SUMMARY

• Cisco Certified Network Associate (CCNA) and Cisco Certified Network Professional (CCNP) with over 6 years of working experience with Cisco products.
• Strong hands on experience on Cisco Catalyst (1900, 2900, 3550, 3750, 6500) series switches, Cisco (2500, 2600, 2800, 3600, 3800, 7200) series Routers, PIX Firewall (506, 515, 525, 535)/ ASA Load Balancers using Cisco ACE, F5, Security Device Manager (SDM), Cisco Works, HP Open View, Solar Winds, Sniffer.
• Implementation of Juniper Firewall, SSG Series, Net screen Series ISG 1000, SRX Series.
• Worked on Juniper Net Screen Firewalls like, NS50, SSG 550M, SSG520M, ISG 1000, and ISG 200.
• In - depth knowledge and experience in WAN technologies including OC3, E3/T3, E1/T1, Point to Point, MPLS and Frame Relay
• Experience in Configuring and implementing VLAN, VTP domains, LAN switching and STP/RSTP
• Experience on Wide area application services
• Experience in QOS on multicast VPN
• Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay & MPLS), Routing protocol configurations (RIP, EIGRP, OSPF, BGP)
• Proficiency in configuration of VLAN setup on various CISCO Routers and Switches.
• Extensive hand on experience with complex routed LAN networks, CISCO Routers and Switches.
• Working configuration of new VLANs and extension of existing VLANs on/to the necessary equipment to have connectivity between two different data centers.
• Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• Experience through Hand-on Experience with configuring T1.5, Gigabit Ethernet, Channelized T3 and full T3, OCX, ATM, Frame-Relay and VOIP (Voice-Over Internet Protocol).
• Configured and managed Nexus 2k fabric extender, 5K and 7K switch network at the client's location.
• Aggregating switch links using LACP and PAGP protocols.
• Implementation and Troubleshooting of WAN authentication protocols- PPP, CHAP and PAP.
• IP addressing and IP address scalability by configuring NAT/PAT.
• Experienced working on network monitoring and analysis tools like, SOLAR WINDS, CISCO works and RIVER BED and Wire shark.
• Experience with F5 load balancers and Cisco load balancers (CSM, ACE and GSS).
• Experience on load balancing strategies/techniques, expertise in application switching/traffic management, knowledge of persistence and SSL certificates.
• Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.

TECHNICAL SKILLS

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Switches: Nexus 2K/5K/7K, Cisco Catalyst 2900, 3500,4500, 3750, 2960

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging.

NetworkSecurity: Cisco ASA 5540, ACL, IPSEC, F5 Load Balancer, Checkpoint

Load Balancer: F5Networks(Big-IP) LTM 8900 and 6400.

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay, VOIP

Gateway Redundancy: HSRP and GLBP, WAN Optimizer Riverbed, Steelhead Appliance,DHCP and DNS Infoblox

Various Features & Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

NetworkManagement: Wire shark, SNMP, Solar winds

PROFESSIONAL EXPERIENCE

Sr. Network Engineer

Confidential, Dallas TX

Responsibilities:

• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and criticalnetworklinks by coordinating with the vendor.
• Troubleshooting the Juniper SRX100 and 110 series, Juniper Net screen routers with Site-Site VPN, and firewalls for Supervalu Retail sites.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
• Installing and configuring new cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
• 24x7 on-call escalation support as part of the security operations team.
• Working closely with Data center management to analyze the data center sites for cabling requirements of variousnetworkequipment.
• Having Data Center Design Experience, installing and ConfiguringNetworkDevices in a Data Center including patching the cables in the Patch Panel. Design and implementednetwork
• Hands-on experience in thenetworkmanagement of circuits using TDM and Frame Relay Managing and providing support to various project teams with regards to the addition of new equipment such as routers switches and firewalls to the DMZs.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Experience in migration of VLANS.
• Handling enterprise outages effectively and driving towards the resolution. Coordination of fault escalations in conjunction with the 1st high-level technical management of high priority or technically complex calls.
• Working with Capacity management onnetworkbandwidth utilization reporting of the sites WAN link and vendor co-ordination for new site turnovers / WAN links.
• Preparing Metrics report detailing on SLA performance of tickets and process quality report to analyze team performance & discussion on the improvement areas (By monthly).
• Providing training to new comers and effectively working towards a process quality improvement in the Team.
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
• Supporting EIGRP and BGP based on thenetworkby resolving level 2 & 3 problems of internal teams & external customers of all locations
• Performing troubleshooting on slownetworkconnectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.
• Extensive hands-on experience with complex routed LAN and WANnetworks, routers and switches.
• Hands-on experience with Ether Channel, Spanning Tree, Trunking, ACLs, Syslog. Experience in the setup of HSRP, Access-Lists, and RIP, EIGRP, and tunnel installations.
• Proficiency in configuration of VLAN setup on various Cisco Routers and Switches.
• Work assigned tickets to determine the point of failure and resolve problems remotely utilizing available tools and other Operation Center resources.
• Provide escalation support to L1 members ofnetworkteam.
• Worked with different ISP globally for any WAN circuit and BGP routing issues. Opening cases for CE routers, Riverbed optimizer issues.
• Work & escalate problems effectively to meet customer SLA's (service level agreements).
• Perform problem management and root cause analysis for customers as required.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.

Environment: Juniper SRX 100,110 series, Cisco ASA Firewall, Cisco 5K, 6k series, Nexus 2k, 5k, 7k series, TDM, DMZ’S, EIGRP, BGP, Spanning Tree, RIP.

Sr. Network Engineer

Confidential, Charlotte NC

Responsibilities:

• Configuration Cisco 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Create and test Cisco router and switching operations using OSPF routing protocol.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Implemented MPLS VPNnetworksto test various problem reproductions in lab
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configuration and troubleshooting of Cisco 6500, 7500, 7200 Series routers.
• Extensively worked on Nexus 5k and 7k, configured and troubleshooted
• Managing and supporting large scale MPLS & Frame relay on Cisco environment for more than 5000 Retail sites, 100 Distribution centers, 100 offices and 3 datacenters.
• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and criticalnetworklinks by coordinating with the vendor.
• Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
• Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment
• Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
• Building the VPN tunnel and VPN encryption.
• Involved in Configuration of Access lists (ACL) on ASA firewall for the propernetworkrouting for the B2Bnetworkconnectivity.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and relatednetworksecurity measures.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Configured the Cisco router as IP Firewall and for NATting.
• Having Data Center Design Experience, installing and ConfiguringNetworkDevices in a Data Center including patching the cables in the Patch Panel. Design and implementednetwork
• Configuring various advanced features (Profiles, monitors, I Rules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
• Implement changes on switches, routers, load balancers (F5 and CSS), wireless devices per engineer’sinstructions and troubleshooting any related issues.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
• Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter-VLAN routing, LAN security etc.
• Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.

Environment: Cisco 3k, 4k, 5k, 7k series, OSPF, HSRP, 801.1Q, Nexus 5k, 7k series, MPLS, ASA Firewall, Pix Firewall 506,515 series, F5 BIGP LTM, VPN, STP, EIGRP, RIP, BGP, IP Firewall.

Network Engineer

Confidential, San Antonio, TX

Responsibilities:

• Involved in Configuring and implementing of Composite Network models which consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
• Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effectivenetworksolutions to accommodate customer requirements and project scope.
• Configuring, Maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and trouble shooting.
• Experience with Project data and voice documentation tools & experience with developingnetwork design documentation and presentations using VISIO
• Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.
• Configured RIP, PPP, BGP and OSPF routing.
• Experience with design and implementation of Data center migration.
• Data center migration was involved in Access, Distribution and Core layers
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Identify, design and implement flexible, responsive, and secure technology services
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Implemented Positive Enforcement Model with the help of Palo AltoNetworks.
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing.
• Creating and provisioning Juniper SRX firewall policies.
• Deployed the switches in high availability configuration with HSRP.
• Configured udld, port-fast, uplink fast and other spanning tree features.
• Monitorednetworkfor optimum traffic distribution and load balancing using Solar winds.
• Implemented security measures to keepnetworksrunning and secure. Configured extended ACLs to filter traffic and gave restricted access to certain users.
• Supervised call center and technician routine maintenance and up-gradation ofnetworkdevice.
• Providednetworkand workstation support.
• Interfaced with customers and senior management for problem resolution and project planning.

ENVIRONMENT: Cisco 2k, 3k, 5k, 6k, 7k series, F5 Load Balancer, MPLS, RIP, EIGRP, OSPF, BGP, MPLS, ISDN, RIP, PPP, LDPAlto, Juniper SRX Firewall, HSRP, Solar Winds, ACLs, UDLD.

Sr. Network Engineer

Confidential

Responsibilities:

• Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 2950, 2960, and 3560 switch configurations
• Support 24x7 operations and answer calls from the customers onnetworkemergencies and resolve issues broad Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic NAT
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
• Experience with CSM, F5 (LTM) Load balancers to provide efficient switching and routing for local and global traffic.
• Configured RIP, OSPF and Static routing on Juniper M and MX series Routers
• Configured VLAN, Spanning tree, VSTP, SNMP on Juniper EX series switches
• Designed and implemented remote dial up solution for clients
• Installed and configured workstations for IP based LAN's
• Install and manage Cisco Catalyst 3500XL, & 2960 series Switches and Cisco 1800, 3900 series routers
• Configured VLANs, Private VLANs, VTP and Trunking on switches.
• Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic Natting
• Involved in all technical aspects of LAN and WAN projects including, short and long-term planning, implementation, project management and operations support as required
• Conduct through analysis, problem solving, and infrastructure planning
• Provide assistance toNetworkManager and serve as SecondaryNetworksupport.
• Troubleshoot and fix any backup and monitoring systems related issues in conjunction with Systems team and external vendors.

Environment: Cisco 1k, 2k, 3k, 7k Series, VPN, NAT, F5(LTM), Juniper M and Mx Series, VSTP, SNMP, RIP, OSPF, VTP, CSM.