PROFESSIONAL SUMMARY:

• Having around 8+ year’s experience in routing, switching, firewall technologies, implementation and troubleshooting of complex network systems
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 3800, 3600, 2800, 2600, and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Installed Various Nexus Switches such as 7000, 5000 and 2000
• Experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP
• In depth understanding of IPv4 and implementing of Subnetting, IP Addressing, and good knowledge of OSIand TCP/IP models
• Possess Hands - on experience with TCP/IP, LANs, WANs, and WLANs (Wi-Fi)
• Advanced knowledge of OSI model, Internet technologies, system security, firewall infrastructure, network architecture and Cisco network routing / switching (Layer 2 and 3) experience, including LAN and WAN, design and implementation which includes Layer 1 to Layer 7 experience
• Hands on experience with layer 2 protocols like STP, VTP and Cisco 6509 VSS, and Cisco Nexusseries.
• Experience in routing protocols like OSPF, BGP and EIGRP, security protocols like SSL and IPSec/NAT is required
• Strong knowledge on networking concepts like TCP/IP, Routing and Switching.
• Successful completion of network migration from Frame Relay to MPLS
• Extensive experience in upgrade, backup, password recovery of Cisco IOS
• Experience in implementing Network Security Policy and adding Firewall Rules
• Switching tasks include VTP, ISL/ 802.1q, IPsecTunneling, VLAN, Ether Channel, STP and RSTP.
• Having good understanding of out-of-band/lights-out IPMI and serial console server communication methods.
• Experienced in configuring Cisco ASA in different modes and implementing dynamic routing protocols.
• Design and Install UCP Select for VMWare with Cisco UCS and Cisco Unified Fabric Switching.
• Experience in Network security including NAT/PAT, ACL, and ASA/PIX Firewalls
• Experienced in configuring policies and NAT for DMZ on ASA 5540
• Experienced in configuring Cisco ASA firewall (5505, 5510, 5520)
• Develop complex global network architecture to meet changing business requirements as they occur
• Designing and developing cost effective network solutions for enterprise customers based on the business requirements
• Troubleshooting connectivity issues and application problems.
• Experience configuring Virtual Device Context in Nexus 7k series switch.
• Ability to Install, Operate, & Manage Large Networks & Security for the Co-located Servers, Production, Development, Staging & Lab Environments.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Having good experience monitoring performance, optimizing/tuning the virtual machine configuration.
• Experience in installing and configuring DHCP server.
• Experience in configuring Site-to-site and remote access VPN solutions.
• Experience testing Cisco routers and switches in laboratory scenarios and deploy on site for production.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.
• Extensive Packet level debugging and troubleshooting on Palo Alto Firewalls to resolve numerous network issues.
• Configure new routes for new endpoints into Palo Alto Firewalls.

TECHNICAL SKILLS:

Networking Concepts: OSI Model, TCP/IP, IP addressing, Static Routes, Access lists.

Protocols: ARP, FTP, ICMP, DNS, ICMP, DHCP, TCP, IP, UDP, TELNET

Cabling: CAT 5, CAT 5e, CAT 6, CAT 6a.

Routers: CISCO 2500, 2600, 2800, 4500, 3550, 6500, 7500, 7200, GSR 12000 series, NEXUS Series, AVAYA.

Catalyst Switches: 7600, 6500, 4500, 3550, 2900.

IP Routing Protocols: BGP, IBGP, EBGP, MPBGP, OSPF, EIGRP, RIPv1, RIPv2

LAN Switching: Fast and Gigabit Ethernet, VLAN, STP, PVST, VTP, ISL, HSRP

Checkpoint & Firewalls: Cisco ASA/Routers, Bluecoat SG, McAfee/IBM IPS, McAfee ATD, Vulnerability Scanners, Citrix Netscalers, OSPF/BGP and VPN, PIX, IOS Firewall, web application firewall(WAF), CISCO ASA 5500-X Series/ 5585-X Series firewall, CISCO FirePOWER Services

Network Security: NAT/PAT, Ingress & Egress Firewall Design, SSL VPN, VPN Configuration, Internet Content Filtering, Bluecoat, Load Balancers

Layer 3 Switching: CEF, MLS, Ether Channel

WAN /Core: ATM, Frame Relay, PPP, HDLC,VoIP

Operating Systems: DOS, MacOS, Windows Server 2008, Windows Vista/XP/NT/2K/98/7/8/10,iOS

Other: HP Openview, CiscoWorks, Cisco Security Manager, Wireshark, NetStumbler, Symantec Backup, Microsoft Visio, Microsoft Project, MS Office,VM WARE

PROFESSIONAL EXPERIENCE:

Confidential, Seattle, Washington

Sr. Network Engineer

Responsibilities:

• Responsibilities included taking care of the IP Addressing in the organization which included designing new subnets based on the requirements
• Designed installation and commissioning scenarios for Flexi Multi-Radio BTS
• Involved in implementing & Designing the switched network. Configured STP, VTP and DOT1Q in switching network
• Created VLAN & Inter-VLAN Routing with Multilayer Switching
• LAN Cabling in compliance of CAT5 standards infrastructure like Racking and Stacking
• Assisted in Troubleshooting LAN connectivity and hardware issues
• Maintained Redundancy on Cisco 2600, 2800 and 3600 routers with HSRP
• Performed RIP, OSPF, EIGRP routing protocol administration
• Involved in monitoring the performance of the network, thereby identifying the bottlenecks in the network, troubleshooting the connectivity problems using Ping, Trace route, and Telnet
• Responsibilities for the installation, configuration, maintenance and troubleshooting of the company network. Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment and to provide support for Cisco network.Hands on experience with layer 2 protocols like STP, VTP and Cisco 6509 VSS, and Cisco Nexus series.
• Experience in routing protocols like OSPF, BGP and EIGRP, security protocols like SSL and IPSec/NAT is required.
• Provided Level-3 Network support for Cisco Switches and Cisco ASA 5500 Series Security.
• Responsible for Cisco ASA firewall administration across our global networks
• Deploying and decommission of VLANs on core ASR 9K, Nexus 9K, 7K, 5K and its downstream devices and also configure 2k, 3k,7k series Routers
• Created documents for various platforms including Nexus 7k, ASR9k, and ASR1k enabling successful deployment of new devices on the network
• Experience configuring Virtual Device Context in Nexus 7k series switch.
• Analyze syslog generated by IDS, IPS, Firewalls, Routers, and Switch devices.
• Manage third party connections using Cisco ASA Firewalls
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, BGP and OSPF
• Configuration, Testing, Planning, Design of Cisco routers, Cisco Catalyst 2900,3570 and 6500 switches and Cisco AirNet and wireless appliances
• Implementation and Configuration of F5 BIG-IP LTM-6400 Load Balancers
• Migration for Frame-Relay/ATM network to MPLS based VPN for customer’s WAN infrastructure
• Troubleshooting latency and throughput issues onMPLS and dedicated internet access circuits
• Configured Cisco 7204 routers which were also connected to Cisco ASA security appliances providing perimeter based firewall security
• Upgrade Cisco Routers, Switches and Firewall (ASA) IOS using TFTP
• Migrated and upgraded Cisco ASA 5500 Series to Cisco Next Gen Firewall to Cisco ASA with FirePOWER Services (Cisco Nextgen Firewall).
• Design and Install UCP Select for VMWare with Cisco UCS and Cisco Unified Fabric Switching
• Experienced in installing VMware VSphere 5.1 5.5 and created virtual machines on ESX 5.1 5.5 Servers. Created standard images and deployed servers.
• Resource management through deployment of network based monitoring applications to keep bandwidth & activity alongside each other.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC
• Convert Checkpoint VPN rules over to the Cisco ASA solution, Migration with both Checkpoint and Cisco ASA VPN.
• Extensive Packet level debugging and troubleshooting on Palo Alto Firewalls to resolve numerous network issues.
• Configure new routes for new endpoints into Palo Alto Firewalls.
• Configured Firewall logging, DMZs and related security policies and monitoring
• Installed and Configured a Cisco secure ACS server for AAA authentication (RADIUS)
• Manage a very large DNS environment and manual management of DNS for DMZ/External Servers
• Primary responsibility is to design and deploy various network security & High Availability products like Checkpoint NGX, Cisco ASA other security products
• Process creation of VPN requests for remote users. Also VPN Tunneling
• Performed switching technology administration including VLAN, Inter-VLAN routing, Trucking, Port aggregation and Link negotiation.

Environment Cisco 3750/3550/3500/2960 switches and Cisco 7200/3700/3600/2800/2600/2691 routers, IGRP, RIP, OSPF, BGP, VPN, VLAN, and CISCO ASA 5500-X Series / 5585-X Series firewall, CISCO Fire POWER Services, Virtual Machine.

Confidential, Sunnyvale, California

Network Engineer

Responsibilities:

• Designed secure data architectures for remote monitoring health sensor network
• Engineered innovative framework that will secure data in process, in motion, and at rest
• Designed algorithms, cryptographic models, and requirements for a secure sensor network
• Researched mobile systems/pervasive computing on the data passage for sensor networks
• Gathered security requirements for efficient cloud data storage
• Designed test plans on various routing, switching, IP networks, and MPLS
• Responsible for reviewing all new and existing applications, servers, projects and databases in need of system upgrades, service packs, security releases etc
• Primary point of contact for all Security IAPP (Internal Assessment Processes and Procedure) evaluation form reviews and security assessments.
• Have experience with Cisco Works LAN Management Solution.
• Expanded LAN to accommodate 200 plus users. Coordinated installation and repair work. Diagnosed and corrected clients network related issues
• Tested intrusion prevented capabilities of fortinet firewall, web filtering, and VPN
• Responsible for running Virtual Servers for Custom Financial Applications on all Mobile Platforms including iPhone, iPad, Android Tablets and Android Phones
• Performing troubleshooting on slow network connectivity issues, routing issues involves OSPF, BGP, black box and identifying the root cause of the issues.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q etc.
• Configure Corporate, Wireless and Lab Devices which includes Bandwidth Upgrade, Adding New Devices, Decom the Devices, Testing (Pilot).
• Performed support by identifying the root cause of the hardware issues with switches, routers.
• Worked on Aruba Wireless LAN Implementation for 11n Infrastructure Across the Corporate Network.
• Implementation of network, which includes configuration of routing protocols, Leased lines, ISDN lines, Vlans, IOS installations.
• Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues
• Familiar with various MSIT Tools to check Networking Connectivity, Testing, Configuration and Adding or Removal of IP address blocks
• Deploying and decommissioning the VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices
• Designed and implemented secure data architectures for remote monitoring health sensor network
• Engineered innovative framework that will secure data in process in motion and at rest
• Research on using mobile systems as the data passage for sensor networks
• Gathered security requirements for efficient cloud data storage
• Proposed an effective in memory data management solutions
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Performing the ACL requests changes for various clients by collecting source and destination information from them.
• Experience in creating MOPS (Method of procedures) and get approved from peers for performing configuration changes.
• Created Visio Documentation to give complete picture of network design for each building.

Environment: Cisco Routers, Cisco Switches, Routing protocols, HSRP, VRRP, IPSEC VPN, VPN, QOS,ASA firewall, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, Monitoring tools (Cisco works, HP Openview), RADIUS, TACACS+, Adtran, Fortigate, ASR 9k

Confidential, BOSTON, MA

Role: Network Engineer

Responsibilities:

• Provided support for global network including T1/T3, ATM connections using HDLC and Frame Relay on 2600, 4000 series Routers
• Responsible for SNMP Monitoring and Performance Tuning software
• Designed WAN structure to prevent single point of failure in case of link failure
• Experience in Maintenance and Troubleshooting of connectivity problems using PING, Traceroute
• Planning and Implementation of Subnetting, VLSM to conserve IP addresses
• Experience in configuring STP for loop prevention and VTP for Inter-VLAN Routing
• Performing the Configuration and troubleshooting of EIGRP, OSPF, and BGP
• Dealt with the configuration of Standard and Extended ACLs for Security
• Use of Cisco ASA firewall's, Cisco ASDM and Sonic Wall Firewalls, Sonic Wall's Sonic Points access points for building out an entire wireless network with multiple subnets for wireless users, wired users, printers all running via POE switches.
• Been involved in providing technical assistance for LAN/WAN management and complex customer issues
• Provided support for troubleshooting and resolving Customer reported issues
• Worked on dealing with 6509/6513 Chassis problems and troubleshooting of Err-disabled ports and re-setting to normal port status. Worked on PIX firewalls for building the ACL rules for thee xtranet connectivity and implementation of the rules on the corporate firewalls and monitored logs for the issues
• Responsible for managing the TFTP logs for the VPN and firewall services and troubleshoot the VPN tunnel issues like SA, RSA, ISAKMP encryption and cleared/refresh VPN tunnel issues
• Performed IOS upgrades on Catalyst 3550, 2950, 1900 switches, and 3600, 2600 and 2500 routers.
• Implemented and configured routing protocols like EIGRP, OSPF, BGP
• Experience in Troubleshooting the issues related to routing protocols
• Managing, troubleshooting and monitoring the network using Network Monitoring tool
• Implementing Network Security with Cisco IOS Feature Set, NAT, and Simple Network Management Protocol.
• Designed and Implemented Networking Systems for the Instrumentation and Control Systems on the Next Generation Air Craft Carrier and Submarine
• Install, Configure, Deploy, Monitor and Troubleshoot Cisco ASA, PIX and Checkpoint Firewalls
• Upgrading, rebuilding the company’s Cisco firewall environment for an onsite hosting center and design/implementation of disaster recovery site
• Manage and support a variety of different security products including Check Point firewalls, Cisco ASA, PIX Firewalls
• Developed and Implemented Cyber Security Policies, Procedures, Countermeasures and Security Mitigation Techniques for Shipboard Network System
• Design of Networking Systems for the Next Generation Nuclear Power Plant currently under development for the TVA. Evaluated Cisco NEXUS 7000 Technology in support of this project
• Developed and Implemented Information Assurance Policy and Procedures for C4ISRT Systems
• Worked with DIACAP, DCID 6/3, DOD 8570 and STIGs and Vulnerability Assessment Tools
• Involved in installing and configuring PIX 515E firewall
• Dealt with DNS, DHCP trouble shooting and other IP conflict problems
• Implementation of name resolution using WINS & DNS in TCP/IP environment

Environment: Cisco routers 3700, 3800, 7200, 7604, Cisco catalyst series Switches 2960, 3750, 3560, 6500, MPLS, Frame Relay, VRF, DSLAM, RIPv2, OSPF, BGP, IPSEC, VLAN, STP, VTP, HSRP.

Confidential, HERNDON, VA

Network Engineer

Responsibilities:

• Configured routing protocols OSPF, EIGRP, RIP, MPBGP, LDP and BGPV4
• Configured HSRP between VLANs, configuring Ether-Channels, Port Channel on 6500 catalyst
• Performed data center migration in Access, Distribution and Core layers
• Configured VLANs and VTPs enabling trunks between switches
• Installation, configuration, and maintenance of production servers, routers, switches, firewalls, and hubs, LANWAN engineering and administration - internet security (PIX, FW-1), Network security, intrusion detection systems, and server monitoring
• Disaster Recovery and Business Continuity Planning for enterprise operations
• Configured Routing protocols such as RIP, OSPF, EIGRP, MPLS, static routing and policy base routing
• Configured and troubleshot link state routing protocols like OSPF in single area and multiple areas
• 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
• Provided Technical Support and solutions for network problems
• Implemented NAT solutions on WAN applications
• Upgraded IOS, troubleshot network outages
• Performed configuration and troubleshot EIGRP and BGP
• Installed and configured DHCP server
• Involved in troubleshooting of DHCP and other IP conflict problems
• Performed switching technology administration including VLANs, interVLAN routing, Trunking, STP,RSTP, port aggregation & link negotiation
• Deployment of network security systems including dial-up, VLANS and level-2
• switches within the infrastructure
• Configured ACLs (Standard, Extended and Named) to allow users all over the company to access different applications and blocking others
• Participated in on call support to troubleshoot the configuration and installation issues
• Configured VLANs with 802.1q tagging. Configured trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture
• Showed excellent troubleshooting skills and customer centric approach.

Environment: Cisco 3750/3550/3500/2960 Switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Cisco Nexus7K/5K, 2248/3560/5020/6509, Cisco ASA5510, Checkpoint, Controllers 6000, 3600, 3400, 650, Juniper SRX, Microsoft Lync, MPLS, VOIP,SIP,RTP, Cisco Unified Video Conferencing, Unix commands, IPV6, Cisco IP phones, Cisco 5500, 6500 series controller, Avaya 3000, 6000, 7200 series Controllers, Cisco CLI, Multicasting.

Confidential

Network Engineer

Responsibilities:

• Involved in design and development of Business Requirements in liaison to business users and Technical teams by gathering requirement specification documents and identifying data sources and targets.
• Managed the entire project from the design phase to deployment phase supervising 3 Network engineers and 4 Systems engineers.
• Used MS Visio 2000 for creating network diagrams for the entire project.
• Involved in Tier-3 technical level support for the total enterprise network as an independent consultant.
• Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall
• Experience in working with CiscoNexus5000 series switches for data center
• Installation, configuration and troubleshooting of 2525, 4000 series Routers.
• Set up and configuration of multiple T1 lines using RAD modems &FXS modules on 3600 router. VoIP is configured on 3600 router.
• Experienced in facing the Bluecoat and Palo Alto product lines, up to pre sales type of function.
• Demonstrated experience with Check Point, Cisco, and Palo Alto Networks solutions
• Supported networks, which are comprised of 2000+ Cisco devices.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Experience in Troubleshooting the issues related to routing protocols
• Implemented L3SVI’s and L2vlans, Inter Vlan Routing and HSRP configuration in Nexus on M series module.
• Work and experience with Cisco Content Delivery Network.
• Migration of Windows Environment from Windows NT 4.0 to Windows 2000 network and also deployment of Active Directory Services for the entire network.

Environment: MS Visio 2000, Cisco Switches, WAN, TCP/IP, QoS, Bluecoat, Palo Alto, VPN, MPLS, IP Phones, VLAN, WAP.

Confidential

Jr .NETWORK ENGINEER

Responsibilities:

• Configured, managed and designed IP routing using a combination of static routing and dynamic routingprotocols like BGP, OSPF, EIGRP, etc.
• Configured STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Worked on issues related to IP protocols like static, RIP, EIGRP (Variance and unequal cost load balancing) and OSPF.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Worked on issues related to VLAN, VLAN Trunking, HSRP failovers, related issues
• Configured GSR routers, 7609, 7606 with OSPF and catalyst 6513, 4500 switches with various VLAN.
• Configured VLANs, Private VLANs, VTP, dot1.Q Trunking on 6500 and 4500 series switches

Environment: Cisco 6509/ 3750/3550/3500/2950 switches, Cisco 7200/3845/3600/2800 routers, Checkpoint firewalls(SPLAT), Cisco CLI, Net Flow, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720, Ether Channels, Pearl, Python.