SUMMARY:

• Experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks and Network administration and seeking a challenging opportunity as network engineer or security engineer, which enables be me to improves my technical and managerial skills
• Expertise in installing, configuring, and troubleshooting of Cisco Routers (7600, 7500, 7200, 3800, 3600, 2800, 2600, 1800, 1700, 800)
• Working knowledge of installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 4900 series, 6500 series)
• Experience working with Cisco Nexus 9k, 7K, 5K, 3K & 2K Switches.
• Experience of working on Static routing, Default routing and dynamic routing protocols like EIGRP, OSPF, RIP, BGP and MPLS.
• Working Knowledge of Spanning Tree Protocol (STP), Per VLAN Spanning Tree (PVST), Rapid STP (RSTP) and Rapid per VLAN Spanning Tree (PVST+)
• Extensive knowledge of WAN technologies such as T1, T3, DS3, OC3,OC12, SONET, Fiber and Frame relay, ISDN, ATM, PPP, HDLC
• Worked on configuring Nexus 2K Fabric Extenders.
• Implemented VDC, VPC, VRF and OTV on the Nexus 5505 and 7009 switches.
• Extensive experience in upgrade, backup and password recovery of Cisco IOS.
• Knowledge and configuration of redundant router protocols like HSRP, VRRP and GLBP.
• Thorough experience in configuring Virtual Local Area Networks (VLAN) with IEEE 802.1Q, VLAN trunking protocol (VTP), shortest path bridging, Multiple VLAN Registration Protocol and VLAN Cross Connect (CC).
• Good knowledge of IPv4 and IPv6 Addressing, Fixed Length and Variable Length Subnet Masking (VLSM), OSI and TCP/IP models.
• Design and configuring of OSPF, BGP on Juniper Routers (MX960) and SRX Firewalls (SRX240).
• Experience in migration of IPv4 addresses to IPv6 addresses using mechanisms like Tunnel Broker, Transport Relay Translation (TRT), NAT64, DS - Lite and DNS64.
• Experience in installing and configuring NAT, DHCP server and DNS in large networks.
• Experience in configuration of LAN protocols such as Ethernet and Fiber Distributed Data Interface (FDDI) on Cisco Switches.
• Worked on Cisco Firewalls Cisco ASA 5500(5510/5540) Series and Checkpoint R75, 76 Firewalls and configured Palo alto firewall
• Wrote python routines to log into the websites and fetch data for selected options.
• Used python modules such as requests, urllib, urllib2 for web crawling.
• Used other packages such as Beautifulsoup for data parsing.
• Used networking and application protocol.
• Design and implement End of Life (EOL) Projects in North America Data Centers, upgrading EOL devices to Nexus 5K/6K/9K.
• Work with PMOs and ISPs to facilitate cutover MPLS carriers, upgrade circuit bandwidth from 1G to 10G on ASR1004s. 

TECHNICAL SKILLS:

Operating Systems: Windows (Server 2003/2008, Vista, Windows 7), Linux OS

Routers: Cisco GSR12016, ASR1001, 2900, 3900, 7200, 7600 & ASR9000

Switches: Cisco 3750, 4507, 4510 & 6500 series switches, Nexus 7010, 5548

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

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

Network security: Cisco (ASA, PIX) 5510, Palo Alto, juniper, ACL, IPSEC VPN, GRE VPN, NAT/PAT, Filtering, Load Balancing, IDS/IPS,

Load Balancer: F5 Networks (Big-IP) LTM Module, Cisco ACE 30 load balancer

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet.

WAN: Leased lines 128k - 155Mb (PPP / HDLC), Channelized links (T1/DS3/OC3/OC12), Fiber Optic Circuits, Frame Relay, ISDN, Load Balancing. Various Features & Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP Management

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Management: SNMP, Solar Winds, Confidential open view, and Wire shark

Reports and Network Diagrams: Microsoft (Visio pro.)

PROFESSIONAL EXPERIENCE:

Network Engineering

Confidential, Irving TX

Responsibilities:

• Design and implement End of Life (EOL) Projects in North America Data Centers, upgrading EOL devices to Nexus 5K/6K/9K.
• Work with PMOs and ISPs to facilitate cutover MPLS carriers, upgrade circuit bandwidth from 1G to 10G on ASR1004s.
• Implement configurations and deployment instructions into Service Now, Confidential ’s change management system, and insure that all approvals and processes adhere to greenzones and complaint with Audit.
• Generate test plans detailing network related configurations and coordinate with affecting users and managers to perform testing for planned network changes.
• Design, build, and implement B2B extranet POD’s for site-to-site IPSec VPN and dedicated MPLS connectivity. 
• Worked with individual businesses on analyzing requirements for secure B2B connections with various 3rd parties clients.
• Designed site-to-site IPSec VPN connection or dedicated end-to-end connections with either vendor router to be placed in Confidential data center or Confidential router to be extended to the vendor location. 
• Provided redundancy to network connections, implemented hot standby routing protocol (HSRP) and Load sharing for effective utilization of routers. 
• Coordinated with 3rd party engineers to schedule testing for planned network changes.
• Member of the Documentation Subject Matter Expertise (SME) team, approving up-to-date diagrams and contact list for future troubleshooting purposes before projects proceeded to the Closure Phase.

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• Installing, Maintaining and Troubleshooting of Cisco ASR 1K, 7200, 3925E and 2951E Routers and Cisco 6500, 4510, 4500-X, 4948, 3560X, 3750X and 2960S Switches for deployment on production network.
• Maintain, upgrade and commission of branch and campus sites connectivity into data centers and create a seamless network hardware standard across all North American branches.
• Installing and configuring new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the Organization.
• Automated network implementations and tasks and designed monitoring tools using python scripting
• 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.
• Installation and troubleshooting Cisco Catalyst switches SG300, SF300, 2960,3560, 4507,2950.
• Installation and deployment of new Server farms in multiple silos.
• Design, Install and consolidation of local server farms in multiple branch locations with Cisco 4500-X at distribution and 4948’s replacing the 3750’s at access level.
• Worked as a part of data center deployment where we converted from Cisco 6500 to Nexus.
• Experience in configuring VPC(Virtual Port Channel), VDC(Virtual Device Context) in Nexus 7010/7018
• Experience with configuring FCOE using Cisco nexus 5548.
• Used multiple network monitoring tools like Solar Winds, Cisco Prime for supporting the existing core network environment and Network edge devices.
• Configured Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000 to connect servers and storage devices.
• Implemented and troubleshoot the migration of over 100DHL facilities from the existing wireless network to new Cisco WLC 5508 using Cisco Prime Index 2.2 inside Confidential campus.
• Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity
• Implementation and Configuration ( Profiles, I Rules) of F5 Big-IP LTM-6400 load balancers
• Upgraded load balancers from Radware to F5 BigIP v9 which improved functionality and scalability in the enterprise.
• Designing and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Experience with configuring BGP, OSPF in Juniper M and MX series routers.
• Implementation of L3 MPLS-VPN and Migration of branches to the new MPLS cloud4.
• Configuration and troubleshooting of EIGRP, OSPF, BGP.
• Configuration and troubleshooting of CSM, integration with ASA devices.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Experience in migration of VLANS.
• Implementation of Access Lists for allowing/blocking desired traffic.
• Configuring VLANs/routing/NATing with the firewalls as per the network design.
• Configured EBGP load balancing and Ensured stability of BGP peering interfaces
• Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.
• Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/ switches/ firewalls.
• Building the VPN tunnel and VPN encryption.
• Mapped, Network Diagrams and physical identification in MS Visio.
• Updated documentation as necessary.
• Preformed IOS upgrades on Cisco routers and switches

Confidential, Chicago, IL

Sr. Network Engineer/ Security Admin

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.
• Installation, configuration and administration of Cisco router (2600, 3600, 7200) Cisco Switches (2900 catalyst 3560).
• 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.
• Designed and implemented DMZ for Web, Mail & FTP Servers using Cisco ASA5500 Firewalls.
• Hands on experience in LAN and wireless management using Cisco Prime.
• Worked extensively on Cisco ASA 5500(5510/5540) and experience with deploying rules to the Cisco ASA solution.
• Responsible for Cisco ASA firewall administration across our global networks
• Familiar with Network Hardware (routers, switches, voice/video gateways, VoIP, video streaming and collaboration technologies).
• Networking Protocols (IP, DHCP, HTTP, etc.).
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Implemented site to site VPN in Juniper SRX as per customer.
• Implemented various EX, SRX & J series Juniper devices.
• 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)
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
• 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.
• Design, Implement & Troubleshooting of Juniper switches, routers and Firewalls.
• 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.
• Implementation and Configuration ( Profiles, I Rules) of F5 Big-IP LTM-6400 load balancers
• 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.

Confidential, Secaucus, NJ

Network Engineer

Responsibilities:

• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP.
• Designed and implemented Cisco VoIP infrastructure for a large enterprise and multi-unit office environment. Met aggressive schedule to ensure a Multi-office reconfiguration project which was successfully delivered
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5585 Security appliance
• Involved in configuring Juniper SSG-140 and Cisco ASA firewall
• Experience working with Nexus 7010, 5548, 5596, 2148, 2248 devices.
• Experience configuring VPC(Virtual Port Channel), VDC(Virtual Device Context) in Nexus 7010/7018
• Experience with configuring FCOE using Cisco nexus 5548
• Configuration and extension of VLAN from one network segment to other network segment between different vendor switches (Cisco, Juniper).
• Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
• Updated the Confidential open view map to reflect and changes made to any existing node/object.
• Handled SRST and implemented and configured the Gateways, Voice Gateways..
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Implementation and Configuration ( Profiles, I Rules) of F5 Big-IP C2400 load balancers
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked on Routing protocols such as OSPF and EIGRP on Cisco/Juniper routers.
• Worked on the security levels with RADIUS, TACACS+.
• Completed service requests (i.e. -- IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
• Identify, design and implement flexible, responsive, and secure technology services
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
• Configured switches with port security and 802.1x for enhancing customers security.
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Validate existing infrastructure and recommend new network designs.
• Created scripts to monitor CPU/Memory on various low end routers in the network.
• Installed and maintained local printer as well as network printers.
• Handled installation of Windows NT Server and Windows NT Workstations.
• Handled Tech Support as it relates to LAN & WAN systems

Confidential 

Network Engineer

Responsibilities:

• Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Worked on F5 load Balancers and ASA firewalls
• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
• Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
• Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Installation and Configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.
• Configuring Vlan's, VTP's, enabling trunks between switches.
• Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider and support of such network services. Helped in designing and implementation of VLAN for the new users.
• Plans, coordinates, implements and supports the LAN / WAN hardware, software and Internet /Intranet integration network connectivity, diagnose network failures and resolve any problems.
• Troubleshoot Frame Relay; T1, T3, IP and OSPF related router and circuit issues.
• Documenting and Log analyzing the Cisco PIX series firewall.
• Excellent Troubleshooting Skills and Customer Centric approach.

Confidential 

Jr. Network Engineer

Responsibilities:

• Provide high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers.
• Implemented cable multi-service operator (MSO) to capture traditional Telco subscribers with IP telephony and provide relevant QOS.
• Configured EIGRP, BGP, and MPLS.
• Configure Firewall, QOS by SDM and provide security by Prefix list, Access- List and By Distribution List.
• Moved Core switches and several non-Cisco devices under strict deadlines to maintain network functionality
• Configured Access layer switches.
• Designed VLAN's and set up both L2 and L3 logical to have it communicate to the Enterprise network.
• Scheduled preventive maintenance for fire-protection systems, including new protocols. Utilize MS Windows, Word, and Excel for reporting/documenting process.
• Satisfactorily Resolved Problems in timely manner with focus on providing a high level of support for all customers.