SUMMARY:

• CCNA & CCNP CERTIFIED professional having overall 6 years of experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Hands - on experience on Up-gradation of Cisco IOS on different Cisco devices and modules
• Provided services in many industries such as Consulting, Telecommunications and IT Infrastructure. Specializing in LAN, WAN, WLAN, and Data Center networks
• Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc.
• Expertise in configuring and troubleshooting of Palo Alto, Juniper NetScreen& SRX Firewalls and their implementation Experience in site-to-site and remote access VPN solutions.
• Experience working with Nexus 7K, 5K and 2K.
• Has expertise to work in Cisco/Checkpoint/Juniper/F5/Riverbed Products.
• Has experience in maintaining huge datacenters with Heterogeneous environment.
• Implemented multiple Cisco Nexus based Data-Center environments, as well as 6500/4500/3750 series switches, 7200/3900/2900/1900 series router. Multiple data center migrations and transformation projects, with great expertise on Wireshark.
• Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, ATM, bridges, routers, hubs and switches.
• Experience with troubleshooting network traffic and the diagnosis using tools like ping, trace route, Cisco Prime PRTG, Wireshark and Solar Winds.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Worked extensively on Palo Alto, Juniper Net screen and SRX Firewalls.
• Working on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls .
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP.
• Experience in installing and configuring DNS, DHCP server
• Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
• Expertise in installing, configuring and troubleshooting Juniper Routers ( J,M and MX-series)
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Configuration of Cisco wireless technology including Wireless LAN Control ( WLC ).
• In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• Extensive experience in designing and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Trained with Riverbed Advanced WAN Optimization.
• Cisco Identity Services Engine (ISE) to simplify identity management across diverse devices and applications.
• Extensive experience in dealing with Vendors for MPLS/DSL installations.
• Troubleshooting complex datacenter environment, resolved many critical Severity 1 incidents.
• Designed & Implemented DMZ solutions for data center environment, build checkpoint firewall policies for the same
• Adept knowledge in preparing technical documentation and presentations using Microsoft Visio/ Office.
• Provides technical leadership for problem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professionalism.

TECHNICAL SKILLS:

Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200), Cisco ASR (1000 & 9000 Series)

Switches: Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), Cisco Nexus(7K, 5K, 2K & 1K), Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series), ASA, PIX, FWSM, Netscreen

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 / T3 & SONET, Riverbed Steelhead

Firewalls: Firewalls/VPNs ASA, PIX, Cisco VPN 3000 Series Concentrator

OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX, Microsoft SQL Server 2000 and 2005, VMware.

Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP, VoIP, SIP, H.323

Network Management Tools: Wireshark, Netflow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, Solarwinds, Cisco ISE

Security Server Protocols: TACACS+, RADIUS

PROFESSIONAL EXPERIENCE:

Confidential, CA

Sr. Network Engineer

Responsibilities:

• Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
• Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
• Working with ISSU Upgradation on Cisco Series.
• Configured and administrated more than 200 Riverbed Steelhead for application Optimization.
• Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX
• Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.
• Upgraded the data center network environment with Cisco ASA 5520. Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
• Implementing 3750 Stackable switches using Cisco Stack Wise technology. Experience to review, evaluate current and future design issues as required maintaining network integrity, efficient data flow.
• Cisco Identity Services Engine (ISE) to enable the creation and enforcement of security and access policies for endpoint devices connected to the company’s routers and switches.
• Working on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
• Configured Cisco Wireless LAN Controller (WLC) 5500, 4400 series and Lightweight Access point.
• Configured Wireless LAN FlexConnect and worked extensively on Flex 7500.
• Used Cisco 5520 Wireless Controller to Support centralized, distributed, and mesh deployments
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Installed & Troubleshooted layer 2 and 3 issues on Brocade routers and switches
• Actively involved in switching technology Administration including creating and managing VLANS, Port security - 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Created dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA.
• Setup and configure network monitoring and management systems like Whatsup and BNA (brocade).
• Configured Voice ports and Dial peers on the call manager for the VOIP call to reach remote destination.
• Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
• Handled Network capacity planning, modeling, and traffic optimization and experience in using tools (OPnet, Netflow, etc.).
• Used Cisco Prime Infrastructure to simplify the management of wireless and wired networks.
• Configured ACL’s in Cisco 5520 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT
• Responsible for Data Center Migrations and its operations including the change from 6500 switches to nexus series switches, configured VPC/VDC on nexus 2k, 5k and 7k.
• Implemented antivirus and web filtering on Juniper SRX 240 at the web server as well as configuration of F5 Big-IP LTM-6400 load balancers and experience working with F5 technologies (LTM, GTM, APM, V9, V10, V11)
• Experience in deploying, configuring & maintaining F5 3DNS(Global traffic Manager) Controller and BigIP -LTM(local traffic manager) for wide area load balancing and global redirection using VPN and Proxy load balancing techniques.

Confidential, Columbia, MO

Sr. Network Engineer

Responsibilities:

• Successfully migrated the cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.
• Migrated old Nokia firewalls to standard HP hardware’s.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Security policy review and configuration in Palo Alto and JuniperSRX Firewall in US offices and Datacenter.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, BlueCoat Proxies and Riverbed WAN Optimizers.
• Configure GSLB on NetScaler Gateway.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, BlueCoat Proxy and Riverbed Steelhead appliances.
• Configuration and Management of Cisco Nexus 7K and 5K Series Switches, Cisco 6500, 4500, 3750 series Switches, Cisco 2800, 2900, 7200, ASR 1000 Series Routers, ASA, Check Point Firewalls, F5 Load Balancers
• Performed Nexus-OS ISSU and EPLD upgrade.
• Configured policy statements, routing instances, route manipulation on RIP, OSPF and BGP.
• Migrated Sites From EIGRP to OSPF.
• Migrated Data Center Backend Firewalls from PIX to the ASA.
• Deployed Checkpoint GAIA Firewalls at the Data Centers.
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
• Configuring switch ports (VLAN tagging, switch port mode, Port Channel) at distribution and Access layers for new server builds and critical server movement as per requirement
• Used Cisco ISE to grant authenticated users with access to specific segments of the network, or specific applications and services, or both, based on authentication results
• Configuration of Cisco wireless technology including Wireless LAN Controller ( WLC ).
• Infrastructure trouble shooting and TCP/IP Protocols Experience
• Worked in HP blade centers for server storage and used HP One view for automated lifecycle management.
• Provided deep application-aware network visibility and granular performance analytics that empower network administrators to rapidly isolate and remediate problems and improve the user experience using Cisco Prime.
• Configured, Troubleshooted and Monitored Cisco LMS
• Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2Bnetwork connectivity.
• Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP,UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.
• Experience of IP/MPLS/Optical Transmission network for access transport & back haul network to Facilitate 2/3/4G Network.
• Understanding of mobile backhaul network on IP, Ethernet, ATM, PW & TDM.
• Good understanding on iRules.
• Have implemented Cisco ACE load balancers across the DC for various projects.

Confidential, Columbia, Maryland

Sr. Network Engineer

Responsibilities:

• Configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
• Worked on frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
• Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX
• Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.
• Worked on Upgradation of data center network environment with Cisco ASA 5520 & Used Cisco 5520 Wireless Controller to Support centralized, distributed, and mesh deployments
• Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
• Configured Cisco Wireless LAN Controller (WLC) 5500, 4400 series and Lightweight Access point.
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Installed & Troubleshooted layer 2 and 3 issues on Brocade routers and switches
• Working on Racking, Stacking, configuring, Nexus 5K and 2K and 7K.
• Installed wireless access points (WAP) at various locations in the company.
• Actively involved in switching technology Administration including creating and managing VLANS, Port security - 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Performed various scheduled maintenance tasks across numerous platforms and datacenters such as building VLANs and configuring switch ports on Cisco, Brocade
• Have Setup and configure network monitoring and management systems like Whatsup and BNA (brocade).
• Configured Voice ports and Dial peers on the call manager for the VOIP call to reach remote destination.
• Knowledge of VOIP, VPN, and CISCO VOIP PHONE (7960).
• Working on configuration and commissioning of the MPLS circuits for various branch offices.
• Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Design, deployment and maintenance of Enterprise Networks and Datacenters.
• Worked extensively in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance & configuring VLANs/routing/NATing with the firewalls as per the design.
• Configured, maintained, and troubleshot routers and switches ranging from the 1720 series through the 7200 series routers and the 2900 series through the 6500 series switches in a highly redundant dual-homed environment.
• Monitoring the NMS system for different Network Alerts.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.

Confidential, Omaha NE

Network Engineer

Responsibilities:

• Part of Network security team who will be responsible for Installing/Maintaining the Firewalls.
• Day to day activities includes addressing new installations/troubleshooting existing issue across Checkpoint FW (splat/Nokia), Juniper ISG1000 etc.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Monitoring and Inspecting throughput on HP Tipping point Intrusion Prevention System (IPS) S330 series through command line interface and Intrusion Detection Systems (IDS).
• Using Cisco ACE 4700 we reduced data center power and the ACE platform helps to secure data centers and serves as a last line of defense for servers and applications in data centers
• Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2Bnetwork connectivity.
• Troubleshooting and management Cisco, Juniper, Huawei, Redback and Extreme devices.
• Established user identity, location, and access history, which can be used for compliance and reporting using Cisco ISE.
• Used Cisco 5520 Wireless LAN Controller (WLC) to Support up to 1500 access points and 20,000 clients.
• Have created lot of site to site IPSEC VPN tunnel with Checkpoint, Juniper Netscreen firewalls and Cisco PIX/ASA firewalls. Completed a project to update the patch HFA50 across all the firewall to overcome the bugs in the existing version of R65.
• Migrated the user access switch environment which is of HP 5406 to Cisco 3750X, 3750G and 3750V2 environment to get gigabit speed.
• Maintained a backup environment build out of HP8212ZL and HP5406ZL with 10G uplinks to the core.
• Troubleshooting complex issues with wireshark at source and destination which can’t be resolved by the basic troubleshooting like ARP, firewall logs, switch logs and tcpdump.
• Responsible for logging/Resolving the severity calls logged in by Incident management

Confidential

Network Engineer

Responsibilities:

• Troubleshooting, configuring & installing distribution, access level switches and ISR routers, upgrading network setups for LLD upgrades
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, Bluecoat Proxy and Riverbed Steelhead appliances
• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configured Client VPN and RSA Token ID technologies including Cisco’s VPN client via IPSEC
• Actively participated Implementation and customization of customer network.
• Designing, Provisioning and Installation of the Customer Sites in Oracle IPSA for MPLS Backbone.
• Implementation and testing of ISDN BRI/PRI circuits.
• Single point of contact for Client networks. I will be the SPOC for maintaining their uptime from addressing new client installations/Client location moves/day to day issues etc.
• Maintained a 3 layer Cisco architecture network with HP Procurve switches in the access layer and 6500 series as core and distribution layers.
• Responsible for maintaining a client environment which is built out of Verizon MPLS with Juniper Cisco 2600/Juniper SSG5 devices.