SUMMARY

• Cisco Certified Network Engineer with seven years of experience in the industry, which includes expertise in the areas of Routing, Switching and Firewall
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems
• Implementation traffic filters on Cisco routes using Standard, extended Access list
• Expert Level Knowledge about TCP/IP and OSI models
• In - depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services
• Worked on functional understanding of DNS DDOS, DOS threats, mitigation techniques and DNSSEC.
• Extensive Knowledge on the implementation of Cisco ASA 5500 series and checkpoint R 75 firewalls
• Hands on experience working with Cisco Nexus 7K, 5K & 2K Switches
• 5 Years of experience on Windows server 2008, Server 2012.
• Worked on NXOS, IOS, and IOS-XR BXB to N7K-NXOS (MPLS) system test
• Experience in F5, Cisco ACE 4710 Load balancers
• Experience and programming knowledge of C, C#, LINUX.
• Experience in working with load balancer for converting CSS to ACE
• Extensive network monitoring skills using Wireshark.
• Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 3400, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches
• Maintained Microsoft Active Directory, Exchange, System Center Configuration Manager (SCCM), and other Microsoft Enterprise Services.
• Project management skills with the ability to manage a networking team.
• Experience in working with Windows power shell scripting to maintain and administrating server environments
• Created/maintained Active Directory user and computer accounts, and ensured that they were in the correct Active directory Organizational Units (OU's), and added them to the correct groups for software distribution and group policy application.
• Aruba server products, Aerohive, Airwave, Aruba AP-135, 105, 125, 124, 134, RAP2/3/5, Juniper Wireless, AirMagnet Site Survey, Wi-Fi Spectrum Analyzer.
• Experience with Layer 2 and Layer 3 protocols like LDP, LACP, STP, RSTP, RSVP/ TE, QOS, COS L2 VPWS and VPLS, FRR
• Allocation and designing appropriate virtual IP for F5 ADC through IPAM InfloBox.
• Technically proficient in Installation, Configuration in Cisco/Juniper switches, Cisco/Juniper routers, Cisco Access Points, Cisco ASA firewalls, Check Point Firewalls, Brocade ADX, Palo Alto Firewalls and F5 Load Balancers
• Experience on Virtual Private Network (VPN) for operating Network and Data Center
• Experience with Internet/Intranet Networking Protocols and Services
• Excellent qualities such as Teamwork, Negotiation, Analysis and Communication

TECHNICAL SKILLS

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

Networking Hardware: Cisco Switches, Aruba wireless controllers, Cisco Routers, ASA/Pix firewalls, VMware, IronPort, HP switches

Routing Protocols: OSPF, IGRP, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting

Security Technologies: PAP, CHAP, Cisco PIX, Blue Coat

Network Monitoring: Cisco Works 2000, Riverbed, Wire Shark, HRPing, Finisar

Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR,C

Routers: CISCO 2600, 2800,3600,3800,7200, Juniper M & T Series, Cisco CRS-1, CRS -3, GSR Capacity & performance IXIA, Spirent, Cisco works, IPerf, IXChariot

Switches: CISCO 2900, 3500,4500,5000,6500, Nexus 7k,5k,2k

Routers: ISR routers 2800, 2900, 3800,3900

Programming Languages: C, C++, SQL, MS VISIO.

Simulation Tools: Qualnet Developer, OPNET IT GURU, Riverbed, OPNET Modelar, Cadence, Finisar.

Firewalls: juniper net screen(500/5200), Juniper SRX (650/3600), Pix(525/535), ASA (5520/5550/5580 ), McAfee Web Gateway

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Features & Services: IOS and Features, HSRP, GLBP,IPAM IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management, Open Stack, IVR’s, HLD and LLD documents, Dell equal logics

PROFESSIONAL EXPERIENCE

Confidential, Herndon, VA

Sr.Network Engineer

Responsibilities:

• Responsible for Crossroads rollout LAN/WAN problem determination and diagnosis, provide project leadership (onsite, offsite)
• Working with local IT personnel on troubleshooting, problem determination, diagnosis of performance issues, bandwidth issues, throughput traffic prioritization to improve overall application response time across WAN
• Worked on MPLS for redirecting data from one network node to another network node based on the shortest paths
• Troubleshoot connectivity issues involving VLAN's, OSPF, QoS to improve the performance and reduce elements such as jitter.
• Excellent knowledge and understanding of MPLS VPN for both IPV4 and IPV6 and configuration of both VPNV4 and VPNV6 VRF instances.
• Configuration and installation of LAN switches and wireless network infrastructure equipment and cabling all uplink and user network connections
• Isolated and corrected issues related to burst of traffic, where traffic shaping needs to be implemented also identify QOS issues.
• Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPSec, VPN etc
• Deployed Cisco Catalyst 6500, 4500, 4000, 3750, 3850, 3560 (Layer 2 through 7)
• Fulfilled a critical role as the primary contact for testing of remote network elements within the monitoring systems of the NOC
• Working along with the Security Incident Response Team in various cases like DDoS mitigation, phishing attempt, black holing IPs and other Security Related issues.
• Installed and troubleshoot cisco call manager voicemail 7.0, 8.2 and unity 7.0,8.
• Extensive knowledge of Data center core implementation through Cisco Application Centric Infrastructure (ACI) with Nexus 9000, 5000, Fabric Interconnect and FEXs.
• Designed and implemented QOS and QPM in a wireless, SATCOM, and fixed-wire communication for a greater network performance.
• Studied and closely monitored the network performance and development of various layer 2 protocols such as STP, RSTP, VTP, VLAN, QoS, CoS and LACP.
• Fine-tuned Cisco VoIP infrastructure for optimal QoS and availability on a multisite WAN with distributed call processing (MGCP, H.323, T1 trunks)
• F5 BigIP LTM/GTM load balancer appliance management to include new builds, OS upgrades, and Application Migration.
• Supported project and various tasks on managing the team of professionals.
• Deployed and configured Cisco ASR 1000, 7000, 9000 series routers
• Also worked with Extreme networks wireless devices like Access points AP3705, AP3610
• Experience in working with Nexus OS, IOS, CATOS and Nexus 7K, 5K & 2K Switches
• Configured and installed VOIP devices and IP Phones such as 7940, 7942, 7960, 7961, 7971G-Ge, 7975G IP phones of 7900 series.
• Configure and install Meraki MX64W and Z1 Firewalls.
• Hands on experience and working knowledge of development of layer 3 protocols such as EIGRP, OSPF, ICMP, BGP, and MPLS.
• Used Cisco ACI (Application Centric Infrastructure) SDN architecture to reduce operating costs, automate IT tasks, for greater scalability and visibility in a data center environment.
• Used Cisco ACI Fabric which is based on Cisco Nexus 9000 Series Switches and the Cisco Application Virtual Switch (AVS)
• Involved in designing, implementing and reviewed network performance QOS and policy map to 2800 series routers for all the branches.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s stage
• Performing network deployment & troubleshooting tasks such as creation and management of VLANs, port security, trunking, STP, RPVST+, Inter-VLAN routing and LAN security.
• Worked and performed troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, and BGP. Ability to interpret and resolve complex route table problems
• Work with Protocol Analysis, EHealth, Sniffer, Session Trace, Packet Capture, Iris View and Wireshark tools
• Worked with ITIL(Information and technology information library ) for managing our services
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems

Confidential, Thornton, CA

Sr.Network Engineer

Responsibilities:

• Involved in configuring and implementing of composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches
• Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links.
• Isolated jitter and other factors to improve performance on VOIP call quality using QoS.
• Working technical knowledge of Confidential PBX, voice mail, interactive voice services, call management systems, and telecommunications accounting systems
• Participated in the installation, configuration, post installation daily operational tasks and configuration and deployment of Cisco Nexus equipment
• Designed 10 gigabit networks using Cisco Nexus 7000 series switches, and Cisco 3800 series routers
• Implemented traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF)
• Worked with Host Master for shared web hosting
• Worked with Processes like RFI, RFE and RFP
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.
• Install, configure and implement IPv6 in Firewall, Switches, Servers, PC.s, MACs, and Linux
• Experience in working with Network automation tools and testing for network change and configuration management
• Used various scanning and sniffing tools like packet sniffer.
• Escalating outages to NOC, and all other issues to business services and other MSO's
• Supported Cisco WLC 5508, ASAs, 6500 VSS, 3750s Stack, Meraki APs & switches.
• Performed basic security and ACL administration on Juniper SRX firewalls. That includes day to day rule deployment, troubleshooting using data flow analysis and packet capture.
• Configuration of Access List ACL (STD, Ext, Named) to allow users all over the company to access different applications and blocking others
• Expertized in Networking monitoring through Riverbed, Wireshark & SolarWinds Analysts
• Experience working with Riverbed in WAN optimization.
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path
• Worked with Cisco IOS, NX-IOS, IOS-XR
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local preference
• Analyzed Network Traffic Latency issues and modified Riverbed for Resolution
• Configured Riverbed In-Path and Peering Rule creation
• Riverbed SNMP Polling, SNMP Traps, NFA implementation & troubleshooting.
• Worked with Nagios for monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH)
• Review enterprise QoS policies and configurations on all networking devices.
• Corrected QoS to improve VoIP/VoIP Video performance and eliminate lost packets in the enterprise network.
• Primary responsibility is to design and deploy various network security & High Availability products like Cisco ASA other security products
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs in the network

Confidential, Dallas, TX

Network Engineer

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services
• Coordinated efforts with Engineer’s to ensure all network devices conformed to defined network standards
• Documentation of both networks using Microsoft Visio.
• Configuration of Access Control Lists (ACL), Quality of Service (QoS), VPN, NAT/PAT policies.
• Worked with MSC- Microsoft system center manager
• Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing
• Provided configuration of STP and Port Security on Catalyst 6500 switches
• Configure the Cisco CRS-1 Routing System, back out of configuration changes, and restore older versions of a configuration
• Troubleshooting of Cisco 2800,2900, 3900, 7200, 7600, Series routers
• Configure the Cisco IOS XR security features in both owner SDR and non-owner SDRs
• Configure legacy route map configurations using the new Cisco IOS XR Routing Protocol Language (RPL)
• Worked with Juniper net Screen 500/5200 and also juniper SRX 650/3600
• Worked on Fiber channel over Ethernet (FCOE) for connecting 10gigabit Ethernet networks
• Maintaining Core Switches, creating VLANs and configuring VTP
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs
• Experienced working with Tomcat and Apache servers in troubleshooting network issues for our internal server teams
• Worked with Enterprise Intrusion Detection / IPS (Snort, Source fire, Juniper IDP, IBM ISS, McAfee Intrushied)
• Designed on - premise IVRs for integrating with the ACD and CRM systems to ensure maximum

Confidential

Network Engineer

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services
• Coordinated efforts with Engineer’s to ensure all network devices conformed to defined network standards
• Executed BPDU Guard, port-fast, uplink fast and other spanning tree features on various layer 2 and layer 3 switches
• Worked on video from end-point in the network
• Troubleshooting advanced Riverbed Issues and settings
• Configured and optimization settings of Riverbed.
• Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers
• Configured static NAT, dynamic NAT, dynamic NAT overloading
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems
• Worked on a broad range of topics such as proactive monitoring and maintenance, disaster recovery exercises, and core network repairs
• PGW, XGW and SGW configuration on 4G LTE, CDMA, WCDMA network
• Route configuration and point code checks for System Technician and Network Technician
• Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology
• Worked with other team members in testing of the network architecture
• Participated in quality system implementation project
• Configure wireless routers on enterprise network