SUMMARY

• Network Engineer wif 8+ years of experience in IP network design, network integration, deployment, testing, and troubleshooting.
• Good knowledge of WAN technologies such as T1, T3, DS3, OCx, SDH, SONET, LTE, Fiber and Frame relay.
• In - depth knowledge and hands on experience in configuring and troubleshooting Layer 3 Interior Gateway Routing protocols like Distance Vector routing protocols (RIPv1, RIPv2 and EIGRP) and Link-State routing protocols (OSPF and IS-IS).
• Substantial knowledge in configuring and troubleshooting Exterior Gateway protocols such as BGPv4 including internal BGP (iBGP) and external BGP (eBGP).
• Hands on experience in configuring, and troubleshooting of high end Cisco routers like GSR 12000 series, 7500, 3800, 3600, 2800, 1800 series.
• Experience in configuring, and managing Catalyst Switches like 7600, 6500, 4500, 3700, 2900 series.
• Thorough experience in upgrading, backup and password recovery of Cisco IOS.
• Worked on Cisco Firewalls Cisco ASA 5500(5510/5540) Series and Checkpoint R75, 76 Firewalls.
• Designed, configured and installed new Cisco ASA 5515. Configured all the security protocols by implementing strict enforced access via ACLs, NAT, Class Maps, Policy Maps, VPN access to business resources.
• Configured Port based security, implemented 802.1x port based authentication.
• Experience in installing and configuring Checkpoint NGX R70.
• Experience in tools like SNMP, AAA, RADIUS and designed VPN wif IPSEC security layer.
• Experience working wif Cisco Nexus Switches like 5000 and 7000 series and Virtual Port-Channel configuration.
• Good experience in configuring the Nexus 5K Aggregation Switch and Nexus 2K Fabric Extenders.
• Implemented VDC, VPC, VRF and OTV on the Nexus 5505 and 7009 switches.
• Knowledge and configuration of redundant router protocols like HSRP, VRRP and GLBP.
• Thorough knowledge, including the configuration, of Spanning Tree Protocol (STP), Per VLAN Spanning Tree (PVST), Rapid STP (RSTP) and Rapid per VLAN Spanning Tree (PVST+).
• Extensive experience in configuring Virtual Local Area Networks (VLAN) wif IEEE 802.1Q, VLAN trunking protocol (VTP), VLAN Cross Connect (CC), Multiple VLAN Registration Protocol, and shortest path bridging.
• Experience in troubleshooting both connectivity issues and hardware problems on Cisco based networks.
• Extensive knowledge in testing Cisco routers and switches in lab scenarios and deploy on site for production.
• Knowledge of IPv4 and IPv6 Addressing, Fixed Length and Variable Length Subnet Masking (VLSM), OSI and TCP/IP models.
• Experience in migration of IPv4 addresses to IPv6 addresses using mechanisms like Transport Relay Translation (TRT), Tunnel Broker, NAT64, DS-Lite and DNS64.
• Experience in installing and configuring NAT, DHCP server and DNS in large networks.
• Hands on experience on LAN/WAN setup, installation, configuration and commissioning of network devices.
• Experience in configuration of LAN protocols such as Ethernet and Fiber Distributed Data Interface (FDDI) on Cisco Switches.
• Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations.
• Implemented traffic filters using standard and extended access-lists, distribute-lists and route maps.
• Experience in provided support that included resolving day-to-day operational issues wif tickets generated by a server.
• Deep knowledge on implementing F5 BIG-IP load balancer.
• Experience in implementation of F5 GTM based on topology load balancing methods
• Good experience in deploying BIG-IP F5LTM Load Balancers for load balancing and traffic management of business application.
• Experience in documenting and preparing the process related operational manuals.
• Knowledge of SNMP, IP SLA and Network Monitoring wif experience in tools like PRTG.
• Hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3, SONET POS OCX/ GigE circuits, Firewalls.
• Extensive experience wif F5 load balancers - LTM, GTM series like 6400, 6800, 5000 ad 2000 for the corporate applications and their availability.

TECHNICAL SKILLS

Routers: Cisco routers (ASR9k, GSR 12000, 7600, 7500, 7200 VXR, 3800, 3700, 2800, 2600, 2500), Cisco L2 & L3, Juniper routers (M7i, M10i, M320)

Switches: Cisco Switches (6500, 4000, 3750, 3560, 2960), Nexus (2248, 5548 &7010)

Firewalls: Cisco ASA 5500, Cisco PIX 500, checkpoint r60, checkpoint r65, Juniper SSG Firewalls.

Load Balancing: Cisco ACE 4700 series, F-5 BIG-IP LTM (3900 and 8900), Blue Coat SG8100, AV 510, AV810.

IP Routing Protocols: RIP, EIGRP, IGRP, OSPF & BGP, Route Filtering, Redistribution, Summarization, Static routing, IS-IS.

WAN Technologies: FRAME RELAY, ISDN T1/E1, PPP, ATM, MPLS, leased lines, DSL modems.

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, NAT/PAT, FDDI. Cisco

Optical infrastructure: SONET OC3-OC192, SDH, POS, PDH

VoIP Devices: Cisco IP phones, Cisco 5500, 6500 series controller, Avaya 3000, 6000, 7200 series Controllers

Routing Protocols: BGP, OSPF, EIGRP, IGRP, RIP v1 & v2, IS-IS.

Switching Protocols: STP, IEEE 802.1Q, VTP, VLAN & Inter-VLAN routing, QoS, MSTP, RSTP, and LACP.

Network management: SNMP, Cisco Works LMS, HP Openview, Solar winds, Etheiral.

Layer 3 Switching: CEF, Multi-Layer Switching, Ether Channel.

Carrier Technologies: MPLS, MPLS-VPN.

Redundancy protocols: HSRP, VRRP, GLBP.

Security Protocols: IKE, IPsec, SSL, AAA, Access-lists, prefix-lists

Wireless Technology: Cisco AP, LWAP, Access Points, WCS

Ticketing software: Connect Wise, Remedy system, ServiceNow.

Operating Systems: Windows Server/8/7/Vista/XP, Nexus OS, Cisco IOS-XR, Linux, Unix (Mac OS).

Language: Unix, Turbo C / C++, basics in Perl and Shell scripting.

Cabling: CAT 5, CAT 5e, CAT 6, CAT 6a002E

PROFESSIONAL EXPERIENCE

Confidential, Washington, DC

Sr. Network Engineer

Responsibilities:

• Thorough experience in Configuration and troubleshooting of Cisco Routers such as Cisco 3640, Cisco GSR 12416,21418(wif PRP and RPR processors), Cisco catalyst 6509,7613 wif supervisor cards.
• Good Experience wif Firewall Administration, Rule Analysis, Rule Modification.
• Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance.
• Expertise in maintaining layer2 switching tasks like VLAN, VTP, STP, RSTP, PVST, RPVST, configuration of ether channel wif LACP and PAGP along wif troubleshooting of inter-VLAN routing.
• Great experience in configuring PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Configuration of the Nexus 2248 Fabric Extender (FEX) module on the Nexus 5000 to connect servers and storage devices.
• Expertise in configuring FWSM on cisco 7600 router so as to reduce costs and operational complexity while enabling organization to manage multiple firewalls from the same management platform.
• Implemented redundancy for Routers, Switches and Firewalls.
• Experience wif Project data and voice documentation tools & experience wif developing network design documentation and presentations using VISIO
• Experience working on different monitoring tools Q radar, Zenoss and Net scout to analyze and resolve the issues.
• Worked wif multiple customers over a period of time to enhance their network, resolve and do the RCA (root cause analysis) for in service production problems and create work around for known IOS issues.
• Configured various Router interfaces like ATM interface, T3 interface, and Channelized T1 interfaces
• Involved in IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
• Experience working wif NCM and Infoblox
• Replaced old 6500 and WAN routers from DR testing site and Installed Nexus 7K and ASR 1006 routers.
• Commissioning and decommissioning, configuring, URL and Web filtering, SSL Certificates, monitoring, SNMP traps, logging, blocking on Palo Alto devices, migrating from one network to other.
• Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, firewalls, IPS and ensuring maximum uptime during site deployment to VoIP..
• Working on HP open view map for Network Management System and Ticketing
• Configuration was running and completed in timely manner. Configure policies and enabled rules to alerting on intrusion events.
• Provide solutions to Tier 1/2 escalated issues and tickets.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Worked in projects converting P2P circuits into MPLS circuits, commissioning and decommissioning of the MPLS circuits for branch offices.
• Configuring and resolving various OSPF issues in an OSPF multi area environment,
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices & POPs.
• GRE tunneling & Site-to Site VPN configuration between other two sites in USA.
• Responsible for entire LAN and WAN/WLAN maintenance and troubleshooting of the company network. Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the requirements of the organization.

Environment: Cisco 7200, 7204, and 7206 Routers, Switches: Cisco Distribution layer switches such as 4510, 4948, 4507, 7k, 5k and 2k series. Firewalls 5GT, 208, EIGRP, RIP, OSPF, CISCO ASA, DHCP, DNS, SAN, Spanning tree, Windows Server, Windows NT

Confidential, Newark, NJ

Sr. Network Engineer

Responsibilities:

• Responsible for service request tickets generated by the halpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes wif all around technical support.
• Responsible for supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Upgraded Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
• Performed L2/L3 Switching Technology Administration which included creating and managing of VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Responsible for configuring switches wif port security and 802.1x for enhancing customer’s security.
• Worked on the security levels wif RADIUS, TACACS+.
• Configuring Big-IP F5 LTMs (virtual servers, pools, SNATs, health monitors, iRules) for managing the traffic and tuning the load on the network servers.
• Updated the HP open view map to reflect and changes made to any existing node/object.
• Responsible for Handling SRST and implementing and configuring the Gateways, Voice Gateways.
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Configuring STP for switching loop prevention and VLANs for data and voice along wif Configuring port security for users connecting to the switches.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Handled Tech Support as it relates to LAN & WAN systems
• Implementation and Configuration ( Profiles, me Rules) of F5 Big-IP C2400 load balancers
• Experience in completing service requests (me.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
• Identify, design and implement flexible, responsive, and secure technology services
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Validate existing infrastructure and recommend new network designs.
• Created scripts to monitor CPU/Memory on various low end routers in the network.
• Installed and maintained local printer as well as network printers.
• Handled installation of Windows NT Server and Windows NT Workstations.
• Responsible for designing and implementing Cisco VoIP infrastructure for a large enterprise and multi-unit office environment.
• Gave my best to meet challenging schedule to ensure a Multi-office reconfiguration project which was successfully delivered wifin given time frame.

Environment: Net Flow,TACACS,EIGRP,RIP,OSPF,BGP,VPN,MPLS,CSM,SUP720, Ether Channels, Cisco 7200/3845/3600/2800 routers, Fluke and Sniffer, Cisco 6509/ 3750/3550/3500/2950 switches, Checkpoint firewalls(SPLAT).

Confidential, Farmington Hills, IL

Network Engineer

Responsibilities:

• Responsible for configuring Switches wif proper spanning tree controls and BGP routing using community and as path prepending attributes.
• Implemented VLAN, Spanning Tree and support using PVST, R-PVST and MSTP to avoid loops in the network.
• Work in an enterprise network environment wif dynamic routing using OSPF and BGP for external connectivity.
• Responsible for working wif BGP routing protocol for communication wif business partners and influence routing decision based on AS Path Prepend and other attributes.
• Responsible for configuring static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution, Overlapping Address Translation.
• Involved in the LAN/WAN level 3 support (diagnose and troubleshoot layer 1, 2, 3 problems) .
• Responsible for Firewall upgrades as well as Troubleshooting, Security Configurations, IPSec VPN Implementation and Troubleshooting, DMZ Implementation and Troubleshooting.
• me was also responsible for PIX 7.x/8.x & ASA 8.x Firewall migration and in place hardware upgrades and Troubleshooting, IOS Security Configurations, IPSec VPN Implementation and Troubleshooting, DMZ Implementation and Troubleshooting.
• Configured Firewall logging, DMZs and related security policies and monitoring.
• me did IOS Upgrades from 7.x to 8.x as well as backup and recovery of configurations.
• Installed Windows Server 2003, configure IP addresses, network printers and configure Client Access for PCs.
• Deployed a Syslog server to allow proactive network monitoring.
• Implemented VLANS between different departments and connected them using trunk by keeping one Vlan under server mode and rest falling under client modes.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Administered and supported Cisco based Routing and switching environment.
• Responsible for Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay).
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.

Environment: PIX, CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS, SAN, Spanning tree, Nimsoft, Windows Server, Windows NT.

Confidential

Network Engineer

Responsibilities:

• Responsible for configuring access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration.
• Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches.
• Responsible for configuring Static, IGRP, EIGRP, and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
• Configuration and troubleshooting of EIGRP, OSPF, BGP.
• Configured, installed software applications, anti-viruses, drivers and security software on user devices, maintained and troubleshoot desktop, laptop and peripheral equipment.
• Configured inside ACL and interfaces, outside ACL and interfaces.
• Responsible for configuring Site-to-Site IPsec VPN tunnels to peer wif different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Perform hardware and software diagnostics, fault isolation and coordinate repairs and/or replacement of faulty equipment.
• Maintain logs of network and bandwidth utilization of servers and network devices and create utilization report based on the logs
• Design network and create physical and logical network layout diagrams
• Write and maintain technical documents describing implemented technologies and architecture
• Configured VLAN’s, Private VLAN’s.
• Configured NAT and PAT policies.
• Design OSPF areas for reliable Access Distribution and for Core IP Routing.
• Extensively used TCP/IP tool like TELNET for remote login to the routers and SSH for secure login.
• TEMPHas expertise in LAN/WAN technologies (fast Ethernet, Layer2 & 3 switched/routed LAN, and Frame Relay).
• Responsible for providing consultation services to clients for installing and configuring Cisco routers and switches.

Environment: Cisco Routers ASR1002X/ 3945/3845/2800/3600, Load Balancer (BIG-IP), Cisco ASA Firewalls, STP, VLAN, VTP, VPN, NAT, OSPF, BGP, EIGRP

Confidential

Network Engineer

Responsibilities:

• Responsible for providing high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. dis included external routing and internal/intranet routing for DMZ servers.
• Configured EIGRP, BGP, and MPLS.
• Configured Firewall, QOS by SDM and provide security by Prefix list, Access- List and By Distribution List.
• Good experience in implementing new ultra-secure networks in multiple data centers that included Cisco, Juniper security devices.
• Implemented cable multi-service operator (MSO) to capture traditional Telco subscribers wif IP telephony and provide relevant QOS.
• Scheduled preventive maintenance for fire-protection systems, including new protocols. Utilize MS Windows, Word, and Excel for reporting/documenting process.
• Designed VLAN’s and set up both L2 and L3 logical to have it communicate to the Enterprise network.
• Satisfactorily Resolved Problems in timely manner wif focus on providing a high level of support for all customers.
• Moved Core switches and several non-Cisco devices under strict deadlines to maintain network functionality.

Environment: Cisco 2950 switches and Cisco 3825 Routers, EIGRP, BGP, MPLS, VLAN, QOS.