SUMMARY

• 7+ years of Experience as Network Engineer in Designing, Implementation and Operations of enterprise data networks.
• Excellent Knowledge about TCP/IP and OSI models.
• In depth understanding of IPV4 and implementation of Subletting
• Implemented EIGRP, OSPF & BGP routing protocol administration.
• Provided services in many industries such as Consulting, Telecommunications and IT
• Hands - on experience on Up-gradation of Cisco IOS on different Cisco devices and modules.
• Maintain a thorough understanding of the basics behind the Internet and its workings (DNS, Security, IP Routing, HTTP, VPN, Email Routing etc.).
• Experience in installing and configuring DNS, DHCP server.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Proficiency in configuration of VLAN setup on various Cisco Routers and Switches.
• Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Responsible for designing and deploying various network security & High availability products like Cisco ASA and Checkpoint Firewall products.
• Experienced in configuring and troubleshooting of Palo Alto, Juniper Net screen & SRX Firewalls and their implementation Experience in site-to-site and remote access VPN solutions.
• Knowledge on F5 load balancers, its methods, implementation and troubleshooting.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of profession.
• Responsible for Checkpoint and Cisco firewall administration across global networks.
• Worked on Cisco Catalyst Switches 6500/4500/3500 series.
• Extensive understanding of networking concepts, (IE. Configuration of networks, router configuration and wireless security, TCP/IP, VPN, Content Filtering, VLANs, and routing in LAN/WAN, Ethernet Port, Patch Panel and wireless networks.)
• Configuration of Network and Security devices such as Cisco routers and switches (Cisco 7600/3500/Nexus 7K/5K), Firewall (Checkpoint R75/Gaia and Cisco FWSM), Load Balancers and DNS and IP Manager (Info lox)
• Black listing and White listing of web URL on Blue Coat Proxy Servers.
• Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, SharePoint, File and Print and FTP/SFTP servers.

TECHNICAL SKILLS

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MPBGP, HSRP, IPv6WLAN, 802.11/e, WEP, POP3 LADP, VRRP, GLBR, LACP

LAN Protocols: VLAN, VTP, Inter-VLAN routing, STP, Domain, HSRP,Trunks.

WAN Protocols: HDLC, PPP, MLPPP, ISDN, ATM, Channel & Leased Lines

Cisco Switches: 1900, 2900, 3500, Nexus 3000/5000/7000 Series, Cisco’s Application Centric Infrastructure (ACI) implementation (Nexus 9KAPIC).

F5 load balancers: (LTM & GTM) configuration, administration and troubleshooting Have good experience working on both 9.x, 10.x and 11.x versionsF5 Bibi 1500, 3400, 6400, 8900 LTM, GTM 5, and F5 3DNS Load balancer GTM

Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX, Palo Alto firewalls, IPS/IDS, NAT, TACACS, 8021x, Packet capture/ analysis

Wireless: WLAN controllers, access points (APs), Cisco, ArubaRedundancy HSRP, VRRP, GLBP, RPR, NSF/NSR, Wireshark, Solar windsSNMP

Servers: AD/DC, DHCP, DNS, VPN, NAP, WSUS, Email Server, Software Deployment Server, BHS, GC Server, Windows Deployment Service, Proxy Servers, Print Servers, Application servers, FTP Servers

Programming Languages: Firm knowledge of r and C, working knowledge ofXHTML/HTMLBash Shell Scripting, CLI scripting, and Powershell, Python, Perl

Sniffers: Ethereal (Wireshark).

Network Management: MRTG, HP Open view, Cisco WAN manager, Cisco works 2000.

Tools: Physical interfaces Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)

Modems: RAD HTU E1, ASM 31, ASM I31, ASM 20, FCD-E1, SPD 703 DAXPatton, D-Link

Operating Systems: Cisco IOS, NX-OS, Windows 10/8/7/Vista/XP/2000/98, UNIX, Solaris 8

Applications: Wireshark, Netmon, Microsoft Service Enterprise, Secure CRT, PuttyAlarm Monitoring Console, MS Ticketing, Office Productivity MS Office Suite, MS Azure, VPN migration, Multipoint Ethernet, SNMP, Router Configuration, SDN, NFV, Genesys Suite 6.5, and Genesys Suite 7.x

PROFESSIONAL EXPERIENCE

Confidential, New York City, NY

Senior Network Consultant

Responsibilities:

• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper a Wireless … WLAN Controllers, access points (APs); Cisco, Arubaand Palo Alto Firewalls.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series), Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers.
• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Installation, advanced configuration and troubleshooting of Cisco and F5’s load balancing devices.
• Aruba S-3500 mobility access switch/ Azalea MSR wireless mesh routers (1200/2000/4000 )
• Aruba Access Points 65/92/93/12X/13X/105/175, Instant AP- 9X/105/13X, Remote AP-2wg, 5w, 5wnProviding asset auditing on pre and post migration activities.
• Proficient at the use of Packet tracing tools like Wireshark for in-depth troubleshooting of SIP and H.323 signaling faults / RTP / Codec issues.
• Understanding of the OpenStack project ecosystem.
• Designing and troubleshooting Point-to-point (PTP) and Point-to-multipoint (PTMP) RF deployments.
• Setup Keystone, Glance, Neutron, Tenants and Flavor in OpenStack Environment
• Extensive technical experience of VoIP technologies, business continuity, and disaster recovery processes as they pertain to voice services.
• Maintained & configured VOIP, SIP Gatekeepers, Gateways/Routers, on E1/T1, PSTN, and GSM/CDMA integration.
• Cisco ISE deployments on mid to enterprise projects
• Design Engineering to provide high-level design documentation followed by configuration of Cisco Routers, Switches, ASAs, and Cisco ISE.
• Provided technical assistance for building and maintenance of Cisco Wireless and ISE systems.
• Maintenance of F5 Load balancers-6600/6800
• Responsible for reviewing current and planned network designs, particularly F5 load balancer implementations.
• Possesses a thorough understanding of SIP and H.323 VoIP signaling protocols.
• Rebuilding data centers and redundant sites for failover, F5 load balancers
• Created, deployed and managed BigIP F5 load balancer nodes and pools
• Configured with F5 Load balancers in Failover for Load balancing and SSL handling
• Manage F5 load balancers and keep them up-to-date with OS and hotfix.
• Modified BigIP F5 Load Balancer config for new servers, also configured firewall
• Involved in the migration of F5 3DNS to Global traffic manager (GTM) for the wide area based load balancing environment of the datacenters
• Developed Windows PowerShell script to automate setting of user credentials and activation ofWindows.
• SDN/NFV performance testing with Spirent vSTC and Ixia IxVM
• NFV as a Service solutions studies (Radware vDirect and F5 BIG IQ).
• Provided Tier III troubleshooting support, in ACD, Call Recording, CTI, SIP Trunk. Complete familiarity with Avaya CM platform products.
• Configuration and deployment of Cisco ISE, Cisco routers / switches, firewalls, load balancers and other network infrastructure devices.
• Wrote various Exchange 5.5 to Exchange 2007 then to Exchange 2010 migration documentations.
• Migrated, created, and managed pools and clusters in F5 BigIP GTM 3DNS load balancers across multiple Datacenters.
• Administered Exchange 2010 server, and resolved tickets in post migration phase.
• Developed PowerShell scripts to automate various tasks in Exchange 2010 and 2013.
• Implemented PowerShell scripts that automated creation of contacts from Active Directory users and updating of address books -increasing productivity and efficiency.
• Analyzed and resolved issues for ICM and CVP systems. Provided technical support for voice recording and CVP applications.
• Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer
• Involved in SNMP Network management.
• Implemented Avaya G450, G350, S8730, S8800, S8300, MMS, Session Border Controllers (SBC), Definity G3, IP Office 500, Avaya Partner, and Merlin Magix Key Systems.
• Upgraded Avaya Communication Manager's to the latest 6.3 version
• Juniper Firewall,NetScreen ISG,SSG,ScreenOS

Confidential, Detroit, MI

Sr. Network Engineer

Responsibilities:

• Involved in configuring and implementing of composite Network models consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Responsible for testing and documenting hosted VoIP/PBX. Programming of VoIP/SIP endpoints, Routers, switches, cabling, DHCP/ FTP/ TFTP servers and firewalls.
• Networks using routing protocols such as RIP, OSPF, BGP, EIGRP and manipulated routing updates using route-map, distribute list and administrative distance.
• Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trucking, STP, Inter-VLAN routing, LAN security etc. Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
• Configured IPsec tunnels with Palo Alto to enable secure transport and cloud based/site-site VPN to both Azure and AWS.
• Configured OSPF redistribution and authentication with type 3 LSA filtering to prevent LSA flooding.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Worked on documentation to create Visio diagrams using MS Visio.
• Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
• Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.
• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
• Troubleshooting the Juniper SRX100 and 110 series, Juniper Net screen routers with Site-Site VPN, and firewalls for Supervalu Retail sites.
• Train the Customer’s design, implementation and support personnel to configure and operate the Juniper Networks products.
• Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments.
• Troubleshooting various network security related issues using Cisco SDM.
• Monitoring links using Solar Winds.
• Performed switching technology administration including VLANs, inter-VLAN routing, KB, port aggregation
• Hands on experienced in Telecom/ Datacom testing tools like Spirent
• Experience with Cisco ASR’s, Catalyst 6500 series switches, 2800 series, and 3800 series. 2900 series and 3900 series routers.
• Configured VPC, FEX and VDC’s on Nexus 5K, 7K.
• Coordinate with Server, Security, Application teams along with 3rd party vendors to provision and setup third party servers, network devices in Data Center environment.
• Worked on ASA 5510/5520 firewalls configuration and Implementation for the network.

Environment: Cisco 7600/7200/3800 routers, Cisco 2950/3500/5000/6500 switches, ASA Firewall 5510/5520, Juniper SRX100, OSPF, BGP, EIGRP, RIP, VLAN, LAN, WAN, VPN, F5 BIG-IP LTM 8900, Nexus 5K/7K, VOIP.

Confidential, Seattle, WA

Network Engineer

Responsibilities:

• Configured HSRP between VLANs, configuring Ether Channels, Port Channel on 6500 catalyst switch
• Configured Routing protocols such as RIP, OSPF, EIGRP, MPLS, static routing and policy based routing
• Configured and troubleshot link state routing protocols like OSPF in single and multiple areas
• Performed data center migration in Access, Distribution and Core layers
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture
• Configured Standard, Extended, and Named Access Lists to allow users all over the company to access different applications and blocking others
• Provided technical support and solutions for network problems, NAT solution on WAN applications
• Performed configuration and troubleshot EIGRP and BGP.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features
• Performed troubleshooting of connectivity problems using PING, and Trace route
• Upgraded Cisco ASA 5510 firewalls using 6500/7600 catalyst modules for enhanced performance, security and reliability. Upgraded IOS, troubleshot network outages.
• Migrated IPv4 addresses to IPv6 addresses using mechanisms like Tunnel Broker, Transport Relay Translation (TRT), NAT64, DS-Lite and DNS64
• Provided on-call support for installation and troubleshooting of the configuration issues
• Planned and implemented Subnetting, VLSM to conserve IP addresses
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Provided technical support for improvement, upgradation, and expansion of the existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment
• IOS upgrade 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using TFTP
• Installed and configured DHCP server, troubleshot of DHCP and other IP conflict problems
• Configured ACLs (Standard, Extended and Named) to allow users all over the company to access different applications and blocking others
• Displayed excellent troubleshooting skills and customer centric approach

Environment: Cisco 2900, 3500, 6500/7600 catalyst Switches and Cisco 2500, 2600, 3600 routers, Cisco ASA 5510 firewalls, Microsoft Lync, Cisco Unified Video Conferencing, Unix commands, IPV6, Cisco IP phones, ACL, STP, VTP, HSRP, Subnetting, VLSM, NAT, RIP, OSPF, EIGRP, BGP, MPLS, TRT Cisco IOS CLI.

Confidential

Network Support Engineer

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500series Cisco Catalyst switches
• Provided on-call support for installation and troubleshooting of the configuration issues
• Configured Standard, Extended, and Named Access Lists to allow users all over the company to access different applications and blocking others
• Planned and implemented Subnetting, VLSM to conserve IP addresses
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Performed troubleshooting of connectivity problems using PING, and Trace route
• Provided Technical support for improvement, upgradation, and expansion of the existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment

Confidential

Jr. Network Engineer

Responsibilities:

• Have ability to install and maintain Microsoft Exchange and worked extensively on different applications.
• Migration of RIP V2 to OSPF, BGP routing protocols.
• Preparing Client Machines for users with Operating Systems, Software, antivirus and required utilities and mailing clients etc.
• Perform daily maintenance, troubleshooting, configuration, and installation of all network components.
• Configuration of CISCO Routers (3600, 4000 Series) and 3550, 4500 series switches.
• TCP/IP network planning, Implementation and Management with subnets.
• Enabled SNMP traps for our Cacti Monitoring tool to monitor traffic and check the regular health of Servers and Network Devices
• Implemented and Configured IP Routing Protocols: OSPF, EIGRP, and RIPv2
• Implemented and configured LAN Protocols: Ethernet, VLANs, VTP and STP.
• Worked with Remedy Ticketing tool in maintaining and keep a track of logs/monitor
• Designed and implemented IP Addressing, Subnetting, Route Summarization and Route Distributions

Environment: LAN, WAN, Subnetting, VLAN, VTP, VPN, NAT, OSPF, BGP, EIGRP