Network Administrator
TBN BD LTD
Total years of experience :10 years, 4 Months
● Network and System infrastructure design and development.
● Configuring & Troubleshooting internet routing and switching e.g., BGP, OSPF, STP, RSTP, etc.
● Maintaining & Upgrading Active Director, DNS, File Server, GPO, etc.
● Analyzing network performance (availability, utilization, throughput, goodput, and latency) and perusing for vulneraries.
● Configure and Monitor VPNs (IPsec, GRE, IPIP, PPTP, L2TP)
● Perform or delegate regular backup operations and implement appropriate processes for data protection, disaster recovery, and failover procedures
Responsible for configuration & maintenance of Internet routing using BGP to control and load balance of internet traffic to multiple upstream providers in the multi-homing environment by controlling BGP attributes (Next_Hop, Local_Pref, AS Path, weight), prefix-list, filter-list, route-map and policy-based routing (PBR), etc.
• Configure, install & maintain core, distribution & access network. Planning & allocation of IP addresses for different areas of service nodes and network devices to ensure reach-ability and End to End connectivity on a regular.
• Managing IGP routing protocols, PBR, bandwidth management, switching technologies like VLAN, Ether channel STP/RSTP/MSTP, VRRP/HSRP/GLBP, and Port security.
• Configure and Maintain network servers like Mail, Active Directory, DNS, Proxy,
• Managing and monitoring all installed systems and Network infrastructure Linux & Windows
• Ensuring the highest levels of systems and infrastructure availability. Configure and install various Servers (e.g. DNS, Active Directory, DHCP, Mail Server Firewalls, etc.). Virtualization on VMware.
• Configure and install various network devices e.g. Routers, Switches, and Firewalls.
• Network Administration, including building, maintaining, and improving all aspects of infrastructure - WAN/LAN, servers, VPN, and Internet access, as well as e-mail, security, data integrity, and virus protection maintenance for all system
• Monitoring DNS, Mail, Proxy with Caching, Web, FTP, and MRTG Servers Monitoring performance and ensuring systems availability and reliability.
• Installing, Configuring & Manage Linux (Apache, Nginx, MySQL, DNS), CentOS, and ubuntu
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