• Developing and implementing the IT strategy to support Fair Group's mission and vision. • Planning, establishing & maintaining sustainable IT infrastructure to support the organization`s growth. • Researching and recommending possible necessary automated approaches for IT operational tasks.• Maintaining the DevOps methodology for the software development team. • Maintaining IT Asset Management (Hardware and Software) of the organization.• Configuring and Management server virtualization (KVM, ESXI, Docker)• Implementing and management of network servers such as Database server (MySQL, MariaDB), Mail, DNS, Proxy, NAT, Own cloud, Web Server (Apache), File, DHCP, Print, FTP, VPN using various distribution of Linux.• Windows server administration (Clustering, Web server, Database, Active Directory, Hyper-V, File Server, DNS, DHCP, FTP)• Implementing and maintaining services using routing & switching methods (BGP, OSPF, VRRP, HSRP, VTP, VLAN, STP, and Trunk).• Configuring & installing Router (Cisco, Mikrotik), Switch (Cisco, Linksys), Firewall & Bandwidth Manager.• Ensuring high availability of IT infrastructure for smooth operation.• Monitoring the system through monitoring tools and log server steps in case of any alert or fault. • Configuring and Management of Cloud base services (AWS, BlueHost)• Implementing & upgrading organization IT Infrastructure consisting of LAN, WAN, and Wi-Fi networks.• Ensuring IT security of the organization, identifying security vulnerabilities to enhance IT security.• Maintaining IT disaster recovery management-Data recovery, data backup, virtual servers and physical servers, and backup of network resources.• Establishing Business Continuity Plan (BCP) for the organization in case of disaster.• Configuring IP Telephony System, DVR, IP Camera, CCTV Camera, Attendance Devices & Access Control.

Key Achievements: • Ensured 99.97% network availability for 1000 customer and other 100 companies.• Implemented Layer-3 network in existing optical fiber transmission network all over Bangladesh. • Introduced KVM virtualization to reduce cost on Physical servers.• Implemented a central monitoring system to ensure lower mean time to repair network faults (MTTR).• Reduced 36% server cost and installation cost.• Configured Complemented (Storage Device) at Bangladesh Bura of statistics and NRB Commercial Bank.• Configured Dell Equal logic (storage Device) with Blade Server in Linux & Windows environment at BRAC Center and Standard Bank.• Configured Mail, Proxy, Web and Antivirus Server with WAN connectivity using Cisco router, VLAN and site-to-site VPN with their 14 remote zones with redundant connectivity for WASA Project.• Configured WAN connectivity using CISCO Router and ASA firewall with their branches all over Bangladesh for ICB (Islamic Commercial Bank) Project.• Configured Mail, Proxy and DNS Server with Cisco router, Cisco ASA (Hardware Firewall) and Antivirus Server and here I also configured LAN, which consists of 200 nodes with WAN connectivity for Ministry of Establishment Project.• Configured Mail, Proxy and File Server, Cisco router, Cisco PIX (Hardware Firewall) and Antivirus Server with SCM server for Bangladesh Cabinet Division Project.• Awarded Champion of the month in customer support and services division in August 2012• Executed 64 district DC offices, 06 divisional commissioner offices, 34 LAN connections, server for every district DC office connected with Prime Minister Office and storage device.

• Developed ISP network from Mymensingh Krishi University proxy server implementation and Dhaka head office to exchange medical information.• Established Wi-Fi network for the first time with setup of new ISP network managed and Configuration.• Implemented DNS, DHCP, PROXY, MAIL, and SYSLOG Servers in Linux & UNIX Platform servers for ISP operation from Mymensingh Krishi University.

Key Achievements: • Provided technical support to 72 corporate offices and 2100 end-user households to ensure smooth internet connection.• Implemented automated redundant fiber network (Ring Network) in Dhaka City using Cisco Switch.• Implemented 08 caching servers for minimizing upstream bandwidth utilization cost.• Configured & maintained DNS, Proxy (SQUID), DHCP, Web (Apache), Sendmail, MRTG, MySql servers.• Configured BGP, OSPF, and VPN in Cisco & Mikrotik Router.