-Planning and design BRAC Bank network architecture according to management or business decision along with enforcement of network security controls as per the standard guideline and policy-Monitor & Supervise network traffic flow, Check & Analyze suspicious network traffic behavior on IPS/FMC/NBA and take appropriate action to prevent security related incidents.-Site-to-Site IPSEC VPN connectivity configuration & maintenance with Telecom Operators, Banks and with other local & International Partners.-User Remote Access VPN connectivity administration & maintenance using FortiGate 200E, 2 Factor & Certificate based authentication.-Continuous Network & Security Improvement Analysis, Security related risk assessment & Implement necessary security control as per Industry Standard Best Practice.-Monitoring System Management & Reporting for Ensuring smooth Business Operation & faultless client transaction.-Multiple vendor /service provider management for Data & Internet Connectivity ,SLA & Performance Analysis-Capacity & Performance Analysis for network security equipment, take appropriate maintenance activity accordingly.-New network project planning & Implementation through alignment among multiple stakeholders /departments as per business requirement.-Resolve day to day network related incidents / service request tickets from stakeholders /users.-Implement and integrate network equipment for Branch, ATM, DC and DR-Manage and administrate and configure CISCO ASA firewall, IPS, Cisco router, and switch.-Manage and administrate CISCO ISE for tacacs and radius for 802.1q authentication, Bluecoat.-Administrate Cisco Catalyst Switch/Nexus switch (2k,3k,5k,9k) at core layer and Mange’s DMZ and access layer switches.-Centralized Monitoring of datacenter Network resources an links around 200 Branches and 400+ ATMs.-Asses gap analysis (including Technical, Operational, and Economic) for improving network operations.

-Design enterprise core and country wide network infrastructure, implement and configure all network equipment’s consisting of legacy router, switches, firewall, wireless controller, Access Point.-Implemented Cisco 5585 ASA next generation firewall with IPS SSP 20 and administration-Configure TACACS, backup all device, managed hardware inventory-Configure and troubleshoot Access Point Network(APN) as redundant link of distribution channels-Administrator of extranet with partners banks and telecommunication partners including internet provider.-Lead research and development team for installing, configuring, testing, maintaining and administering new and upgrade network topology inclusive hardware and software level-Administer internet bandwidth allocation by ensure secure and controlled access to internet and prepare log report -Team lead for all kinds of network deployment, decision making, capacity up gradation of switch port from 1 g to 10g, network management server & application maintenance and report .

-Researching, analyzing, evaluating and monitoring network infrastructure, Branch/ATM network support and troubleshooting to ensure networks for optimal performances.-Configure Whatsup gold/ solar winds for monitoring network connectivity, traffic and usage to ensure continued integrity and optimal network performance.-Ensure documentation on IT policy, standard process and operational manual, inventory, financial analysis, project budget analysis, cost saving initiatives and time bound service delivery agreement, IT billing.

-Corporate client support (L2,L3,Internet)-Responsible for Network Security Management. -Responsible for Cisco Switch / Catalyst Configuring (i.e. Vlan, STP, Ether Channel).-Creating VPN and Configure VPN Device (Netgear, D-link, Zyxel). -Broadband / wireless Router Configure. -Network Monitoring by Monitoring tools . i.e. Opmanager, Cacti, Nagios, Ipswitch, SNMPc. Centreon.-Responsible for Network Product Analyzing and testing. -Responsible for Network Expansion Planning, Designing, -Research, Development and Implementation.