SUMMARY

• Above 7 years of experience in computer network and security Implementation, Configuration, Trouble Shooting and maintaining Enterprise Networks by working with multiple vendor Routers, Switches and firewalls. Multiple Cisco and Juniper s adds to the benefit.
• Experience with design and deployment of MPLS Layer 3 VPN, MPLS Traffic Engineering, MPLS QOS
• Diverse industry exposure - telecom, consumer goods, health care and IT consulting
• Experience with F5 GTM/LTM 8950 and VIPRION configuration/installation/support.
• Extensive experience in configuring Layer3 routing and layer2/3 switching of Juniper & Cisco based J2320,MX,EX,2950,2960,3600,3750,4500,6500,1700,1800,2600 and 3700 series routers & Switches.
• Experience in installing, configuring and troubleshooting of Checkpoint Firewall and Juniper SSG series.
• Experience in adding Rules and Monitoring Checkpoint Firewall traffic through Smart Dashboard and Smart View Tracker applications.
• Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series)
• Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800)
• Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
• Experience working with ARISTA switches like 7100, 7500 for cloud computing, datacenter and low latency networks
• Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches
• Technology and Infrastructure consultant for Cisco and Juniper design and implementation projects. Experience working with different routing RIP, OSPF, BGP, EIGRP, ISIS
• Extensive experience using Microsoft suite like Word, Visio, Excel, PowerPoint
• Excellent technical and project management skills combined with strong communication skills
• Good knowledge ofIP Addressing, Subnetting, VLSM, ARP, OSI and TCP/IP models.
• Working knowledge with monitoring tools like Solar Winds & network packet capture tools like Wire-shark
• Well experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.

TECHNICAL SKILLS

Operating Systems: Microsoft Windows 9X/ME/2K/XP/Vista, Windows Server, Red Hat Linux, Macintosh, Cisco IOS, Junos OS, Solaris Unix. Junose, ScreenOS.

Networking Concepts: Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi

Firewall: Juniper SSG, Cisco Firewall PIX535/ ASA 5520 series.

Network Tools: IXIA, Bugzilla, Wireshark, Ethereal.

Physical Layer: ISDN, SONET, T-Carrier (T1, T3), RS-232

Link Layer: Ethernet, FDDI, HDLC, L2TP, PPP, STP, VLAN Trunking

Link + Network: ATM, Frame Relay, MPLS, X.25

Network Layer: IP, IPv6, OSPF, BGP, EIGRP, ARP, RARP, RIP, RIP2, PPP, POS, ATM, VLANs, OSPF, IS-IS, BGP4

Transport Layer: TCP, UDP, RTP

Application Layer: FTP, HTTP, DNS, DHCP, SMTP, SNMP

Tunneling Protocols: L2TP, IPsec, PPPoE, GRE, MPLS, IEEE 802.1Q

Authentication Protocols: PAP, CHAP

Network Devices: Routers, Switches, Hubs, Cables/Trunks, terminating equipmentro

Hardware Equipment: Signal Generators, Oscilloscope, Network Analyzer, Power Meters, Spectrum Analyzers

Languages: Perl, C, C++, SQL, HTML/DHTML

EDA Simulation Tools: MATLAB, PSPICE, Lab View, Verilog, OPNET, Packet Tracer

General: Cabling network devices, password recovery, disaster Recovery, ROMmon mode, upgrading IOS versions

PROFESSIONAL EXPERIENCE

Confidential, Thousand Oaks, CA

Sr. Network Engineer

Responsibilities:

• Plan, Design and assist 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/NATing with the firewalls as per the design.
• Working Knowledge in SS7 Networks.
• Working Knowledge of GSM, CDMA, GPRS. Call flows of GSM & CDMA, GPRS.
• MNP Knowledge, configuration of EPAP, Understanding GSM & CDMA Call flows with MNP Implemented.
• Working Knowledge Siemens EWSD Power Node & Classical Node Switch, Metasolv, HP Open View, Siemens Net Manager.
• Worked On Unix, linux, Windows Platforms and also involved in capacity planning of Network Maintenance.
• Configuring routing protocols OSPF, EIGRP,RIP, MPBGP, LDP and BGPV4.
• Experience with design and implementation of Data center migration at NBC Universal
• Data center migration was involved in Access, Distribution and Core layers.
• Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks. Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital s, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Configured various BGP attributes such as Local P, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• 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.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Configuring Vlan’s, VTP’s, enabling trunks between switches.
• All the Operation & Maintenance of Siemens EWSD Power Node & Classical Node Switch.
• Involved in the Commissioning & Testing & Integration of new L2 TAX Exchange.
• Hands on switch activity like ODAGEN Expansion, STMI Expansion, Database creation & software loading of LTG’S, Routine Saving, Quarterly Saving, Advanced Quarterly saving, AMA Transfer dumping & Processing of CDR, Announcement loading in the Exchange, Creation of new POI’s.
• Involved in doing new connectivity with 19 different Back Bone Switches located in different branches & opened the traffic for all these Switches.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors).
• Experience working Juniper T-Series, M-Series, MX-Series, J-Series Routers.
• Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Experience in working with Cisco Nexus 5000 series switches for data center.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Created MOPS and get approval from peers to perform configuration add/ remove changes.
• Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Config, Assigning dhcp profiles.
• Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
• Excellent Troubleshooting Skills and Customer Centric approach.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 00/3845/3600/2800 routers Cisco Nexus7K/5K, 2248/3560/5020/6509 , Cisco ASA5510, Checkpoint, Aruba Controllers 6000, 3600, 3400,650.

Confidential, Winston-Salem, NC

Sr. Network Engineer

Responsibilities:

• Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
• Experience with migrating from OSPF to BGP WAN Routing protocol
• Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with PIX Firewalls
• Network Redesign for Small Office/Campus Locations. This includes changes to both the voice and data environment
• Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches
• Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer
• Experience with moving data center from one location to another location, from 6500 based data center to Nexus based data center
• Experience in communicating with different customers, IT teams in gathering the details for the project
• 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, ASA Firewalls, and MPLS switching for stable VPNs
• Redesign of Internet connectivity infrastructure for meeting bandwidth requirements
• 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 BPDU Guard, port-fast, uplink fast and other spanning tree features
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers
• Experience with Juniper SRX 240 Firewalls
• Experience in WAN technologies like T1/T3, DS3,STM1 and STM4 circuit types
• Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall
• 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 Register
• Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring

Environment: 6500/3750/3550/3500/2950 switches, Juniper (M320, T640), Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.

Confidential, San Diego, CA

Network Support Analyst

Responsibilities:

• Responsible for monitoring and reporting error incidents for remote location servers
• Create tickets for cloud database servers using Maxima Cloud and MS. Leigh tools
• Worked as L1 network (NOC) Engineer support and responsible for escalation of Redstone ISP client’s issues
• Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, RIS, RRAS, NAT, WSUS, Microsoft Clustering, Exchange Mail Server and ISA Server installation, configuration and maintenance
• Installed, Configured and Implemented Terminal Server (TS) Remote App on IIS 7.0 Windows 2008 R2 published applications using TS Web Access, Remote App program and TS Gateway
• Implemented Microsoft Clustering for IIS Web Servers
• Installation, configuration and maintenance of Windows Servers 2003 and 2008
• Responsible for maintaining Active Directory applications
• Installation and configuration of DNS, DHCP, IIS WEB and FTP servers
• Responsible for report generation of Daily, weekly to tape, differential and incremental, and Monthly backups of remote database servers.
• Through presentations at client sites, enabled them to meet various technical standards related to IPv6 and their technology enhancements
• Experience testing and troubleshooting layer1 circuit, layer 2 devices and WAN connections establishment and protocol debugging
• Experience in WAN connectivity using Cisco routers by using T1, T3 and frame relay connections and its troubleshooting issues.
• Liaison with ISPs related to circuit problems; raised tickets with Remedy ticketing system and related Remedy to HP OpenView system
• Monitored the ticket queue for incoming tickets; updated tickets in accordance to Service Level Agreement requirements and escalated based on severity levels using Remedy
• Performed troubleshooting of routers, and installed and configured Cisco Multi Layer Switches like 3550.
• Resolve DNS issues; add Zones and domain addresses to the configuration files and the daemons on the live servers.
• Installation and support of desktops with Windows 2000 and Windows XP Operating system.
• Provide Remote support and administration on network for internal and external clients using tools like Microsoft remote desktop connection.
• Provide day to day support (troubleshooting & installing) for more than 200 users for hardware, network & software's including Microsoft Office applications, Mail clients and network related issues.

Environment: Cloud (SaaS) Server support, Citrix desktop, Microsoft Windows servers 2003/2008, Active Directory 2003/2008, TCP/IP, WINS, DNS, DHCP, FTP, LDAP, IMAP

Confidential

Network Admin

Responsibilities:

• Provided level 2-3 network support at site locations in Data Centers across the US
• Troubleshot and triaged network faults by analyzing network architecture and design from both a physical and logical standpoint.
• Available 24x7 and participate in rotational on call within teams as needed for resolution, system maintenance and incidents.
• Familiar with Cisco CSMARS, Catalyst 6500 Series/ 7600 Series ASA Service Module and Intrusion detection system IDSM-2 meta event generator to prevent attacks such as denial of service (DoS) atta
• Supported low-latency networks and financial industry network architecture
• Cisco products/hardware including Nexus 7k, 5k and 2k switches
• IOS upgrade in Nexus 7010 through ISSU (In service software upgrade)
• Troubleshot VLANs, VDCs, Ports Virtual port channel (vPC) and configuration on Nexus 7k
• Troubleshot unicast and multicast traffic on Nexus 7k
• Troubleshot Nexus 5k switch crash and SPAN configuration
• Configured VLANs, VLAN Trunking with 802.1Q, and Ether Channel for redundancy across distribution layer switches.
• Troubleshoot network issues primarily from OSI layers 1, 2, 3 standpoint.

Environment: Juniper routers J2350, M10, CISCO routers 2600, 2800, 3200, Apache, UNIX, Active directory, IPS, VLAN, IDS, STP, VPN, Windows Server, Windows NT.

Confidential

Network Engineer

Responsibilities:

• Configured CIDRIP 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
• Troubleshoot traffic passing managed firewalls via logs and packet captures
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• 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.
• Worked with telecom vendors in regards to network fault isolation.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Installed different software on the systems. Install and managing network devices including Hubs, Switches.
• Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope
• 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
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Estimated Project costs and created documentation for project funding approvals.
• Planned resources and presented project status to higher management.
• Deployed 7613 as PE and CE router and Configured and troubleshoot the Edge Routers.
• Configured egress and ingress queues for ISP facing routers using CBWFQ.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Ability to analyze, configure and troubleshoot networks

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

Confidential

Network Engineer

Responsibilities:

• Provided port binding, port security and router redundancy through HSRP.
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
• Provided testing for network connectivity before and after install/upgrade
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
• Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
• Worked on HSRP for hop redundancy and load balancing.
• Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
• Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Routing protocols OSPF, RIP & BGP
• Implementation of name resolution using WINS & DNS in TCP/IP environment
• Configured FTP server for inside/outside users & vendors

Environment: Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, and Vulnerability Assessment tools like Nessus, Red Hat, Solaris, Juniper VPN’s, and SSL.