SUMMARY

• Cisco and Juniper certified Network engineer, having 7+ years of extensive hands - on experience in IP Network design, Network integration and Network planning, Engineering, Technical support
• Thorough understanding of networking concepts pertaining to LAN, WAN protocols, Networking devices administration and maintenance.
• Hands on experience on Cisco 7200vxr, 7300, 4000, 3800, 2800, 2600 series routers and Cat 6500, 5000, 4000, 3750, 3560, 3500xl, 2950 series switches.
• Expert in routing protocols RIP V1,V2, EIGRP, OSPF (Single Area and Multi Area) and BGP.
• Experience in implementation, support and trouble shooting of VLAN’s including operational knowledge of spanning tree protocol STP, RSTP+, VLAN trunking, VTP, inter VLAN routing and ISL/802.1q.
• Experience in providing Gateway redundancy by using High Availability protocols such as HSRP, VRRP and GLBP and by providing redundant paths in an architectural view of entire topology.
• Working Knowledge in implementation of IPQoS Class-based Policing/Shaping/Marking, Class-Based Weighted Fair Queuing (CB-WFQ), Weighted Random Early detect (WRED), LLQ.
• Hands on experience in planning and designing of IP addressing structure, sub-netting, VLSM.
• Configuring and Troubleshooting NetScreen Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M and high end firewalls like ISG 1000, NS 5200 using NSM.
• Configuring and troubleshooting Juniper Firewalls including UTM features like anti-virus, deep inspection (IDP), URL filtering and screening.
• Handling of virus protection servers (McAfee) and deployment of virus scan and desktop firewall across organization to meet 100% compliance of latest DAT files
• Deployment of WebSense policy server integrated with ISA proxy servers and configuring the reporting servers accordingly to generate the reports.
• Experience with Load Balancing using F5 Network Load Balancers LTM 10.x,11.x.
• Working knowledge on different ticketing system tools (Remedy, Wiki).
• Strong interpersonal, organizational communication, customer service & presentation skills.
• Excellent analytical skills, with the critical ability to identify security issues and quickly apply effective resolutions.
• An effective communicator with exceptional interpersonal skills and experienced in training and mentoring technical team personnel during various phases of project and customer relationship management skills.

TECHNICAL SKILLS

Protocols: RIP, RIP V2, EIGRP, OSPF, IS-IS, BGP, IGRP, HSRP, VRRP, GLBP, LACPPAGP, DNS, SMTP, SNMP, FTP, WLAN, 802.11/802.11 e, WEPPOP3, LADP, Juniper radius

LAN technologies: Juniper Routers M7i, M10, M20, M40, M160, 2350, 4350,VLAN, Trunking, VTP, STP, MST, RSTP,Port Mirroring,Etherchannel (PAGP & LACP, load balancing), Optimizing STP (Portfast, Uplink fast, Backbone fast, Root Guard, BPDU Guard), 802.1Q-in-Q Tunneling, WiFi (802.11a/b/g/n)

WAN Technologies: Frame Relay, ISDN, PPP, HDLC, ATM, MPLS, Leased Lines, Cable modem,SONET, DWDM, DS1, DS3, T1, T3, OC3, OC12, OC48, OC 192.

Network Products: CISCO Routers 1700, 1800, 2500, 2600, 2800, 2851,3600, 3800, 7200. CISCO Switches 1900, 2950, 2950, 2960G. CISCO Campus Switches 550XL, 4948 Core Catalyst 4503, 4507 RE, Catalyst 6500/6503/6507 , Cisco PIX 500 series, Cisco ASA 5500/5520 series, Cisco 1200 Aironet Access Points, CSU/DSUs, network cards and Modems, Hubs, Juniper Routers M7i, M10, M20, M40, M160, 2350, 4350, F5 BIG-IP LTM, Cisco IOS, SSL, ASR 1002, 3945 E router.

Network Management Tools: Whatsupgold, MRTG, HP Openview, Cisco WAN Manager, Cisco works 2000, solar winds

Monitoring Tools: Wireshark, Nmap, OP Manager, Nessus, SONET

Authentication: RADIUS,TACACS+,Digital Certificates

Firewalls: Juniper (Netscreen), Sonicwall, watchguard,Cisco ASA/PIX.

Servers: Domain Servers, DNS Servers, WINS Servers, Mail Servers, Proxy servers, Print Servers, Application Servers, FTP Servers

Remote Access: IP Sec VPN, VPN, Remote/Secure client, Site to site VPN, tunneling

Anti-Virus Management: McAfee ePO server centralized management.

QoS Technology: Class - based Policy/Shaping/Marking, CBWFQ, LLQ,WRED.

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Configuring Static, RIP v1 & v2, IGRP, EIGRP, OSPF and BGP Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
• Configured VLAN’s, Private VLAN’s, VTP, and dot1. Q trunking on various Distribution layer switches such as 6513, 6509, 6504 series switches.
• Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches and Access layer switches such as Cisco 4510, 4948, 4507 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.
• Configured inside ACL, outside ACL, inside, outside and DMZ interfaces.
• Configured NAT and PAT policies.
• Tested various EBGP attributes such as Local preference, ASPATH and extended communities.
• Configuration and troubleshooting of EIGRP, OSPF, BGP.
• Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Experienced in Firewall administration like creating/modifying new object groups, adding /deleting/Modifying appropriate rules and access-lists, adding/deleting/modifying firewall rules and firewall configurations/settings.
• IP/DNS administration like adding/modifying/deleting IP and DNS assignments using InfoBlox.
• Support the project manager in defining the work and the associated effort, duration, and resource needs to deliver the solution.
• Communicate status to the project manager to provide completion status of assigned tasks, estimate to complete for remaining effort, and associated issues/risks.
• Based on defined technical requirements and architecture blueprints work with a cross-functional team to develop the network detailed design and associated network specifications as part of an overall solution design.
• Deploy and configure the networking components per the detailed design.
• Document test cases, perform operational readiness testing to ensure the networking environment performs as required and document actual results.
• Documented all the work done by using Visio, Excel & MS word.
• Create proper knowledge transfer documentation and runbooks of environment (based on project requirements and design/build criteria) and conduct knowledge and ownership of environment to client Operations team.

Environment: Cisco 1600, 2600, 2800, 3600, 7300 series Routers and Cisco Distribution layer switches such as 6513, 6509, 6504, Access layer switches such as Cisco 4510, 4948, 4507 Cisco ASA 5550.

Confidential, Portsmouth, NH

Network Engineer

Responsibilities:

• Supported Various CE Routers such as Cisco 3640, Cisco 7200VXR, Cisco 7600 series, Cisco 2600 series for various customer features such as EIBGP load balancing, ORF, EBGP peering.
• Configured and trouble shooted Route-Reflectors to support IBGP peering within the AS.
• Time to time upgrade of network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network.
• Managed VLAN architecture and HSRP for default gateway redundancy.
• Supported various LAN environments consisting of Cisco 6500 series switches. Configured ether channels, trunks, VLans, HSRP in a LAN environment.
• Experienced in implementation, troubleshooting knowledge of protocols and technologies such as EIGRP, IPv4.
• Experience in playing with various BGP features such as Route-Refresh, AS-Override, EIBGP load balancing and various BGP attributes such as Local Pref, AS-Path.
• Successful Up gradation of Cisco IOS from 12.0 to 12.4 on Routers (Cisco7600, 7200vxr) & configured Switches (3750, 3550, Cat6500).
• Configured QoS to provide proper priority and queuing based on type of the traffic.
• Implemented QoS using CBWFQ, LLQ and DSCP based policies. Configured WRED on egress policies as per Cisco QOS design
• Participated in on call support in troubleshooting the configuration and installation issues.
• Provided Technical support in terms of upgrading, improving and expanding the network.

Environment: Routers: Cisco 3640, 7200vxr, 7600 and Switches: Cisco 3750, 3550, cat 6500.

Confidential, Richardson, TX

Security Administrator

Responsibilities:

• Responsible for adding Policies to the SRX 3600, 240, ISG firewalls and monitoring the logs.
• Interacted with the customers and on call support to troubleshoot the issues.
• Responsible for configuring and troubleshooting Juniper Netscreen Firewalls using NSM.
• Worked on Juniper series Netscreen 5GT, 208, SSG 5, 140, 550, 550M and high end firewalls like ISG 1000, NS 5200.
• Upgraded IDP on the NSM and migrating firewalls.
• Extensively involved in administration & Maintaining of Netscreen Firewall using GUI and using NSM.
• Involved in configuring and troubleshooting Juniper Firewalls including UTM features like anti-virus, deep inspection (IDP), URL filtering and screening.
• Worked on network analyzing tools like tcpdump, WireShark, for monitoring STRM (Security threat Response Manager), NSM (Network Security Manager) for Juniper firewalls.
• Involved in Implementation, administration: Design / Configuration changes, Defining events/signatures policies and its actions, Logging and Log analysis.
• Responsible for maintaining and updating VPN Gateways for ensuring force of latest Security policy to deny all input requests from all non-compliant devices.
• IPSEC VPN (site-to-site), client to site VPN’s on Cisco 3000 Concentrators and Cisco VPN client.
• Managed Radius Server on Sun Solaris 10 (Sun-Fire-480R) for authentication.
• Handled virus protection servers (McAfee) and deployment of virus scan and desktop firewall across organization to meet 100% compliance of latest DAT files.
• Documented all communication with the clients.
• Provided remote Technical support on implementation of technology using various Juniper Network & Security products and applications and resolve product related issues through research and troubleshooting.

Environment: Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M and high end firewalls like ISG 1000, NS 5200, UTM features, network analyzing tools like tcpdump, wireshark, Nmap, secureCRT, SSL.

Confidential, Richfield, OH

Network Engineer

Responsibilities:

• Supported a core network consisting of Cisco 7200vxr, Cisco 6500 series routers running multi area OSPF.
• Implemented stub/Totally stub areas. Implemented various OSPF features like route-summarization.
• Configured EBGP peering with other providers and implemented security policies at the peering points.
• Monitored network for optimum distribution and load.
• Configured LAN networks with Access layer switches such as Cisco 4510, 4948, 4507, 3560 and 2940.
• Worked on distribution layer switches such as 6513, 6509, 6504 and a routed core.
• Configured VLAN’s, Private VLAN’s, VTP, and dot1. Q trunking on 6500 and 4500 series switches .
• Configured HSRP,VSRP,GLBP, Spanning tree Root guard, BPDU guard and Loop guard STP features
• Responsible for testing and evaluation of new network technologies and hardware.
• Extensively involved in administration & maintaining of IDS/IPS.

Environment: Routers: Cisco 6500, 7200vxr and Switches: Cisco 4510, 4948, 4507, 3500 series, 6500 series.

Confidential

Technical Support Engineer

Responsibilities:

• Primary Duties include 24x7 Level II support for the Network. Providing support to offices all over the State.
• Tested various EBGP attributes such as Local preference, AS-PATH and extended communities.
• Product testing and support for Access layer switches such as Cisco 4510, 4948, 4507, distribution layer switches such as 6513, 6509, 6504 and a routed core.
• Implemented L3 Switching: CEF, MLS, Ether channel in the network.
• Configuring and troubleshooting BGP, EIGRP, OSPF and RIP routing protocols for enterprise network.
• Tested and upgraded various IOS releases for various Cisco routers.
• Implementation of the LAN IP infrastructure using L2 / L3 switching, VLAN, VTP, Inter VLAN Routing, Spanning tree, Switch ports (access and trunks) Gigabit Ethernet and truncking .
• Worked on issues related to customer access-lists.
• Configured TACACS and AAA for various routers and switches.
• Replicating customer specific scenarios in lab for troubleshooting purpose and reproducing the problems in the lab
• Active monitoring and LAN/WAN support
• Established interactive communication with the end users to understand their day-to-day problems and subsequently provide satisfactory solution in time.
• Provide a daily / weekly / monthly quality score to each agent to improvise the performance.

Environment: Routers: Cisco 6513, 4507 and Switches: Cisco 4510, 4948, 4507, 6513 and 6509.

Confidential

Network Engineer

Responsibilities:

• Worked as part of a team for Cisco Product Support. Troubleshooting by providing relevant knowledge base articles and other information. Installation and Configuration of LAN (Ethernet)/ WAN set up for Clients. Design, configuration and Installation of Cisco routers 3600 and catalyst switches 6500, 3700.
• Designed and implemented an IP addressing scheme with subnets for different departments.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Configuration and troubleshooting of EIGRP, OSPF, BGP.
• Configuration of Standard and Extended ACLs for Security.
• Implementation of NAT with a pool of 2 public IP addresses.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Technical assistance for LAN/WAN management and complex customer issues.
• Monitor the operability and reliability of the network.
• Configured VPN for the remote and site-to-site access.
• Configured Access control list and also configured Cisco ACS for AAA services using Tacacs and Tacacs+.
• Experience in network monitoring tools like Netflow and Cisco IPS event viewer.
• Defined and maintained security policies on all Internet-facing edge routers used for delivery of streaming media content.
• Implemented TCP/IP and related services like DHCP/DNS/WINS
• Used network sniffer, Cisco works, Optical power meters and other devices in the lab.
• Documentation of entire site layout, updating and managing the asset registers and network or server documentations.

Environment: Routers: 1700, 2600, 3600, 7200 and Switches: 2900, 3550, 6500, and 3700.