> Administration, Operation, Maintenance & Troubleshooting of Enterprise Datacenter Network for 3 Telenor Telco Business Units-Grameenphone (Bangladesh), DiGi(Malaysia),DTAC (Thailand) & Telenor Global Shared Service ( GSS) Datacenter.> WAN, LAN & WLAN network administration for total 17000 no. of enterprise users for 4 Telenor Telco organization’s in ASIA > Operation, Administration & Maintenance of Telenor Asia Global Shared Services (GSS) Datacenter, Malaysia ( Central Enterprise Datacenter of Telenor ASIA)> Day to Day operation & administration on advanced network technologies ( Cisco Nexus7K,5K,F5 Load Balancer’s, Bluecoat Packet Shaper, Catalyst 65xx, ASA Firewall,72xx,37xx, Cisco wireless controller 55xx & Prime Infrastructure, DHCP, Cisco ACS 5.x)> Network Infrastructure Critical Incident handling & troubleshooting on time.

Projects:• BANGLADESH BUREAU OF STATISTICS PROJECT: Network equipment, server and storage supply and installation. Deployed network devices was Juniper SRX100 router, Juniper layer-3 switch, Mikrotik router, Dell access switch and two WAP4400N AP. • ARMY HQ LAN PROJECT: Here we deployed Cisco firewall - ASA5585-SSP60 with IPS as server firewall, ASA5585-SSP10 as WAN firewall, 10 ASA5515 with IPS as formation firewall, Cisco ASR1002 STM router as WAN router, Cisco 6509E and 4503E as core Switch, 4 Cisco 3560 as distribution switch and 2 Juniper SSG350M firewall as DMZ firewall. Total solution designed with full redundancy and combination of static and dynamic routing(OSPF & RIP).

Network planning, design, research, development and implementation.* Planning and configuring Motorola Canopy and other indoor wireless equipment for LAN/WAN connectivity.* Configure, install, maintain and support Cisco routers(800, 1700, 2600, 2800 series), Switches (cat- 2950, 2960, 3750, SF300, etc.), Juniper firewall(SSG350, SSG20, SSG50, SSG5), netscreen firewall, Nortel 4526t, etc.* Deploy router for new branches, maintain and support for Bank Asia network.Projects:* BANGLADESH ARMY WAN PROJECT: Comilla, Chittagong, Jessore and Khulna Cantonment site survey, network planning and implementing. We deployed one cisco 2821 router, one cisco catalyst 3750 multi-layer switch and 27 to 35 cisco small business 300 series switches per cantonment. It configured with VLAN per units and OSPF routing protocol.* RANGPUR CANTONMENT NETWORK IMPLEMENTATION: One cisco 2821 router(for Army WAN data connectivity), one cisco 2811 router(for Internet bandwidth), one cisco catalyst 3750 multi-layer switch, one mikrotik server(for bandwidth manage), two 3COM 24 ports manageable switches and 24 netgear non-manageable switches are deployed in that network.* FARR CERAMICS NETWORK IMPLEMENTATION: Here we provided Microsoft SBS solution(Active directory service, mail service, file server, DHCP service, DNS service - in one package) for 65 users. Deployed network with one netscreen firewall, 3 cisco small business 300 series switches and one radio link(HQ to Factory data connectivity) and provided internet bandwidth withredundant link.* SMI TRAINING ROOM NETWORK: Security Military Intelligence(SMI) training room network planning and setup with various security policies.* RADIO LINK: I did some Radio links for several clients like Abul Khair Group, Standard group, Niagara Textile, Rangpur Cantonment which link distance was 5 to 27 km. Devices which I used was Motorola canopy 5400BH, 5700BH and memorylink.

Coordinate On-location support Engineer, Corporate support and troubleshooting, analysis and submit monthly report and escalation to respective departments, Crystal reports update etc.