SUMMARY

• Certified CCNP Network Engineer with 7+ Years’ of experience in design, implementation, configuration of Cisco Routers, Switches and Firewalls, troubleshooting & fine - tuning of Firewalls, VPN configuration, troubleshooting network related problems in Enterprise& Data Center Networks.
• Hands-on experience configuring and troubleshooting of routing protocols as RIP v1/v2, EIGRP, OSPF, IS-IS, BGP and MPLS on edge routers and so on.
• Expertise in installing, configuring, and maintaining Cisco Catalyst Switches (2900, 3500, 7600, 3700 series, 6500 series, 3650, 9300, 9500), Cisco Routers (1001, 4800, 3800, 3600, 2800, 2600, 2900, 1700) and Nexus 2k, 5k, 7k & 9k.
• Knowledge of Subnetting IPv4/IPv6 addresses and IP address management.
• Design and implement Cisco ACI in datacenters, create a strategy that allows use of containers, cloud orchestration tools for end users and developers.
• Create ACI migration plans (brownfield) create L2/L3 transitions. Map traffic flows for EPGs and BDs. Handle drivers for ML2 and GBP OpenStack.
• Proven ability to administrate and control the operation.
• Providing networking, design, installation and maintenance services.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Experienced in configuring and Troubleshooting BIG-IP F5 load balancer LTM, Creating Vip’s, Nodes, Pools, Pool members and iRules on BIG-IP F5 LTM.
• Responsible for switching tasks such as VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP, RSTP and PVST+.
• Implemented security policies using ACL, IPSec, VPN, AAA Security TACACS+, and Radius on different series of routers and firewalls.
• Design and implement Cisco ACI in Datacenters, create a strategy that allows use of containers, cloud orchestration tools for end users and developers
• Managing Wireless infrastructure of Cisco Wireless Lan controllers and Wireless Access points across the Datacenter and Campus network.
• Provisioning of Cisco LWAP and configuration of Wireless LAN controller.
• Hands on experience working with Cisco Nexus 7K, 5K & 2K Switches.
• Hands on Experience in Data Recovery, Drive/Disk Imaging and Backup.
• Troubleshoot traffic passing managed firewalls via logs and packet captures.
• Configured and deployment of routing protocols OSPF, EIGRP & BGP over Cisco Routers in Production environment.
• Knowledge on Software Defined Network with Cisco ASI.
• Extensive support for LAN, WAN, WLAN including IP address assigning and Configuration and implementing protocols such as EIGRP, OSPF and BGP.
• Knowledge on Python scripting.
• Knowledge on F5 Application Security Manager (ASM).
• Experienced working on network monitoring and analysis tools like, SOLAR WINDS, CISCO works, RIVER BED and Wireshark, Spectrum and Net Brain.
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, TFTP, WinSCP, Quality of Service (QOS), PAP, CHAP, HTTPS, ICMP, TCP, UDP

TECHNICAL SKILLS

Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, 7200, ASR 1001x, 4331, 2911)

Switches: Cisco L2 & L3 Switches (2900, 2921, 3550, 3560, 3750, 4500, 5000, 5505, 6509, 3650, 9300, 9500), ASA, PIX, FWSM, Juniper, Netscreen, Nexus 2k, 5k, 7k, 9k.

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, VLAN, Inter-VLAN Routing, VTP, STP, RSTP

Firewalls: Checkpoint, Palo Alto, Juniper SRX Cisco ASA 5520, Zywall USG 100, Firewalls/VPNs ASA, PIX, Cisco VPN 3000 Series Concentrator.

F5 Load Balancers: F5big-IP LTM/GTM, APM, ASM and BigIQ

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

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, IPV6, TACACS+, Radius, NX-OS, IOS-XR, IOS, Cat IOS.

Network Management Tools: Wireshark, Netflow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, SolarWinds, Spectrum, Infoblox, Cisco Prime, Cisco ASA.

Wireless Technologies: Cisco Wireless Controller 5520, 5080, Cisco Wireless access point 1572, 2702 and 3802.

Tools:, Software’s: VM ware, Virtual Box, Cisco packet tracer, GNS3, Cloud computing concepts, Software Defined Networking, MS Visio.

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Sr. Network Engineer/Admin

Responsibilities:

• Configuring, Installing and Implementing Cisco ASR/ ISR (1001, 1001x, 4331, 2911) series routers throughout all the airports and Delta Air Line’s datacentres.
• Working on Layer 2 and Layer 3 Network Designing, implementing protocols such as BGP, EIGRP, OSPF, STP, VLANs and troubleshooting, which involves Cisco routers, Catalyst 3560 CX,6509 E, 3650-24A, 3650-CX, 9300-48A, 9500-40X series and Nexus 7k,9k series switches in multi VLAN environment using inter VLAN routing, HSRP, ISL-Trunk, & Ether-channel.
• Managing Wireless infrastructure of Confidential which consists of 15 pairs of Cisco Wireless Lan controllers and 4000 Wireless Access points.
• Tier 2 and Tier 3 Wireless Engineer for Wi-Fi connectivity at campus, airport gates, Terminals, Jet Bridges, warehouses, Concourse, Baggage scanning area, aircraft engine testing area etc.
• WAN QOS engineering and implementation such as route maps, prefix lists, shape average policies, NETFLOW on interfaces, BGP attributes and Route redistribution.
• Replacing the existing Airport Network infrastructure with new infrastructure and involving in multiple LAN - WAN refresh projects across all Delta Air Line’s office locations.
• Engaging network capacity requirements and closely working with vendors to design enterprise level redundant based MPLS connectivity architecture; to provide high bandwidth circuits throughout all the Airports and at other Delta Air Line’s office locations.
• Implementing and configuring of DMVPN and Performance Routing (PfR) on Cisco routers at core datacenters and remote sites, which are of the Delta Air Lines iWAN project architecture.
• Examining the site requirements and configuring B2B VPN by implementing crypto maps, ACLs and encryption standards for Dual Hub DMVPN at Delta Air Lines headquarters.
• Writing Python/ YAML automation scripts in Git-lab environment and deploying it Ansible Tower (AWX) to implement IOS upgrades and other operational changes in multiple network devices.
• Designing, implementing, and managing software defined networking (SDN) solutions such as Cisco Application Centric Infrastructure (ACI) in Delta Air Lines' core data centers.
• Implement High-Availability from VRRP and virtual chassis, implement protocols from OSPF, IS-IS, BGP, GRE, NAT, VRF/Routing Instances and work with layer 2 best practices from a Data Center perspective using vPC, Fabric Patch and VPLS/OTV, Multihop FCOE, and FCIP.
• Providing Point to Point Peering with various vendors such as Azure Cloud and AWS Cloud, via Cisco SAE (Secure Agile Exchange) platform using vendor Equinix facility.
• Design domestic and international WAN solutions utilizing MPLS, IP VPN, SIP Trunks, VOIP, Hosted PBX, UCaaS, Network Security and ATT Net-Bond cloud-based services.
• Works on different kinds of network troubleshooting and take the ownership of the issue and provide the resolution as per SLA. Engage OEM as needed. Good knowledge of change management process and team coordination.
• Design, recommend and implement new solutions to improve the resilience of network operations like Cisco live Action and DNA center tools.
• Installing and upgrading Cisco Voice gateways, UCaaS and PBX.
• Configuring rules and maintaining Checkpoint and Palo Alto Firewalls & Analysis of Firewall logs.
• Securing Internet facing products and corporate infrastructure (load balancers, DMZs, remote access VPN, proxies, gateways)
• Maintaining Project documentation & implementing and maintaining network monitoring systems (Cisco works & Spectrum) and experience with developing network design documentation and presentations using VISIO.
• Configuring IPAM, DNS and DHCP on Infoblox.
• Installed and configured f5 Big-Ip LTM and GTM to provide Load Balancing across multiple datacenters.
• Configuration of IP-Sec VPN tunnels to remote sites using IKEv2.Using tools like cisco works, we can monitor the remote sites connectivity.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
• Performing network monitoring, providing analysis using various tools like Riverbed, Solarwinds, Spectrum and Syslog.
• Involved setting up the TFTP server for backing up the IOS images and configuration files of Cisco Routers and Switches and troubleshooting the file servers.

Environment: LAN, WAN, HSRP, RIP, OSPF, BGP, EIGRP, VLAN, MPLS, STP, RSTP, Ansible, Cisco-Prime Infrastructure, Infoblox, DNS, DHCP, TACACS, Infoblox, Spectrum, Service Now, WAAS, Network Resilience, Microsoft-Visio, Solar winds, Cisco works.

Confidential, Chicago, IL

Sr. Network Engineer

Responsibilities:

• Performed pre-sales and post-sale support for all products and services, including perimeter solutions.
• Installing & manage ACL’s in Cisco 5520 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP, BGP and OSPF (Single Area and Multi Area).
• Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution.
• Experience in deploying, configuring & maintaining F5 3DNS (Global traffic Manager) and BigIP -LTM(local traffic manager) for wide area load balancing and global redirection using VPN and Proxy load balancing techniques.
• Worked with Cisco Layer 3 switches 3750,4500,6500; Cisco Nexus 5596 and 7010 in multi VLAN environment with the use of inter-VLAN routing, 802.1Q trunk, ether channel
• Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
• Hands on experience with Juniper EX-Series Ethernet Switches.
• Configuration of Access List ACL (Std., Ext, Named) to allow users all over the company to access different applications and blocking others.
• Performed layer 2/layer 3 switching configurations like ISL/802.1q trunking, Inter-VLAN routing, port-security, STP and EtherChannel configurations.
• Worked on 2600, 3500, 7613 Cisco Routers and 4500 and 6500 series Cisco Switches.
• Strong experience in configuring protocols CDP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Created standard access lists to allow SNMP, NTP and logging servers.
• Troubleshoot traffic passing managed firewalls via logs and packet captures.
• Experience working with Nexus 7010, 5020, 2148, 2248 switches.
• Configured multiple domain name services (DNS), email services (Exchange Server), web, and file transfer protocol services (FTP) for various platforms including line leasing through DHCP servers.
• Plan Design and assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Understand the JUNOS platform and worked with IOS upgrade of Juniper devices.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development.
• Experience with Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Worked with Carrier to test and turn-up circuits.
• Installed wireless access points (WAP) at various locations in the company.
• Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.

Environment: Juniper SRX 550, F5BIG-IP LTM 8900, ISDN, Frame relay, PPP, NAT, DHCP, TCP/IP, VPN, LAN, WAN, RIP, OSPF, EIGRP, OSPF, BGP, VLAN, MPLS, Cisco ASA 5520.

Confidential

Network Admin

Responsibilities:

• Managing and troubleshooting of Cisco 12K GSR, 7600, 7200VXR and Juniper M320 routers including installation, upgrade, configuration and network management.
• Installing & manage Cisco 5505 ASA Firewall, create policy for App server and client machine, creating firewall object, group, Web filtering, Content filtering, Routing, NAT, Port forwarding.
• Configuring managed CPE routers such as Cisco 2600, 3640, 7200VXR for eBGP peering.
• Configuration and support of multi area OSPF environment with SPF throttling.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Installation, Configuration and Troubleshooting of all Firewall, Wireless and Desktops / Server.
• Securing network by developing network access, monitoring, control, evaluation, and maintaining documentation of the network.
• Monitoring performance and system events (Memory Performance, Disk Performance, Network Performance, Application Performance, and System Security).
• Managing and maintaining Asset management Data base.
• Installing software’s like Tally, Saral pay pack and configuring printers.
• Uploading file through using cute ftp, winscp and FileZilla software.
• Configuring & Monitoring Nano station devices to connect from one location to another location.
• Configure & maintain the DVR for CCTV Cameras.
• Upgrading the OS patch and Service pack.
• Outlook configurations and support.
• Trouble shooting desktops and laptops and thin client machines.
• Sets up computers for new users and ensures delivery of equipment to users in different locations if necessary.
• Assists with the inventory management of software licenses, software, hardware, and other IT supplies.
• Securing network by developing network access, monitoring, control, evaluation, and maintaining documentation of the network.
• Provides technical support and problem resolution for network issues.
• Installing & maintaining updates of Anti-virus.
• Managing and maintaining Asset management Data base.

Environment: Cisco 5505 ASA, RIP, OSPF, Static, LAN, WAN, Cisco 12K GSR, 7600, 7200 VXR, Cisco 3550/4500/6500 , MS Visio, VLAN, VPN.

Confidential

Technical support Administrator

Responsibilities:

• Managing Datacenter with Cisco Routers and nexus switches.
• Performed the Redundancy between the Datacenter in IL between Downtown office and DR Solution Provider for Disaster Recovery.
• Provide support that is operational in nature with a focus on maintaining excellent day-to-day functioning of all aspects of the voice and data network.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Experience with migrating the Partner IPsec VPN tunnels from one data center to another data center.
• Worked on Cisco VNMC (Virtual Network Management Center) for ASA 1000v Virtual (VMware) Firewall management.
• Configured Cisco ASA 5505, migrated configuration from PIX (506E/515E/525) and checkpoint firewalls to Cisco ASA 5500(5510/5540), and upgraded the ASA Software.
• Design, provisioning and troubleshooting of WAN connectivity technologies.
• Configuring the DNS, DHCP, Quality of Service, IPsec Tunnels (VPN) and Switches, Firewalls Rules.
• Supported core network consisting of Cisco routers running multi area OSPF. Implemented stub/Totally stub areas as per requirements.
• Enterprise network routing architectures using protocols such as SIP, OSPF, and static routes.
• Optimized OSPF and EIGRP network reducing network multicast traffic.
• Configuring IPsec VPN Site-site, GRE Tunneling and SDM along with troubleshooting.
• Installation, configuration, and testing cisco equipment’s, IOS updates, and configuration changing, troubleshooting various LAN/WAN technologies issues for internal and external clients, monitoring network performance, defining network policies and procedures.
• Resolve customer WAN/LAN/wireless/load balancing networking issues.
• Installed and configured Solar Winds server.
• Extensive day to day work with Spanning Tree Protocol and multiple VLANs.
• Migration of WLAN segment on the LAN Core and configures Virtual LANs in wireless LANs.
• Provide technical assistance and support for incoming queries and issues related to Networks, computers systems, software, and equipment hardware.
• Evaluating network performance, including availability, utilization, throughput, and latency.
• Provide technical training, design support, on call support for LAN and WAN Engineering.
• Greatly enhanced network manageability using SNMP, NTP, SSH and Solar Winds.
• Trouble shooting desktops and laptops and thin client machines.
• Troubleshooting LAN problems and Network Problem.
• Security policy review and configuration in Zywall USG 100 Firewall in offices and Datacenter.
• Maintaining network performance by performing network monitoring and analysis, and performance tuning, troubleshooting network problems.
• Support and maintain the overall network infrastructure which included LAN passive components, routers, switches, firewalls etc.
• Maintains knowledge of applicable technologies in voice and data networking, Internet, wireless, and data processing.

Environment: OSPF, EIGRP, DNS, DHCP, Cisco ASA 5505, LAN, WAN, SNMP, NTP, SSH, Zywall USG 100, Solar Winds, VPN, MLSP, VNMC