SUMMARY

• 8 years of experience in Cisco/Juniper Networking & Security which includes designing, deployment and providing network support, Implementing and troubleshooting Service Provider Networks.
• Excellent documentations skills by preparing data sheets, video tutorials, video labs
• Prolific in Cisco IOS, Juniper JUNOS for configuration and troubleshooting of routing protocols: BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
• Expertise in configuring and maintaining Cisco Switches (2900, 3500, 3700, 6500 series) & Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800)
• Experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Prolific in implementing and troubleshooting VLAN Trunks, STP, SNMP, Ether Channels, HSRP, and ACL’s, QoS
• Thorough noledge and hands - on experience on IP Addressing, Subnetting, VLSM and ARP, Ping Concepts
• Configured and managed Nexus 2k fabric extender, 5K and 7K switch network at the client’s location
• Administration of LAN and WAN with in-depth noledge of TCP/IP, NAT, PPP, ISDN and associated network protocols and services
• Hands on experience on F5 load balancers and Ciscoload balancers (CSM, ACE and GSS)
• Worked in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance & configuring VLANs with the firewalls as per the design
• Strong noledge of TACACS+, RADIUS implementation in Access Control Network
• Implementation and Troubleshooting of WAN autantication protocols- PPP, CHAP and PAP
• Hands-on experience on Up-gradation of Cisco IOS on different Cisco devices and modules
• Experienced working on network monitoring and analysis tools like SolarWinds, CiscoWorks, RIVER BED and Wireshark
• Configured security policies and procedures usingAccess Control List (ACL), Route Maps, Offset lists, Prefix Lists.
• Worked on Palo Alto Firewall
• Experience on Cisco 7600, Cisco 6500, Cisco 3750, Cisco ASA, Juniper NSM, Juniper ISG1000 & Juniper IDP
• Created, designed and documented network system design with detail information using Visio software. Client co-ordination for hardware issues and assessment management
• Experience in designing MPLS, VPN and QoS for architecture using Cisco multi-layer switches
• Excellent verbal, written communication skills and interpersonal skills with ability to work with large teams as well as independently with minimum supervision & team player
• Hands-on experience and noledge about VoIP technologies
• Sound noledge of virtual firewalls like checkpoint VSX, IDS, IPS as well as encryption techniques

TECHNICAL SKILLS

Networking Technologies: LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, NAT, PAT,STP, RSTP, PVST, MSTP,MPLS,VoIP

Networking Hardware: Cisco Switches, Cisco Routers, ASA/Pix firewalls, VMware

Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series), Cisco ASR routers (1001,1001X,1002,1002X,1004 series)

Routing Protocols: OSPF,IGRP,EIGRP,RIPv1&v2,MPLS,IS-IS, BGP,Multicasting,IPv6,Static Routing

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing &Multi-Layer Switch, Ether channels, Transparent Bridging.

LAN/WAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLAN, VTP, STP, RSTP, 802.1Q HDLC, PPP, ISDN Frame Relay, Channel & Leased lines.

Network Security: NAT/PAT, VPN, Filtering,F5 Load Balancer,ASA 5505, 5510 Firewalls IDS/IPS,IPsec, ACL, Juniper SRX, Autantication AAA (TACACS+&RADIUS)

Redundancy & Management: HSRP,VRRP,Wireshark, Solarwinds, SNMP,Cisco Works,GNS3,Cacti

Firewalls: Juniper NetScreen(500/5200), Juniper SRX(650/3600), Pix(525/535), ASA(5520/5550), Palo Alto, Checkpoint, PIX

Languages/Tools: Perl, C, C++, MIPS, MATLAB, VHDL, MS VISIO

Operating Systems: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix, Virtual Box

Features & Services: IOS and Features, HSRP, NAT, SNMP, NTP,DHCP, CDP, DNS, TFTP and FTP Management

PROFESSIONAL EXPERIENCE

Confidential, St. Louis, MO

Senior Network Engineer

Responsibilities:

• Troubleshoot issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the client
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies
• Configuring Static, IGRP, EIGRP, BGP and OSPF Routing Protocols on Cisco1600, 2600, 2800, 3600, 7300 series routers
• Configured Easy VPN server and SSL VPN to facilitate various employees’ access internal servers and resources with access restrictions
• Configuring VLANs/routing/NATing with the firewalls as per the network design
• Experienced working noledge with 1800, 2800, 2500, 2600, 2800, 3600, 3800, 3900, 7204, 7606 series Routers
• Performed the ACL request changes for various clients by collecting source and destination information
• Experience with working on Juniper Routers like M320, MX80, MX960 and MX480 -configured OSPF BGP and route policies
• Worked closely with Data center management to analyze the data center sites for cabling requirements of various network equipment
• Experience with Juniper NetScreen 520M Firewall and Palo Alto network firewall
• Worked with Checkpoint Support for resolving escalated issues
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on a different location of office on the switched network
• Implementation of Access Lists for allowing/blocking desired traffic
• Performed IOS upgrades on Cisco routers and switches
• Maintained complex LAN/WAN networks with several VLAN’s and provided support for routing protocols and also providing secure sessions over internet using IPsec and SSL encryption
• Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution
• Worked on UNIX, LINUX, and Windows servers
• Provided technical assistance for LAN/WAN management & troubleshooting complex issues through network monitoring tools
• Worked on F5 BIG-IP LTM, configured profiles provided and ensured high availability
• Work assigned tickets to determine the point of failure and resolve problems remotely utilizing available tools and other Operation Center resources

Environment: Nexus2k/5k/7k, Cisco 6500/7500/7200/1800/2800/3600/3800 routers 3560/2950/3550/4500/6500 switches,Cisco ASR (1001,1001X,1002,1002X series) routers, JuniperSRX100, LAN, WAN, OSPF, RIP, BGP, EIGRP, HSRP, PPP, VPN, DNS, DHCP, Checkpoint, Cisco ASA, F5 BIG-IP, MPLS

Confidential, Melbourne, FL

Network Engineer

Responsibilities:

• Installed various branch Cisco devices including switches and routers
• Experience in implementation, analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Implemented PORs (port open requests) based on the requirements of various departments and business lines.
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2Bnetwork connectivity
• Added and modified the servers and infrastructure to the existing DMZ environments based on the requirements of various application platforms
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies
• Deployment of datacenter LAN using Nexus 7k, 5k, 2k switches
• Designed IP Addressing schemes and Switchport assignments, Trunking and Ether-channel implementation
• Provided daily network support for Global wide area network consisting of MPLS, VPN and point-to point site
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture
• On-call support for SAN infrastructure and storage services.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Experience with devices Palo Alto Network firewalls such as security NAT, Threat prevention & URL filtering
• Experience with F5 load balancers andCiscoload balancers (CSM, ACE and GSS)
• Responsible for maintenance of multiple CheckPoint-1 firewalls on NT environment
• Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures
• Worked on juniper switches like EX2200, EX2500
• Troubleshoot Network Issues onsite and remotely depending on the severity of the issues
• Troubleshooting of connectivity problems using PING, Trace route
• Implemented and troubleshoot (on-call) IPsec VPNs for various business lines and making sure everything is in place
• Monitored traffic and access logs in order to troubleshoot network access issues

Environment: Cisco 6505/2950/3550/3500/2960 Switches, Cisco 6500/7500/7200/3800/2800 Routers, Nexus5K, 7K, LTM, GTM, F5 Loadbalancer, Checkpoint, ASA, OSPF, BGP, EIGRP, RIP, LAN, WAN, SSL/VPN.

Confidential, Santa Clara, CA

Network Engineer

Responsibilities:

• Interfaced with customers and senior management for problem resolution and project planning
• Worked with Network Design and implementation teams on various projects across related to Branch, Campus and Data Center
• Experience in working with Cisco Nexus 5000 series switches for data center
• Configuration, Monitoring and Troubleshooting Cisco’s PIX firewall, ASA 5500
• Windows Server Administration (Windows 2000, 2003 & 2008)
• Experience in Configuring, upgrading and verifying the NX-OS operation system
• Configuration and management of NEXUS network in the existing network infrastructure
• Configured VLAN’s, VTP’s, and enabling trunks between switches
• Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal
• Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN
• Ability to interpret and resolve complex route table problems
• Configured ACLs on Cisco 5540ASA firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT, PAT
• Configuration and troubleshoot Site-to-Site and Client to Site VPN’s on Cisco PIX/ASA Firewalls and IOS Routers
• Maintained high availability of resources with F5 BIG-IP load balancer based on different load balancing
• Configured and troubleshoot CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416, 21418(with PRP and RPR processors)
• Performed the ACL requests change for various clients by collecting source and destination information from them
• Supported on Cisco Nexus 5000 and Nexus 7000 Series Switch fabric links
• Configuration and maintenance of EIGRP and BGP network on router 7200 and 6500 MLS
• Achieved experience in HSRP standby troubleshooting involving HSRP priority, hello and hold timers
• Involved in designing L2VPN services and VPN-IPSEC autantication & encryption system
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems

Environment: Cisco 2950/3500/5000/6500 switches, Cisco 7600/7200/3800/3600/2800 Routers, ACL, LAN, WAN, RIP, EIGRP, OSPF, BGP, IPV4, VPN, MPLS, F5 Load Balancer, Cisco ASA, Checkpoint, Nexus 7K\5K\2K Wireshark, Solar winds, Juniper SRX.

Confidential

Network Engineer

Responsibilities:

• Understanding and implementation of IPSEC & GRE tunnels in VPN technologies
• Troubleshoot issues and outages on Trunks and Router interfaces and firewalls extensively
• Configured and resolved various OSPF issues in an OSPF multi area environment
• Configured RIP, OSPF and Static routing on JuniperM and MX series Routers
• Configured VLAN, Spanning tree, VSTP, SNMP on Juniper EX series switches
• Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation
• Worked on the upgrade of Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
• Created load balancing policies using BGP attributes such as Local Preference, AS-Path, MED, Community etc.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, and IP addressing
• Configured HSRP between the 3845 router pairs for Gateway redundancy for the client desktops
• Ability to use NAT and Firewall security policies in Checkpoint
• Troubleshoot traffic passing managed firewalls via logs and packet captures
• Maintenance of Cisco ASA 5500 firewall forDCA site, adding new rules or changingexisting access lists if necessary
• Implementation of security improvements such as network filtering, SSH, AAA, SNMP access lists, EIGRP MD5 autantication, HSRP autantication and security enhancements
• Involved in Layer2/3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-VLAN routing, LAN security
• Provided technical assistance to LAN & WAN systems
• Installing and maintaining Network printers

Environment: Cisco 6509/3750/3550/3500/2950 switches and Cisco 7200/3845/3640/3600/2800 routers, EIGRP, RIP, OSPF, BGP, VPN, MPLS, STP, SNMP

Confidential

Jr.Network Engineer

Responsibilities:

• Implementation and maintenance of network architecture for LAN/WAN
• Performed IOS upgrades on Catalyst 1900, 2900, 3500 series switches and 2500, 2600, 3600 series routers.
• Implemented and configured routing protocols like EIGRP, OSPF and BGP
• Configuration and testing of Multicast routing in Data Center Environment
• Configured and supported TCP/IP networks
• Maintenance of DNS, DHCP, Active Directory, Replication & other services on the Windows Server 2000 & 2003 network
• Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers
• Managed IP addressing and executed IP Access Lists
• Troubleshooting Security issues on Cisco ASA, Checkpoint, ID/IPS and Juniper NetScreen firewalls
• Implementation of switching protocols like Spanning Tree Protocol (STP) in the network, VTP, VLANs, and configured Fast-Ethernet channel between switches
• Worked on Configuring and Troubleshooting issues with the following types of routers Cisco (7200, 6500, 1700, 2600 and 3500 Series), that includes bridging, switching, routing, NAT, and DHCP
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite
• Configuration and management of different Layer 2 switching tasks which includes address learning and efficient switching
• Provided technical support on hardware and software related issues to remote production sites

Environment: Cisco 7200/6500/1700/2600, /3500/2900routers STP, VTP, RIP, EIGRP, OSPF, BGP, DHCP, NAT, VLAN