SUMMARY

• More than 5+ years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and testing of networking system and Specialist on routing, switching, and firewall technologies
• Cisco Engineer for Fortune 500 companies, configuring and monitoring their VOIP voice/video infrastructure and endpoints
• Guaranteeing QoS for company sites, setting up class map/policy map configuration to guarantee voice/video quality
• Setting up of neighbor zones, traversal zones, non - traversal zones on CUCM, VCS-C/E infrastructure devices, Layer 7 routing of SIP and H.323.
• Meeting SLA/SLO of Sapphire ticketing and Remedy ticketing systems
• SNMPv3 implementation (em7) proactive monitoring for 8000+ endpoints and hundreds of infrastructure devices
• Load balancing and redundancy for servers wif clustering of VCS and CUCMs VOIP
• Implementation of network protocols for customer environment (DHCP, DNS, FTP, TFTP, SMTP, AD)
• Multiple site routing configuration for medium-large companies
• Known platforms Windows and Linyx
• Programming languages C++, Matlab, SQL
• Maintaining company users environment and assisting wif endpoint-side technical issues
• Creation and documentation of Secure transaction protocols for banks and their customers
• Layer 2 and Layer 3 security configurations such as Routing protocol authentication, CHAP, PPP, Port security, Root Guard, Loop guard, BPDU Guard
• Fortinet Firewall,
• CoPP and CPPR implementation and protecting Management/Data plane as well wif multiple protocol
• Cabling of customer office’s and campus
• Installation and architecture implementation of core/distribution/access layers
• Single and dual authentication.

TECHNICAL SKILLS

Network Configuration: Advanced switch/router configuration (Cisco IOS access list, Route redistribution/propagation).

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP, IS-IS, RIP

WAN Protocols: HDLC, PPP, MLPPP

Security Technologies: ASA firewall

Cisco Routers: Cisco GSR 12416, 12418, Cisco 3640, Cisco 3600

Redundancy and management: HSRP, VRRP, GLBP, RPR, Wireshark, Solarwinds, SNMP

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial

Layer 2 technology: VLAN, HSRP, VRRP, GLBP, STP, RSTP, PVST+, MST, PVLAN, Optimizing STP (Port Fast, Uplink Fast, Backbone Fast, Root Guard, BPDU Guard)

Layer 3 Switching: CEF, MLS, Ether channel (PAGP & LACP, Load Balancing)

Operating Systems: Microsoft XP/Vista/7, Linux, Windows Servers 2003/2008Windows MS-Office, VMware ESX 5.1, VMware Vsphere client, office 365, Python

Protocol Analysis: Casper, Model-Checker, FDR2

PROFESSIONAL EXPERIENCE

Confidential - San Jose, CA

Network Engineer

Responsibilities:

• Troubleshoot and resolve network issues as they arise
• Ensuring problems are satisfactorily resolved in a timely manner wif focus in providing high level of support for all customers
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter Vlan Routing, LAN security
• Experience working wif cat6000, 6500, 7600 devices
• Configuring, upgrading and verifying the IOS operation system.
• Configuring IPSEC VPN (Site-Site to Remote Access) on Palo Alto series firewalls
• Translating Cisco IOS Route maps to Cisco IOS XR Routing policies.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
• Configuring GLBP, VLAN, VTP's, Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
• Worked wif F5 Load Balancers and their Implementation in various Networks
• Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 converting Cisco IOS to Cisco IOS XR configurations.
• 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.
• Working on security levels wif RADIUS, TACACS+.

Confidential, San Antonio TX

Network Administration

Responsibilities:

• Routing protocol configuration, implementation, and optimization of customer site’s routers.
• Layer 2 configuration including port optimization and VLAN configuration, along wif VTP and STP efficiency
• Authentication between routing protocols for security
• IPS/IDS deployment for network protection
• AD, TFTP, DHCP server configuration
• IP address scheming for sites and VLSM for different departments
• Static addressing to servers and management plane
• ACS configuration for Admin accounts
• SLA, Netflow configuration for monitoring of network
• Redundancy and failover using the appropriate protocols
• OSPF area stubbing for optimizing routing table efficiencies
• PPPoE configuration for dedicated links
• Core, Distribution, and access architecture implementation in customer environment
• IPv4 and IPv6 stack configuration
• Responsible for VOIP QoS configuration
• Management, Control, Data plane protection and configuration

Confidential, St. Petersburg, FL

Network Engineer

Responsibilities:

• Involved in configuration and management of different Layer 2 switching tasks which includes address learning, efficient switching etc.
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues wif WAN types (T1, E1, DS3, and Frame relay) data circuit debugging.
• Configured firewall filters, routing instances, policy options, on Cisco router 6500
• Dealt wif the escalation problems from Level1, Level 2 & Level 3 for routing, switching and WAN connectivity issues using ticketing system Remedy.
• Designed VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations
• Cisco switch configuration in particular VLAN configuration/troubleshooting.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Dealt wif NAT configuration and its troubleshooting issues related access lists and DNS/DHCP issues wifin the LAN network.
• Experience in routing protocols like OSPF, BGP, and standby protocols like HSRP and VRRP application in the routers.