SUMMARY

• 7+ years experience in routing, switching, firewall technologies, Wireless technologies, implementation and troubleshooting of complex network systems.
• Hands on experience in installing, configuring, troubleshooting and managing Cisco 7206VXR, 3925, 3845, 3650, 2620, 2960, 2901, 2811, 1900, 1800 series routers, and Cisco Catalyst 6500, 4500, 3750,2960 series switches.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP.
• Experience in implementation, support and troubleshooting of VLAN’s including operational knowledge of STP, PVST, RSTP, inter VLAN routing, port security, Ether - channel, LACP protocol and ISL/802.1q.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Dealt with the configuration and troubleshooting issues related to Access Control Lists (ACL), NAT/PAT, and ASA/PIX Firewall.
• Experience in setting up site to site (IPSEC VPN) and remote VPN connections to communicate between branches using Cisco network devices.
• Strong experience with Juniper Networks.
• Experience with the following technologies MPLS, Frame Relay, SSL VPN and WLAN.
• Good knowledge of OSI Reference Model, TCP/IP, NAT, ACE, F5 load balancer, IDS, IPS, DNS.
• Used multiple network monitoring tools Cisco works, solar winds, Cisco ACS, Cisco NCS, Firemon to troubleshoot network issues for end-users.
• In-depth understanding of IPV4 and implementation of Subnetting.
• Managed and Configured DHCP Scope in Infoblox.
• Extensive experience taking copy of Cisco IOS on TFTP server and loading back on routers.
• Experience testing Cisco routers and switches in laboratory scenarios and deploy on site for production.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.
• Strong customer focus and experience of customer support.
• Willing to work hard, a determination to see things through in the face of unexpected setbacks and a desire to learn.

TECHNICAL SKILLS:

LAN technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP, PVST,RSTP, 802.1W.

WAN technologies: Frame Relay, ISDN, PPP, MPLS, leased lines and exposure to PPP, HDLC, DS1, DS3, OC3, OC12, OC48, T1/T3 and E1/E3

Cisco and other vendor equipment’s: Cisco routers (7206 VXR,2811,2901,3925,3845,3945,2620,2612), and Cisco Catalyst switches (6509, 6506, 6513, 3750, Catalyst 37xx stack, 4000, 3550, 2900, 2960, 2800, 1900 series),Cisco nexus 7000 series 10- slot switch and 5000 Series Switch, Load Balancer ACE/F5, CatOS, Cisco IOS 11.x, 12.x.

Network Security: ACL, NAT/PAT, Route maps, Firewall ASA 5500 series and PIX 515E, 525 series, IPsec VPN Configuration, RADIUS, TACACS+, IDS/IPS,3060 VPN Concentrator.

Protocols/Services: TCP/IP, UDP, Routing Protocols (RIP v1 & v2, EIGRP, OSPF, BGP), GLBP, VRRP, HSRP, QoS, CDP.

OS products/Services: DHCP, TFTP, SMTP,UNIX, LINUX, Sun Solaris 9/10, Mac, Microsoft SQL server 2005, windows server 2000, 2003, 2008, Windows 7/NT/XP/Vista, VMware, Active Directory.

Network Management Tools: Cisco Works, Solar winds, Firemon, Infoblox, Cisco NCS,Cisco ACS, NetMRI,Show and Share, DMM, DMP,TMS, Wire shark, NetQoS Super-Agent.

WLAN technologies: Autonomous AP’s, Lightweight AP’s, Cisco wireless LAN Controller 2400 series, WDS, WLSE, Standards 802.11a/b/g.

IP Telephony: voice gateways, Cisco Call Manager(CCM),PBX, VOIP dial peers

Programming: C,C++,MATLAB

Documentation: MS Office, MS Visio,Sharepoint

PROFESSIONAL EXPERIENCE:

Confidential, New Jersey

Network Engineer

Responsibilities:

• Worked on separating vendor equipment from the store POS network in about 500+ store locations.
• Installed and configured Cisco routers 2811, 2901 along with Cisco switches including 2960, CE500 switches.
• Performed configuration and troubleshooting of EIGRP and BGP.
• Performed tasks such as creating Sub-interfaces, moving configuration from primary interface to the sub-interfaces. Configuring separate vendorVLANs, VTP, RSTP, Ether channel.
• Created and configured access-lists for separating vendor equipment from the store POS network.
• Coordinated with Confidential Store personnel’s, Vendors such as Shoppertrak and Scarsdale for troubleshooting various network issues.
• Assisted with the design and implementation of IP address scheme for various vendors.
• Performed various vendor equipment Rollouts on a day to day basis on various Confidential stores.
• Assisted with the implementation of DMVPN with the vendors.
• Performed existing Cisco Wireless LAN Controller software upgrade and configured WAP’s.
• Configured MPLS CE (Customer edge router).
• Monitored WAN network using Riverbed.
• Monitored and performed troubleshooting of WAP and WLC using Cisco NCS Monitoring Tool.
• Monitored Enterprise network using Solar winds. Created Nodes, Network Maps etc.
• Other responsibilities included support other teams, Documentation, change control.

Environment: Cisco Routers, Switches, VLAN, VTP, RSTP, Ether channel, DMVPN, WAP, WLC, Cisco NCS, Solar winds, ACL,Riverbed.

Confidential - Newark, New Jersey

Network Enginee

Responsibilities:

• Conducted a thorough technology analysis as a complete upgrade of existing network which was required by the company.
• Configured routers including 3925, 3845, 2811, 2600 series along with Cisco switches including 2960, 3750.
• Performed OSPF and BGP protocol administration and used redundancy protocols like HSRP, VRRP.
• Configured VLANs, VTP, RSTP, STP (Spanning Tree Protocol), Ether channel and port security at switching level.
• Works with the end users to validate problem descriptions and perform detailed problem diagnosis; track and updateproblems in HP Service manager (Trouble-ticketing System).
• Assisted Operations with troubleshooting and root cause analysis for network incidents in the environments.
• Assisted in migration of existing B2B VPN tunnels with the vendors from the 3060 VPN concentrator to ASA Firewall and configured site-to-site IPSEC VPN .
• Configured DMVPN between different Vendors.
• Performed multiple firewall changes on the ASA firewall based on the requirements and monitored firewall changes using firemon Tool.
• Designed and implemented an IP addressing scheme with subnets for different departments.
• Created work instructions and standard operating procedures based upon network implementation and design.
• Designed network diagrams based on the requirements and maintained it in MS share point site.
• Configured MPLS CE (Customer edge router).
• Used multiple network monitoring tool solar winds for supporting the existing core network environment and Network edge devices.
• Configured WAP and Performed troubleshooting of WAP and WLC using Cisco NCS Monitoring Tool.
• Installed, configured and monitored IT Watchdogs.
• Installed and configured Infoblox appliance for various locations in Horizon.
• Extensively used Infoblox for IP address management. Created and added IPv4 Network, Reserved IP addresses for various devices, Defined DHCP Scope as per the requirements, Created DHCP scope options for setting up Voice VLANs, KACE Appliance, PXE Clients etc.
• Used Adaptive Security Device Manager while performing security audit on routers.
• Scheduled and monitored multiple Video conferences using TMS(Tele management Suite).
• Created Live events on Show and share. Coordinated with W@H users to check on any issue during the live streaming.
• Audited network devices to confirm network policies and guidelines meet or exceed targets for successfully audits.
• Worked closely with Sales representatives for the AVAYA Dialer Project.
• Assisted Cisco and Presidio (Blue water) during the design and implementation on various projects in our company.
• Used Cisco works, Solar winds, Content Management Systems (CMS),Cisco secure access control server (ACS),Cisco SMARTnet, Riverbed Network tools to update the network documentation.
• Other responsibilities included support other teams and change control.

Environment: Network edge routers,Switches, WAP,WLC, OSPF, BGP, VLANs, VTP, RSTP,STP(Spanning Tree Protocol), HSRP, IPSEC VPN tunnels, ACL, NAT/PAT, Firewalls (ASA), TMS, DMP, S&S, Cisco Works, Solar Winds, Infoblox, Cisco ACS, Cisco NCS, Cisco SmartNet, Firemon, CMS, NetMRI, HP Service Manager, ASDM,Riverbed.

Confidential - SanBruno, CA

Network Engineer

Responsibilities:

• Involved in complete LAN, WAN development (Designing, installation, configuration, testing, monitoring etc).
• Installed and configured routers including 2811, 2901, 2600 along with Cisco switches including 2960, 6500.
• Performed configuration and troubleshooting of EIGRP.
• Performed TACACS+ Configuration on routers, switches and WAP.
• Configured VACL-SPAN filters on Cisco IOS and Cat OS 6500, 4500, 3500 series switches, to include 70 servers for monitoring with NetQoS Super-Agent.
• Performed IPSLA, TACACS+ configuration testing on Cisco routers and switches in laboratory scenarios and deploy on site for production.
• Configured IPSLA probes on 14 in-scope routers and switches.
• Configured IPSLA responder on 68 in-scope routers and switches.
• Performed tasks such as creating New VRF instances, VLAN, VTP, RSTP, NAT, HSRP, Ether channel, ACL, mapping VRF with VLAN on 6500 series switches.
• Worked with Network Administrator in the installation and configuration of ASA firewall.
• Implemented the Cisco Secure Access Control Servers (ACS) to offer centralized command and control for all user authentication, authorization and accounting (AAA).
• Performed SNMP Configuration on Cisco switches.
• Performed TAD4D Agent installation on various windows servers.
• Used multiple network monitoring tools for monitoring the existing network edge Equipments and core environment such as NetQoS, Riverbed and Solar winds.
• Worked as a Technical solution architect on various Gap IT Projects.
• Coordinated with IBM, AT&T and GAP during design and implementation of multiple projects.
• Other responsibilities included support other teams, Documentation, change control.

Environment: LAN,WAN,TACACS+,NetQos,VRF,VLAN,VTP,RSTP,NAT,HSRP,Etherchannel,ACL,SNMP,EIGRP, WAP,Solar winds,ACE,Riverbed, Cisco Secure Access Control Servers (ACS),AAA, ASA.

Confidential - Memphis,TN

Network Engineer

Responsibilities:

• Involved in complete LAN, WAN development (Designing, installation, configuration, testing, monitoring etc).
• Performed configuration and troubleshooting of EIGRP and BGP.
• Performed HSRP, GLBP configuration.
• Established IPSEC-VPN tunnels with ASA 5500 series Firewall between some branch offices & headquarters.
• Configured remote access VPN solutions (IPSec and SSL VPN).
• Creating dedicated VLANs for Voice & Data with QoS for prioritizing VOICE over DATA.
• Configured VOIP dial peers, IP phones for the company network using Cisco devices.
• Performed setting up and configuring load balancer ACE for efficient performance and to increase reliability through redundancy.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Implemented security measures using ACL and configured NAT according to the connectivity requirement.
• Designed new enterprise MPLS VPNs, as needed for policy and security reasons.
• Configuration of Access List ACL (Std, Ext, Named) to allow users all over the company to access different applications and blocking others.
• Worked on the security levels with RADIUS, TACACS+.
• Implemented and monitored the network using network sniffing and scanning tool as Wireshark.
• Provided 24/7 rotational on call supports for branch offices.
• Monitored all equipments using NetQos, Solar Winds.
• Other responsibilities included Support other teams, change control.

Environment: Cisco Routers, Cisco Switches, Routing protocols (EIGRP, BGP), MPLS VPN, HSRP, LAN,WAN, GLBP,IPSEC VPN Tunnel, QoS,IP Telephony, ACL, NAT, VLANs, VTP, STP,RSTP,Radius,TACACS+,Monitoring Tool(NetQoS, Solar Winds,Wireshark).

Confidential - Chennai, India

Jr.Network Engineer

Responsibilities:

• Designed network connectivity and network security, between various offices and data center.
• Responsible for the installation, configuration, maintenance and troubleshooting of the company network. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Responsible for all aspects of TCP/IP functionality across multiple enterprise environments.
• Designing and implementing QoS policy for different clients and different applications, VOIP and assigning different bandwidth’s according to need.
• Configured various wireless access points (WAP) for the organization network.
• Providing technical security proposals, security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures.
• Performed Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, RSTP, Inter Vlan routing, LAN security etc.
• Implemented traffic filters using Standard and Extended access-lists.
• Designed and implemented an IP addressing scheme with subnets for different departments.
• Spearheaded meetings & discussions with service provider regarding network optimization and regarding BGP issues.
• Monitoring links using solar winds.
• Performed troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Provided support for troubleshooting and resolving Customer reported issues.
• Other responsibilities included documentation and support other teams.

Environment: Cisco Routers, Cisco Switches, Routing Protocols(EIGRP, OSPF,BGP ),LAN,WAN, TCP/IP, QoS, ASA firewall, VPN, MPLS,IP Phones, VLAN, VTP, RSTP, WAP, ACL, Solar winds

Confidential

Intern

Responsibilities:

• Worked & collaborated with a Team of IP Telephony Specialists, supported them on a need basis.
• Configured routers using routing protocols such as RIP, EIGRP and BGP.
• Collaborated amongst a group of Security Professionals to finalize the consolidation of the DMZ Firewall Zone.
• Configured site to site IPSec VPN to provide communication between the branch office and headquarters.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Configuring Cisco voice over IP (VOIP) phones, and Telephony.
• Configured static routes, default routes, Frame Relay.
• Set up and troubleshoot secured wireless access points (WAP) and wireless LAN controller (WLC) for broadband internet.
• Provided security by using ACL, NAT.
• Implemented VLANS between different departments and connected them using trunk by keeping one Vlan under server mode and rest falling under client modes
• Involved in troubleshooting VLAN, RSTP, & Switch Trunk issues.
• Worked on Replication between various domain controllers in Active Directory.
• Responsible for layer 2 security, securely managed all switches and routers and deployed a syslog server to allow proactive network monitoring.
• Configuring of IP Allocation and subnetting for all applications and servers and other needs throughout company using FLSM, VLSM addressing.
• SNMP network management using Cisco works.
• Drawing Visio diagrams of the entire network and updating them.

Environment: Cisco Routers, Cisco Switches, Routing Protocols (RIP, BGP, OSPF), VPN Tunnels, Checkpoint Firewall, Frame relay, ACL, NAT, WAP, WLC, VLAN, RSTP, Active Directory, Cisco Works.