SUMMARY

• Cisco Certified with handling 7+ years of experience in Networking, including hands - on experience in IP Network design providing network support, installation and analysis.
• Expert in Cisco IOS for configuration & troubleshooting of routing protocols: OSPF, EIGRP, RIP, BGP, MPLS.
• Implementing IP addressing schemes, LAN/WAN protocols, IP Services, to fulfill network requisites in different environments.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Efficient in trouble shooting and implementing complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP.
• In-depth knowledge and hands-on experience in Tier I ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, PAT, DHCP, DNS.
• Gained experience working with Layer-2 and Layer-3 Switching and Security.
• Implemented redundancy with HSRP, VRRP, GLBP.
• Researched, designed, and replaced aging Cisco ASA firewall architecture with new next generation Palo Alto devices serving as firewalls and URL and application inspection devices.
• Switching tasks include VTP, ISL/ 802.1q, IPsec and GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP and RSTP.
• Complete Devices installations, maintenance and perform regular upgrades and patch work on F5 load balancer devices.
• Setup and Configured Cisco ISE authentication and postures assessment servers.
• Worked on implementation of the basic F5 LTM and F5 Fire pass F5 APM.
• Working on configuration of F5 devices such as LTMs, APM, GTMs, EMs, Fire pass and ASM.
• Firmware development of python.
• Good experience with Firewalls like Palo Alto PA-3050, PA-5050, ASA, Cisco ASA 5500, Checkpoint.
• Configured, Monitored and Maintained Virtual server farms consisting VMWARE, and Hyper V.
• Expert in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200) series.
• Good experience in networking, installing, configuring and maintaining network devices.
• Designing, Implementing and troubleshooting of all kind of network requirements pertaining to the Data Center environment (Nexus, UPS etc.).
• I worked 24/7 gathering information from clients, troubleshooting network problems and giving assistance to supporting tools.
• Good understanding of various data communication methods.
• Working experience with Python multithreading, serial, database API's, Inter Process Communication and Networking (SSL Sockets, SSL Contexts, Certificates).

TECHNICAL SKILLS

Software: Python, Microsoft Excel, Microsoft Outlook, Microsoft Word, Microsoft PowerPoint.

Operating Systems: UNIX, Linux, Windows version.

Firewalls: Palo Alto PA-3050, PA-5050, Cisco ASA 5500, Checkpoint.

Networking: IPV4, IPV6, TCP/IP, WANs, LANs, VMware, Routers and Switches

Routing Protocols: OSPF, EIGRP, Spanning tree

Network Management tools: Solar winds, Wireshark

IP Routing: RIPv1, RIPv2, BGP, OSPF, IGRP, EIGRP

Installation and Configuration: Cent OS Linux, VMWARE Vitalization, Shell, Perl Scripting. Installation and configuring of SUN Solaris and Linux servers.

Network Configuration: Advanced switch/router configuration (Cisco IOS access list, Route redistribution/propagation, JUNOS switching).

Networking and Tools: IPV4, IPV6, TCP/IP, WANs, LANs, Routers and Switches, Putty, Solar winds, Wire Shark.

Routing Protocols: IGRP, EIGRP, OSPF, BGP v4, IS-IS, RIP

WAN Protocols: HDLC, PPP, MLPPP

Packet Switched WAN: FRAME RELAY, MPLS VPNs

Redundancy and management: HSRP, VRRP, GLBP, Solar winds, SNMP

Physical interfaces: Fast Ethernet, Gigabit Ethernet

Layer 2 technology: VLAN, HSRP, VRRP, GLBP, STP, RSTP

Cisco Routers: Cisco 7200vxr, Cisco 3640, Cisco 3600, Cisco 2600 Cisco 2800, Cisco 3600, Cisco 3800, Cisco 7200, Cisco 7600Checkpoint, F5 Load Balancer, ASA firewall

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr. Network Administrator

Responsibilities:

• ConfigureHSRP, VRRP & GLBP andVLANTrucking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Configuring Static IGRP, EIGRP, BGP and OSPF Routing Protocols on Cisco1600, 2600, 2800, 3600, 7300 series Routers.
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Implemented traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Worked on Spanning tree design to help create a loop-free network topology
• Gained Knowledge on Nexus FEX-2K (2248, 2232), 5K (5548, 5020, 5010) and 7K (7018, 7010) series switches.
• Maintained complex LAN/WAN networks with several VLANS, VPN and provided support for routing protocols and providing secure sessions over internet using IPsec and SSL encryption.
• Configured Net Screen Firewall to allow site to site VPN access and configuring authentication, encryption, and compression.
• Designed and implemented security policies using ACL, Firewall and F5 Load Balancer.
• Worked as F5 load balancer engineer involving complete support day in and out work on the F5 load balancers LTMs, GTMs, EMs in Datacenter and remote functions.
• Design & Installations from ground up of the F5 appliances and the solution delivery.
• Configuration and troubleshooting issues related to access lists and DNS/DHCP issues within LAN/WAN Network.
• Implemented protocols and telecommunication access methods such as SNA, HDLC, and TCP/IP.
• Used Cisco Identity Service Engine (ISE) for wireless authorization, profiling, posturing, provisioning and for monitoring users' access to network.
• Design Engineering to provide high-level design documentation followed by configuration of Cisco Routers, Switches, ASAs, and Cisco ISE.
• Experience in configuration Voice over IP (VOIP).
• Specialize in VoIP traffic analysis and designing VoIP networks.
• Responsible for company network infrastructure that includes Cisco Switches, Routers, Sonic Firewalls, Access Points, Servers and PBX.
• Administration and maintenance on SAN, Brocade switches and Black.
• Configured Nexus 7k, 5k, 2k.
• Experience working with ASR1002, ASR 1004 with IOS-XR and also deployed ASR routers in the Campus WAN environment with OC3 and Gigabit modules.
• Worked on data centers using Nexus 7K and also FCOE on 5548 between the data centers.
• Configured Site to Site IPsec VPN tunnels specifications of Phase 1 and Phase 2 policies using to peer with different clients and each of client having different Cisco ASA 5500 series firewalls.
• Management and control of network traffic by performing Perimeter Firewall type like state ful packet inspection, connection monitoring, and application-level filtering.
• Virtual private network (VPN) gateway functionality by providing IPsec authentication and encryption together with Network Address Translation-Traversal (NAT-T).
• Allowing permitted IPsec traffic to traverse the firewall with public to private IPv4 address translation.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Set up, configure, support and maintain a wide variety of networking equipment including Cisco, Alcatel-Lucent routers and switches.
• Firewall deployment, rules migrations, firewall administration and converting existing rule based onto new Checkpoint and Palo Alto Next-Generation Firewall platforms.
• Working knowledge of Brocade switches, Cisco Switches and copper Gigabit Ethernet network.
• Assisted with VMware planning, consolidation and upgrades.
• Performed cost analysis supporting consolidation of physical servers into VMware.
• Successfully installed Palo Alto PA-3050, PA-5050 firewalls to secure zones of network.
• NAS and SAN (Net app) is developed to work on Linux and Windows data based storage platforms and development of different test modules and their automation.
• Manage Firewall deployment, rule implementation and monitoring, Fortinet Upgrades, Site-to-Site VPN configuration and Cluster implementation/configuration
• Worked on Automation testing projects with Java, Python, Selenium Web drivers, PowerShell.
• The data centers consisted of various Cisco platforms Cisco 3550, Cisco 4510, Cisco 6509, Cisco 5500, Cisco Nexus 5000 & 7010 series switches and Load Balancer Cisco ACE, CSS and Big IP.
• Experience on Check Point Firewalls NG, R61, R65, R70, R77.
• Configuring rules and Maintaining Palo Alto & Sonic Firewalls and Analysis of firewall logs using tools.
• Configuring TACACS, LDAP and RADIUS for Cisco ASA and Palo Alto firewalls.
• Configured routes on Palo Alto firewalls 3060, 5060, 7050. Configuring TACACS+, LDAP, and RADIUS for Cisco ASA and Palo Alto firewalls.
• Integrating Panorama with Palo Alto firewalls, managing multiple Palo Alto firewalls using Panorama.
• Report issues to RF Engineers, RF Design, Performance Engineers and Optimization Engineers, Modem Engineers and Switch operators while working on the Field.
• Create Post Optimization Activation Report for new and upgrade sites and submit report to RF team for FCC regulations.
• Worked completely on Cisco 7200/3845/3600/2800 routers, EIGRP, RIP, OSPF, BGP, VPN, and Ether Channels.
• Provided 24/7 on call support for operating team.

Confidential, Roanoke, VA

Cisco Engineer

Responsibilities:

• Maintain a thorough understanding of the basics behind the Internet and its workings (DNS, Security, IP Routing, VPN, VLAN etc.)
• Infrastructure trouble shooting and TCP/IP Protocols Experience.
• Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay & MPLS), Routing protocol configurations (RIP, EIGRP, OSPF, BGP).
• Experience with DS-IOS Engineer on project to install and integrate 16 Alcatel-Lucent 7750 SR7 routers into a new, stand-alone, Sprint Managed MPLS WAN.
• Extensive knowledge of deploying and troubleshooting L2/L3, TCP/IP and Multilayer Switches.
• Worked on wireless technologies like HDLC, FRAME RELAY, DMVPN, PPP and VPN.
• Implemented X.25 and converted SNA protocols.
• Configured protocols (TCP/IP, SNMP, SMTP, FTP, IPX/ SPX) to ensure network connectivity.
• Operation and Maintenance of top level aggregated WAN infrastructure over 50 routers.
• Expertise in implementation and troubleshooting of protocols such as STP, RSTP, PVST, HSRP and VRRP.
• Worked on POC for LDAP authentication.
• Extensive experience in dealing with Vendors for MPLS/DSL installations.
• Expertise in implementing Layer 2 technologies including VLAN's, VTP, STP, RSTP, Trunking and Port-security, expertise on working with Ether channel technology (LACP, PAgP).
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Worked on Cisco PIX 500 series and ASA 5500 series Firewall providing support and configuring for NAT, PAT & advanced Firewall rules implementation. IPS on ASA’s with Botnet protection.
• Managing Access list on F5s and check for the ACLs on Firewalls.
• Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.
• Used load balancers ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.
• Gathering requirements from project teams to and implementation primarily on the F5 load balancer devices both LTM/GTM for configurations on the devices.
• Configured ASA 5520 to ensure high-end security on the network with ACLs and Firewall.
• Deploying and configuring Cisco Nexus 7000, 5000 and 2000 switches.
• Worked on Layer 2 Switching and Cisco Nexus and the design/implementation of large-scale solutions.
• Palo Alto SSL decryption installation and configuration on PA 3060,5060, and 7050.
• Experience with Cisco Catalyst 6500, 4500, 4900 switches and Cisco 2800, 3600, 3800, 7200 & 7600 series Routers.
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• Maintained TACACS+ and RADIUS servers for AAA and user authentication.
• Security policy review and configuration in Palo Alto and Juniper SRX Firewall in offices and Datacentre.
• Brocade Fabric Configuration and Management. Coordination with Vendors Like EMC and Brocade.
• Implemented many security policy rules and NAT policy rules on Palo Alto, created Zones, implemented Palo Alto Firewall interface, Palo Alto IDS and VLAN.
• Administration and Troubleshooting on Brocade switches.
• Lab Implementation of multiple security contexts in ASA firewalls and Checkpoints configures redundancy (Active-Active failover and active-standby failover).
• Configuring, maintaining and troubleshooting with Fortinet firewall and security.
• Troubleshoot, monitor and configure Fortinet Firewall issues and other smart console applications using CLI.
• Advanced knowledge of Cisco ASA, Checkpoint, Fortinet and Palo Alto firewalls.
• Implemented I Manage cloud solution, Configured VPN on Brocade (Vyatta) 5400 vRouter.
• Lead for Soft layer network management supporting Vyatta firewalls/routers.
• Designed perimeter security policy by Implementing Firewall ACL's Allowed access to specified services.
• Configured Client VPN technologies including Cisco's VPN client via IPSEC.
• I worked with ASR 9000 with IOS XR and worked with ASR 1002, 1004 with Gigabit and OC3 modules for different campus designs.
• Monitor and provide report to RF Engineers for increase capacity in the areas where the sites has low coverage.
• LTE Builds, RF Calibration, RF conformance Testing (PCT), IRAT, IFHO, Cell Selection, Reselection, Mobility, PS, CS, SMS and Supplementary Services.
• Create RF Frequency Propagation simulations using the ATOLL Planning Tool for WCS sites.
• Extensively worked with Remedy ticketing system and provided 24/7 on call support for production.

Confidential, Chicago, IL

Network/ System Engineer

Responsibilities:

• Configured RIP, PPP, BGP, MPLS, EIGRP and OSPF routing protocols.
• Efficient in trouble shooting and implementing complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS.
• Gained experience working with Layer-2 and Layer-3 Switching and Security.
• Implemented redundancy with HSRP, VRRP, GLBP.
• Configured and performed software upgrades on Cisco Wireless LAN Controllers 5508 for Wireless Network Access Control integration with Cisco ISE.
• Expertise in Cisco ACS, Juniper Steel Belt, Radiator and Cisco ISE Authentication, Authorization and Accounting Protocols.
• Expert Hands on Experience in Cisco ACS & Cisco ISE for 802.1x, AAA Configurations.
• Integrated Panorama with Palo Alto Firewalls, managing multiple devices simultaneously.
• VPN User access management on Palo Alto Firewalls. Used LDAP for identifying user groups.
• Responsible for configuration and troubleshooting of Site to Site as well as Remote Access VPN on Palo Alto Firewall.
• Worked on building IT security infrastructure including Checkpoint, Juniper and Palo Alto firewalls.
• Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/ switches/firewalls.
• Worked with Palo Alto firewalls PA250, PA3020, PA5020 using Panorama performing changes if required.
• Converted Cisco ASA VPN rules over to the Palo Alto solution. Backup and restore of Palo Alto and Cisco ASA Firewalls policies.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Expertise in configuring and troubleshooting of Palo Alto, Juniper NetScreen& SRX Firewalls.
• Palo Alto SSL decryption installation and configuration on PA 3060, 5060, and 7050
• Switching tasks include VTP, ISL/ 802.1q, IPsec and GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP and RSTP.
• Configured Fortinet Firewall, URL and IPS Policies.
• Troubleshooting on the full range of Fortinet products.
• Hands on experience with LAN protocols like, VLAN STP, RSTP, VTP and port channels protocols like LACP, PAgP.
• Switching related tasks included implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches.
• Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Configuring HUB and SPOKE tunnels using DMVPN.
• Configuring and troubleshooting type of routing to route traffic flow per customer requirement as primary, backup/load balanced and load splitting.
• Configured and debugged policy based routing for special traffic, route filtering with route maps, route redistribution.
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN.
• Configuring Cisco Routers (2500, 3000 and 4000) using RIP, IGRP, OSPF, EIGRP. And Catalyst 3750, 3650, 4K switches.
• Building the VPN tunnel and VPN encryption.
• Project involved was upgrading Cisco nexus 2000 series switches with Cisco nexus 5000 series switches.
• Configured VLAN Trucking 802.1Q, STP, and Port Security on Catalyst 6500 switches.

Confidential

Network Engineer

Responsibilities:

• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches.
• Configured and supported TCP/IP networks.
• Configuring and maintaining CISCO Routers (7600) and Switches (3750, 4900 and 6500) in multi VLAN environment and inter VLAN routing.
• Experience with data center converged networking based on Cisco Nexus 7k,5k,2k.
• Configured RIP, PPP, BGP and OSPF routing.
• Troubleshoot connectivity issues and Monitor health of the firewall resources as well as work on individual firewall for advanced troubleshooting.
• Configured and trouble shooter VLAN, VTP, STP and Trunks.
• Take care of the Logging issues of the F5 load balancer and how it works with the syslog servers making sure the communications through the switches and routers.
• Installing the F5 TMOS upgrades, Hot-fix installations depending on Business need.
• Prepare test plans for checking the configuration on the CLI, and GUI. writing iRules, scripts.
• Managing Access list on F5s and check for the ACLs on Firewalls such as CISCO ASA, Juniper, Fortinet-FortiGate.
• Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
• Troubleshoot and configure F5 Networks central management system.
• Load balancing configurations on the F5 load balancer LTMs GTMs.
• Configured, Monitored and Maintained Virtual server farms consisting VMWARE and Hyper V.
• Configuration, Management, troubleshooting of network devices (Routers, Switches, Firewalls, DSL Modems).
• Supported end user network ciscoACIinfrastructureand trouble shot several implementations of LTM and APM configuration from V9 to V11.6.
• Providing operational support forNetworkTopologiesand Connections TCP/IP, ATM, VOIP, andMPLS.
• Configured OSPF over frame relay networks for NBMA.
• Install, configure and monitor performance of UNIX Linux servers using Coding for Communication protocols
• Responsible for reviewing and creating the firewall rules and monitoring the logs as per the security standards in Palo Alto Firewalls.
• Migration from Cisco firewalls to Palo Alto firewalls platforms PA 5000 and PA 500 and PA 200 firewalls.
• Evaluated and recommended software, inter-connectivity hardware and services to fulfil various businesses needs as per developed requirements.
• Created VLAN and Inter-VLAN routing with multilayer switching.
• Configured VLAN Trucking Protocol (VTP) on Core Switches. Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
• Gained knowledge in IP sub netting for class A, B and C networks.
• Capacity planning and providing recommendations for infrastructures upgrade Vendor/Service provider management/evaluating new vendors.
• Implemented CiscoACIinfrastructurefor supporting rapidapplicationchange by reducing complexity with a common policy framework that can automate provisioning and resource management.

Confidential

Jr. Network Administrator

Responsibilities:

• Installed, configured and supported CISCO routers, switches, VSAT equipment.
• Configure/Troubleshoot RIP, EIGRP, BGP and OSPF routing protocols.
• Resolve LAN/VLAN, L2/L3 TCP/IP, Access Lists and NAT/PAT issues.
• Installed and configured DHCP Client/Server.
• Debug Router/Switch network connectivity and configuration issue.
• Operation and Maintenance of top level aggregated WAN infrastructure over 50 routers.
• Monitor network performance, identify and correct outages in timely manner.
• Monitored and troubleshooting in layer 2 and layer 3 devices: routers, switches, firewalls.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of Sub netting, VLSM to conserve IP addresses.
• Configured Cisco Routers (2500, 3600, 3700) using RIP, OSPF, EIGRP.
• Configure Cisco Switches (3560, 3570, and 2900).
• Redistribution of routing protocols and Frame-Relay configurations.
• Configured VLANs on a switch for inter-VLAN communication.
• Troubleshoot Firewall connectivity issues between Servers and Users as well as various third party, DMZ and internet zones.
• Analysed network performance using network monitoring and other network administration tools including IP Management, Wire shark and Network Performance Monitor.
• Diagnosed network problems involving a combination of hardware, software, power and communications issues.
• Ran cables from existing patch panels to new patch panels to secure the routers and switches in proper area.
• Coordinated meetings with engineers and technicians to resolve problems in minimum time.