SUMMARY:

• Network Professional with CCNP and CCIE(R&S written) having 9+ years of experience in routing, switching and firewall technologies including implementation and troubleshooting of complex network systems.
• Advanced knowledge in most areas of network hardware and software such as LAN/WAN equipment and services, switches, routers, firewalls, load balancers and VPN.
• Switching experience including VTP, ISL/ 802.1q, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Excellent working knowledge with the technologies like VPN, WLAN and Multicast.
• Network security experience including NAT/PAT, ACL, and ASA/Checkpoint/PIX Firewalls.
• Strong experience in installation, configuration and troubleshooting of Cisco ASR 1002,7600, 7200, 3900, 3800, 3600, 2900, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3850,3750, 3560 XL and 3500XL series switches.
• Extensive hands on experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF & BGP
• Experience in configuring Site - to-site IPSec and GRE tunnels and remote access VPN solutions.
• Knowledge in configuring Voice VLAN’s and prioritizing the voice traffic over the data traffic
• Experience with F5 and ACE and Foundry load balancers - LTM, GTM series like 4000, 6400, 6800, 8800 for the corporate applications and their availability.
• Worked on F5 Monitors, profiles and load balancing methods.
• Involved in design and deploying various network security & High availability products like Cisco IOS ASA and other security products, Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
• Understanding the JUNOS platforms and Juniper devices
• In depth understanding of IPV4 & IPv6 and implementation of Subnetting.
• Configured Security policies including NAT, PAT, VPN, Route-maps, prefix lists and Access Control Lists.
• Well Experienced in configuring protocols HSRP, VRRP, GLBP, IGMP, PPP, PAP, CHAP, and SNMP.
• Experience in installing and configuring DHCP, DNS and RADIUS servers.
• Expert level knowledge of Riverbed Steelhead including Central Management Console (CMC)
• Experience working with Nexus 7010, 5020, 5548, 2232, 2248 switching devices.
• Excellent communication skills, Enthusiastic, motivated and a team player
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.
• Experience with Change management process and Project documentation tools like Excel and VISIO
• Played various customer interaction roles in various capacities, across projects in different areas.

TECHNICAL SKILLS:

Switches: Cisco Catalyst 2232, 2960, 3560, 3750, 3850,4507R+E, 5596, 6509-E, 7009, Nexus 2232, 5596, 7009

Routers: Cisco 2600, 2800, 2900, 3800, 3900, 7200, 7600 series, ASR

Switching: LAN, VTP, STP, PVST+, RPVST+, MST, Inter VLAN routing & Multi-Layer Switch, Ether channels, MPLS

Routing: OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static Routing

Network Security: Cisco ASA 5500 series, Checkpoint, PIX525, ACL, IPSEC, GRE

Load Balancer: F5 Networks (Big-IP) LTM and GTM, ACE, Foundry

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Fiber Optic, Frame relay

Redundancy: HSRP, VRRP, GLBP

Various Features & Services: IOS and Features, DMVPN, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, FTP, FTP

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Wireless: WCS, WLC, WAP

Network Management: Wireshark, Netbrain, Vitalnet, SNMP, Maximo, Service Now, HP Network Automation (HPNA), Bluecat address manager, IPAM, Orion

Wide Area Application Services: Riverbed Steelhead

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7 etc)

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta, GA

Global Network Engineer

Responsibilities:

• Responsible for LAN assessment and remediation of all company network sites around the world.
• Design & Implementation of new hardware devices in LAN and WAN all over company sites
• Configuring 3850 and 2960X switches and stacking them for LAN remediation of all sites
• Participate in all vendors and service provider meetings of AT&T, British Telecomm and Granite
• Involved in migration of service provider from BT to AT&T around the world sites
• Implementation of FUZE hard and soft phones
• Performing network readiness tests for FUZE phones implementations
• Install, configure and troubleshoot nexus 7K, 5K and 2k platforms
• Setting up Layer-2 and Layer-3 technologies EIGRP/MPLS/BGP/STP/VPN/VPC/VDC
• Configuration and troubleshooting of F5 Load Balancers
• Resolutions of service request tickets at Tier 3 level in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Writing scripts to configure Cisco routers, switches, firewalls
• Working on Solar wind Orion,Perfmon and MRTG to monitor network
• Network traffic monitoring using Z- scalar
• Involved in configuration of CE and BT PE routers and switches
• Installation, Configuration and troubleshooting of Cisco Wireless LAN Controller 5508 and Cisco 2700 series Wireless access points.
• Writing Root Cause Analysis (RCA) for major incidents
• Subnetting and IP address allocations and IPAM management
• Configuring DHCP and RADIUS for various IP schemes of company
• Creating network objects and adding rules on Checkpoint firewall
• Working as main point of contact for all issues and outages
• Utilizing Service Now as incident and change management system
• Documentation and inventory control of routers and switches
• Configuration and monitoring of Riverbeds

Confidential, Atlanta, GA

Senior Network Engineer

Responsibilities:

• Participating in operations of the network components in a multi-tenant data center for external customers as part of a team.
• Providing detailed schematics of project and work with other engineers to provide an overall topology.
• Making technology decisions as they relate to the overall network architecture and associated technologies.
• Responsible for making solid recommendations on subjects that include redundancy, diversity, failover technologies and expandability as it relates to the network architecture.
• Documenting all designs and technology selections with the help from a technical writer.
• IP designing in a multi tenant and multi-data center environment.
• Perform IP management across the Confidential network and data centers using BlueCat address manager IPAM
• Creating, updating and coordinating the implementation plan for all network related items.
• Writing MOP's for changes to be implemented.
• Configuration and troubleshooting to F5, Cisco ACE and Foundry Load Balancers.
• Install, configure, and maintain F5 hardware, software, devices and appliances.
• Troubleshoot F5 network problems and coordinate with various teams to facilitate F5 resolution
• Writing EEP’s (Engineering Excellence Programs) and presenting to project core technical teams for review
• Preparing scripts to configure Cisco routers and switches as per design requirements.
• Configure and support IP connectivity, VLANs, L2 and L3 VPN services for corporate customers
• Worked on Layer-2 and Layer-3 technologies EIGRP/MPLS/BGP/STP/VPN/VPC/VDC
• Planning, Designing and implementing LAN/WAN, Internet Gateway, Data Center, Disaster Recovery, MPLS VPN, BGP, EIGRP, HSRP, vPC in a large scale and complex network environment
• Adding prefix-lists, NATs, route maps and manipulating routing.
• Executing changes on nexus 7000, 6500 switches to fulfill projects requirements
• Nexus 7K, 5K code upgrade and VPC configuration implementation and preparation
• Preparing proposals and provided cost analysis for clients
• Engaged with Telco (Verizon and AT&T) to order circuits for clients
• Configuring half and fully managed VPN tunnels to various clients.
• Implementing DMVPN tunnels from spoke sites
• Design and Implemented Site-to-Site VPN between small sites and data centres
• Assisted in troubleshooting and fixing network outage
• Exposed to HP Network Automation ( HPNA) GUI interface for managing all devices
• Provided Network diagram using Visio, excel, PowerPoint, Word
• Using Service Now for change Management, Configuration management, Incident management, knowledge management, problem management and release management.

Confidential, Boston, MA

Network/Data Engineer

Responsibilities:

• Provide Level 2 Support for problems identified on network.
• Team member of AT&T T2 Service Assurance team providing 24X7 Network support
• Assist in escalating support for Associate Network Engineers and Network Engineers
• Identify, diagnose, and resolve network problems including network connectivity, traffic utilization, etc. using available network tools in a timely fashion.
• Provide support for all National Network Nodes within these national data centers such as IP routers, layer 3 switches and server farm load balancers.
• Troubleshooting network outages, provisioning new network nodes, change requests and decommissions.
• Participate in Bridge calls to resolve technical issues for highest customer satisfaction.
• Identifying sources of problems, and resolving configuration issues.
• Monitor Network elements, fault identification and management, performance reporting, real-time performance tuning, and capacity planning and analysis.
• Engaged with equipment and service vendors to support network operations.
• Provided network management services using NetBrain, Vital Net, Vital-Real-time, Net flow Cisco works and Wireshark sniffers
• Responded to client requests and notified them of network problems and the impact on customer's business.
• Implementation for various transformation projects, which will include troubleshooting complex network routing designs, interface with project teams, documentation and implementation.
• Configuration and troubleshooting of WAAS Riverbed steelhead WAN Accelerators devices.
• Upgrading of riverbeds using CMC
• Configuration of BGP attributes like weight, Local p, origin, As Path, MED and communities.
• BGP Route Reflectors, confederations, route-map, prefix-list configuration
• Executed BPDU Guard, root guard, port-fast, uplink fast and other spanning tree features on various layer 2 and Layer 3 switches.
• Configuration and troubleshooting of Cisco routers like 2800, 2900, 3800, 3900, 7200, 7600, ASR1k. Catalyst 6509, 4507 and Data center switches like 7k, 5k and 2k of nexus.
• Implemented BGP, OSPF, EIGRP, IGRP, RIP, CEF, MPLS, PIM, HSRP.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure
• Configuring ISP core network Blocks interconnectivity with RIP & EIGRP routing protocols
• Reviewing Firewall Logs and Incidents handling and reporting
• Generating and troubleshooting configurations for site-to-site & Remote VPN connectivity. Also configuring GRE tunnels for virtual routing on the Customer Premises Equipment (CPE).
• Implementing VLANS, SNMP, HSRP, Spanning Tree, Inter-VLAN Routing, VTP and BGP & EIGRP Authentication
• Configured VPN’s (FWSM, VPN Concentrator, Firewall) with pint-to-point VPN tunnels and restricting the access to specific application Servers with Access Control
• Configuration and troubleshooting of Layer 2, Layer 3 and Multilayer switching technologies such as Vlan, trunks, RSTP, MST, Private Vlan, Layer 2& 3 Ether channel and Port channel, and Layer 2 access control mechanisms.
• Configured Protocols such as STP, RSTP, PVST, MSTP, VLAN, LACP, PVLAN, VTP, UDLD, 802.1q, RSPAN and SPAN
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Installation and Configuration of Cisco Catalyst switches 6500, 4500, 3750 & 3550 series and configured routing Protocols OSPF, EIGRP with Access Control lists implemented as per Network Design Document.
• Configuration, maintenance and troubleshooting of MPLS networks
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Racking, stacking, configuring NEXUS 5K and 2K and 7K.
• Used BGP for verifying various traffic policies and influencing outgoing, incoming traffic using BGP attributes such as Local Pref., AS Path, Med, Weights.
• Configuration, Testing, Planning and Design of Cisco Routers, Cisco Catalyst 2900, 3570 and 6500 Switches and Cisco Wireless appliances.
• Troubleshooting F5 BIG IP and ACE 4710 load Balancers.
• Configuring Big-IP F5 LTMs (virtual servers, pools, S NATs, health monitors, irules) for managing the traffic and tuning the load on the network servers.
• Configuration, maintenance and troubleshooting of Riverbed steelhead.
• Applying inpath bypass rules on riverbed steelheads and participate actively in troubleshooting network for better user satisfaction
• Network monitoring and testing using Netbrain, Vitalnet, NetQos, Cisco Works and Wireshark.
• Documented and created templates using MS Visio and MS Office suite.
• Protocols used: IOS and Features, DMVPN, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, FTP,FTP, OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static Routing

Confidential

Network Support Engineer

Responsibilities:

• Assist Tier 2 in troubleshooting and problem resolution of network needs.
• Installation, maintenance and support of network hardware, security devices and network infrastructure devices including Cisco routers, switches and security firewalls, such as Cisco PIX/ASA
• Drive critical incidents to resolution with minimum downtime and impact
• Contribute in RCA delivery for P1 Incidents and Problem cases
• Collaborating with other engineers on proposed designs and implementations
• Identifying network problems, isolating root causes, and initiating corrective action
• Providing technical analysis to isolate issues and develop strategies to restore or activate services
• Troubleshoot network connectivity and configuration issues
• Monitor network performance and take steps to ensure efficiency and up-time requirements are met
• Maintain records necessary for network audit compliance. Ensure that network documentation is current.
• Configuring and troubleshooting the technologies like RIP, EIGRP, OSPF, BGP, PIM, DMVPN & MPLS.
• Mentor the Tier 1.5/2s from technology through knowledge sharing sessions
• Creating network diagrams to illustrate the physical links and a logical diagram to project the data traffic flow in and out of the datacenter
• Configuring routers, PIX, ASA firewalls for implementing security features such as Site-to-Site and Remote VPN, Pre-Shared Keys, IPSec/GRE tunnels, NAT/PAT, IDS/IPS, dot1x and AAA (RADIUS and Cisco proprietary TACACS for remote access and authorization.
• Configuration and troubleshooting of Layer 2, Layer 3 and Multilayer switching technologies such as Vlan, trunks, RSTP, MST, Private Vlan, Layer 2& 3 Ether channel and Layer 2 access control mechanisms.
• Configured networks using routing protocols such as RIP, EIGRP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Installation and Configuration of Cisco Catalyst 6500, & 3750 series switches
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Used BGP for verifying various traffic policies and influencing outgoing, incoming traffic using BGP attributes such as Local Pref., AS Path, Med, Weights.
• Configuration of Cisco Routers, Cisco Catalyst 2900, 3570 and 6500 Switches and Cisco Wireless appliances.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Configuring Big-IP F5 LTMs for managing the traffic and tuning the load.
• Network monitoring and testing using syslog, Netbrain and Net QoS, Cisco Works and wireshark