SUMMARY:

• Cisco Certified Network Professional (CCNP) Engineer with 7+ years of experience, specialized in configuring Cisco routers and switches, CISCO Nexus, FWSM, F5 Load Balance, Firewalls & VPN products - Checkpoint NGX, PIX, ASA and Juniper Firewalls. Experience in managing, monitoring, troubleshooting, analysis and optimization of WAN/LAN.
• Extensive exposure to troubleshooting problems, maintaining devices and implementing Projects.
• Good understanding of services running on copper, fiber to node and cabling services as well as knowledge of cable standard.
• Capacity Analysis and planning for IP networks.
• Extensive working experience of routing protocols like RIP, OSPF, IGRP, EIGRP, MPLS, HSRP, VRRP and BGP.
• Creating IPSEC, GRE tunnels, Site to Site VPN, AAA, Radius, Tacacs+ Server in Cisco routers and Firewall.
• Configuring STP, VLAN, VTP, ETHERCHANNEL, TRUNK PORT, ACCESS PORT, INTER VLAN ROUTING, VOICE VLAN, CDP.
• Working Knowledge of Port Binding, Uplink Fast, Port Fast, Backbone Fast, Root Guard, Loop Guard, BPDU Guard.
• Working experience of Route Redistribution of routing protocols, Route-maps (Policy Based Routing), ACL, NAT, Prefix list, Frame relay, PPP, ISDN.
• Knowledge of networking technologies such as Asynchronous Transfer Mode (ATM), Quality of Service (QoS), Voice-over-IP (VoIP).
• Working knowledge of H.323, SIP.
• Monitoring and management tools like Whatsupgold, Solar winds, Cisco works, Castle Rock, Tellabs.
• Excellent working knowledge of TCP/IP protocol suite and OSI layers.
• Worked on Cisco IOS-XR 12000, 1700, 2500,2600,2800,7200,7600 series Routers, Cisco 1600, 3500 series switches, CISCO nexus 4000,5000,7000 series switches, Huawei NE-20,NE-40,NE-80 routers, S9300 switch, Alcatel routers& 3Com Switches.
• Experience in configuring and troubleshooting security devices such as Cisco PIX, ASA, FWSM, and Juniper SRX firewalls & BGP-IP F5 Load Balancer for LTM, GTM.
• Knowledge on installation and configuration of Cisco Call Manager.
• Backups, Uploading and Download Cisco IOS, Cisco CatOS, configuration file, license file, logs file using XModem, TFTP and FTP protocols.
• Good knowledge and experience in Installation, Configuration and Administration of Linux, Windows and Sun Solaris Servers under various LAN and WAN environments.
• Hands-on experience with Unix/Linux like configuring Squid, DNS, NTP, NFS, Apache web server.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
• Pro-Active and willing to assume responsibility.
• Able to work 24X7 and during weekends.

TECHNICAL SKILLS:

Communication Technology: Optical Fiber, Leased lines, E1 Link and ISDN.

Network components: Cisco 1700, 2500, 2600, 2800,7200,7600 Series Routers, Cisco Catalyst 3500,4500,6500,2900 Series switches, Cisco ASA 5500, PIX 500 series,Checkpoit NGN R65,CISCO Nexus 5000, 7000 series switch, HUAWEI S NE - 80, NE-40, NE-20 ROUTERS, Juniper Routers (MX960, MX480, M320),ProtocolsTCP/IP,IPv4, IPv6, RIP,EIGRP, OSPF, BGP,VPN MPLS, EIGRP, GRE, IPSEC,VTP, STP, CDP, HSRP, VRRP, GLBP

Cisco / Huawei/Juniper Routers & Switches: Configuration of ACL, NAT/PAT, VRF, Route Redistribution, Route Map, V-LAN, Private V-LAN, Inter V-LAN routing, Ether Channel

Hardware: Routers, switches & server installation, Maintenance and troubleshooting of Hardware, Operating Systems and Software packages. Manage Cisco IOS, Crimping different types of connector, Sub netting and VLSM.

NMS: Secure CRT, Putty, Solar wind, Whatsupgold, N2000,M200,MOS7100

Operating Systems: Red Hat Linux, Windows 2003/XP/2000/NT

RedHat Linux/ Servers: APACHE http and https, SENDMAIL, POSTFIX, DNS, NFS, SAMBA, FTP, DHCP, SQUID, NIS, NTP, NAS server.

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL

Responsibilities:

• Install / De-install & Configuration, up gradation of Firmware for Huawei NE80, NE40, NE20, Cisco 7200,7600 series router and layer 3 Huawei S9300,S3300,CISCO 3500 series switches. Verify cabling for all network devices in New MDF/ de-install old MDF. Configure/ verify cabling of MDF/ IDF network equipment, upgrading the firmware version on the network devices. Configuring WAPS for wireless devices like handheld scanners.
• Migration of Legacy Switches to RPOS Network and implementing network infrastructure routers (MPLS, VERIZON), switches (CISCO 2950, SYMBOL ES3000, and WS5100 WIRELESS) racks etc.
• Performed Network Management & Monitoring using N2000, VNC Viewer, SNMP, Client service Center Net View and Sys log.
• Implement Cisco IOS Upgrades and Firmware upgrades on the Router and Switches. Maintain and support the clients Infrastructure in Circuit City Stores.
• Responsibilities included providing support to WAN/LAN Telecom network/technical issues. Provided support and troubleshooting network related problems. Monitored network systems operations and conducted systems performance evaluations and system diagnostics.

Confidential

Responsibilities:

• Maintaining mission-critical networks and ensuring the IT operations of the customers to be uninterrupted.
• Responsible for day to day Operation management of Network Devices, Traffic management and monitoring.
• Interfaced with vendors and service providers ensuring that hardware or software problems were dealt with efficiently and effectively, with a minimal downtime.
• Monitor and Trouble shoot Networks. Primary responsibilities include administering a routed and switched TCP/IP, UDP; IPX network maintained 24 by 7. The network consisted of HUAWEI’s NE-80, NE-40, NE-20 routers, layer-3 switches (S-9303,S-3303), Cisco 7600, 7200 serious routers, 3500 serious switches.
• Designed and configured networks using routing protocols MPLS, GRE, IPSEC BGP, OSPF and route distribution.
• Implemented Employ VLAN architecture, NAT for legacy/partner connections and VRRP for redundant paths.
• Planning and implementation of IP addressing scheme using Subnetting, VLSM and CIDR.
• Augmentation of bandwidth of optical fiber STM, DS-3, ISDN and T-1 links & manage interconnectivity of MPLS cloud.
• Implement security policies using ACL, Routemap on PIX firewall & Routers.
• Configuring Bandwidth allocations (QOS) in Checkpoint Firewalls.
• Creating a rule on the checkpoint firewall for a NAT to the VLAN IP and allowing the IPSec traffic.
• Working experience of H.323, SIP.
• IPSEC/VPN Configuration for: PIX to PIX, PIX to VPN Wildcard client, PIX to Router, Router to Router, and Router to VPN Wildcard Client, Including fully meshed configurations.
• Troubleshoot MPLS Network & manage traffic of SGSN, SMSC, CRBT, GPRS, VOICE, DATA, VIDEO, Signaling traffic of different Telecom operators.
• Reproduced customer problems in a lab, “Root Cause” analysis of problems & verification of the solutions in that lab Performed packet level analysis tools to quickly solve and correct network problems.
• Worked with Network management tool N2000, M2000 & Network Operations with trouble tickets.

Confidential

Responsibilities:

• Installed and configured Cisco, 7604, 7606 and Cisco 7613 routers, 3500,6500 switches
• Worked as application control Engine of 7600 series router.
• Worked on F5 BGP-IP 1600, 3900 series LTM Load balancer.
• Designed and configured networks using routing protocols such as MPLS, OSPF, BGP, and route distribution.
• Collaborate with the Engineering group on reactive network design changes. In depth experience in troubleshooting BGP, OSPF Routing Issues. Implemented network design changes, perform checkouts, and resolve any issues that may arise.
• Configuring Cisco ASA 5510 at data centers with inside, outside and DMZ interfaces.
• Implemented Employ VLAN architecture, NAT for legacy/partner connections and HSRP for redundant paths.
• Installation, power on and configuration of DSLAM.
• Establish connectivity between DSLAM and Tier-2 switch.
• Cisco IOS and Cisco CatOS configuration and backups, Uploading and download IOS and Cisco CatOS using XModem, TFTP and FTP protocols.

Confidential

Responsibilities:

• Installed and configured Cisco (2600, 2811, 3600, 3825, 7200, 7500) series routers.
• Configuration of Routed Protocols IP and Routing Protocols MPLS, OSPF, EIGRP, BGP.
• Installed and Configured Cisco (6500. 4500. 3500 , 2900) series Catalyst switches.
• Creating VLANS and Inter-VLAN routing with Multi Layer Switching (MLS).
• Installed and Configured Pix Firewall 515 E, 525.
• VPN Connectivity through Cisco Routers and Pix firewalls.
• Implemented security by using access lists of Cisco routers and PIX firewalls.
• Implement Cisco Secure Access Control Server (ACS) for Tacacs+/ Radius.
• Provide network design of both the physical and logical network optimizing performance, review, validation, and implementation strategies including rebuilding the entire BSNL network.
• Infrastructure across remote distinct BSNL locations replacing all Switches, Hubs and Routers.
• Troubleshooting of network connectivity.

Confidential

Network Administrator

Responsibilities:

• Managing of Lotus IBM mail server.
• Managing Environment: TCP/IP, Cisco Series Routers, Cisco Catalyst Series Switches, RSM/MSM (Route/Multi Layer Switch Modules), VLANS, Gigabit Ethernet. Fast Ethernet, Token Ring, Frame Relay.
• Managing active directory, domain controller on windows 2003 server.
• Participate in design conferences, produce network diagrams, and detailed network documentation including data flow diagrams, logical diagrams, and physical diagrams as required. Maintain technical and vendor product information and assisting in establishing performance standards, policies and procedures for the enterprise using Microsoft VISIO/ Office.
• Solve the problem of users with Remote desktop, Team viewer and VNC Viewer Configuration and Managing of Network Printers.
• Installation, power on and configuration of LINUX servers.
• Bind DNS Server, Samba, NFS, LDAP, MRTG, Apache web server configuration of Redhat Linux and Sun Solaris 8.
• Installation and Configuration and Troubleshooting of HP Servers of Blade and DL and ML Series Servers.
• Inter network connectivity between LINUX servers and Layer-3 Alcatel switches.
• Implementing and developing RAID 1 and 5 using hardware (RAID Controller) as well as software RAID.
• Implemented and Maintained the Backup schedule.
• Troubleshooting of xinetd, shad and network services in LINUX servers.
• Maintaining hardware of LINUX servers.

Confidential

Responsibilities:

• Worked as a Network and Linux faculty engineer as well as administrator for Confidential .
• Practical experience in installing, configuring and troubleshooting Cisco Routers and Checkpoint NGN R65
• Routing Protocols (RIP, RIP V2, IGRP, EIGRP, OSPF), Virtual LANs, LAN, WAN and Ethernet.
• Frame Relay, ISDN, PPP, HDLC, Network Troubleshooting using CLI Show commands, PING, Trace route, telnet.
• VoIP Protocols - H.323, SIP, MGCP, RTP, RTCP.
• Security Protocols: IKE, IPSEC, MD5, SHA, RSA, DES, 3DES, AH, ESP, SSL.
• Implemented traffic filters using Standard and Extended Access-lists, Distribute-Lists, and Route Maps.
• Installed and configured Pix firewall (515 E, 525 Series).
• Configured of Site-to-Site and Site-to-Remote (Using Cisco routers to Cisco routers, Pix Firewall to Pix Firewall, Cisco router to Pix firewall, Pix firewall to Wild card client and Cisco router to Wild card client.
• Installed and configured Check Point firewalls at various Client Locations.
• Monitoring Network infrastructure using SNMP tools like SNMP Castle Rock, Solar wind.