SUMMARY

• 8+ years of experience in Networking Engineering.
• Worked on network topologies and configurations, TCP/IP, ATM, bridges, hubs,Ethernet routers, and Switches.
• Well experienced in diagnosing and troubleshooting voice and all network related issues.
• Hands on experience in deploying, configuring & troubleshooting of Cisco 6500, 4500, 2900, 3500, 3750 series switches, Cisco 1800, 2500, 2800, 2900, 3600, 3800, 7200 series Routers.
• Good experience in handling L2/L3 TCP/IP and QoS, UDP, PIX, ASA, IPSEC VPN, MPLS, Ethernet.
• Well Experienced in configuring of L2/L3 protocols HSRP, GLBP, VRRP, IGRP, EIGRP, RIP V1/V2, OSPF,BGP, PPP, PAP, CHAP, SMTP, PoP3, IPSEC.
• Experience in implementation, support and troubleshooting of VLAN’s including operational knowledge of STP, PVST, RSTP, inter VLAN routing, port security and ISL/802.1q.
• Dealt with the configuration and troubleshooting issues related to Access Control Lists (ACL), NAT/PAT, IP and IPSEC VPN Tunneling.
• Experience with VOIP dial peers, PBX, IP phones. knowledge in Cisco unified communications.
• Strong knowledge in MPLS, L2VPN, VPLS, Multicast, and IPv6 Addressing.
• Extensively used Network monitoring tools like Wire shark, Ethereal, Netcool.
• Experience in setting up site to site and remote VPN connections to communicate between branches using Cisco network devices.
• Broad knowledge of hardware, software, and networking technologies to provide a powerful combination of analysis, implementation, and support.
• Good experience with Cisco monitoring tools.
• Strong customer focus and experience of customer support.
• Problem solving, task prioritization, communication and organization skills.
• Able to work in a deadline environment.
• Multicasting knowledge including IGMP, CGMP, PIM sparse and dense modes.
• Ability to stay on projects and manage own time accurately and effectively.
• Can work efficiently in a team and also on individual tasks.
• Ability to play active role on crisis situations.
• Willing to work hard, a determination to see things through in the face of unexpected setbacks and a desire to learn.

TECHNICAL SKILLS

LAN technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP, RSTP, 802.1W

WAN technologies: Frame Relay, ISDN, PPP, ATM, MPLS, leased lines and exposure to PPP, DS1, DS3, OC3, OC12, OC48, T1/T3 and E1/E3

Cisco equipments: Cisco routers (7200, 3600, 2600, 2500, 1700 series), and Cisco Catalyst switches (6500, 4000, 3550, 2900, 2800, 1900 series.

Network Security: ACL,NAT/PAT,Routemaps,Firewall,VPNConfiguration, Internet Content Filtering, Load Balancing, IDS/IPS,IPSEC.

Routing Protocols: RIP, IGRP, EIGRP, OSPF, IS - IS, BGP, VRRP, and HSRP

Infrastructure services: DHCP, DNS, SMTP, POP3, FTP, TFTP, Solar winds.

Network Management: SNMP, NNM, MRTG 2.13, IP address tracker, WMI monitor.

Network monitoring tools: Cisco Works 2000, HP Open View.

Microsoft Network Platforms: Configuration, troubleshooting and administration of Windows 2000/2003 networks with Active Directory services; Installation, configuration and administration of MS Exchange 2003/2000

Programming: C,C++

Platforms: UNIX, LINUX Windows XP, NT, 2000, 2003

Documentation: MS Office, MS Visio

PROFESSIONAL EXPERIENCE

Confidential, PA

Network Engineer

Responsibilities:

• Support Confidential & Confidential ’s roadmap of high-capacity backhaul via DS3 & Ethernet rollouts to the cell site.
• Migrated sites to new MSN/RNC by provisioning CISCO 2900 SIAD and new CISCO 7600 MSN for avoiding congestion and Load balancing on RNC.
• Migrated sites to Ethernet by provisioning ALU 7750 Service Router for desired bandwidth on terminating point-to-point VLANs
• Created new VLANS and OSPF routes and tested the connectivity before and after migration.
• Supported the SIAD, MSN & DACS ATM cleanup for nodes migrated to Ethernet.
• Configured IPSEC VPN Tunnel for POC and tested end to end connectivity.
• Experience in troubleshooting routing protocols like OSPF, BGP and Standby protocols like HSRP and VRRP.
• Coordinated with field techs for migration, integration and troubleshooting critical site issues.
• Dealt with escalation problems related to layer 2 and layer 3 from level 1 to level 3.
• Did failover testing on various network elements.
• Decommissioned extra cabinets after migration.
• Experience in implementation, support and troubleshooting of VLAN’s including STP and VLAN trucking.
• Working knowledge of turning up and troubleshooting Ethernet ports and T1 lines.
• Configured switching interfaces to support migrations.
• Configured static routes on MSN from node B to Metro watch.
• Responsible for L2/L3 security and redundancy.
• Network security experience including ACL configurations, firewall management and secure remote management practices (ASA, PIX,IPS &IDS,CiscoVPN ).
• Used Cisco ACE for server load balancing.
• Knowledge of MPLS based routing.
• Reviewing and auditing network documentation and database.
• Validate the method of procedure (MOPs) for installation and continued operation of the network elements.
• Perform Quality Audit of the sites by reviewing KPIs.
• Work closely with the deployment engineers to review service information from the field and compare against expected results.
• Root cause analysis for performance degradation.
• Change Management Process and Ticketing using Remedy 7

Environment:

• CISCO 2900,7600 series high end switches and routers
• Security: firewall(ASA,PIX,check point) VPN
• ALU 7750 and ALU 7705 SR
• Remedy 7 ticketing system.
• Monitoring: MRTG, Cisco works, WMS,Netcool
• Connectivity: DS3, T1, T3, OC12, Ethernet
• Routing: OSPF, BGP,MPLS
• Load balancers: Cisco ACE

Confidential, GA

Network Engineer

Responsibilities:

• Involved in the planning, implementation and also finding and filling the network gaps.
• Define the scope and objectives of the Network Audit that describes what segments to be audited and prioritize accordingly.
• Checking, identifying switch configuration gaps .
• Configured & installed Cisco 3800 routers in place of older Cisco 1800 series routers
• Roll out of Cisco 3560 & 4500 series switches in place of older Cisco 2960 switches.
• Performed STP in the server farms to detect the redundant links and disabled it when not required to prevent loops
• Detecting a failure using HSRP for High Availability of VPNs.
• Performed BGP OSPF and EIGRP protocol administration.
• Configuring the switches devices to meet the standards.
• Setup TFTP server for backup and restore configuration.
• Implemented software upgrades on switches.
• Check for 24x7 Coverage, Contact Information and escalation processes.
• Create new configuration/design.
• Involved in upgrade of WAN links to new ISP involving backup, configuration restoration IOS image files for Cisco routers and Catalyst switches.
• Monitored bandwidth and network activity by analyzing information provided by MRTG to ensure efficient and effective network operations.
• Configured and integrated new switches to support the growing network.
• Configured and supported remote site installations.
• Worked on Cisco 2800 ISR.
• Checked switch configurations for BPDU guard, port fast .
• Experience with Nortel ERS-8600, ES470, ERS 5500, ERS-1600.
• Monitored links using HP open view and Cisco works.
• Worked on RADIUS and SNMP gaps.
• Knowledge of Check point firewall.
• Define testing, identifying and fixing the day to network issues.
• Involved in change Management Planning and coordination.
• Experience with HP ticketing system and Remedy 7.
• Documenting the work detail which includes updating Network Diagrams, Excel sheets on share point.

Environment:

• Switching: VLANs, STP and HSRP
• Routing: OSPF, BGP,RIP V2
• Security: Firewalls (ASA, Check Point).
• Wireless Equipment: Cisco,Nortel
• Firewall: Check point.
• Monitoring: HP Open view.

Confidential, Brisbane, CA

Network Engineer

Responsibilities:

• Advanced knowledge of Ecommerce networking, including security and redundancy.
• Good knowledge in TCP/IP communication
• Worked on BMC remedy tool for handling tickets by understanding priority and severity of various tickets.
• Experience with the monitoring tools Nagios and Cacti.
• Involved in conference calls during load tests before Holiday.
• Worked closely with various Engineering teams in setting up their new environments understanding their network and security requirements and standards.
• Configured and troubleshoot Cisco’s core switch 6500, 3540.
• Configured Ether channel for load balancing, speed and redundancy.
• Coordinated with help desk for office moves between the cooperate buildings.
• Implemented change controls on ASA Security Appliance to allow inbound SSL, WWW, SMTP, FTP traffic in to the DMZ server.
• Analyzed expanding the network when they are full.
• Active participation in diagnosis, troubleshooting and resolving LAN and WAN related problems.
• Helped various Engineering team people putting their servers in to the right network Coordinated with Information security and Production control team for meeting the corporate standards and requirements
• Decommissioned the servers not in use.
• Configured new vlans and allowed on trunk for communication between the corporate buildings.
• Experience with data centers cabling onsite and also coordinated with remote datacenter service team for datacenters out of Brisbane.
• Diagnoses and resolves LAN/WAN problems.
• Configured VLANs, and port security Confidential switching level.
• Worked on 6500,3840,3750,2900 series devices.
• Exposure to Netscaler Load balancers
• Configured ACL on ASA, PIX and 6500 FWSM modules firewalls for network security.
• Advanced knowledge of global and server load balancing.
• Perform technical support coordination between Network Services and other IT technical engineering groups including system engineers.
• Prepared, represented and implemented change controls for off shore team.
• Ability to work on multiple projects and reprioritize as needed.
• Ability to work in high-pressured but highly structured, customer oriented environment.

Environment:

• Routing: OSPF, BGP,EIGRP
• Switching: VLANs, STP and HSRP
• WAN: VPN tunnels
• Security: ACL, NAT/PAT, Firewalls (ASA,PIX, 6500FWSM).
• Connectivity: DS3, T1, T3, OC12
• Load balancer: Netscalar Load balancer

Confidential, Austin, TX

Network and Voice support Engineer

Responsibilities:

• Configured VLANs, VTP, RSTP, and port security Confidential switching level.
• Designed, implemented and configured HSRP on different location of office on the switched Network and Managing the Entire multilayer switched network.
• Configuration of AAR (Automated Alternate Routing) to redirect the call to a PSTN number if the bandwidth of concurrent VoIP calls reaches a threshold.
• Configured VPN for secured communication between different departments which include Cisco’s VPN client via IPSEC for security.
• Assisted in migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling.
• Proficient in Adaptive Security Device Manager (SDM) and used it while performing security audit on routers.
• Performed BGP, OSPF & EIGRP routing protocol administration.
• Configured NAT, ACL and assisted in configuring ASA firewalls for network security.
• Exposure to Cisco Call Manager and IP phones, Gateways, PSTN Connectivity.
• Configured voice VLAN’S and implemented security and QoS for VOIP.
• Analyze heavily utilized circuits to determine if an alternate QOS strategy / bandwidth upgrade is necessary.
• Configured and troubleshot Cisco’s core switch 6509 and 6513, which are primarily used to provide Internet connectivity to internal and external clients, using OSPF and BGP.
• Function as a network and voice engineer for network planning and implementation.
• Identify areas of improvement, and propose solutions to resolve.
• Document systems, projects, and installations.
• Adhered to Change Control, Change Log, and Downtime Reporting procedures for all critical services.

Environment:

• Routing: OSPF, BGP, EIGRP
• Switching: VLANs, VTP, RSTP, and HSRP.
• WAN: MPLS, IPSEC, VPN tunnels
• Security: ACL, NAT/PAT, Firewalls (ASA).
• Load Balancer: F5 Load balancers
• Telephony: IP phones, PBX, Dial peers, CCM, QoS

Confidential, Kansas

Network Engineer

Responsibilities:

• Implemented VLAN, VTP, Trunking and HSRP
• Created dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA and QoS for customer LAN for Voice.
• Worked on routing protocols OSPF, EIGRP, BGP.
• Implemented OSPF and BGP routing policies and business as usual network support and troubleshooting
• Setup redundant ISP WAN connections redistributing EIGRP into BGP for route advertisement.
• Planned, installed, and configured VPN to establish secure remote site connectivity and remote access for mobile workforce through integrated authentication.
• Designed new enterprise MPLS VPNs, as needed for policy and security reasons.
• Implementing security policies using ACL, Firewall, IPSec VPN, and AAA Security different series of routers in the network.
• Implemented AAA service with RADIUS for network appliance management access remediating local user accounts.
• Worked on the migration of the existing PIX firewall to the ASA firewall.
• Assisted in installation and maintenance of security features using Cisco ASA firewall.
• Established internal process and flow for managing new circuit orders and network bandwidth increase requests resulting in improved financial management.
• Assemble and configure switches, routers, firewalls, servers, cabling, and related equipment for data centers.
• Monitor network and systems health, responding appropriately to network alerts and events.

Environment:

• Routing protocols: OSPF, EIGRP,BGP
• Switching: VLANs, VTP, HSRP, Trunking
• WAN: MPLS, VPN
• Security: ACL, AAA, firewalls(ASA), IPSEC

Confidential, Sacramento, California

Network Engineer

Responsibilities:

• Installed and configured various Cisco devices around the corporate network including switches, routers, firewalls.
• Configured MPLS throughout the company network with BGP and OSPF protocols.
• Worked with the load balancers CSS 11500 used for the servers in the network.
• Configured VOIP dial peers, PBX, IP phones for the company network using Cisco devices.
• Worked together with support to solve various customer issues related to WAN circuits, ATM, T1, T3, Ethernet.
• Switching related tasks included implementing VLANS, VTP and configuring on Fast-Ethernet channel between switches.
• Configured HSRP and also GLBP for redundancy.
• Implemented site-to-site VPN for communication between the different branch offices and head office over the internet utilizing AES with ASA firewall.
• Assisted in Migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
• Worked on latency and troubleshooting issues related to MPLS and other routing protocols used in the network.
• Responsible for L2/L3 security and redundancy.
• Implemented and used security device manager (SDM) to configure Cisco IOS security features and network connection.
• Troubleshooting various network security related issues using Cisco SDM
• Monitoring links using Cisco Works.
• Carried out performance monitoring and documentation of relevant network segments to ensure data integrity and security.

Environment:

• Routing: BGP, OSPF
• Switches: VLANS, VTP, RSTP, HSRP, GLBP.
• Connectivity: Frame-relay, T1, T3, E1, E3.
• WAN: MPLS, VPN, Frame-Relay, ATM
• LAN: Ethernet, Fast Ethernet

Confidential, San Diego, CA

Network and support Engineer

Responsibilities:

• Installation, Maintenance and troubleshooting Local and Wide area network.
• Hands on experience on Cisco 2600, 3640 routers and catalyst 2950 series.
• Worked configuring and troubleshooting issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
• Troubleshoot multi area OSPF and OSPF scale issues.
• Installed and configured SNMP, NAT, and Access Control Lists etc over multiple devices.
• Configured and Implemented Frame Relay for WAN connectivity. Troubleshooting issues related to Frame relay networks.
• Network Security implementation with Cisco IOS Feature Set, NAT, and Simple Network Management Protocol.
• Designed a reliable and fully redundant network implementing various routing protocols RIPV2, OSPF and BGP.
• Perform planning, testing, & evaluate new devices and troubleshooting.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Perform planning, testing, & evaluate new devices and troubleshooting.
• Worked with Project Managers to determine networking requirements and provide the Enterprise users with the best solutions to their networking problems from an institutional perspective.

Environment:

• Routing: RIPV2, OSPF, BGP
• Switching: VLANS, VTP, HSRP,RSTP
• Security: NAT, ACL, VPN, IPSEC
• WAN: Frame relay, VPN.

Confidential

Network Assistant

Responsibilities:

• Implemented Frame Relay WAN for 6 remote locations.
• Experience in setting up VPN connection to remote offices using Cisco network devices.
• Managing networks with Layer 2(cat 3900, series, and cat 6500 series) Layer 3(Cisco 2900, 2950, 2960 and Cisco 3660) Switches and Routers.
• Assisted in the establishment and implementation of LAN and WAN and also performed regular monitoring of network utilization, network traffic.
• Expertly configured wireless networks in small office environments and assisted in trouble shooting issues.
• Handled troubleshooting the issues related to routing protocols
• Worked with two Internet Service Providers to set up a secure a redundant, safeguard connection to the Internet and configure the Border Gateway Protocol.
• Checking Active Directory for user accounts configuring new accounts and deletion of non existence users.
• Taking regular backups for the configurations and other important works.
• Maintaining Network Documentation.

Environment:

• Switching: VLANS, VTP, Trunking, HSRP, RSTP
• Routing: BGP, OSPF
• Monitoring: Cisco works
• Backup: TFTP