new contracts for a new clients. Handled customers technical complaint/support, process development and improvement, Travel to Customer's Site, ATM machine repair re-configure, updates, migration, security parameters and also Uses Retina, Kaspersky, A-Square, Monitor using Main Configuration Setting by creating or Editing first, set-up POS (Point of Sale) in Cinema, Store configuring units, troubleshooting, installed. Infrastructure Communication Equipments (CPE), MPLS, XDSL, T1&T3, POTS, Network using Sunset SDH/MTT, T-Berd, and Alcatel, NEC system DSX-40, MITEL SX2000, QX-S3126T, Troubleshoot Blackberry and Motorola Bluetooth application such as messaging, video & web media, V-SAT Satellite Hughes Network System Dish Network, Pegasus V-SAT Satellite, Airtight Network Access Point (AP), Cisco Aironet, Firetide, Network Mesh Access Point (AP) other uses for testing ADSL/ADSL2+, STM-1/4 optical, ITU mapping multiplexer section, and high and low order path overhead to monitor and test the SDH network. Application software Lotus Notes, Repair Operating System and software from virus, spyware, trojans, bugs, malware, and other parasites. Windows 3.1.1, 95, 98, ME, NT 4.0, Windows 2000, XP, Vista Operating System: Implementing/Configuration Windows Hardware/Software, diagnostic, Testing, Troubleshooting, DELL Computer, IBM, Sony, and Compaq. Automating, Optimizing Windows, Security Access Workstation Users, Performing Systems Recovery, Managing Network Connection, Cabling Network with CAT-3, 4, 5, 6, 7, Fiber Optic, Ethernet HUBS, Trunk Line, Build or Infrastructure Voice & Data, 110 Block Installation, Termination, Splicing, Routing Cables, Cross-Connect, DC Power Installation, Cutover Switch existing lines, Build a New Paneling.