SUMMARY

• Around 7 years of experience in Networking and Security, including hands - on experience in providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, EIGRP, RIP, BGP v4, MPLS.
• Hands on experience in configuring Cisco Catalyst 2960, 3750, 4500, 6500 and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600, 3800, 7200, 7600 series routers, Load Balancers & Cisco Firewalls
• Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA/PIX firewalls, Cisco and VPN client.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Experience working with Nexus 7K, 5K, 2K devices.
• Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Knowledge in preparing Technical Documentation and presentations using Microsoft VISIO/Office.
• Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyzes results and implement and delivering solutions as an individual and as part of a team.
• Experience in designing MPLS VPN and QoS for architecture using Cisco multi-layer switches.
• Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyzing results and implement and delivering solutions as an individual and as part of a team.
• Expertise in creating groups and pruning traffic flow using VLAN, VTP, ISL, 802.1Q.
• Working experience with REMEDY for ticket change management process.
• Excellent in documentation and updating client’s network documentation using VISIO.

TECHNICAL SKILLS

Routing Technology: RIP, RIPV2, IGRP, EIGRP, OSPF, BGP, TCP/IP, Static and Dynamic Routing.

Network Products: CISCO Routers 1700, 1800, 2500, 2600, 2800. CISCO High End Routers 3600, 3800, 7200, 12010, 12404. CISCO Switches 1900, 2950, 2950, 2960G. CISCO Campus Switches 3550XL, 4948 Core Catalyst 4503, 4507 RE, Catalyst 6500/6503/6507, Nexus 5000 series

Antivirus & Endpoint protection: Cisco CSA, Symantec Enterprise Edition, MacAfee Enterprise Edition.

Security & VPN: PIX 500 Firewall, ASA 5505 Firewall, AIP SSM, CSC SSM, FWSM, Fortigate, Cisco CSM, ACL-Access Control List, IPS/IDS, NAT, PAT, Cisco ACS, Juniper NetScreen firewall, PaloAltoFirewalls,Windows Patch Management (WSUS).

LAN Technology: Workgroup, Domain, HSRP, DNS, DHCP, Static, VLAN, STP, VTP, Ether Channel, Trunks.

WAN Infrastructure: Leased Line, ISDN/Dial-Up, Frame Relay circuits, Metro Ethernet.

WAN Technologies: HDLC, PPP, ATM, SONET, MPLS, VPN, IPSec-VPN.

Wireless & Wi-Fi: Canopy Wireless Device (point to point/point to multipoint), DLink Wireless (point to point), DLink Access Point, CISCO 1200 series Access Point, and Linksys Wireless/Wi-Fi Router.

Operating Systems & Tools: Cisco IOS, Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 Server, Windows XP/Windows 7/8, LINUX, Solaris, Active Directory, Apache Server, MS Exchange server, Veritas Volume Manager.

PROFESSIONAL EXPERIENCE

Confidential, Sunnyvale, CA

Sr. Network Engineer

Responsibilities:

• Hand on experience the configuration and implementation of various Cisco Routers and L2 Switches.
• Extensive experience in configuring and implementing EIGRP, OSPF and BGP.
• Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
• Worked on 2600, 3500, 7613 Cisco Routers and 4500 and 6500 series Cisco Switches.
• Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing
• Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.
• Responsible for service request tickets generated by the helpdesk such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
• Supporting EIGRP and BGP for problems of L2/L3 in internal teams & external customers.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Upgrading Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Support customer with the configuration and maintenance of PIX and ASA firewall systems
• Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
• Installation and administration of Checkpoint R 75.40 Firewall.
• Worked on documentation to create Visio diagrams using MS Visio.
• Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
• Worked on F5 load balancers deploying many load balancing techniques with multiple components for efficient performance.
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Configuration of Access List ACL (Std., Ext, Named) to allow users all over the company to access different applications and blocking others.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Hands on experience with Nexus Switches 2K, 5K and 7K.
• Implemented rules on Juniper SRX 550 at the server farm.
• Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.
• Creating and provisioning Juniper SRX firewall policies.
• Created standard access lists to allow SNMP, NTP and logging servers.
• Documented new VPN enrollments in a database and create standard procedures for further improvement.
• Troubleshoot traffic passing managed firewalls via logs and packet captures.
• Configured multiple domain name services (DNS), email services (Exchange Server), web, and file transfer protocol services (FTP) for various platforms including line leasing through DHCP servers.
• Networking protocols worked with included but not limited to TCP/IP, DNS, WINS, DHCP, VPN, Terminal Services, Routing and Remote Access, Network Design, wiring and cabling.

Environment: JuniperSRS550,F5BIG,IPLTM8900,ISDN,Framerelay,NAT,DHCP,TCP/IP,VPN,LAN, WAN, RIP, OSPF, EIGRP, OSPF, BGP, VLAN, MPLS, Cisco ASA 5500.

Confidential, NYC, NY

Network Engineer

Responsibilities:

• Configured RIP, PPP, BGP and OSPF routing.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Identify, design and implement flexible, responsive, and secure technology services
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing.
• Creating and provisioning Juniper SRX firewall policies.
• Created standard access lists to allow SNMP, NTP and logging servers.
• Documented new VPN enrollments in a database and create standard procedures for further improvement.
• Troubleshoot traffic passing managed firewalls via logs and packet captures
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team.
• The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Co-ordinated with the Data Network and Security team and came up with possible solutions.
• Work on Physical site Inventory verification, gather information of various Cisco Network devices and Security Devices to develop Run book and Spec Book.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view) and experience with developing complex network design documentation and presentations using VISIO
• Estimated Project costs and created documentation for project funding approvals.
• Monitoring and troubleshooting network issues between client site and 85 remote sites with legacy switches and routers
• Performed and presented network analysis as a part of network migration. Involved in knowledge transfer to vendors and provided them network support as required
• Worked as a single point of contact for the whole migration
• Configuration and maintenance of EIGRP and BGP network on router 7200 and 6500 MLS.
• Configuration and maintenance of 3750 stack and 6500 VSS for improved efficiency of the data plane.
• Configuration and management of NEXUS network in the existing network infrastructure.
• Created LAB setup with 7k and 5K NEXUS switches for application testing.

Environment: Cisco 3750/3550/3500/2960 switchesandCisco 3640/12000/7200/3845/3600/2800 routers, CiscoASA5510,Checkpoint,PaloAlto,CiscoNexus7K/5K, 2248/3560/5020/6509, ASA,Checkpoint,LAN,OSPF,BGP,RIP,EIGRP.

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• Have experience with Cisco Works LAN Management Solution
• Experience in migration of Frame-relay based branches to MPLS based technology using multi layer stackable switch like 6500 series and 2800 series router
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Hands on experience with Cisco 3500, 3750, 4500, 6500 series equipment and configuring and deploying and fixing them with various modules like Gig card, VPN SPA card, WIC card.
• Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data center environment
• Involved in configuring IP Quality of service (Q oS)
• Involved in designing L2VPN services and VPN-IPSEC authentication & encryption system.
• Experience in designing, installing & configuring of Cisco PIX, ASA & FWSM (Firewall service module)
• Evaluate, Analyze & Implement firewall policies to meet business requirements
• Experience in creating and maintaining firewall configurations, updating documentation and log analysis.
• Applying crypto maps and security keys for the branches, ISAKMP (Internet security association key management protocol) for establishing Security associations (SA) cryptographic keys.
• Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocols like RADIUS and TACACS
• Experienced in WAN environments, installing and troubleshooting data circuit problems (MPLS, T1)
• 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
• Involved in designing and applying QOS and policy map to 2800 series routers for all the branches
• Involved in designing GRE tunnels for encryption of data flow from source to destination
• Implementing VoIP solutions using SIP & H.323, also have sound knowledge of Avaya VoIP products
• Experience in configuring VLAN’s STP (Spanning tree Protocol) & RTSP (Rapid Spanning Tree Protocol)
• Understanding & Implementation of IPSEC & GRE tunnels in VPN technology.

Environment: Cisco 3750/3550/3500/2960 switchesandCisco 3640/12000/7200/3845/3600/2800 routers, CiscoASA5510,Checkpoint,PaloAlto,CiscoNexus7K/5K, 2248/3560/5020/6509, ASA,Checkpoint,LAN,OSPF,BGP,RIP,EIGRP.

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• Performed Troubleshooting and monitored routing protocols such OSPF, EIGRP & BGP.
• Involved in writing troubleshooting guidelines for MPLS VPN.
• Involved in customer escalations and troubleshooting issues related to connectivity, STP, VLAN, Trunking, VTP, Layer 2/3 switching, Ether channels, Inter-VLAN routing, log messages, high CPU utilization and parameters that can degrade performance of network.
• Configured VLANS on multiple catalyst switches performed troubleshooting on TCP/IP network problems, Administered Frame-Relay and networks.
• Provided technical support and problem resolution for the LAN and its environment by analyzing the problem, identifying the cause and circumstances of the problems and finding a solution to the identified problem.
• Configured ACL & NAT through CLI.
• Experience with protocols such as Frame Relay, IEEE 802.11 and VLAN, OSPF and BGP, DNS, DHCP, FTP, NTP, SNMP, SMTP and TELNET.
• Installed, configured (through CLI & SDM) and managed CISCO routers and Catalyst switches.
• Set up Internet, implementing Networking products like Servers, Proxy servers, Switches, Firewalls, Routers.

Environment: Cisco 3750/3550/3500/2960 SwitchesandCisco 3640/12000/7200/3845/3600/2800 routers,CiscoASA5510,Checkpoint,PaloAlto,CiscoNexus7K/5K, 2248/3560/5020/6509, ASA,Checkpoint,LAN,OSPF,BGP,RIP,EIGRP.

Confidential

Network Engineer

Responsibilities:

• Maintaining the Network Infrastructure, Installation, migration and configuration of routers and switches for clients.
• Provide alternative means from dial-up connection to bring down the damage or loss that occurs for the client.
• Configured Routing protocols such as OSPF and policy based routing.
• Team member of Configuration ofCISCO7206 router and Configuration of Catalyst switches.
• Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Create and testCisco router and switching operations using OSPF routing protocol.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WANnetworkconsisting of CISCO 3550/4500/6500 switches by configuring VLANs.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Configured IP access filter policies.
• Providing Technical Support and solutions forNetwork Problems.
• Implementing NAT solution's on Cisco IOS routers.
• Upgrading IOS, troubleshootingnetworkoutages.
• Worked on Cisco Routers, Active /Passive Hubs, Switches.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel.
• Design and implemented network infrastructure and configured the entire network Infrastructure devices including Network Printers and Registers.

Environment: Cisco 3550/4500/6500 switches and Cisco 2500, 2600, 3000, 6500, 7500, 7200 routers, Checkpoint, VLAN, OSPF.

Confidential

Jr. Network Engineer

Responsibilities:

• Handled the up gradation and replacement of network components like NIC cards, display cards, RAM, keyboard, mouse and other peripherals/ devices.
• Handled installation of operating systems (NT/2000, MS Office, and XP), troubleshooting of operating systems and configuring the servers.
• Experience with Remedy ticketing system in resolving tickets related to routing and Switching
• Gained knowledge in IP Subnetting for Class A, B, and C networks.
• Configured and installed CISCO routers 2500, 2600, 3601 and 4000 series.
• Remotely testing links up to 1.5 Mbps using tools like REACTS.
• Troubleshooting on routing protocols, which include RIP, BGP, EIGRP, and OSPF.
• Recovered lost passwords and created standard access-lists and extended access list to new users.
• Monitoring network performance to improve the backup strategy using Netrep, Solar winds.

Environment: Cisco 3550/4500/6500 switches and Cisco 2500, 2600, 3601, 4000, routers, Checkpoint, LAN, OSPF.