SUMMARY

• Cisco certified network engineer with 8 plus years of work experience in design, installation, configuration, administration and troubleshooting of LAN/WAN infrastructure and security using F5/ routers/ switches/ firewalls.
• Excellent Knowledge about TCP/IP and OSI models.
• In depth understanding of IPV4 and implementation of Subnetting
• 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.
• Deploying and configuring H3C switches for refreshing current network.
• Good understanding of programming languages like C, Python.
• Proficiency in configuration of VLAN setup on various Cisco, Juniper 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
• Good understanding on the working of Brocade switches.
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Experience in managing Active Directory, TCP/IP, DHCP, DNS, Group Policy, LAN, WAN, NAT, VLAN,CiscoIdentity Service Engine (ISE), SNMP/Syslog, subnetting, switching, firewall policies, wireless networks, VPN as well as virtual backup systems.
• Working knowledge on developing test plans, procedures, and testing various LAN/WAN products and protocols
• Experience in configuration and implementation of Cisco ACI, Nexus 9K, VMware.
• Experienced in configuring and troubleshooting of Palo Alto, Juniper Netscreen & SRX Firewalls and their implementation Experience in site-to-site and remote access VPN solutions.
• Experience with websense, security and content filtering policies.
• Good understanding of multiple contexts in TACAS, SDN, VPN, VNF, ISE, Standard and Extended ACL, IDS/IPS IDS, IPS/source fire ASA-firewall and implemented different failover mechanisms among ASA firewall.
• 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.
• Experience in configuring client based SSL VPN using CLI and ASDM.
• Hands on experience with infoblox DNS, DHCP, IPAM and reporting server
• 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.
• Experience innetworktroubleshooting and analysis using Wireshark and tcpdump.
• Working knowledge of various monitoring tools like Solar winds, Cacti.

TECHNICAL SKILLS

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MPBGP, HSRP, IPv6,WLAN, 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 9K, APIC).

F5 Load Balancers: (LTM & GTM) configuration, administration and troubleshooting. Have good experience working on both 9.x, 10.x and 11.x versions, F5 BigIP 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, 802.1x, Packet capture/ analysis

Wireless: WLAN controllers, access points (APs), Cisco, Aruba

Redundancy: HSRP, VRRP, GLBP, RPR, NSF/NSR, Wireshark, Solarwinds, SNMP

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.

Monitoring Tools: Wire shark, TCP dump, Splunk, Servicenow, SolarWinds, Riverbed, Email Monitoring, and Cisco Works.

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

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

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

PROFESSIONAL EXPERIENCE

Confidential, New York City, NY

Senior Network Consultant

Responsibilities:

• Configuring & managing around 500+ Network devices that includes Cisco and Juniper Routers & Switches, Nexus Switches, WLAN Controllers, access points (APs), and security devices like firewalls, proxies, IPS, SSL, VPN devices.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco ISE, Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series), Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) and F5 vipiron load balancers.
• Resolution of complex routing, switching and security related problems withCiscoand Juniper routers and HSRP, Ether channel configuration and MPLS, MPLS VPN troubleshooting.
• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Responsible for managing ctive Directory, TCP/IP, DHCP, DNS, Group Policy, LAN’s, WAN’s, NAT, VLAN’s,CiscoIdentity Service Engine (ISE), SNMP/Syslog, subnetting, switching, firewall policies, wireless networks, CA’s, VPN’s, storage concepts (such as SAN, NAS, RAID levels), ISCSI, as well as virtual backup systems.
• Provided asset auditing on pre and postmigrationon Lan/Wan network devices.
• Configured IP addresses and subnet masks of workstations.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Configuration and installation ofAruba3200, 3600Wirelesscontrollers andAruba135 Access Points.
• Configuring, Administering and troubleshooting the Checkpoint and ASAfirewall.
• Configuration and Support of Checkpoint (NGX R65, R70 and R71), Juniper Firewalls (SRX5400, SRX5600, and SRX5800), Cisco Firewalls (ASA 5505, 5506-X, 5585).
• Responsible for Check Point and Cisco firewall administration across globalnetworks.
• 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.
• Designing and troubleshooting Point-to-point (PTP) and Point-to-multipoint (PTMP) RF deployments.
• Cisco ISE deployments on mid to enterprise projects.
• Took active part in setting upCISCOISEin corporate network and well experienced in configuring and troubleshooting connectivity issues.
• UsedCiscoIdentity 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.
• Implemented Cisco secure access control server(ACS) with 802.1x authentication utilizing cisco Aironet access points utilizing the wireless LAN solution engine and wireless domain services(WDS).
• Provided technical assistance for building and maintenance of Cisco Wireless and ISE systems.
• Installation, advanced configuration and troubleshooting of Cisco and F5’s load balancing devices.
• Maintenance of F5 Load balancers-6600/6800 .
• Responsible for F5 LTM/APM/ASM load balancing and other modules.
• Experience in F5 LTM, APM and ASM 4500 appliances to include of creating pools and nodes.
• Responsible for reviewing current and planned network designs, particularly F5 load balancer implementations.
• Configuring and troubleshooting Netscaler load balancers for citrix servers.
• Worked on Bluecoat ProxySG to blacklist and white list websites, URL filtering and content filtering.
• Worked on bluecoat web application firewall to improve application performance and to perform checks on HTTP, HTTPS, TCP, ICAP and ICMP in order to monitor web content servers.
• Sound knowledge of Multi-Protocol Label Switching (MPLS), Firepower, Voice over IP (VoIP), Firewall PIX,CiscoCall Manager and routing protocol BGP.
• Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer.
• Monitoring SNMP configuration and syslog analysis using monitoring tools like solar winds.
• 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.
• Maintained & configured VOIP, SIP Gatekeepers, Gateways/Routers, on E1/T1, PSTN, and GSM/CDMA integration.
• Proficient in using SolarWinds Network Management tools like Network Performance Monitor (NPM), Net flow Traffic Analyser, Network Configuration Manager (NCM) and Cisco Prime.
• Developed Windows PowerShell script to automate setting of user credentials and activation ofWindows.

Confidential, Detroit, MI

Sr. Network Engineer

Responsibilities:

• Configuration, maintaining, and troubleshooting Network and Security devices such as Cisco routers and switches (Cisco 7600/3500/Nexus 7K/5K) Load Balancers and DNS and IP Manager (Infoblox).
• 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.
• Worked on Cisco IOS-XR on the ASR9000 devices for MPLS deployments.
• Configuring and maintaining 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.
• Maintaining organization’s network and security devices like Cisco routers, switches, ASA firewalls, and VPN (DMVPN,SSLVPN) connectivity.
• Testing Cisco routers for possible DHCP, CoS, and QoS misconfigurations.
• Networks using routing protocols such as RIP, OSPF, BGP, EIGRP and manipulated routing updates using route-map, distribute list and administrative distance.
• Troubleshooting using command prompt, process monitor, and network monitoring software such as wireshark.
• Configuring RADIUS and TACACS for authentication and accounting purposes.
• Maintain a thorough understanding of IPSec VPN tunneling and ACL’s.
• Designing and implementing the filtering policies using content filtering products like Websense.
• 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.
• Worked with Checkpoint, Cisco ASA, and Palo Alto Networks solutions.
• Configuration and Support of Palo AltoNetworks Firewall models (PA-2k, PA-3k, and PA-5k).
• Experience in handling and installing Palo AltoFirewalls.
• 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.
• Performing mentor installs on ACI and Cisco Cloud center.
• 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.
• Using GTM, APM & LTM F5 component to provide access to the applications.
• Deployment of F5 Solutions with extensive experience working with APM and ASM technologies.
• 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.
• Supporting and configuring VPN (DMVPN, EZVPN, IPSEC VPN).
• Worked on related security tools such as QRadar SIEM, Symantec manager and checkpoint.
• Responsible for designing and deploying various network security & High availability products like Cisco ASA and Checkpoint Firewall products.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Worked on ASA 5510/5520 firewalls configuration and Implementation for the network.
• Security design using Network Access Control (NAC) and firewall requests.
• Troubleshooting various network security related issues using Cisco SDM.
• Performed switching technology administration including VLANs, inter-VLAN routing, KB, port aggregation
• Administration of VMware ESX 5.5 for running the windows, and Red Hat Linux servers.
• Design and Implement virtualization solutions based on VMware vSphere ESXi, ESX platform, vCenter.
• Coordinate with Server, Security, Application teams along with 3rd party vendors to provision and setup third party servers, network devices in Data Center environment.
• Hands on experienced in Telecom/ Datacom testing tools like Spirent.
• Monitoring links using Solar Winds.
• Monitoring network equipment, storage, computers and datacenter assets via source solutions using Cacti and Nagios.

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,VMware.

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 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.
• 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.
• Migrated IPv4 addresses to IPv6 addresses using mechanisms like Tunnel Broker, Transport Relay Translation (TRT), NAT64, DS-Lite and DNS64.
• Worked on TCP/IP, DNS, DHCP, Content load balancing.
• Deploying and maintaining ACI Data center lab utilized by the global support team
• Provided on-call support for installation and troubleshooting of the configuration issues
• Deployment of applications on Linux/ Unix environments.
• 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
• Experience in monitoring databases, applications, network infrastructure, and servers using Cacti
• 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