Network Administrator
Tata Consultancy Services
Total years of experience :18 years, 2 Months
Tata Consultancy Services:
Chennai
Period: Sep 2011 - Till date
Client: IKEA Stores
The client is based on Sweden and consists of large network with over 800 Routers and
2000 switches. The client is having more than 500 branches across Global.
Roles & Responsibilities:
• To provide Network support to IKEA Stores all over the world.
• Hands on Experience on the following Cisco routers - 2851, 3640, 3660, 7206, 7513
• Hands on Experience on the following Cisco switches -3750, Cat 5000, 3750 and 2955
• Design and implementation of Load Balancing and Fail¬over for High Availability solutions.
• Hands on Experience on the following Cisco ASA - 5510, 5520
• Performing analysis of network security needs and contributes to design, integration, and installation of hardware and software.
• Analyzing, troubleshooting and correcting network problems remotely and on-site.
• Maintaining and administering perimeter security systems such as firewalls and intrusion detection systems.
• Proficient in the domain of Network Security, Administration and Troubleshooting.
• Configuring EIGRP, site-to-site VPN tunnels and troubleshooting the WAN related issues.
• Management appliances for network security.
• Implementing of VPN Connectivity establishment between Head Office to Branch Office.
• Implementing of Site¬to¬Site VPN connectivity establishment of Fail¬over.
• Hands on Experience on the following Cisco Wireless LAN Controllers - 5508, 4000.
• Experience with Cisco Wireless Access Points (such as Aironet), Cisco wireless controllers (such as the 5500 series).
• Experience preparing both onsite and predictive wireless coverage (heat) maps and assessments, using Cisco NCS Server
• Manage deployment and testing of code updates for wireless systems, such as WCS, WiSM, and WLC.
• Responsible for advanced enterprise wireless LAN administration and design, mesh networks.
• Perform problem diagnosis, health audit, and security posture verification for wireless LANs (WLANs);
• Generate documentation in the form of technical notes and WLAN deployment and security best practices;
• Handling the LAN implementation part for new IKEA stores across APAC, U.S & Europe.
• Worked on the upgrades on Cisco Routers during production maintenance windows.
• Experience in designing IP addressing structure, Sub-netting, VLSM
• Troubleshooting Leased and T1 lines
• Implementing firewall rules as per the customer standard
• Capacity planning recommendation report to be sent out to client monthly on the basis of which they would decide upon the Bandwidth up gradation.
• Troubleshooting WAN, LAN and all network performance related problem
• Handling Change requests that lie within the scope of L2&L3.
• Handling Escalations from L2 team.
• Implementing, managing & troubleshooting of VLAN, VTP and port securities
• Designing and updating network diagrams through VISIO.
HCL Technologies Ltd:
Chennai
Period : Sep2008 - July 2011
Clients : SanDisk - US, UTI World wide - US & South Africa
Roles & Responsibilities:
• Troubleshooting WAN, LAN and all network performance related problem
• Troubleshooting of Customer network and managing their datacenter
• Configuration of VLANs, Inter-VLAN Routing, Trunking and ISL.
• Troubleshooting Leased and T1 lines
• Performing analysis of network security needs and contributes to design, integration, and installation of hardware and software.
• Analyzing, troubleshooting and correcting network problems remotely and on-site.
• Implementing of VPN Connectivity establishment between Head Office to Branch Office.
• Generate documentation in the form of technical notes and WLAN deployment and security best practices.
• Detailed, thorough tracking and documentation of work.
• Identifying LAN&WAN faults and getting them resolved. Coordinating with respective ISPs, vendors for any vendor related issues/problems.
• Experience with Cisco Wireless Access Points (such as Aironet), Cisco wireless controllers (such as the 5500 series).
• Manage deployment and testing of code updates for wireless systems, such as WCS, WiSM, and WLC.
• Worked on the upgrades on Cisco Routers during production maintenance windows.
• Experience in designing IP addressing structure, Sub-netting, VLSM.
• Monitor the day-to-day activities of NOC Analysts, and impart training to the new joiners and over- see their professional development.
• Plan and Coordinate the working of all outages among required technical and customer groups
• Implement new NOC procedures as and whenever required, for optimal performance of the operations.
• Basic knowledge on Juniper Network devices
• Checking network traffic whenever a link is highly utilized.
• Maintaining 100 % network availability by using redundancy
• Upgrading of IOS & also Checking of Router Hardware
• Configuring High Availability using HSRP, VRRP and GLBP.
• Troubleshooting network & hardware problems.
• Designing and updating network diagrams through VISIO.
• Presenting Request for Change (RFC) for Change Advisory Board (CAB) approval and implement the change in the environment
HCL Technologies Ltd:
Chennai
Period : June2006 - Dec2007
Clients : British Telecom(BT), UK
Roles & Responsibilities:
• Providing voice technical support
• Attending calls regarding broadband and network issues.
• Supporting for all kinds of broadband issues.
• Maintaining the Systems and LAN network
• Wireless N/w configuration and trouble shooting
• Assisting the user in remote access. Fixing the issue thru remote support.
• Installation and configuration of Broadband phone.
• Installation of software and peripheral devices like Modem, NIC cards etc.
• Raising Vendor calls for defective replacements
SizCom Computers:
Calicut, Kerala
Period : May 2002 - June 2003
Roles & Responsibilities:
• Worked with user creation, rights assignment, mailbox creation, assign permissions and administration.
• Providing the users’ access to servers.
• User profiles and folder redirection.
• User mailbox migration and user rights management.
• Promoting, demoting and member sever administration.
• Configuring DHCP, assigning scopes, super scopes, address reservations and DHCP relay agent.
• Software installation and troubleshooting.
• Installing the HP LAN printer
• Wireless N/w configuration and trouble shooting
• Maintaining the Systems and LAN network consisting of desktop PCs
• Installation & Up gradation of New PC’s.
• Assigning IP’s, proxy, DNS.
• Antivirus management (Symantec).
I was consistent performer during my college days. I have actively participated extra carricular activities like Quiz competition, Football and Badminton.