SUMMARY

• Network Professional with 7 years of experience in network design, implementation, troubleshooting and management of large - scale enterprise networks
• Extensive work experience on Cisco Routers, Cisco Switches, Load Balancers & Cisco Firewalls
• Experience working with 2600, 2900, 3600, 3900, 7200, 7600 series Cisco Routers
• Proficient hands on experience in configuring Cisco Catalyst 2900, 2960, 3560, 3750, 4500, 4900, 6500 series switches
• Expert in configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer switches and supporting STP, RSTP, PVST, RPVST along with troubleshooting of inter-VLAN routing and VLAN trunking using 802.1q
• Hands-on experience in configuration of routing protocols and deployment of OSPF, BGP and Policy routing over Cisco Routers
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP)
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list
• Organized inventory of Network hardware, Management and Monitoring by utilizing SSH, Syslog, SNMP, & NTP
• Network security including Telnet, SDM, NAT/PAT, ACLs, AAA, & ASA firewall
• Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers
• Worked on T1/E1/T3 technologies and different LAN & WAN technologies
• Performed professional level documentation using Visio diagrams

TECHNICAL SKILLS

Cisco Routers: Cisco L2 & L3 Switches(1700, 1800, 2500, 2600, 3600, 3800, 7200 and 7600)(2900, 3560, 3750, 4500, 4900, and 6500)

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC

WAN Technologies: Frame Relay, PPP, HDLC, T1/T3, DS3, OC192

Firewalls: Cisco ASA

OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX.

Protocols/Services: Gateway Load BalancingRouting Protocols (RIP v1 & v2, OSPF, EIGRP, BGP), HSRP, & GLBP

Network Management Tools: Wireshark, Netflow Analyzer, NetScout, IBM Netcool, Cisco Works, Ethereal. OPNET Modeler

Facilities: DS0, DS1, DS3, OCX, T1/T3

Load Balancers: Cisco CSM, F5 Networks (Big-IP)

PROFESSIONAL EXPERIENCE:

Confidential - San Diego, CA

Network Engineer

Responsibilities:

• Working in a high availability environment and provide Level 3 Network Support.
• Configure, upgrade and verify Cisco IOS operation system.
• Converting PIX rules over to the Cisco ASA solution.
• Worked with F5 Balancers and their implementation on various networks.
• Providing Level 3 support to customers, resolving issues by attending conference calls.
• Providing Level 3 Engineering and Tech. Support to internal network engineers and contractors.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and prepare network documentation.
• Translating Cisco IOS Route maps to Cisco IOS XR Routing policies.
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
• Working with OSPF protocols in MPLS Cloud.
• Hands-on experience with iBGP & EBGP
• Used VLAN Trunk Protocol (VTP) while configuring a new VLAN on one VTP server.
• Establishing VPN Tunnels using IPSec encryption standards and also configure to implement site-to-site VPN, & Remote VPN.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
• Configuring GLBP, VLAN, VTP’s, Trunking 802.1Q, STP, and Port security on Catalyst 6500 switches.
• 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.
• Converting Cisco IOS to Cisco IOS XR configurations.
• Configuring BGP, MPLS in Cisco IOS XR.
• Configuring multiple route reflectors within a cluster.
• Working on HP open view map for Network Management System and Ticketing.
• Working on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter VLAN Routing, LAN security.
• Working experience with CITRIX Netscaler MPX 17500 & 7500 devices

Confidential - Detroit, MI

Network Analyst

Responsibilities:

• Responsible for troubleshooting server to server connectivity issues.
• Participated in the installation, configuration, and post installation of daily operational tasks and deployment of Cisco Nexus equipment.
• Maintenance & IOS upgrade on Nexus 3k, 5k, Cisco-2350, 3560, & 4948 devices.
• Responsible for MAC (move add change) port requests, ACL requests, VLAN configuring, VLAN decommission, TOR deployments, and TOR decommission.
• Debug out-of-bandwidth devices by troubleshooting and determining the root cause.
• Responsible for monitoring various web sources within company infrastructure based on the requirement and inspect or troubleshoot issues.
• Documentation and generate reports utilizing NNMi and MS Asset comparison monitoring tools provided within the company.
• Worked on a project that involves transition of Management VLAN from existing location to more efficient plan.
• Responsible for working with Cisco & escalate issues that involves technical support intervention from their side.
• Worked on remote site services and collaborated with on-site engineers to resolve issues as per requirements.
• Dealt with power outage affected devices and reconfigure them to bring back onto the network.
• MAC transition, retrieve MOP (method of procedure) to get approval from peers and implement necessary plan of action.
• Worked on Code upgrade for F5 load balancers.
• Performed various code upgrades and maintenance activities in a pre-planned maintenance window to minimize downtime.
• Practical experience with corresponding teams that deal with various issues & their devices which doesn't fall under our service area.
• Escalate tickets with respect to Engineering-I team that requires troubleshooting that doesn't meet the current standards.

Confidential - Des Moines, IA

Network Engineer

Responsibilities:

• Worked with Cisco Catalyst 6500, 4500, 4900 switches and Cisco 2800, 3600, 3800, 7200 & 7600 series Routers.
• Involved in Network Designing, Routing, DNS, IP Subnetting, & TCP/IP protocol.
• Responsible for migration of legacy switches, and replaced CAT-6506(Sup 32/720) with CAT-6509(Sup-2T) with and ACE module.
• Performed Study on QNQ tunneling and presented the pros and cons to respective Data Connectivity team.
• Configured Nexus devices while building disaster recovery datacenter.
• Performed configuration refresh on disaster recovery datacenter several times so that production data center will always remain in sync with the destination site i.e. all the changes applied for enhancements in production.
• Cisco WLC-5760 - build 2-Wirless LAN Controllers’ (WLC) - IOS XE based from scratch.
• Configuration of new Wi-Fi infrastructure from scratch via console access & WEB-GUI.
• Worked with Routing Protocols of OSPF & BGP.
• Configuration of WLAN's with security features, layer 2 & 3 authentication for users to connect on Wi-Fi.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Tested new Wi-Fi infrastructure on test Access Points before bringing into production
• Responsible for addition of New-WLC's to the production environment with WLC support for over 3000 end users.
• Practical experience in configuring High Availability (HA) for existing 5760 WLC i.e. HA-WLC 5760.
• Performed code upgrade on all WLC's on 5508 & 2500 WLC's in order to fix memory leak issues.
• Worked on Firewall infrastructure i.e. checkpoint Firewalls, add/remove access to end-users and servers, decommissioned several servers as required.

Confidential

Junior Network Engineer

Responsibilities:

• IOS upgrades on Catalyst 1900, 2900, 3500 series switches and 2500, 2600, 3600 series routers.
• Racking, stacking, and cabling network-based, IT systems
• Configuration of Access List ACL (Std., Ext, Named) to allow users all over the company to access different applications and blocking others.
• Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company using FLSM, VLSM addressing.
• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers
• Implemented VTP and trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches
• Performed on-call support for installation and troubleshooting of the configuration issues.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP)
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route
• Provided Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers
• Provided Technical support for improvement, upgradation, and expansion of the existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment
• Perform routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Installing operating systems, software and hardware on computers.
• Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal.
• Assisting Junior and Senior Engineers, on-site management of cable-wiring technicians
• Troubleshot problems on a day to day basis and documented every issue to share it with design teams.