SUMMARY

• Over 7 Years of Extensive experience in Cisco Switches and Router Configuration
• Experienced CiscoNetworkEngineerwith System &Networkanalysis, design, implementingcapacity planning with focus on performance tuning and support of largeNetworks.
• Experience in Cisco Routing and Switching using3600, 3700, 3800,4500, 5300, 6500, 7200,Nexus 7k& ASR 9000 series routers
• In - depth knowledge and experience in WAN technologies including SONET Ring, OC3, E3/T3, E1/T1, ISDN, HDLC, Point to Point, ATM, MPLS and Frame Relay.
• Strong technical knowledge of TCP/IP; routing protocols like EIGRP, OSPF, RIPv2, BGP, IGP, MPLS; switching protocols such as VLAN, VTP, STP, RSTP and redundancy protocols such as HSRP, VRRP
• Installation, administration, migration and support of Windows NT4.0, Windows 2000, 2003, 2008 and 2012, Win 7/ W2K Professional/Home, Windows 98, Windows XP.
• Experience inIncident Response Plans and Disaster Recovery efforts
• Experience in Cisco: Physical cabling, IP addressing, Wide AreaNetworkconfigurations (Frame-relay & MPLS), Routing protocol configurations (RIP, IGRP, EIGRP, OSPF, BGP IBGP)
• Experience inbuilding and implementing access controllistsdepending on the needs of industry
• Worked on Cisco PIX 500 seriesandASA 5500 series Firewallproviding support and configuring for NAT, PAT & advanced Firewall rules implementation. IPS on ASA's with Botnet protection
• Experience in DNS, DHCP, SMTP,FTP, HTTPS and web security architecture.
• Experience in configuring and supporting VPN on Cisco VPN concentrators and 2811 routers
• Configuring and supporting TCP/IP
• Extensive hands-on experience with 802.11 a/b/g/n standards and strong technical knowledge about IPv4 and IPv6
• Hands-on experience and basic knowledge about VoIP technologies such as SIP, SIP Trunking, Cisco Call Manager, Asterisk
• Excellent documentations skills by preparing data sheets, video networks, video tutorials, video labs

TECHNICAL SKILLS

Networking: TCP/IP, LAN, WAN, WLAN, Aruba ARM, Cisco Clean Air, AirMagnet, Wireshark, Wave Deploy, SDM, CNA, ASDM, CCP, Iperf, Telnet, DHCP, DNS

Routing: RIP, RIPv2, IGRP, EIGRP, OSPF, BGP, MPLS, Route Summarization, Redistribution

Switching: VTP, STP, RSTP, VLAN, L3 Switching

Security: VLAN, VPN, ACL, SSL, NAT, PAT, IDS, IPS, WEP, WPA, WPA-2 (Personal), WPA-2 (Enterprise using RADIUS)

VoIP: SIP, Cisco Call Manager (Version 8.0, 8.5, 8.6), Asterisk

Server Platforms: Windows 2003, Windows 2008, DHCP, DNS, Active Directory

Network Simulators: Packet Tracer, GNS3

Databases: SQL 2005/2008, MS Access

Application: MS Visio, MS Project, MS Office, Adobe Photoshop

Operating Systems: Windows XP professional, Windows 7 Professional, Ubuntu, Mac, Unix.

PROFESSIONAL EXPERIENCE

Confidential, Hillsboro, Oregon

Senior Network Engineer

Responsibilities:

• Prepare equipment orders based on templates. Develop detailed template-based plans including: implementation, testing and back out procedures for allnetwork implementations, upgrades and modifications.
• Assist in creating network design standards for hardware and software.
• Develop and maintain Network Documentation (Visio diagrams, Excel spreadsheets, Word documents, etc…).
• Configure and troubleshoot network elements in a test environment.
• Experience working with market data networks and dealing with clients and deploying network designs
• Involved in the configuration of Network security with AAA authentication, TACACS+ and RADIUS server security for the company
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the VPN networks
• Configuring IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800
• Responsible for configuring IP, RIP, EIGRP, OSPF and BGP in routers.
• Experience working with High performance data center switch like nexus 7000 series
• Experience working with Nexus 7010,7018, 5020, 2148, 2248 devices
• Migration of existing IPSEC VPN tunnels and Firewall rules from one Data Center to another Data Center, due to decom of existing Data Center, which involved working with Partner Companies
• Responsible for Updating Access-list, prefix-list to 2500 Retail Routers across the country. Experience with LAN protocols like STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP, PAGP.
• Experience with Network Redesign for Company Campus Locations and Moving from 6500 based Data Center to Nexus based Data Center.
• Experience with design and configuring Overlay Transport Virtualization (OTV) on Cisco NX-OS devices like Nexus 7000
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500 with ACL, NAT, Object Groups, Failover, Multi-Contexts.
• Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trucking, deployed port security when possible for user ports
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN.
• Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with ASA Firewalls.
• Responsible for cabling the switches, assigning IPs, port turn up and also troubleshooting the connection.
• Worked on migration from F5 LTM to A10 LTM
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Provide front end on-call network support 24x7x365 for all network infrastructures in the co-operation

Confidential, Largo, FL

Senior Network Engineer

Responsibilities:

• Designed, configured and installed Cisco routers and catalyst switches.
• Installed and Configured of LAN/ WAN set up for Clients
• Served as key member in Planning, designing of CorporateNetworkarchitecture and implementing in distributed environment with future expansion option
• Maintained & Analyzed LAN infrastructure, firewall logs, IP tables,Networkusage details etc
• Configured routers and sent it to Technical Consultants for new site activations and provided online support at the time of activation
• Supported Development team for the access to corporatenetworkand outside world.Provided access to specific IP, Port filter and port access
• Responsible for testing Network vulnerability, securing network, Intrusion Detection/Prevention technology
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide AreaNetworkconfigurations (Frame-relay and ATM)
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP, RIPv2, EIGRP, Static and default route
• Worked on HSRP and GLBP for first hop redundancy and load balancing
• Installedand configured PIX 520, 525, 535 series firewalls, configured standard and extended access -lists and policy- based filters
• Configured the Cisco router as IP Firewall and for NATting
• Configured ASA 5510 appliance as a Firewall and as a VPN server
• Implemented SNMP on Cisco routes to allow for network management. Completed the installation and Configuration of CSU/DSU, T1, T3 & OC3 circuits
• Responsible for troubleshooting TCP/IP problems and connectivity issues

Confidential, Santa Carla, CA

Network Engineer

Responsibilities:

• Involved in designing L2VPN services and VPN-IPSEC authentication & encryption system.
• Experienced in designing, installing & configuring of Cisco PIX, ASA & FWSM (Firewall service module)
• Evaluated, analyzed & implemented firewall policies to meet business requirements
• Experience in creating and maintaining firewall configurations, updating documentation and log analysis
• Monitored traffic and access logs in order to troubleshoot network access issues
• Provided support to internal project teams by adding firewalls, switches and routers to managed DMZs
• Experience in HSRP standby troubleshooting & Experience in configuring & upgrading of Cisco IOS
• Experience on designing and troubleshooting of complex BGP and OSPF routing problems
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• 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
• Experience in configuring routing protocols like EIGRP, RIP v2, OSPF & BGP and Cisco ACS protocols
• 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 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)
• Experience with Project documentation tools & implementing and maintaining network monitoring systems (Cisco works & Netinfo, Infoman Virtual Change) and experience with developing network design documentation and presentations using VISIO

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Administering, managing and troubleshooting Windows 2003 Server Active Directory and their Users, Groups, OUs and GPOs Objects running in mixed mode
• Administering, monitoring and troubleshooting Oracle Database Server with BDC configured for data redundancy and maintaining zero down time for various database applications
• Managing and troubleshooting more than 1100 user accounts with different GPOs
• Software installation and patch updating using GPOs
• Remote installation and patch updating of eTrust antivirus
• Providing and monitoring secured VPN connections to the valid users and also responsible for changing or disabling unauthorized users from using VPN connection
• Maintaining MS Exchange Server 2003 with user accounts, Public folders, Storage Groups, Groups with respective Mailboxes and Mails, keeping a backup of all .EDB and .STM files for a test system
• Planning, monitoring and executing Documented Backup strategies for Database, Application and MS Exchange Servers for local systems
• Managing and monitoring backup storage and backup testing
• Monitoring and managing user properties of an MS Exchange Server according to user requirements
• Configuring and troubleshooting clients with MS Exchange Server using Outlook Express using POP3 and SMTP protocol, monitoring scheduled backup of .DBX files as a part of client side mailbox backup.
• Administrating configured DNS Server and managing IP address range in DHCP Server
• Maintaining and imposing various security settings on users in Proxy Server as a part of network security in accessing global network
• Monitoring and updating antivirus patches for eTrust and Norton Antivirus 2005 remotely using tools like GPOs, VNC and remote desktop leading to maintain virus free network
• Involved in installation, maintenance of web server and also involved in making modifications to the website using FTP to download and upload modified HTML code
• Active participation in Document management for all Servers, Client, Printers, and all other peripherals in the network including problems faced, corrective actions taken and preventive action to be taken for reoccurrence, which supported the management take proper decision for effective function of the system administration
• Expertise in troubleshooting all Server, Client, Printer, and all other peripherals in the network
• Maintaining 0% down time of all Server and Client systems in the network by having backup and rescue kit monitored, updated suitable for maintaining such down time
• Involved in dissension making by the management in purchasing different server, Client Hardware and Software for better results
• Responsible for installation and configuration of different hardware, software purchased and maintaining all details like warranty period, Dealer contact for various troubleshooting
• Providing Training and support to the users working on different client systems
• Maintaining Inventory of Software, Hardware and Record updating on problems attended on Servers, clients and peripherals in the network

Confidential

Wireless Network Engineer

Responsibilities:

• Working for a start-up company, responsibilities included handling the wired core network, server backbone and wireless access network
• Designed the IP addressing scheme depending on the number of current users and scope of future growth
• Providing security through ACL, firewalls, MAC filtering and also configured PAT on the edge router
• Also responsible for documentation including preparing technical overviews of different 802.11 standards
• Gained experience on windows 2003 server platforms and configured DHCP and DNS servers
• Responsible for backing-up data using RAID servers using RAID 0, 1, 5, 6, 10 standards
• Gained knowledge about 802.11a/b/g standards, security standard such as 802.11i and QoS standard like 802.11e