SUMMARY

• CCNA and CCNP Professional with nearly 10 years of hands on experience in routing and switching technologies, in Network Planning, Implementing, Configuring, Troubleshooting, Network Security and Testing of complex network systems including high - end routers: CISCO GSR, ASR1K, 2600, 2800, 3600, 7200, 12000 Series Routers, and Catalyst 4500, 6500 and 7600 switches.
• Hands On experience Cisco IOS/IOS-XR/NX-OS, Juniper JUNOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.
• Experience in site-to-site and remote access VPN solutions.
• In depth understanding of IPV4 implementation of Subnetting.
• Configuration and management of LAN switches with VLANs, Trunks, Spanning Tree Protocol, and Port Spanning etc.
• Configured security policies including NAT, PAT and VPN, Route-maps, Prefix lists and Access Control Lists.
• Extensive experience in WAN Technologies, Switching Technologies along with Failover Mechanisms and Inter Vlan Routing types.
• Switching tasks include VTP, ISL/802.1q, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Good knowledge with the technologies VPN, WLAN and Multicast.
• Strong hands on experience on Checkpoint, PIX (506, 515, 525, 535), ASA (5505/5510), PAN 3060, 3020 Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
• Strong hands on experience in installing, configuring and troubleshooting of 4300, 3900, 2900, 2600, 2500 and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token Ring, ATM, bridges, routers, hubs and switches.
• Experienced in configuring and deploying CBWFQ, WRED, LFI, QoS technologies.
• Experience in installing and configuring DNS, DHCP server.
• Well experienced in configuring gateway redundancy protocols like HSRP, VRRP, ICMP, PPP, PAP, CHAP, SNMP and GLBP.
• Proficiency in configuration of VLAN setup on various Cisco Routers and Switches.
• Excellent communication skills, enthusiastic, motivated and a team player.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
• Experience with Change management process and Project documentation tools like Excel and VISIO.

TECHNICAL SKILLS

Routing Technology: RIPV1, RIPV2, IGRP, EIGRP, IS-IS, OSPF, BGP, ACLs, Multicast, QoS, NBAR, NAT.

Network Products: CISCO Routers 1700, 1800, 2500, 4300, 4400. CISCO High End Routers 3600, 3800, 7200, 12010, 12404. CISCO Switches 1900, 2950, 2950, 2960. CISCO Campus Switches 3550XL, 4948 Core Catalyst 4500, 4507 RE, Catalyst 6500/6503/6507, Nexus 2000, 5000, 7000 series

Antivirus & Endpoint protection: Cisco CSA, Symantec Enterprise Edition, MacAfee Enterprise Edition.

Security & VPN: ASA 5505 Firewall, Fortigate, Cisco CSM, ACL-Access Control List, IPS/IDS, NAT, PAT, Cisco ACS, CUIC, telephony SIP architecture, Juniper Net Screen firewall, Palo AltoFirewalls, Windows Patch Management (WSUS).

LAN Technology: IEEE 802.11, Token Ring, Workgroup, Domain, HSRP, DNS, Static, VLAN, STP, VTP, Ether Channel, Trunks.

WAN Infrastructure: Leased Line, ISDN/Dial-Up, Frame Relay circuits, Metro Ethernet.

WAN Technologies: HDLC, PPP, ATM, SONET, MPLS, VPN, IPSec-VPN.

Wireless & Wi-Fi: Canopy Wireless Device (point to point/point to multipoint), DLink Wireless (point to point), DLink Access Point, CISCO 1200 series Access Point, and Linksys Wireless/Wi-Fi Router.

Operating Systems & Tools: Cisco IOS, Windows NT 4.0 (Desktop/Server), VXML, Windows 2000/2003/2008/2012 Server, Windows XP/Windows 7/8, Cisco UCCE, UCCX, ICM, LINUX, Solaris, Active Directory, Apache Server, MS Exchange server, VERITAS Volume Manager, Cisco modeling and design, CVP, Reporting.

PROFESSIONAL EXPERIENCE

Confidential, MD

Sr. Network Engineer

Responsibilities:

• Worked on Hughesnet Consumer & Enterprise Internet Service as a Senior Network Engineer managing core infrastructure of the network.
• Provide technical support to manage large service provider network. Install, configure, maintain network services, equipment and devices.
• Worked on Cisco routers such as ASR9000, ASR1000, CSR1000v, ISR4331, cisco catalyst 7200 series & 7600 series routers.
• Worked extensively on all the cisco switches such as Nexus9000, Nexus3k, 4500, 2900, 3750, C3560X & ME-3600X.
• Managing HughesNet Enterprise Customer Networks using Fortigate based HughesNet Products like HR4700 and HN7700S(Satellite based router)
• Hands on experience on Fortigate firewalls such as 100D, 310B, 1000A &1500D.
• Extensive use of firewall configurations to set up VPN tunnels between Hughes NOC and customer Remote sites as well as build tunnel between NOC & customer HQ.
• Providing third-level support to Network Mangement Center (NMC/NOC) to ensure smooth operation of the network and assisting with all the troubleshooting for single site issues and or outages.
• Design, implement and support satellite and terrestrial broadband enterprise networks.
• Configuring and maintaining load balancing and auto-failovers using routing protocols which include OSPF and BGP.
• Implementing and ensuring secure inter-office communication using protocols such as L2TP tunnels, IPSec tunnels and GRE tunnels.
• Configuring, maintaining and troubleshooting of all protocols which include routing protocols, VLAN, Ether-channel, STP, ATM and MPLS.
• Configuring sites, Implement new services on the existing network, and enhance the network to support new applications.
• Monitoring and troubleshooting of platform and OS based problems, network infrastructure and connectivity issues.
• Audit networks for performance monitoring on a regular basis and interact with customers to coordinate necessary network changes/upgrades.
• Handle escalations and troubleshoot network related issues and outages to meet customer SLAs.
• Frequently use Network monitoring and management tools like Wireshark, Splunk to generate reports, take traces to analyze and identify customer issues, test and verify new requirement before deploying it in the customer network.

Environment: ASR9000, ASR1000, CSR1000v, ISR4331, cisco catalyst 7200 series & 7600 routers, Nexus 3000/9000, Fortigate 100D, 310B, 1000A &1500D.

Confidential, WI

Sr. Network Engineer

Responsibilities:

• Design, Installation and setup of new network infrastructure that consists of Cisco Catalyst Switches 4500-X, Cisco ASA 5540, Palo Alto Firewalls 3060, 3020 and Router ASR 1001.
• Create LLD (Low level design) documentation for the implementation of new sites.
• Create and articulate network drawing (Layer1, Layer2 and Layer3 Visio Diagrams) using VISIO represent network architecture for proposed solution.
• Configuring and maintaining the Cisco Routers, Switches & Palo Alto Firewalls.
• Worked on Cisco switches 4500, 2900, 3750 series. Configurations involved trunking, VLAN, Layer 3 Switching. Involved in configuration of Cisco catalyst 4500 Switches.
• Implementing SNMP on various devices, allowing for network management, work on Cisco ACS adding device to RADIUS Client server and TACACS.
• Upgrade the Operating systems on both Cisco ASA 5540 & PAN 3060, 3020 firewalls.
• Setup VSS cluster, ether channel, VLAN trunking, VTP and inter-VLAN routing in cisco 4500 switches.
• Configure VDC, vPC, FEX, on Nexus 5000 & 7000 architecture.
• Implementing EIGRP on cisco routers, switches & implementing EIGRP on cisco Routers & Palo Alto Firewalls.
• Troubleshooting Layer2 protocols; STP, RSTP, LACP, Ether channel, PAGP, VTP.
• Upgrade Cisco 2960s, Nexus 2000, Nexus 5000 and Nexus 7000 switch IOS Software.
• Implementing DMVPN over IPSEC throughout the network.
• Implementing site to site VPNs.
• Perform testing and troubleshooting of IT systems.
• Design and deliver network services to clients.
• Document site configuration and network topology.
• Configuration and Management of UTM features like anti-virus, deep inspection (IDP), URL filtering and screening the firewalls.
• Provide technical support in network application design and configuration.
• Identify client advanced network requirements and develop system solutions.
• Evaluated and validated network design structure.
• Performed maintenance and up gradation of network system.
• Installed security and firewall technologies in computer stations.

Environment: Cisco catalyst 4500/2960 switches and Cisco ASR 1001 routers, Nexus 2000/5000/7000, ASA 5540 firewalls, PAN 3060/3020 firewalls.

Confidential, IL

Sr. Network Engineer

Responsibilities:

• Design, Installation and setup of new network infrastructure that consists of Cisco Switches 2960X, 2960XR Firewall ASA 5516 and Routers ISR4331.
• Create HLD (High level design) & LLD (Low level design) documentation for the implementation of new sites.
• Create and articulate network drawing using VISIO represent network architecture for proposed solution.
• Setup DMVPN tunnel and MPLS on Cisco 4331\K9, 4431/K9, 4331 SEC\K9, 4431 SEC/K9 routers
• Configuring and maintaining the Cisco Routers and Catalyst Switches.
• Implementation of Layer 2 protocols including Spanning tree, Multiple Spanning Tree, VTP, Port Security, and layer 3 protocols including EIGRP, OSPF, Inter VLAN Routing, ACLs.
• Setting up Inter-VLAN routing on Cisco 2900X/XR (Access & Core) switches, 3750, 3850, 6800, Nexus 7k Switches, Cisco ASA 5500 series.
• Implementing SNMP on various devices, allowing for network management, work on Cisco ACS adding device to RADIUS Client server and TACACS.
• Upgrade the Operating systems on Cisco 5516-X, 5545-X, 5555-X firewalls.
• Work with telecom vendors such as Verizon and Sprint to get the circuit activations.
• Backup and Disaster Recovery using NetBackup.
• Installed PBX hardware and Messaging platforms.
• Deployment experience with VOD, 8x8 phones.
• VoIP/telephony expertise including knowledge of competitive solutions (ie. Cisco, Avaya/Nortel), working knowledge of PBX integration scenarios (ie. Skype Server deployed with the intent to handle voice communications; including the ability to make inbound and outbound PSTN voice calls via third party PBX, gateway or SIP Trunk.
• Planning, installing, configuring and administrating Active Directory Services.
• Detailed knowledge of Microsoft Lync (Skype for Business)
• Set up and configuration of remote access solutions including Fractional T1, DMVPN using EIGRP.
• Support network infrastructure including Cisco/Palo Alto routers, switches, wireless, firewalls and security.
• Implement 8x8 VOIP solutions on site and run network diagnostics test and network assessment test.
• Using Solar wind monitor network devices globally for network latency and usage, manage internal network IP address using Infoblox.
• MPLS (Multi-Protocol Label Switching) has been implemented in between sites using BGP.
• Troubleshoot user requirement, add access rules on firewall and setup DMZ for web server/ LAB.
• Responded to network incidents and outages in timely manner and worked closely with telecommunications providers to diagnose network and circuit problems.
• Work on OSI 7 Layer Model, TCP/IP, DNS, DHCP, and TFTP. IP addressing, administrating subnets and various routing models.
• Installation, administration management of Microsoft Windows servers including windows 2008/2003/2000, Exchange 2010, DHCP, DNS, and Print servers.

Environment: Cisco 2960 X/2960 XR/3800/6800 switches and Cisco ISR 4300/4400 routers, Cisco ASA5510, Checkpoint, Active Directory, Microsoft 2008 server.

Confidential, NYC

Sr. Network Engineer

Responsibilities:

• Worked with Cisco Layer 3 switches 3560, 3750, 4500, 6500; Cisco Nexus 5000 and 7000 in multi VLAN environment with the use of inter-VLAN routing, 802.1Q trunk, ether channel.
• Implemented Quality of Service (QOS), Policy Maps, Class-maps, Policy Routing in the network infrastructure throughout all the different sites.
• Played responsible role for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Worked with Cisco Catalyst 6500, 4500, 3750, 3560, 2960 switches and Cisco 2800, 3600, 3800, 7200, 7600 and ASR series Routers.
• Worked on Cisco UCCE, UCCX, ICM and hands-on Contact Centre development and deployment.
• Installed and configured 6509 Cisco Catalyst Switch, creating VLANs and assigning ports to the VLAN.
• Supporting EIGRP and BGP based network resolution for level 2 & 3 network issues raised by internal teams & external customers of all locations.
• Design and transition with IPV6 addressing schemes and Configurations
• Providing daily network support for global wide area networks, consisting of MPLS, VPN and point-to point sites.
• Assisted in providing estimate for network projects.
• WAN Edge Circuit turn-ups such as MPLS, T1s and Leased lines.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Configuration of Access Lists (STD, Extended, Named) to allow users all over the company to access different applications and blocking others.
• Worked on F5 series like 3900, 1600 for the corporate applications and their availability.
• Dealt with creating VIP (virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL.
• Analyzed and tested network protocols (Ethernet, TCP/IP) using Wireshark tool.
• Involved in the installation, configuration and management of Juniper SRX 550 and SRX 650 firewalls.
• Configuration, installation, and upgrading of Checkpoint firewalls hardware and software
• Configuration and maintenance of PIX and ASA firewall systems.
• Applying crypto maps and security keys for the branches, ISAKMP (Internet security association key management protocol) for establishing Security associations (SA) cryptographic keys.
• Involved in configuring IP Quality of service (QoS).
• Collaborate with the system design team and research new technologies.
• Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment.
• Experience in Configuring, upgrading and verifying the NX-OS operation system.
• Configuration and Management of Nexus 7010, 5020, 2148, 2248 devices
• Configuration and Management of Nexus 2000 Fabric Extender (FEX). (FEX) acts as a remote line card (module) for the Nexus5000.
• Worked on telephony SIP architectureand design.
• Ensure problems are satisfactorily resolved in a timely manner with the focus on providing a high level of support to all customers.
• Coordinating with service providers for WAN link outages.
• Responsibilities also included technical documentation of all upgrades done. Attending meetings and technical discussions related to current project.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 12000/7200/3845/3600 routers, Cisco ASA5510, Checkpoint, Active Directory, Microsoft 2008 server.

Confidential, VA

Network Engineer

Responsibilities:

• Worked on Network design, support and implementation related projects for establishing connectivity between the various field offices and data centers.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Working knowledge with 10 gigabit Supervisor Engine 720 on 6500 catalyst switches.
• Supporting EIGRP, OSPF and BGP based networks by resolving level 1 &2 problems of internal and external sites.
• Monitoring the NMS system for different Network Alerts.
• Assisted in the migration of frame-relay based branches to MPLS based technology.
• OS upgrades in Nexus 7010 through ISSU (In service software upgrade).
• Cisco Nexus, UCS, Big-IP F5, Solar Winds hardware installations and configuration.
• Configuration and troubleshooting of VDCs, VPCs, Nexus 7k, 5k, Switch crashes and SPAN configuration.
• Configuring HSRP between VLANs, Configuring Port Channel on 6500 catalyst switches.
• Extensively worked on network management using SSH, Telnet, SNMP, and ICMP.
• Configuring STP for loop prevention and VLANs for data and voice traffic and Configuring port security for users connecting to the switches.
• Configuring NAT rules, Firewall policies and firewall management using Checkpoint hardware and software.
• Worked on VXML, Cisco modeling, CUIC and CVP.
• Handling of virus protection servers (McAfee) and deployment of virus scan and desktop firewall across the organization to meet 100% compliance with the latest DAT files.
• Worked and configured on the security levels of Cisco IOS AAA with TACACS+ and RADIUS and Local privilege authorization fallback.
• SNMP configuration and monitoring of network devices
• Implemented Cisco ASA 5510 security appliance as remote VPN server using ASDM. Created a site - site VPN tunnel.
• Handled SRST and implemented and configured the Voice Gateways.
• Constructed dial plans in the Call Manager and also remotely helped in troubleshooting various implementation problems.
• Administering the Video Conf equipment’s supported by ATT Telepresence & Tandberg devices
• Configuring and managing WebEx and Movi Client infrastructure for the end users.
• Implementing and Maintaining Network Management tools (Fluke Network, Nortel ENMS, JFFNMS, SNMP, MRTG, and NMIS).

Environment: CISCO routers and switches, STP, TFS, Active Directory VLANS, VTP, Ether channel, Port channel, Access Points, Switch Stacking, Wire Shark, VPC, CUIC, VDC, VRF, VISIO, CVP, Windows Server 2012

Confidential - Chester, VA

Network Engineer

Responsibilities:

• Implementation of VPN’s for Virginia state government agencies, using Juniper NSM.
• Involved in Migration of Cisco firewalls to Juniper SRX firewalls.
• Involving in VPN (IPSEC and GRE) migrations and new designs for State government agencies.
• Configuring and troubleshooting issues with VPNs.
• Managing and implementation of remote firewalls for State agencies using NSM and CSM.
• Responsible for planning, documenting and implementation of complex Firewall and VPN solutions.
• Determining root causes of network problems and delivering solutions, while maintaining a high level of customer satisfaction.
• Daily technical hands on experience in the configuration, troubleshooting of Juniper and Cisco firewalls as well as experience working directly with customer in a service/support environment.
• Daily exposure to IPbased network security protocols with Juniper and Cisco firewalls, Operating Systems and security configurations LAN/WAN/Security solutions.
• Daily experience with using NSM and CSM, SEP, IPS, and IDS.
• Extensive implementation of firewall rules on Juniper 5600, Juniper SRX 3600, and SRX100 on a daily basis, using NSM, as well as CLI when needed.
• Implementation of firewall rules on Cisco ASA 5500 and 5500-X Series on a regular basis.
• Manage as well as remotely implement, all remote firewalls for Department of Motor vehicles of Virginia, using Juniper NSM and Cisco Security Manager.
• Configuration of new Juniper SRX firewalls for remote site implementation.
• Monitoring, maintaining, and implementing security policies on Cisco firewalls
• Designing, configuring and troubleshooting network problems related to security
• Documenting network problems and resolution for future
• Involved in data center migrations from one data center to other.
• Primary Environment: SRX100- SRX240, SRX5600, SRX360, SSG520M, SSG550M, ASA 5500 and 5500-X Series

Environment: Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS 6500/3750/3550/3500/2950 switches, Juniper (M320, T640), Load balancing, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.

Confidential

Network Engineer

Responsibilities:

• Worked on various configurations and troubleshooting in a multi-vendor environment with Cisco & Juniper routers/switches.
• Configuring WAN services (PPP, Frame Relay, NAT and private addressing) and LAN services (Ethernet, VLANs, Trunking) on Cisco routers and switches.
• Implemented various OSPF features like stub areas, route-summarization, SPF throttling, LSA throttling, redistribution.
• Tested various BGP features such as BGP load balancing, extended community, community-lists, BGP attributes such as AS-PATH, MED, Local P.
• Configuring and Troubleshooting OSPF and EIGRP routing.
• Configuring Cisco ASA 5540 series firewall.
• Hands-on experience in configuring and troubleshooting ACLs, NAT, TACACS.
• Configuration and troubleshooting of Cisco 2600, 3700, 7200 at customer sites.
• Hands-on experience in configuring VLANs using dot1q, ISL and Ether-Channel.
• Configuring and managing Cisco IP Communicators and hard phones Client infrastructure for the end users.
• Test case design, test execution and automation of routing and switching suites.

Environment: Windows 2003/2000, IIS 6.0, WINS, VM ware ESX 3.0, Cisco 7200/3845/3600/2800 routers, Cisco ASA 5540 firewall.