Configuration and troubleshooting of Windows server. ⌂ Configuration and troubleshooting of network device based on Cisco in LAN and WAN environment. Especially Voice unit. ⌂ Support customer requests the were defined in team scope of work, following service level agreement. ⌂ Responsible in own case, follow up status and keep tracking until the incident was closed. ⌂ Control, escalate, and follow up customer cases in order to comply with customer's Service Level Agreement.