SUMMARY:

• 8 years’ experience in network engineering, performing analysis, design, implementing, troubleshooting with focus on performance tuning and support of large enterprise networks.
• Exposure with Cisco Routers, Cisco Switches, Cisco WAAS, Nexus 7K, 5K and 2K series, Load Balancers and Firewalls, Cisco Wireless Controller, Wireless LAN controllers.
• Expert in configuration of Virtual Local Area Networks using Cisco routers, multi - layer switches and supporting STP, RSTP, PVST, RPVST with trouble shooting of inter-VLAN routing & VLAN trunking using 802.1Q.
• Extensive experience with routing protocols BGP, OSPF, EIGRP, RIP.
• Deft at validating ASR5500 SAE gateway functional testing on IPME; Vo-LTE Analyze network; system responses and determining tuning recommendations to improve performance.
• Experience in working with F5 Load Balancers for LTM and GTM type load balancing between multiple centers
• In-depth understanding of IPV4 & implementation of Sub-netting Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST.
• Expert in implementation, configuration, troubleshooting of Access Control Lists (ACL), NAT and Cisco IOS.
• Knowledge of various advanced technologies like VOIP, QOS, IPv4, Multicasting, and MPLS.
• Worked on Cisco catalyst router 6509 and implemented VSS with VDC & VPC on Nexus 5505, 7010 switches.
• Setup of IPSEC VPN and remote VPN connections to communicate between branches
• Hands on experience on PIX, Firewalls, ASA 5500 series firewalls. Implemented Security Policies using ACL, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+; RADIUS).
• Implementation of Data Center migration from 6500 based data center to Nexus based data center with 7k-5k- 2k dual home design with multiple VDC’s, VPC, OTV and FEX.
• Hands on experience in Network management using Syslog, Packet Sniffers, SNMP, call manager.
• Troubleshoot network issues using Cisco Prime Infrastructure, Wireshark, Solar winds, Cisco NCS, and Firemon
• Configured ASR 1K routers as head end WAN routers and implemented BGP with VRF & OSPF instances
• AWS  CLI used to control multiple services on AWS  and automated by using scripts
• Managing and configuring Aruba Wireless devices . 
• Attend working groups and forums on PKI  policy, procedures, and technologies 
• Network management and monitoring system support and node updates - TL1   and SNMP communication setup and troubleshooting 
• Experience in Designing, Racking, stacking, configuring and troubleshooting of Cisco IOS Devices, Cisco   Nexus Devices and Cisco UCS   servers for large environments. 
• Proactively used monitoring tools ( Nessus Solar Winds trending graphs) to determine production issues .
• Practice HIPAA, Cisco Security, and Security+ standards while maintaining accessibility to appropriate data to end  in the labs.
• Experience in the support and operation of the Orion Solar winds   platform including Network Performance Monitoring (NPM) Network Configuration Manager, and Server & Application Monitor (SAM), Net Flow, Traffic analyzer and IP address Manager  .
• Experienced working with Arista switches DCS-7150s-24 and another model’s configuration
• Hands on experience in Cisco IOS/IOS-XR/NX-OS, Juniper JUNOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, BGP v4, MPLS, NAT, VLAN, STP, VTP, HSRP & GLBP.
• Experience with different Network Management Tools and Sniffers like Wireshark (ethereal), HP-Open view, RSA envision, Net flow, Solar winds, Riverbed, Info-Blox and Cisco works to support 24 x 7 Network Operation Centre.
• Experience in IP addresses allocation for many networking devices including switches/routers/Firewalls/F5 Load Balancers through DNS entry using Info-Blox.

TECHNICAL SKILLS:

LAN/ WAN Technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP, PVST, RSTP, 802.1W, Frame Relay, ISDN, PPP, MPLS, leased lines and exposure to PPP, HDLC, DS1, DS3, OC3, OC12, OC48, T1/T3 and E1/E3

Routing/ Switching: Cisco routers (7206 VXR, 4431, 4331, 3945, 3925, 3845, 2901, 2811,2612, 1900, 1800, 800) Cisco catalyst switches (6800, 6509, 6506, 6513, 3750, Catalyst 37xx stack, 3550, 2960, 2800, 1900 series), Cisco Nexus (7000 series 10- slot switch, 5548P, 5548 UP, 2248TP. 2248TP-E, 2232PP), VPC, VDC, OTV,AS4, Aruba Wireless .

Security: Cisco ASA 5500 series (5505, 5512-X, 5525, 5545) and PIX 515E, 525 series, Palo Alto, Checkpoint, IPsec VPN configuration, RADIUS, TACACS+, IDS/IPS, 3060 VPN concentrator, PKI, ACL, NAT/PAT, Route maps, Load Balancers, Alcatel client- SAM 5620, ALU AMS 5520.

Wireless: Autonomous AP’s, Lightweight AP’s, RF Design, Cisco Wireless LAN Controller 2400, 5500 Series, WDS, and WLSE, Standards 802.11 a/b/g,POP,3PP

Management Tools: Cisco Prime Infrastructure, Solar winds, Fire-mon, Cisco NCS, Cisco UCS, Net-MRI, Show and Share, Wireshark, Net-Qos Super-Agent, MS/NMS,Nim-soft Tool, DMZ zone

Operating Systems: UNIX, LINUX (Ubuntu, Red Hat), Sun Solaris, Mac OS, Windows server 2000, 2003, 2008, Windows 7/NT/XP/Vista, Cisco IOS, Cisco IOS-XE, Cisco NX-OS

Programming: C++, MATLAB, Python,Bash,Perl.

Documentation: MS-Office (PowerPoint, Excel, Word), MS-Visio, SharePoint, Google Docs

PROFESSIONAL EXPERIENCE:

Sr. Network Engineer

Confidential, Issaquah, WA

Responsibilities:

• Worked on high availability Nexus environment and provide Level 3 network support..
• Designed and installed new branch network systems. Resolved network issues, running test scripts and preparing Network documentation.
• Translated Cisco IOS Route maps to Cisco IOS XR routing policies.
• Worked with Cisco Nexus 2148 Fabric Extender and Nexus 5500 series to provide a flexible Access Solution for datacenter access architecture.
• Worked on Infoblox to update DNS host and records to assist the part of the migration.
• Worked on converged Access via Prime infrastructure with SNMPv2 and v3 configuration and integration with ACS 4.2TACACS.
• Implemented security solutions using Palo Alto PA-5000, Checkpoint Firewalls R75, R77.20 Gaia & Provider-1/MDM.
• Worked on CISCO Nexus 7000, Nexus 5000, and Nexus 2000 platforms
• Created, assigned and provided IP and DNS records for server and application teams using Microsoft DNS server .
• Working on Cisco Prime   and Wireless controller to Manage all WAPs in campuse s 
• Configured Wireless Access Points, Controllers using Cisco Prime .
• Used VLAN Trunk Protocol (VTP) while configure a new VLAN on one VTP server.
• Configured DHCP scope into Info-blox for new sites which includes subnets for wireless, voice, security and data and also use to bind/fixed the IP address with particular Mac address.
• Configured the socket programming to blocking/Non-blocking for multiplexing the socket I/O for better performance.
• Automating various Cisco IOS using python scripting .To create separate SCP channel to Transfer Files.
• Experienced working with Amazon Web Services AWS functionalities like EC2, VPC, Auto Scaling, Elastic IP, IAM, ELB, Database, Storage, IGW, S3, Private Subnets, Public Subnets, Cloud Security. 
• Providing Security using IAM, Security Groups and NACL. 
• Experience in Implementing AWS VPN  .
• Supporting AWS  Database servers ( RDS, REDSHIFT and DYNAMO DB
• Used Python   based GUI components for the front end functionality such as selection criteria.
• Created test harness to enable comprehensive testing utilizing Pytho n.
• Development of Scheduled tasks and UNIX shell scripting and python to maintain and automate the Build process .
• Implemented Compaq Insight Manager 7.0 for monitoring of 120 NT/2000/Netware Servers
• Python scripting implementation for processing database records. 
• Involved in migrating applications from NetScaler to F5 Big - IP environment.
• Deployed load balancing and failover solution with firewall and L3 switches
• Proactively monitored and managed all productions network systems to maximize system availability in Citrix NetScaler
• Dealt with monitoring tools like Orion Solar winds and network packet capture tools like Wire-shark etc.
• Managing data center and network by using Solar Winds NPM, NTA, NCM and F5 load balancer 
• Solar Winds   Administrator: discovering and monitoring devices on the network, adding removing users, configuring alerts for network Devices, Servers and applications . 
• Responsible for performing predictive Wireless  designs/site surveys with AirMagnet Planner (Cisco 3500/3600/3700 Aruba   105 access points) and conducting physical   wireless   site surveys with AirMagnet Survey
• Configured HSRP between the 3845-router pairs of gateway redundancy for the client desktops
• Configured GLBP, VLAN, VTP's, Trunking 802.1Q, STP, Port security on Catalyst 6500 switches
• Involved in Configuring, monitoring and troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
• Worked on HP open view map for network management system and ticketing
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter Vlan Routing, LAN security.
• Configured and performed software upgrades on Cisco Wireless LAN Controllers 5508 for wireless Network Access control integration with Cisco ISE.
• Worked Extensively on Access Control Policies consisting of VLAN switching through SNMP, Applying downloadable ACLs through Cisco ISE, and Configuring Standard and Extended ACLs.
• Utilized Wireshark for implementing enterprise monitoring and configuring F5 Big-IQ, BIG-IP Application Security Manager, Advanced Firewall Manager and BIG-IP DNS, GTM/LTM for the F5 BIG-IP 3900 and 6900 platforms.

Environment: Cisco Routers, Aruba Wireless, RF Design Switches, OSPF, EIGRP, Inter AS9 and AS4 Routing Application Visibility and Control (AVC),NT Server, Net flow,PKI, Access Control Server (ACS), DMVPN, VPN, MPLS, LAN, WAN, ASA, Solar winds, Cisco Prime, VMware, Cisco ISE Cisco UCS Cisco ISE, PFR, NetScaler, F5 Load Balancer, Bluecoat, python.

Network Engineer

Confidential, NY

Responsibilities:

• Configured Routing protocols such as EIGRP, OSPF, static routing and policy based routing.
• Configured and troubleshot OSPF in single area and multiple areas.
• Implemented BGP with Cisco ISR G2 Routers.
• Configured 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with VLAN.
• Created and tested Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPN connection.
• Managed the F5 Big IP GTM/LTM appliances, everyday task of creating WIP and VIPs.
• Handled IOS upgrades on Cisco 3600, 3800 series Routers.
• Developed automation scripts using Python scripting   language
• Python scripting implementation for processing database records. 
• Network and Server Monitoring via Solar winds (NPM,NCM, IPAM, NTM).
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Redesigned Internet connectivity infrastructure for meeting bandwidth requirements.
• Configured VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010.
• Worked extensively in Configuring, Monitoring and Troubleshooting on Cisco ASA 5500/PIX security appliance & configuring VLANs, routing, Nating with the firewall as per the design.
• Applied ACL for Internet access to the servers using Cisco 5550 ASA firewall and performed NAT.
• Configured VLANs with IEEE 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.
• Configured and troubleshot Cisco 2500, 2600, 3000, 6500, 7500, 7200 series Routers.
• Responsible for system up-time and environment for AS400 systems.
• Configured Wireless  Bridging between different sites.
• Perform Wireless (RF) Site Surveys with Air Magnet
• Planned, tested & evaluated equipment's, systems, IOS & procedures for use in Network/security infrastructure.
• Managed the network devices (Routers, Switches, Cisco  ACS, Cisco  ISE, Cisco  Access Points, Wireless Controllers) and maintained the inventory of the devices in the network using Cisco Prime .
• Continually monitored, assessed and improved network security, test & implement new security technologies.
• Use ISE Deployment Assistant (IDA) to validate and document endpoint authentication status during monitor mode deployments . 
• Runs IDA Diagnosis Tool to get the endpoint information (i.e., Switch Name, Connected Interface,   Address, Cisco ISE   Endpoint Information), which is used to estimate the failure, risks before change windows .
• Racking Cisco UCS   servers and configured CIMC, RAID and Installed different versions of ESXi . 
• Provided Technical support for improvement, upgradation, and expansion of the existing network architecture.
• Utilized Puppet for configuration management of hosted instances within AWS and utilized S3 bucket and Glacier for storage and backup on AWS; configured and networked Virtual Private Cloud (VPC).
• Configured and implemented F5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic.
• Participated in technical aspects of LAN, WAN, VPN technologies along with development and security Internet Service projects including, short and long term planning, implementation, project management and operations.

Environment: Nexus 7k, 5k, Checkpoint firewall, Aruba Wireless, RF Design Cisco ISE Cisco UCS Cisco ISE Cisco ASA 5500, BGP, EIGRP, OSPF, MPLS, VPN, F5 Load Balancer, Juniper, Junos, PKI, HSRP, QoS, VPN Core switches 6800, 6500, 4500,Windows NT Server Cisco routers 3660, 7609, ASR 5500,AS4 Routing Wire Shark, Solar winds, NetScaler, Bluecoat, python.

Network Engineer

Confidential, Philadelphia, PA

Responsibilities:

• Part of network engineers team for base wide network troubleshooting of Cisco Layer 3, Layer 2 devices
• Configured Cisco voice over IP (VOIP) phones, and Telephony.
• Experience working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher (RD), Route Target (RT), Label Distribution Protocol (LDP) & MP-BGP
• Implemented antivirus and web filtering on Cisco devices
• Worked and collaborated with a Team of IP Telephony Specialists, supported them on a need basis
• Implemented and supported operations of routing protocols and topologies including BGP, OSPF, MPLS, DMVPN
• Implemented EIGRP, OSPF & BGP and configured security policies- NAT, PAT & Access Control Lists (ACL).
• Managed LAN and Wireless network and performed troubleshooting On LAN, WLAN, Customer modems (NTL 250, MOTOROLA) And CPE router
• Configured network using routing protocols such as RIP, OSPF and BGP and troubleshooting L2/L3issues
• Worked with Transaction Language 1 (TL1), which is used as a management protocol in telecommunications.
• Responsible for maintaining Linux servers (RHEL, Ubuntu) as well as ensuring the health and stability of the server. This included troubleshooting possible package/library conflicts using various OS, server, and application logs to pinpoint the problem in order for it to be corrected.
• Actively involved in Switching Technology Administration including creating and managing VLANS, Port security- 802.1x, Trucking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Tested various networks, which works on the protocols like of TCP/IP (IP, TCP, UDP, SNMP, DNS, DHCP, FTP, HTTP, HTTPS, ICMP, SMTP, ARP, IPSEC and NAT).
• Monitored network nodes during operations via Infoblox (Net Cordia) Net MRI and SNMP.
• Configured NAT on to the Juniper SRX firewalls using Infoblox.
• Designed & implemented Data Center Migration; implemented strategies for expansion of MPLS VPN networks.
• Supported Citrix NetScaler F5 platform, configuring, implementing, & troubleshooting Citrix NetScaler VIP configuration with health check, policy configurations Access Gateway, & content switching configuration solutions
• Responsible for Configuring and mapping wireless access points in Cisco Prime .
• Performed the Linux kernel and operating system upgrades on the servers as suggested by Linux engineering team.
• Configuring DNS & DHCP using python library.
• Assisted in installation of a new DS3 MPLS WAN backbone implemented throughout the entire corporate network
• Identified opportunities for implementation of network best practices, particularly F5 load balancer implementations.
• Involved in Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP, MPLS.
• Monitored and resolved network device issues identified by Solar winds in a timely manner.

Environment: Checkpoint firewall, Cisco ISE,RF Design, Aruba Wireless, PKI,Cisco ASA 5500, BGP, EIGRP, OSPF, MPLS, VPN, HSRP, QoS, VPN, Juniper, Junos Cisco switches 2232, 5596, 7009. Inter AS4 Routing, Solar winds .

Network Analyst

Confidential, Louisville, KY

Responsibilities:

• Worked with Network Design & Implementation teams on projects related to Branch, Campus & Data Centre.
• Configured and maintained Cisco 2800, 3800 & 7200 routers, ASR 1006.
• Worked with Cisco 2811, 3750, 4948, 2600, 6500 series switches.
• Designed & troubleshot aspects of complex network topology using routing protocols like EIGRP, OSPF & BGP.
• Software Installation Methods: Yum (Server Side Configuration - created dependency files using create repo command), Yum (Client Side Configuration
• Configured & troubleshot routing protocols: MP-BGP, EIGRP, RIP, OSPF, BGP v4 and IP access filter policies.
• Worked on various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Installation and configuration of Centos 6, RHEL5, Ubuntu 12.04.
• Handled IOS upgrades on catalyst series switches like 2900, 3560, and 3750.
• Designed and deployed Partner IPSEC VPN tunnels.
• Deployed GRE tunneling over IPSEC between to data centers.
• Converted Cisco 6400 IOS to Cisco Nexus NX-OS in the data center environment.
• Configured VPC, VDC and ISSU Software upgrades on Cisco Nexus 6010.
• Upgraded, configured and verified the NX-OS operation system.
• Troubleshot slow network connectivity & routing issues that involves OSPF, BGP and identified the root cause.
• Configured DHCP, DNS, IPAM on servers for auto allocation, IP addresses resolution from Subnet
• Configured Corporate, Wireless & Lab Devices for Bandwidth Upgrade, Add & Decom Devices, Testing (Pilot).
• Troubleshot the Network Issues onsite and remotely depending on the severity of the issues.
• Worked for permanent solution on reoccurring network incidents on live network.
• Made emergency changes in the network to ensure uninterrupted services.
• Managed network security with respect to port-security on access layer and ACL on distribution layer.

Environment: ASR 5500, IWOS, Quality Center,F5 Balance Manager, Juniper, junos WAP, WLC, Snooper, Solar winds, Wire Shark.

Network Analyst

Confidential

Responsibilities:

• Planned and implemented Sub-netting using VLSM method and allocating them to the applications and servers.
• Configured VLAN’s & Trunk links between switches; implemented Inter-VLAN routing with multilayer switching.
• Implemented VTP & Trunking protocols (802.1q & ISL) on 3560, 3750 & 4500 series Cisco Catalyst switches.
• Configured STP for loop prevention and configured EIGRP on 2600, 2900 and 3600 series Cisco routers.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Configured Standard, Extended, & Named Access Lists (ACL) to allow users to access applications & block others.
• Performed troubleshooting of connectivity problems using PING, and Trace route.
• Provided on-call support for installation and troubleshooting of the configuration issues.
• Provided Technical support for growth, upgradation, and expansion of the existing network architecture.
• Troubleshot TCP/IP, layer 1, 2 problems and connectivity issues in multi-protocol Ethernet environment.
• Dealt with monitoring tools like Wire-Shark to capture, filter and inspect Packets.
• Configured remote desktop connectivity within the LAN.
• Worked on hardware systems installation and in racking, stacking, and cabling of Switches and Routers.
• Assisted with new and existing equipment, maintaining of hardware and software upgrades.
• Configured and Installed Cisco Wireless Access Points (WAP) at various locations in the company.
• Other responsibilities also included documentation.

Environment: RIP, OSPF, BGP, and VLAN, HSRP Spanning tree,F5 Load Balancer, IP Sec tunnels, Windows Server, Cisco routers and switches.