SUMMARY

• CERTIFIED professional with over 8 years of experience in experience in network Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Experience working with Nexus 7K, 5K and 2K.
• Experience in site - to-site and remote access VPN solutions.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, ATM, bridges, routers, hubs and switches.
• Worked on Juniper Netscreen Firewalls like, NS50, SSG 550M, SSG520M, ISG 1000, ISG 200.
• Implementation of Juniper Firewall, SSG Series, Netscreen Series ISG 1000, SRX Series.
• 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 in QOS on multicast VPN
• Experience on Wide area application services
• 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.
• Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• Strong hands on experience in installing, troubleshooting, configuring of Cisco ASR, 7200, 3900, 3800, 2900,2800, and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series 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.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• 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).
• Experience with Change management process and Project documentation tools like Excel and VISIO.
• Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Experienced working on network monitoring and analysis tools like, SOLAR WINDS, CISCO works and RIVER BED and Wireshark.Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
• Excellent communication skills, enthusiastic, motivated and a team player.
• Experience in installing and configuring DNS, DHCP server

TECHNICAL SKILLS

Protocols: RIP, RIP V2, EIGRP, OSPF, IS-IS, IGRP, HSRP, VRRP, GLBP, LACP, PAGP, DNS, SMTP, SNMP, FTP, TFTP, LPD/TDP, WLAN, 802.11/802.11 e, WEP, POP3 LADP, TNS.

LAN Technologies: Workgroup, Domain, HSRP, DHCP, Static, VLAN, STP, VTP, Ether Channel, Trunks.

WAN Technologies: Leased Line, Frame Relay, ISDN, PPP, HDLC, ATM, SONET, Metro Ethernet.

Network Products: CISCO Routers 1700, 1800, 2500, 2600, 2800. CISCO High End Router 3600, 3800, 7200, 12010. CISCO Switches 1900, 2950, 2960. CISCO Campus Switches 3550XL, 4984 Core Catalyst 4503, 4507 RE, Catalyst 6500/6503/6507.

Security & VPN: PIX 500 Firewall, ASA 5505 Firewall, AIP SSM, CSC SSM, FWSM, Fortigate, CISCO CSM, ACL- Access Control List, IPS/IDS, NAT, PAT, CISCO ACS, Check point, sonicwall, RSA SecureID, SRX,SSG series firewalls.

Authentication: RADIUS, TACACS+, Digital certificates

Monitoring Tools: Wireshark, Nmap, Nessus, OpManager, PRTG Packet Sniffer

Servers: Domain servers, DNS servers, WINS servers, Mail servers, Proxy Servers, Print Servers, Application servers, FTP servers, Avocent Console server.

Operating Systems: Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 server, Windows XP/7, LINUX, Solaris, Red Hat, Active Directory, UNIX, junos.

Languages: C, C++, .Net, Java, J2EE, XML, SQL

Scripting Language: HTML, Java Script, CSS

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Experience with configuring Cisco 6500 VSS in Distribution layer of the Data center network
• Configuration and Administration of Cisco and Juniper Routers and Switches
• Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Configuration, Assigning DHCP profiles
• Experience working with Nexus 7010, 5548, 5596, 2148, 2248 devices.
• 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
• Experience configuring VPC(Virtual Port Channel), VDC(Virtual Device Context) in Nexus 7010/7018
• Experience with configuring FCOE using Cisco nexus 5548
• Created documents for various platforms including Nexus 7k, ASR9k, and ASR1k enabling successful deployment of new devices on the network
• Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus5000 to connect servers and storage devices.
• Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer
• Work with Load Balancing team to build connectivity to production and disaster recovery servers through F5 Big IP LTM load balancers.
• Configure and troubleshoot Juniper EX series switches and routers
• Migrated to Juniper EX series switches from Cisco 3500 series and 6500 series switches
• Experience with moving data center from one location to another location, from 6500 based data center to Nexus based data center
• Network Redesign for Small Office/Campus Locations. This includes changes to both the voice and data environment
• Network security including NAT/PAT, ACL, and ASA/SRX Firewalls.
• Good knowledge with the technologies VPN, WLAN and Multicast.
• Well Experienced in configuring protocols HSRP, GLBP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Work with Load Balancing team to build connectivity to production and disaster recovery servers through F5 Big IP LTM load balancers
• Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches
• Implement changes on switches, routers, load balancers (F5 and CSS), wireless devices per engineers instructions and troubleshooting any related issues
• Experience with communicating with different with different customers, IT teams in gathering the details for the project
• Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Experience in installing and configuring DNS, DHCP servers.
• Replace branch hardware with new 3900 routers and 2960 switches.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, deployed port security when possible for user ports
• Involved in configuring Juniper SSG-140 and Cisco ASA firewall
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.

Confidential, Bridgewater, NJ

Sr. Network Engineer

Responsibilities:

• Configuring, Maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and troubleshooting Remote infrastructure management of offices in different locations nationwide.
• Troubleshooting and escalation management of day-to-day issues for offices. Managing Co-location and Datacenter infrastructure in North America.
• Experience with Project data and voice documentation tools & experience with developing network design documentation and presentations using VISIO
• Security policy review and configuration in Palo Alto and Junipers Firewall in US offices and Datacenter.
• Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity
• Created effective network security by migrating from Check Point FW-1 NG to ASA 5510 Firewalls
• Designed and configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope
• Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
• 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.
• Configured RIP, PPP, BGP and OSPF routing.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Working with Checkpoint Support for resolving escalated issues
• 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.
• Experience with configuring Virtual Server and Configuring Load balancing methods in F5 LTM
• Experience with design and implementation of Data center migration.
• Expert in configuring Cisco Routers, Catalyst Switches, Nexus Switches.
• Upgrade Cisco 6500, 3750, 2960s, Nexus 5000, Nexus 2000, Nexus 7000 switch IOS software
• Worked extensively with Nexus 7000, 5000, 2000, Cisco 6500 series multilayer switches, Cisco 2960s series switches and Cisco 3560/3750s switches
• Identify, design and implement flexible, responsive, and secure technology services
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• 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.
• Establish AWS technical credibility with customers and external parties
• Help customers build scalable, resilient, and high-performance applications and services on AWS
• Develop/capture/document architectural best practices for building systems on AWS
• Release management of all significant public EC2 launches
• Managed complex wireless network strategies and imparted support to operational wireless computer networks.
• Maintained wireless IPS infrastructure and coordinated with management, customers and peers regarding wireless network innovations.
• Offered users with wireless network technical support and handled indoor and outdoor site surveys.
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Deployed the switches in high availability configuration with HSRP.
• Configured udld, port-fast, uplink fast and other spanning tree features.
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Implemented security measures to keep networks running 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 of network device.
• Creating and provisioning Juniper SRX firewall policies.
• Provided network and workstation support.
• Responsible for developing and maintaining online documentation and resources pertaining to wireless network
• Practice network asset management, including maintenance of network component inventory and related documentation and technical specifications information.
• Interfaced with customers and senior management for problem resolution and project planning.
• Ensure network connectivity of all servers, workstations, telephony equipment, fax machines, and othernetwork appliances
• Create and maintain documentation and Visio diagrams as it relates to network configuration, networkmapping, processes, and service records.
• Oversee new and existing equipment, hardware, and software upgrades.

Confidential, Thornton CO

Sr. Network Specialist

Responsibilities:

• Analyzed corporate LAN and WAN to determine the major problems and improvements needed to be made to the network infrastructure, as per the client requirements for network design, configuration, implementation and troubleshoot the network.
• Involved in troubleshooting LAN connectivity, hardware issues in the network, IP addressing issues, created a backup and recovery policy for software application, verified the working of peripherals and Updating IOS images using TFTP.
• Set up and troubleshoot 802.11 wireless networks.
• Working on configuring routing protocols (OSPF, BGP4, RIP, IGRP and EIGRP) and enterprise class switches-router management (Cisco 6509, 2800, 2900, 3750, 3800, 3900).
• Worked on supporting a wide variety of networking components including Cisco Routers, Switches, Wireless Access Points, MPLS, Frame-Relay, ATM, ISDN, BGP, EIGRP, OSPF and RIPv2.
• Monitored network and servers to identify potential problems and bottleneck and troubleshoot to provide high performance.
• Interacted with support services to reduce the downtime on leased lines.
• Managed the IP address space using subnets and variable length subnet masks (VLSM) and Monitored the operability and reliability of the network.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues.
• Modified and tested scripts and extended Linux system functionality as needed.
• Other responsibilities included researching and documenting the new monitoring solutions in the market which would suit the company needs.

Confidential

Network Associate

Responsibilities:

• Configured workstations for IP based LAN’s with Cisco Routers 2500, 3800, 2800 and implemented protocols RIPv2, OSPF, EIGRP and Cisco Switches 2960 and 3560 L2 and L3 security features on devices and configured DHCP Client/Server for the network designed.
• Designed and Configured VLANs for the two major divisions of the company the finance department and all others under one VLAN, and implemented VTP Trunking on switches.
• 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 and configured Inter-vlan routing, redistribution, access-lists and dynamic NAT to have a control of which departments accesses the Finance department data.
• Complete periodic checks of production and development systems; CPU utilization, memory profiles, disk utilization, network connectivity, and system log files
• Created users and groups and assigned privileges to them, as a part of Network Security.
• Worked with senior network engineers for multiple site Upgrades for data and VOIP equipments and also in re-configuring the new device and making sure projects are done under defined project timelines.
• Responsible for the installation of various software components on several servers, Backing up and restoring files across the network, Troubleshooting backup and restore problems and performed day-to-day trouble shooting for the end users and OS upgrades.
• Other responsibilities included Administrative tasks such as System Startup/Shutdown, Printing Documentation, User Management, Security, Network management.

Confidential

Network Engineer

Responsibilities:

• Installed and supported LANs, WANs, network segments, and Internet, and also maintained network hardware such as Cisco routers 2600 series, 2800 series, 3600 series, 3800 series and Cisco switches
• Configuration and troubleshooting issues related to access lists and DNS/DHCP issues within the LAN network.
• Worked with senior network engineers for multiple site Upgrades for data and VOIP equipments and also in re-configuring the new device and making sure projects are done under defined project timelines.
• Monitored networks to ensure security and availability to specific users and modified system's performance based on the network and system requirements and to maintain integrity of the network, server deployment, and security.
• Maintained and provided Level 2 and Level 3 technical supports for all network related issues and providing the requirements of the customer by interacting with the customer on daily basis via email and phone.
• Created a detailed design drawing of the sites, which are under up-gradation and getting it validate from the technical design team and maintained the remote site network, consisting of QoS design, IP addressing, Visio Drawings.
• Responsibilities included Creating Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented the findings to upper management.
• Other responsibilities included monitoring and managing servers, desktop computers, printers, routers, switches, phones, and security updates.