Experience Summary:

• Networking Professional with 6 Years of experience in Cisco, VMware, Windows and Linux.
• Experienced in configuring and troubleshooting within the following areas: LAN/WAN Topologies, CISCO IOS/Routers/Switches/Firewall, RF, 802.11 a/b/g Wireless Networks, Wireless Access Points, Microsoft/UNIX Operating Systems and Server Applications
• Broad and deep experience with Cisco network technologies such as routers, switches, firewalls, VPN Tunnels, wireless, and network security.
• Excellent knowledge of Cisco IOS and core routing protocols EIGRP, BGP, OSPF, STP, MPLS, Multicast
• Implementing filters on CISCO routers and Switches using Standard and Extended Access Control-Lists
• Build and troubleshooting experience With VMware ESX, ESXi
• Good experience in VMware ESX Server, including build and configuration of Vsphere and VI3.
• Sound knowledge on Virtual Center server 2.5 , vCenter 4.0 for managing multiple ESX servers and Microsoft HyperV
• Configuration and administration of FTP, DNS, DHCP and SMTP servers
• Ability to participate and contribute to a strong, supportive team environment.

Technical Skills:

• Networking Protocols: TCP/IP, RIP, BGP, EIGRP, OSPF, VTP, MPLS, POP3, SMTP, FTP, TFTP
• Network: Cisco IOS, Cisco routers (3825, 3500, 2800, 2500 Series), Cisco Switches (6500s, 4500, 3750, 2960, 2950, 2924 Catalyst), Cisco Aironet Wireless access points (1200, 1240AG and 1260 series). VPN Concentrator, Cisco 4400s Wireless Controllers.
• Firewalls: Cisco ASA 5505, 5525/PIX 505, Checkpoint, Windows Firewall
• Operating Systems: Cisco IOS, NXOS, Windows 2000/2003/2008, Windows Vista, Windows XP, RedHat Linux and Ubuntu
• Virtualization: VMware ESX 2.x, 3.x, 4.x & ESXi 3.x, 4.x, Virtual Center 2.5 & 4.0, VMotion, DRS, FT, HA
• Network Tools: Microsoft Monitoring tool-Net flow Analyzer, Wire Shark, Packet Sniffer
• Programming Languages: C, C++, Perl

Academic Qualifications:

• Masters in Computer Engineering, Confidential University

Certifications:

• Pursuing CCNA Certification
• Microsoft certified technology specialist MCTS (HyperV)

Professional Experience:

Client: Confidential., Boston, MA
Designation: Network Engineer
Duration: May2012toAugust2012

Responsibilities:

• Configured and installed ASA 5525 Firewall
• Implemented site to site VPN tunnels and VPN server on ASA.
• NATs and ACLs
• Configured cisco routers 3825, 2811, 2511 cisco switches 2900, 3560 and 4500 series.
• Worked on Payment card Industry Data Security Standard (PCI DSS).
• Created a secured network environment by installing and configuring ASA, implementing NATs and access list. Framed policies and rules for configuring and maintaining the network.
• Configured for DSL failover with MPLS and MPLS failover with VPN tunnels.
• Installed and configured Netflow Analyzer and Radius server.
• Troubleshot and resolved many networking issues. Upgraded all the Routers to latest IOS.

Professional Experience: 

Client: Confidential., Dunkirk, NY
Designation: Network Engineer/Administrator
Duration: July 2011 to February 2012

Responsibilities:

• Implemented site to site VPN tunneling.
• Configured Cisco Routers (2800, 2900, 3800, 3900) switches (Catalyst 1900, 2900, 3550, 3560, 4500, 6500 series) and Cisco Aironet Wireless access points (1200, 1240AG and 1260 series).
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking , STP, InterVlan routing, LAN security.
• Worked with a team to create MPLS network with AT&T
• Firewall creation and maintenance using Cisco ACL and Linux IPtables
• Provided network security administration functions including hardware access, software access, passwords, user privileges and related tasks.
• Troubleshooting TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, and maintenance).
• Dealt with various WAN technologies such as Frame Relay, DSL, Cable, MPLS
• Installed, configured and maintained Linux and Windows servers.
• Worked on creating dedicated VLANs for Voice and Data with QOS for prioritizing the VOICE over the DATA.
• Upgrading IOS versions on Cisco Switches and Router through Cisco Network Assistance and TFTP
• Hardening the router by Password encryption, Securing ROMMON, Logon Banner.
• Develop documentation set using Microsoft Office Suite and Visio.
• Configured FTP server for inside/outside users and vendors
• Installed and configured FTP, SMTP, DNS and DHCP servers.
• Configure CiscoVPN 3000 Concentrator to allow VPN clients
• Installation and configuration of VMware ESX 3.5/4, Virtual Center Server.
• Created Virtual machines and installed Linux, Windows servers.
• Performance monitoring and tuning for ESX Servers, Virtual Center Server and Virtual Machines.

Company: Confidential, Bedford, MA
Designation: Network Engineer- Cisco and VMware 
Duration: July 2009 to June 2011

Responsibilities:

• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, and maintenance). Worked on CATIOS.
• Deployed and implemented corporate infrastructure using IP protocols RIP, OSPF, EIGRP and BGP.
• Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE,ADSL, Multilayer Switching, DoD standards.
• Configured & Maintained the Local Network using 2900, 4500, 6500 series Switches and Cisco 2800 routers.
• Configured and implemented ASA/PIX Firewall.
• Experience on Cisco Wireless controller 4402/4404, Cisco WCS, and Wireless technologies like LWAPP.
• Upgrading IOS versions on Cisco Switches and Router through Cisco Network Assistance and TFTP.
• MPLS configuration throughout the company with BGP protocols.
• Configured STP prioritization for selection of a Root Bridge
• Provided Tier1, Tier2 and Tier3 support
• Installation and configuration of VMware ESX 3.x and 4
• Installation and configuration of VMware Virtual Center Server
• Created Virtual Machines
• P2V migration using VMware converter
• VMotion and Storage VMotion
• Creating and Managing HA and DRS
• Monitoring and managing performance of ESX servers and Virtual Machines
• Creation & Troubleshooting of Virtual Network. Troubleshooting ESX & Virtual Machines

Company: Confidential, Chelmsford, MA
Designation: System and Network Administrator 
Duration: May 2008 to June 2009

Responsibilities:

• Installation and Configuration of networks, router/switches configuration and wireless access point
• LAN/WAN hardware including Ethernet Hubs, Cisco Switches, switch panel installation, configuration and troubleshooting, Frame-Relay configured support
• Installing and maintain various server technologies including, TCP/IP, Active Directory, Routing and Remote Access, Terminal Services, Microsoft Exchange 2003.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
• Monitor Routers and Internet Connectivity. Troubleshooting TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Creating and deploying OS for the VM’s
• Installed following servers Redhat Linux, Win 2000 and Win 2003 etc.
• Installed and configured network monitoring tool for monitoring servers, routers other network resources
• Resolving Network Problem related to connectivity and assessing resources.
• Responsible for ensuring each reported problem is resolved in timely manner

Sep 2007 – June 2009: Attended MastersinComputerEngineering, Confidential University

• Developed anIP routingsimulator application for investigating various IP routing algorithms (distance-vector / link- State).Thisprogram was developed usingCon LINUX OS.
• Developed aClient server model based on the FTP program.It uses TCP/IP connections implemented as sockets.(C++, Linux).
• Developed amemory management system using C on LINUX.Usedmulti-threads, thread synchronization and optimized data structures for effective memory management.

Company: Confidential
Designation: Junior Network Engineer 
Duration: Feb 2005 – Jan 2006 

Responsibilities:

• Provided Tier1, Tier2 and Tier 3 support
• Installation and Configuration of Cisco Catalyst switches 6500, 6400, 3750 & 3550 series and configured routing protocols EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches
• Installed and configured the Cisco routers 2800 in two different customer locations.
• Configured PIX firewall for the Guest access. It includes, installing and configuring 160 Cisco 1130 Access points in customer locations for Guest access. Also, all these access points were converted from light weight APs to IOS based APs