SUMMARY

• Over 8+ years of IT experience in design, development, implementation, troubleshooting and maintenance of complex Network & Security devices, Network Security, Linux Kernel Programming.
• In - depth Cisco technology experience/knowledge in design, implementation, administration and support.
• 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.
• Hands-on experience in Cisco ISE, ACS and Aruba Clearpass Radius and TACACS solutions
• Advanced knowledge of OSI model, TCP/IP, 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.
• Expertise in network protocols, Firewalls and Communication Network design.
• Experience with Troubleshooting tools for example protocol analyzers, load generators & network traces.
• Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NATing, sub-netting, also including DNS, WINS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
• Also prepared documentation for various Vlans and Voice subnetworks and worked on Visio for the same.
• Experience with convert PIX rules over to the Cisco ASA solution. Configuring RIP, OSPF, BGP and Static routing on Juniper M and MX Series Routers.
• Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series
• Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP
• Expertise in installing, configuring and troubleshooting Juniper Routers (E, J, M and T-series)
• Experience with design and implementation of Virtual Switching System (VSS)
• Implementing 3750 Stackable switches using Cisco Stack Wise technology. Experience to review and evaluate current and future design issues as required maintaining network integrity, efficient data flow.
• Excellent Verbal, written communication skills and Interpersonal skills with ability to work with large teams as well as independently with minimum supervision & Team Player.
• Expert level knowledge on configuring Cisco Wireless Solutions, Aruba Mobility controller.
• Proficient with network hardware and technologies including routers, switches, firewalls, Ethernet, Fast Ethernet, Gigabit Ethernet, Frame Relay and Wireless devices.
• Hands-on experience in configuring Cisco routers to perform functions at the Access, Distribution, and Core layers.
• Proficient with Cisco ASA 5500 series firewall.
• Network security including NAT/PAT, ACL, VPN Concentrator.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Experience in Cisco ACI Integrating Layer 2, Layer 3, L4-L7 and VMware with ACI
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
• Designing, Implementing and Troubleshooting Cisco Routers (2800,2900,3900,3800,7600) using Static, RIP, IGRP, OSPF, EIGRP & experience with Checkpoint, Cisco PIX & ASA devices
• Well experienced in configuring gateway redundancy protocols like HSRP, GLBP, PPP and SNMP.
• Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
• Strong Hands on experience in installing, configuring and troubleshooting of Cisco 12404,12406,7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
• Worked on F5 LTM, GTM series like 6400 & 6800 remotely under the enterprise network.
• Worked on Ticket tool BMC Remedy 8 and Data Center tool Nlyte.
• Worked on F5 LTM/GTM, BIG-IP, load balancing, iRules, and WAN acceleration.
• Experience with Juniper SRX 240 Firewalls
• Network Security - Anomaly Detection in Attack Prevention System, Network and Host IPS/IDS, Cisco PIX firewall, Vulnerability scanning, Penetration testing, Buffer Overflows, Cross Site Scripting,

TECHNICAL SKILLS

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600,1800,1700

Switches: Nexus 2K/5K/7K, Cisco Catalyst 2900, 3500, 3700,6500, 4500, 3850,3560, 3750, 2960

Load Balancer: Cisco CSM, F5 Networks (Big-IP) LTM and GTM

WAN Optimization: Riverbed Steelhead Appliance, PPP Multilink, Riverbed

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution, Summarization, Static Routing

Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switching, Multicast Operations, Layer 3 Switches, Ether channels, Transparent Bridging

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet,Token Ring, Emulation

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay, ISDN, MPLS, Riverbed.

Wireless: Cisco 4400 Wireless Controller (WLC) and 1100, 1200 series Access Points, Air Magnet, WLC’s (8510, 5508, 5706), Cisco Aironet AP’s (2600, 3600, 3700), ISE, MSE, Aruba 225, Aruba 3000 controller & Airwave, ISE. ACS 5.x and Clear Pass 6.0,6.2,6.5

Firewalls: Cisco PIX, ASA, Juniper Netscreen, Palo Alto, SRX, Checkpoint

Features & Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Monitor Tool: MRTG, Netbrain&Solarwinds& Cisco Prime Infrastructure, Opnet.

Protocol Analyzer: Wireshark

Ticketing tool & Data Center Tool: BMC Remedy 8 &Nlyte

Security: Cisco ASA, Check point, Juniper SRX, Palo Alto

Operating System: DOS, Windows (95, 98, NT/2000, XP, Vista/7/8/10), Cisco IOS, Pan-OS

PROFESSIONAL EXPERIENCE

Confidential

Sr. Network Engineer

Responsibilities:

• Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K, 2k and its downstream devices.
• Experience in Configuring, upgrading and verifying the NX-OS operation system.
• Experience with converting 6500 to Cisco Nexus in the data center environment.
• Converting CatOS to Cisco IOS Config Conversion on Access, distribution & Core layer switches.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Experience configuring Virtual Device Context in Nexus 7010.
• Configuration of Cisco 6500 (Sup 720), 4500 (SUP 6) & 3750 Catalyst Switches for network access. Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) & ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• Configured and maintained IPSEC and SSL VPN’s on Palo Alto Firewalls.
• Worked with Palo Alto Panorama management tool to manage all Palo Alto firewall and network from central location.
• Detailed knowledge of critical routing and switching features such as Class of Service/Quality of Service, Traffic and Performance Engineering, High Availability, and IP Services such as FTP, NAT/PAT, and NTP
• Configuring, Installing and troubleshooting on Check Point Devices .
• Good knowledge on Intrusion Detection and Intrusion Prevention System.
• Policy Building using IDP .
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LAN s of network.
• Software Defined Networking (SDN) - VMware NSX, Cisco ACI
• Experience in Cisco ACI Integrating Layer 2, Layer 3, L4-L7 and VMware with ACI
• Configured OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Work with Datacenter Team upon project request to deliver project on time. Sometimes will help them in racking and stacking network devices.
• Configured CIDR IP RIP, PPP, BGP, MPLS and OSPF routing.
• Configured F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Worked on migrating the LTM 5100 version 9.2 to 5100 LTM version 9.4 and F5 GTM configurations.
• Worked on updating pools, members and nodes using the GUI interface for the local traffic managers.
• Cisco IPT Migration Projects from legacy PBXs with Nortel.
• Involved in iRule management like loading rules, writing iRule syntax using TCL language and iRule extension to TCL.
• Worked on updating the SSL certificates to the application URL using the F5 LTM and F5 GTM.
• Working with Network Design and implementation teams on various projects across North America.
• Experience with manipulating various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Experience in network security in a telecommunications environment.
• Configuring RIP, Static routing, BGP, OSPF on Juniper M and MX series routers.
• Identify, design and implement flexible, responsive, and secure technology services.
• Deploying and decommissioning of Cisco Routers, Cisco switches and their respective software upgrades.
• Performing the Firewall ACL requests change for various clients by collecting source and destination details.
• Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.
• Configure Corporate, Wireless and Lab Devices which includes Bandwidth Upgrade, Adding New Devices, Decom the Devices, Testing(Pilot).
• Developed Visio Documentation to give complete picture of network design for each building.
• Experience with configuring OTV between the data centers as a layer 2 extension .
• Configuration and extension of VLAN from one network segment to another segment between different vendor switches (Cisco, Juniper).
• Configuration & troubleshooting of routing protocols: BGP, OSPF, EIGRP, RIP, BGP v4.
• Implemented DHCP, DNS configuration on the servers to allocate, resolute the IP addresses from subnet.
• Hands on Experience testing iRules using Browser (IE), HTTP watch, curl, Scripts (shell/batch file/perl) and host files.
• Dealt with creating VIP (virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency and redirection of URL and F5 ASM cookies issues and configures ASM policies.
• Experience working with Juniper Routers (MX960, MX480, M320) and Switches (EX2400, QFX Virtual Chassis Switches) with BGP, OSPF, VSTP, MST layer 2 and layer 3Technologies.

Environment: Cisco 6500 (Sup 720), 4500 (SUP 6) & 3750, 6500 switches and Nexus 7010, 5020, 2148, 2248, ACI, Palo Alto 5K, Cisco ASA5510, Checkpoint windows server 2008/2012: F5 BIGIP LTM, Aruba Switches.

Confidential, Knoxville, TN

Sr. Network Engineer

Responsibilities:

• Experience working in Data Center environment, configuration changes as per the needs of company.
• Working on Migration Project from 6509 catalyst switches to Nexus 5k.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and provided secure sessions over internet using IPsec and SSL encryption
• Hands on experience of data center environment and implementation of VPC, VDC and Fabric path on Nexus 7K, 6K, 5k & 2K Switches.
• Worked as a single point of contact for the whole Migration Project.
• Deployed a New Cisco Collector from scratch in Production Environment.
• Hands on experience with trouble shooting and configuring terminal servers.
• Implemented changes and upgrades to network equipment and perform quality assurance reviews of those upgrades. Reviewed all changes to network configuration for technical accuracy and impact.
• Deploying and decommissioning Cisco switches, Routers and their respective software upgrades.
• Managing the DHCP Server and DNS entries using BlueCoat.
• Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Providing Technical Support and solutions for Network Problems.
• Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
• Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Experience with how to config juniper virtual chasses, make ip ranges on juniper switches and Help on their more than 15 different side my solving issue through Jira tickets system and help them troubleshoot issue on routers and switches.
• Configuring RIP, OSPF and Static routing on Juniper M and MX Series Routers.
• Performing network monitoring, providing analysis using various tools like Wireshark, SolarWinds etc.
• Experience with design and implementation of Data center migration.
• Creating and managing user accounts to all team members in partner environment.
• Experience in Cisco switches and routers: IP addressing, WAN configurations.
• Performed and presented network analysis as a part of network migration. Involved in knowledge transfer to vendors and provided them network support as required.
• Performing the ACL requests change by collecting source and destination information from them.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view) and experience with developing complex network design documentation and presentations using VISIO.
• Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.
• Troubleshoot/Modify/Decommission existing IPSEC L2L VPNs across North America and Europe using external checkpoint FW, Cisco ASDM and CLI on Cisco ASA Firewalls.
• Troubleshoot Firewall Related Issues on Checkpoint Firewalls as well as Cisco ASAs.
• Configure emergency ACLs on the external facing Routers to gun down attacks/ threats from any IPs (Hacking/DDoS source) which happens often being a financial Institution.
• Used Cisco ASA, Checkpoint Smart Dashboard (Tracker) and Nokia IPSO Firewalls to trace Active SAs for migration and inventory.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Documentation of network resources, systems, peripherals, procedures and policies for optimization of IT resources and security.
• Worked directly with customers in migrating the old production devices with newer devices.
• Knowledge of F5 Best Practices, used iHealth, SSL offloading, Route Domains, GTM Sync Group.
• Managing and configuring Aruba Wireless devices and Cisco Access Points.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Actively participated in all the cabling work, racking and staking of the devices.

Confidential

Sr. Network Engineer

Responsibilities:

• 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 issue Other responsibilities included documentation and support other teams.
• Experience on open DCIM tool which is to monitor the Data center environment and provides complete physical inventory (asset tracking) of the data center
• Experience with design and implementation of Data center migration.
• Assisted in building site-to-site IP sec VPN tunnels.
• Creating and managing user accounts to all team members in partner environment.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.
• Worked on SNOW ticketing tool for handling different priority level tickets.
• Experience configuring VLAN’s, WLAN’s (SSID), WLC’s and WAP’s.
• Implementing and configuring F5 LTM's for VIP's and Virtual servers as per application and business requirements.
• Experience with Juniper SRX 240 Firewalls, QFX, MX, EX SERIES.
• Experience in configuring Juniper Layer 3 EX4200 & EX3200 switches. Design, implement and administer IPv4/IPv6 enterprise network infrastructure utilizing Juniper routers.
• Worked on Juniper MX 480, MX960 network infrastructure utilizing Juniper routers. Worked on Juniper MX 480, MX960, Worked with IOS upgrade of Juniper devices
• Understand the JUNOS platform and worked with IOS upgrade of Juniper devices.
• Configured Remote Access VPN on Juniper SA 6500, 4500,2500
• Configured Admin and User Realms, Roles, Resource Profiles, Sign-in Policies and monitored User logs on Juniper IVE.
• Performed software upgrade on Juniper IVE from 7.3R5 to 8.0R1 to support Remote access on Windows 8.1 operating system.
• Provide operation support for F5 load balance connection to hotek core server upgrade and eventually task on F5 LTM. for remote site location likewise on ports, cruise ships.
• Modify and implement ACL changes on Client routers and assist the user when there are any issues using Network Authority. Authentication to this is also done through TACACS.
• Supporting more than 150 Site to Site IPsec based VPN Tunnels for all B2B and 3rd party communications including Federal govt and other Banks/financial institutes.
• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre-configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Configuring A records, PTR records, C records and DNS related requests on IPAM.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, BGP etc.
• Experience in performing IOS upgrades in Cisco 2900/ 3500/ 4500 series switches and 2500/ 2600/ 3600 routers.
• Design, implement and administer IPv4/IPv6 enterprise network infrastructure utilizing Juniper routers. Worked on Juniper MX 480, MX960 and Juniper Layer 3 EX4200 & EX3200 switches.
• Worked on Juniper MX 480, MX960 and Worked on Juniper MX 480, MX960, and with IOS upgrade of Juniper devices.

Environment: Cisco 4500/3850/3560/ 3750/3550/3500/2960 6500 switches and Cisco 2921 /12000 /7200/ 3845/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, WLC 5508, F5 BIGIP LTM, Cisco WAAS, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP

Confidential, Parsippany, NJ

Sr. Network Engineer

Responsibilities:

• Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
• Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
• Deploying and decommission of VLANs on core Nexus 7000 and its downstream devices.
• Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IP sec VPN tunnels.
• Involved in the deployment of content delivery networks (CDN).
• Switches Replace branch hardware with new 2851 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.
• Configuring HSRP between VLANs, Configuring Ether-Channels, and Port Channel on 6500 catalyst.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
• LAN cabling in compliance with CAT6 standards; Installing new hardware and swap out hardware physically.
• Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Configuration, migrations, upgrades of F5 BigIP LTM 3400, 6400, 8900 running v4.x to 10.2.x, Active/Standby
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, Spanning Tree, 802.1q. Configured IP access filter policies.
• Involved in configuring and implementing Checkpoint VSX firewalls.
• Supported wireless networking team working on Aruba wireless.
• Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.
• Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.
• Configuration and support of Juniper Netscreen firewalls.
• Knowledge of Juniper environment including SRX/Junos Space.
• Configured and set up of Juniper SRX firewalls for policy mgmt. and Juniper SSL VPN's
• Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2B network connectivity.
• Hands on using crimp tools, punch down tools to punch cables to the 110 data/voice blocks.

Environment: Cisco Catalyst 2960/3750/4500/6500 Series Switches, Cisco 2800/2900/3000 Series ISR’s and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco Nexus 7K, Cisco ASA 5500, Checkpoint, juniper SRX, windows server 2003/2008, F5 BIGIP LTM/GTM, ACL, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP.

Confidential, San Ramon, CA

Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network of 100 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Worked with Palo Alto Panorama management tool to manage all Palo Alto firewall and network from central location.
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies
• 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.
• 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.
• Configuration and troubleshooting of Cisco catalyst 6509 switch with supervisor 2T cards.
• Estimated Project costs and created documentation for project funding approvals.
• Performed and presented network analysis as a part of network migration. Involved in knowledge transfer to vendors and provided them network support as required
• Worked as a single point of contact for the whole migration
• Configuration and maintenance of EIGRP and BGP network on router 7200 and 6500 MLS.
• Configuration and maintenance of 3750 stack and 6500 VSS for improved efficiency of the data plane.
• Configuration and management of NEXUS network in the existing network infrastructure.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, Palo Alto, Cisco Nexus7K/5K, 2248/3560/5020/6509, ASA, Checkpoint, LAN, OSPF, BGP, RIP, EIGRP