SUMMARY

• Good knowledge in OSI model, TCP/IP model, IP Addressing, Subnetting, VLSM, DHCP, DNS, ARP.
• Extensive experience on LAN and WAN Networks.
• Experienced working knowledge with 800, 1800, 2500, 2600, 2800, 3600, 3800, 3900, 7200 series Routers.
• Experienced working knowledge Cisco Catalyst 2900, 3500, 3750, 4500, 6500 series and Nexus 5000 and 7000 series switches.
• Worked on T1/E1/T3 technologies and different LAN & WAN technologies.
• Expertise in implementing the routing protocols RIP, RIP V2, OSPF, EIGRP and BGP.
• Expertise in implementing Layer 2 technologies STP, RSTP, BPDU guard, Portfast, Uplinkfast, Backbonefast, VLAN, VTP.
• Configuring Security policies including NAT, PAT, DAP and Access Control Lists.
• Implementing and Troubleshooting Route Redistribution between Static, RIP, EIGRP, OSPF and BGP protocols.
• Implementing redundancy protocols HSRP.
• Enabled Authentications such as WPA2, PAP/CHAP, and AAA.
• Experience knowledge in Cisco ASA (ASA 5505, ASA 5510, ASA 5512 - X, ASA 5515-X), ASR (1001, 1002, 1002-X, 1004, 1006).
• Experience knowledge in Juniper FW (SSG20, SSG140, SRX-550, SRX-650).
• Configuration Site-to-Site Tunnels (IPSEC), Remote Access (SSL VPN).
• Basic Knowledge on F5 Load Balancers.
• Network sniffing tools like Wire shark/nmap.
• Maintaining and updating inventory of all network hardware, Management and Monitoring by use of SSH, Syslog.
• Experienced in troubleshooting both connectivity and hardware issues on Cisco based networks.
• Hands on experience in setting up Cisco routers to perform functions at the Access, Distribution and Core Layers.
• Excellent communications skills and Interpersonal skills with ability to work with large teams and independently with minimum supervision and a good team player.

TECHNICAL SKILLS

Protocols and Standards: RIP, RIP V2, OSPF, EIGRP, BGP, HSRP, GBLP, TCP/IP, UDP,PPP.

Hardware: Cisco Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800 and 7200). Cisco L2 and L3 switches (2900,3560,4500,5000 and 6500). Nexus (5k, 6k, 7k). Cisco ASR (1001, 1002, 1002-X, 1004, 1006), Cisco Firewalls (ASA 5505, ASA 5510, ASA 5512-X, ASA 5515-X), Juniper Firewalls (SSG20, SSG140, SRX-550, SRX-650), F5 Load balancers.

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, VLAN, Inter-VLAN Routing, VTP, STP, RSTP.

WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC and CSU/CDU.

OS Product and Services: DNS, DHCP, Windows 9X/ME/2K/XP/Vista, Windows Server, Linux, Macintosh.

TOOLS: Nmap, tcpdump and Wireshark.

PROFESSIONAL EXPERIENCE

Confidential - Duluth, GA

LAN/WAN Engineer

Responsibilities:

• Configured Cisco 2900 and 2900 routers for BGP connectivity to AT&T MPLS.
• Configured Cisco 3750 and 6500 series switches for LAN connectivity.
• Redesigned and deployed the sites to a core, distribution and access level.
• Deployment and conversion from Layer 3 to Layer 2 connectivity.
• Configured VLAN, VTP, Ether Channel, Spanning Tree, Root guard, BPDU guard, Port fast, Uplink fast, Backbone fast and 802.1Q.
• Configured and administered Cisco Wireless LAN Controllers and APs.
• Configured and troubleshooting BGP, EIGRP Protocols.
• Upgraded the IOS for routers and switches.
• Troubleshooting the network issues.

Confidential - Conshohocken, PA

Network Engineer

Responsibilities:

• One of the Network Engineer in the Networking Team that manages 27 Data Centers all over the USA.
• Working Experience on EM7.
• Handling the Customer Tickets related to all Network issues.
• Experience with Cisco switches, Cisco routers, Nexus and Cisco ASR (1001, 1002, 1002-X, 1004, 1006), Cisco ASA Firewalls (ASA 5505, ASA 5510, ASA 5512-X, ASA 5515-X) and Juniper Firewalls (SSG20, SSG140, SRX-550, SRX-650).
• Building and troubleshooting site-to-site Tunnels (IPSEC), Remote Access Tunnels (SSL VPN).
• Troubleshooting the connectivity issues with the network (worked on the issues related to the Firewalls).
• Implemented Host Scan using Dynamic Access Policies (Locked down the Remote Access clients based on their MAC address, IP address and File Paths).
• Access-Lists, Dynamic Access Policies, port forwarding, service policies and NAT/PAT set up.
• Basic working knowledge on F5 Load Balancers.
• Troubleshooting the connectivity issues with the network.
• Troubleshooting routing and switching issues.
• OSPF, BGP, HSRP Protocols.

Confidential - Oaks, PA

Network Engineer

Responsibilities:

• Analysis, optimization and troubleshooting the LAN/WAN.
• Worked with Cisco Catalyst 6500, 4500, 3500, 2900 and Cisco 2600, 2800, 3600, 3800, 7200 series Routers.
• Configured VLANs, VTP, 802.1q tagging, STP, BPDU guard, port-fast, uplink fast.
• Extensively worked on network management using SSH, Telnet, SNMP and ICMP.
• Configuration and troubleshooting EIGRP.
• Configuration to allow clients applications o be accessed within our company.
• Configured HSRP and GLBP protocols.
• Provided network security administration functions including hardware access, software access, passwords, user privileges and related tasks.
• Researched and tested new network equipment to ensure adherence to existing security policies and presented results to the management.
• Troubleshooting DNS, DHCP and other IP conflict problems.
• Supported networks that have 2000+ Cisco devices.
• Troubleshooting IOS related issues based on past history and release notes.
• Provided remote support to clients and interfaced with customers to ensure their satisfactions, collaborating with various departments for additional assistance.

Confidential - Marlborough, MA

Network Engineer

Responsibilities:

• Implementation of the new devices to meet the requirement and connect to the existing network.
• Worked on MPLS Network, Routing protocols used are MPLS-VPN, OSPF, BGP, EIGRP and troubleshoot issues related to routers such as IOS configuration, router operations and hardware issues.
• Performed installation and configuration of Cisco switches, Routers, Telnet, network management and analysis tools.
• Implementing, deploying and troubleshooting L2TP, HDLC, PPP, NTP, WCCP, WAAS, VLANs, VTP, STP, MSTP, RSTP, Root Guard, BPDU Guard, Port Fast, Uplink Fast, Backbone Fast, Ether Channel, PAGP, LACP and 802.1Q.
• IP subnetting and troubleshooting DNS and DHCP issues.
• Converted networks with multiple routing protocols such as EIGRP, RIP into a single OSPF domain.
• Implementation and verification of GLBP protocol and modifying route maps.
• Design and configuration of LAN and WAN.
• Implementation of IPSec, Static route, IPSEC over GRE, Dynamic routing, FTP, TFTP.
• Deploying Layer 2 security in server farms by configuring switch for 802.1x port based authentication.
• Implementing secure ACL’s, NAT and PAT.
• Perform IOS upgrades and maintain all the network equipment.
• Deployment and conversion of layer 2 to layer 3 at access level.
• Involvement in designing the Customers Network Infrastructure
• Work with customers and vendors on complex network issues.

Confidential

Network Engineer

Responsibilities:

• Design and implementation of the LAN IP infrastructure using Layer 2 / Layer 3 switching, VLAN, VTP, STP, Gigabit Ethernet and Trunking / Channeling technologies.
• Extensive knowledge on routing protocols OSPF, EIGRP and BGP.
• Configured port fast, BPDU guard, uplink fast, port security and 802.1q trunking.
• Troubleshooting IP address, DNS and DHCP issues.
• Worked on BGP multi-homing for links to different ISP’s.
• Implemented Network Management solution.
• Supported BGP with multiple providers. Propagated default routes from multiple locations.
• Configured various router interfaced like T3 and Channelized T1.
• Hands on experience on authentication protocols CHAP, PAP.
• Configured NAT for Internet access and ACL’s.
• Assisted in backup, restoring and upgrading the router and switch IOS.
• Identifying hardware and software related bugs related to LAN’s/WAN’s.

Confidential

Network / System Support Engineer

Responsibilities:

• Implementation of the new devices to meet the requirement and connect to the existing network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Troubleshooting DNS, DHCP and other IP conflict problems.
• Hands on experience to manage, monitor and troubleshoot network management tools.
• Creating & administering user accounts & their permissions.
• Troubleshooting TCP/IP problems and connectivity issues.
• Deployment of latest firmware and bios updates of servers and network equipment’s.
• Worked on different connection medium like Fiber optic and Copper connectivity.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Upgrading and Troubleshooting Cisco IOS to the Cisco routers and switches.
• Technical assistance for LAN/WAN management and customer issues.