Asif Ahmed

-Server administration and maintenance for large scale Linux servers of global or local IT/Telecom Operators(Telenor). -Realized Major incident management of Linux servers & delivery service by Ensuring SLA/KPI. -System administration and operation for Linux servers to ensure high availability of services to the customers.

-Managed and administered Windows/Linux/Cisco/VMware systems. -Installed and configured secured environments, VPN Internet connectivity of virtualized server environment and clients. -Monitored LAN/WAN network environment including routers, switches, firewalls, Internet access etc. -Coordinated with IT stakeholders, vendors & suppliers to achieve business or company goal.

-Provided technical expertise for IT network design, implementation, optimization and upgrade. -Responsible to install, maintain & troubleshoot of Telrad/Alverion WiMAX core network nodes like NAU/DAU, NPU, ODU & AAA server. -Maintenance of core network IP connectivity with Cisco Router, switches, firewall, Mikrotik bandwidth manager. -Managed advance level linux server firewall by IPtables, firewalld and SElinux. -Guided transmission team about VSAT, point to point radio transmission/back-haul.

-Responsible of Teleport & AMDOCS Billing software integration/provision between billing & different core nodes. -Responsible for the administration, configuration & maintenance of IT-Billing network elements. -Install, maintain &troubleshoot Linux or Windows platform servers of IT-Billing infrastructure. -Responsible for VAS systems design, development & execution like bonus packages, email/sms notification, payment system, customer portal, CRM etc.

-Designed and manage WiMAX Core Network. -Generated business & system performance reports of all core network nodes. -Configured, maintained & troubleshoot Linux/Unix based nodes of Wimax core network. -Processed automation and data backup system for the CSN nodes & databases by script or software.

-Configure and administer Linux/Windows servers of ISP. -Planning the Fiber and DSL network for the connectivity with the clients. -Constant monitoring & maintenance of ISP core network traffic & performance by NMS. -Research & technical support for various device.

Computer Science