SUMMARY

• More than 7 years of experience in the planning, design, and implementation of network, security.
• Background includes hands - on experience with multi-platform LAN/MAN/WAN environments in the administration, troubleshooting, and optimization of shared information networks to ensure reliability, availability, scalability and security.
• Self motivated with the ability to quickly comprehend, coordinate, organize, troubleshoot, analyze, and solve simultaneous complex technical issues.
• Expertise in configuration of Cisco Catalyst Switches of 3550/6500, Cisco Routers of 3600/7200/7600.
• Thorough understanding of TCP and IP addressing, subnetting.
• Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Transition from IPv4 to IPv6, Multilayer Switching, UDP, Fast Ethernet, Gigabit Ethernet, Voice/Data Integration techniques.
• Experience in configuration of VLAN with 802.1q, VTP, STP and RSTP (802.1W).
• Experience in managing and securing remote access through designing and implementing various VPN technologies including IPSec, SSL; MPLS, Frame relay.
• Hands on experience in troubleshooting and deploying of various IP Routing Protocols EIGRP, RIP v1/2, OSPF, IS-IS & BGP.
• Extensive knowledge/experience in implementing, maintaining and troubleshooting LAN/WAN, Network security including NAT configuration, VPN Concentrator, VLAN, Cisco Firewalls.
• Implementing security policies using ACL, ASA, PIX Firewall, IPSec, VPN, AAA Security (TACACS+, Radius) on different series of routers.
• Extensive knowledge in developing test plans, designing of network, procedures, and testing Various LAN/WAN Products and Protocols.
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, UDP, Quality of Service (QOS), Frame Relay.
• In depth knowledge with Network Monitoring tool like WhatsUp Gold, HP-open view, Cisco Works.
• Good knowledge of WLAN including 802.11 standards, Lightweight and Autonomous systems, WPA, PEAP.
• Experience in managing, maintaining and migration of large scale enterprise network.
• Deep understanding of today’s problem space in the area of Network and Application Security.
• Experience of communicating with customers, solving complex problems in a timely, productive manner.
• Excellent communication & Inter personal skills with the ability to interface at all levels.
• Worked as a Team Lead, for numerous projects in network engineering.
• Detail oriented and hard-working team player who also can work well independently.

TECHNICAL SKILLS

Routers: Cisco routers (1800, 2500, 2600, 3200, 3600, 3700, 3800, 4000, 7200)

Switches: Cisco catalyst switch 6500, 4948, 4500, 3750, 35XX, 29XX, and 1900 series. Cisco Nexus switch 7k, 5k, and 2k

Protocols/ Services: Routing Protocols (RIP(v1 & v2), IGRP, EIGRP, OSPF, BGP), HSRP, VRRP, GLBP, IGMP, NAT/PAT, MLS, ISL, 802.1Q, CEF, MAPI, Proxy ARP, SNMP, DLSW+

Firewalls: CISCO ASA, Cisco PIX, Checkpoint

LAN Technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet Networks, VLANS, VTP, STP, RSTP (802.1W),Ether channel, Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, FDDI Network, Token Ring

WAN Technologies: Frame Relay, ISDN, Multilink- IP,HSSI,PPP, ATM, MPLS, MPLS VPN, Multi-homing BGP, DDR HDLC,DSL, SONET/SDH, SMDS, leased lines & exposure to DS1, DS3, OC3, OC12, OC48 and T1 /T3,SS7,Fiber Optics

Operating Systems: Windows 7/Vista/XP/2000/20003

Load Balancer: Big IP F5, Cisco ACE

Network Management /Monitoring / Security Tools: HP-Open view, Remedy, HP NNMi, Solar Winds, Putty, Secure CRT, Symantec Antivirus Console, Vista Apature, IP Control

Documentation /Design Tolls: MS OFFICE, MS Visio, MS Power Point, MS Project.

PROFESSIONAL EXPERIENCE

Confidential, San Antonio TX

Network Analyst

Responsibilities:

• Worked as a network consultant, for projects like data center migration and transition, remote-site repatriation.
• Also worked as a NOC onshore track lead to gather the requirement and expectations of onshore manager from offshore team.
• Managed offshore level 2 network resources and ensure SLA's are being met.
• Created network diagrams and documentation as a part of handover to ongoing operational support and management presentations.
• Monitoring Asia, Europe, Australia sites along with US local sites.
• Worked with CISCO Tech for faulty power supplies, fan tray and line card. and replaced them.
• Worked with service providers to troubleshoot the circuit issues.
• Worked with packet capturing tool e.g, netscout nGenius and wireshark, to troubleshoot different network latency related incidents.
• Worked with different server teams to troubleshoot speed/duplex and network connection problems.
• Worked on checkpoint firewall, to monitor traffic for troubleshooting as well as to restrict the traffic.
• Configure port-channel with VPC configuration as well as for LACP aggregation
• Took part and provided support in server consolidations projects and datacenter migration Projects. Managed offshore resources to support hours long migration activities.
• Worked on incidents tickets on timely fashion to meet SLA. Carefully and strictly followed the escalation process.

Confidential, Los Angeles

Network Engineer

Responsibilities:

• Up-gradation, configuration and troubleshooting of routing protocols such as OSPF on the core network for effective communications.
• Provided connectivity on newly deployed PE routers through IBGP and inter AS connectivity through BGP.
• Configured route policies, manipulated attributes using route-maps, ACL, community and AS-path list according to requirements.
• Configured RSTP and used VTP with 802.1q trunk encapsulation. Dealt with other layer 2 protocols. Provided port binding and port security wherever required..
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
• Implement Security policy by Configuring PIX firewalls & ASA firewalls. Dealt with enterprise level ASA 5520 and 5540 firewall.
• Monitoring T3, T1, E1, ISDN and Leased lines by HP Open View Network monitoring tool, Alcatel network monitor tools. Support large scale Frame Relay & ATM Networks.
• Configured and maintained BIG - IP F5 load balancers at the server farms for increased security and avoid single point of failure.
• Design, implement and troubleshoot the Content Switch Module (CSM) based local load balancing on distribution switched 6509.
• Maintained VPN, Firewall and hosted web services daily and provided 24/7 uptime and access for these services.
• Carried maintenance and troubleshooting tasks on DHCP, DNS and TCP/IP services.

Confidential, LAFAYETTE, LOUISIANA

Network Engineer

Responsibilities:

• Restructured the existing network setup by adding and upgrading Cisco devices in the core and distribution layer as per the management instructions.
• Installed and configured Cisco 7200 series, 3600 series routers and 4500 series, 3500 series switches.
• Improved VLAN and VTP of the existing sites, trunking (802.1q and ISL), analyzed spanning tree timers and suggested (then deployed) port fast, uplink fast and backbone fast on newly added switches.
• Adjusted misconfigured port duplex settings.
• Configured routers for OSPF and EIGRP routing protocols, redistributed wherever required.
• Improved efficiency of the EIGRP routing environment by load balancing between unequal cost links and stub area configuration wherever required.
• Migration of Checkpoint Firewall to ASA Firewall for addressing enterprise needs of firewall, IPSec VPN and IPS. Applied ACL, NAT, PAT and Firewall policies.

Confidential, LAFAYETTE, LOUISIANA

Network Engineer

Responsibilities:

• Daily activity includes troubleshooting of Cisco devices such as Switches, Routers, and Hubs.
• Maintain the LAN/WAN connectivity, monitor and provide necessary security on switches and routers.
• Configure the switch ports for VLAN, STP and VTP and enable trunking whenever required. Provided physical redundancy with full mesh topology.
• Enabled STP attack mitigation (BPDU Guard, Root Guard, BPDU Filter, Loop Guard), disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
• HSRP configuration and maintenance for router redundancy to cope up against the link failure. Set up the Wireless Access Points and configure basic security for internet connectivity.
• Manage user accounts on Windows Server Operating Systems. Performed upgrades, installation of software and drivers and essential desktop troubleshooting.
• Implementation and configuration of PIX and ASA firewalls (outbound access for access control, NAT and PAT, IPSec encryption and security levels for inside network, outside network and DMZ) at the customer site for secure remote connectivity. Providing the technical support when needed.

Confidential

Network Implementation Engineer

Responsibilities:

• Responsible for designing, implementing and upgrading of company network model including monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment.
• Responsible for site surveys, design the layout for cable installation and provide documentation.
• Troubleshoot end-to-end connectivity between two sites while providing training to newly hired technicians. Maintain the documentation of work performed for cost analysis.
• Help negotiate hardware, software and circuit contracts for customers. Involved in lab testing and validation of network modifications and configuration before implementation.
• Responsible for configuration, troubleshooting and securing the company’s LAN/WAN infrastructure.
• Configuration, administration and troubleshooting of the routing protocols (OSPF, EIGRP and BGP) on the production router.
• Configuration of HSRP between distribution layer switches and routers for failover redundancy.
• Tested leased lines and ISDN circuits on daily basis to ensure failover links are up.

Confidential

Network Administrator

Responsibilities:

• Install, configure and troubleshoot LAN and WAN using Cisco routers, switches, firewalls and other devices.
• Maintain the full connectivity across the entire process plant. Upgraded the LAN connectivity by replacing hubs with Cisco 1900 series switches.
• Actively involved in the network up gradation as decided by the management team.
• Coordinated the hierarchal IP addressing implementation. Converted LAN from one flat scope to multi-VLAN network.
• Maintained the existing routing environment which used RIPv2 protocol, later upgraded the entire network by replacing RIPv2 with EIGRP and OSPF.
• Deployed HSRP to provide high network availability by protecting against a single router failure in production environment.
• Provided physical redundancy and load balancing by configuring PAgP and LACP across the switched environment.
• Administrated the edge routers for internet connectivity, WAN connectivity to remote site using Frame-Relay, static mapping of the DLCI and other encapsulation methods.
• Successfully deployed OSPF by manual configuration of the routing process to support Frame- Relay NBMA cloud.

Environment: Cisco 7600,3800,3900 routers. Cisco NX 7k, 5k, 2k, 3750, 4500, 4900,6500 switches. Cisco ASA 5585, 5550, F5 big IP, HP NNMi, HP OMi, BMC Remedy, BT diamond’s IP Control, Netscout n-Genius, Infinistream, LPR probes, Matrix Switches, Cisco ASDM, Checkpoint firewall, Secure CRT, Putty, Wire shark, Cisco Anyconnect, Vista Apature, Aspect Phone System, Blue coat proxy, Cisco NCS.