SUMMARY

• 7+ years of experience in design, implementation, trouble shooting, development and maintaining enterprise data network systems by dealing with Cisco routers and Cisco Catalyst Switches
• Experience in supporting small and medium enterprise ISP devices.
• Extensive noledge and experience of routing protocols RIP, OSPF, EIGRP and BGP.
• Thorough understanding of LAN Switching (L2 /L3) including VLANs, Private VLANs, Trunking, Ether Channel, VTP and Spanning Tree.
• 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 and ASR 9k.
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
• Strong working experience in adding Rules and Monitoring Checkpoint Firewall traffic through Smart Dashboard and Smart View Tracker applications.
• Implementation of network traffic filters on Cisco routes using Standard, Extended Access list.
• Expert Level Knowledge about TCP/IP, NAT/PAT, TACACS+, RADIUS, IPSEC, and OSI models.
• Experience in configuring HSRP and redistribution between routing protocols and troubleshooting them.
• Experience on Identity Awareness.
• Strong experience in Server Load Balancing technologies which includes Cisco and F5.
• Strong understanding and experience in wireless LAN.
• Solid experience in Network security using ASA/PIX Firewall, Cisco IDS/IPS, AAA, and IPSEC/SSL VPN.
• Hands on experience on Autantication protocols (CHAP, PAP)
• Moderate noledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
• Strong noledge of data networking; VoIP & QoS; H.323 & SIP; and protocol analysis.
• Expertise in installing, configuring and troubleshooting Juniper Routers ( E,J,M and T - series)
• Strong noledge and experience working with scripting languages like Shell and Perl.
• Hands on experience on Up-gradation of Cisco IOS & Firmware of different Cisco devices & modules.
• Good experience with automation tools such as Puppet and Chef,
• Strong noledge and understanding in UCCE/ICM.
• Good working Experience and noledge with Cisco IOS, NX OS, Cisco IOS XR and JUNOS.
• Ability to handle multi-vendor network equipment.

TECHNICAL SKILLS

Cisco routers: Cisco 7200,2800,2600,3800,3600(ISO -Version 12.0, 12.2)

Cisco Switches: Cisco Catalyst 6509,6513,3500,5500,5000,2900(IOS- Version 12.4)

Cisco nexus data center switches: 7000, 5000 (NX- OS version 5.1,5.2)

Load Balancer: Cisco CSS, F5 Networks (Big-IP)

WAN Optimization: Cisco WAAS, PPP Multilink

Routing: OSPF, EIGRP, BGP,VRF, 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

Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240

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

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Cryptographic Algorithms: DES, 3DES, RSA, SHA, MD5, Diffe-Hellman Key exchange.

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

Other Networking technologies: TCP/IP,MPLS,VoIP,H.323,VPN, IKE, IPsec

Application Software: Packet tracer, GNS3,wire shark.

Scripting: Unix/Linux/Shell Scripting, Perl.

Operating Systems: Windows XP/Win 7, Ubuntu, Mac OS.

Change Management tools: Remedy

Network Management tools: Solarwinds (Network Configuration Manager, Network

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Created very effective workgroup and backbone within teh enterprise by configuring Cisco catalyst switch 6500, 2900 series switch with Cisco 7200 for teh backbone routes with HSRP
• To maintain high level security for teh data among different departments of teh enterprise we configured EIGRP and OSPF with route filtering and route redistribution, where in we implemented totally stubby OSPF for teh department which needed higher security level .
• Along with OSPF and EIGRP we implemented BGP to route between different Autonomous systems and teh internet.
• Configured and Implemented firewall along with which we implemented teh F5 load balancer for easy scalability and enhance teh performance of teh firewall.
• Configured DHCP Server to automatically assign reusable IP addresses to DHCP clients.
• Experience working on ASR 9k series switches.
• Configured OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• In order to attain high availability and load balancing between distribution layer switches teh existing network was upgraded to GLBP
• Responsible for Checkpoint firewall management and operations across our global networks.
• Created Firewall Rule Base for teh site and also Implemented upgraded firewall platform built on Checkpoint Firewall Technologies.
• Working on Support of network security and network devices such wireless access points and supported network security and firewall issues on Checkpoint NGX R65 and Cisco ASA devices
• Configured and Implemented Site-to-Site VPN using 3DES, AES/AES-256 with ASA Firewall 5505.
• Configured NAT on ASA Firewalls (5505).
• their were lots of constraints on teh clients to access teh network depending on teh requirement respective clients were configured with AAA using SNMP and RADIUS.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Expertise in installing, configuring and troubleshooting Juniper Routers ( E,J,M and T-series)
• Implemented Palo Alto firewalls ( URL Filtering, IPS, DPI, VPN)
• Configured and implemented site-to-site VPN, Remote VPN for our enterprise's branch offices located in various other places on teh globe securely we VPN tunnels using IPSec encryption standards.
• Designed and implemented GET VPN architecture for multicast and unicast communication on an existing IP VPN.
• Managed and troubleshoot Cisco voice gateways and devices.
• Configured of call signaling protocols on Voice Gateways H.323, SIP and MGCP .
• Configured and Installed of Voice Interfaces like E1 & T1 Lines
• Writing Shell Scripts for Network Integration and configuration. PerformanceMonitor), Nagios.

PROFESSIONAL EXPERIENCE

Confidential

Network Engineer

Responsibilities:

• Created very effective workgroup and backbone within teh enterprise by configuring Cisco catalyst switch 6500, 2900 series switch with Cisco 7200 for teh backbone routes with HSRP
• To maintain high level security for teh data among different departments of teh enterprise we configured EIGRP and OSPF with route filtering and route redistribution, where in we implemented totally stubby OSPF for teh department which needed higher security level .
• Along with OSPF and EIGRP we implemented BGP to route between different Autonomous systems and teh internet.
• Configured and Implemented firewall along with which we implemented teh F5 load balancer for easy scalability and enhance teh performance of teh firewall.
• Configured DHCP Server to automatically assign reusable IP addresses to DHCP clients.
• Experience working on ASR 9k series switches.
• Configured OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• In order to attain high availability and load balancing between distribution layer switches teh existing network was upgraded to GLBP
• Responsible for Checkpoint firewall management and operations across our global networks.
• Created Firewall Rule Base for teh site and also Implemented upgraded firewall platform built on Checkpoint Firewall Technologies.
• Working on Support of network security and network devices such wireless access points and supported network security and firewall issues on Checkpoint NGX R65 and Cisco ASA devices
• Configured and Implemented Site-to-Site VPN using 3DES, AES/AES-256 with ASA Firewall 5505.
• Configured NAT on ASA Firewalls (5505).
• their were lots of constraints on teh clients to access teh network depending on teh requirement respective clients were configured with AAA using SNMP and RADIUS.
• In charge of closing service request tickets generated by teh helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
• Provided daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Expertise in installing, configuring and troubleshooting Juniper Routers ( E,J,M and T-series)
• Implemented Palo Alto firewalls ( URL Filtering, IPS, DPI, VPN)
• Configured and implemented site-to-site VPN, Remote VPN for our enterprise's branch offices located in various other places on teh globe securely we VPN tunnels using IPSec encryption standards.
• Designed and implemented GET VPN architecture for multicast and unicast communication on an existing IP VPN.
• Create test plans for verification of new features before releasing to live network.
• Managed and troubleshoot Cisco voice gateways and devices.
• Configured of call signaling protocols on Voice Gateways H.323, SIP and MGCP .
• Configured and Installed of Voice Interfaces like E1 & T1 Lines
• Worked on Remedy Change Management tool to maintain teh entire infrastructure.
• Provide 24/7 support and troubleshooting of a variety of network related issues for connectivity and devices operability and also troubleshooting networks OSPF, BGP, Multicast and MPLS.
• Handling call, resolving and responding to tickets in teh Network operation center, and also document teh daily operation activities.
• Writing Shell Scripts for Network Integration and configuration.
• Other responsibilities included Network design planning on Microsoft Visio and updating changes, and documentation.

Confidential, NewYork

Network Engineer

Responsibilities:

• Designed and implemented small L2L VPN tunnels and encrypted teh transactions by implementing IPsec on ASA 5500 series firewall.
• Installed and configured ASA firewalls, VPN and redesigned client security architecture.
• Configured and Implemented routing protocols OSPF and EIGRP as per teh requirement along with it we Defined and implemented route-map to redistribute OSPF into teh EIGRP network.
• For managing Firewalls Load balancing for teh heavy HTTP traffic we installed teh Cisco CSS 11000.
• Configured AAA to restrict teh VPN access to limited users using TACACS+, as per requirement.
• Worked on enabling and disabling various inspection engines as per requirement and goal to attain maximum throughput.
• Worked with virtualization team who worked on a Datacenter Refresh project where we configured and implemented Nexus 5000 & 7000 series switches.
• Deployed and decommissioned VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• As a next step worked with hosting team to test teh fiber connections with proper attenuation for establishing teh links on Nexus 5000 & 7000 switches.
• For aggregation of multiple physical interfaces that creates a logical interfacewith teh help of LACP we implement teh port channels we able increase teh bandwidth and redundancy.
• Configured VLANs for each department to maintain separate and private path to maintain their confidentiality over trunk.
• Experience in installing and configuring Checkpoint NGX R60.Configured teh ports on teh trunk same virtual device context (VDC) for communication between teh ports on a trunk, since trunk ports cannot carry VLANs from different VDCs.To allows multipath networking at teh Layer 2 level we enabled teh FabricPath switching on teh VDCs.To provide Layer 2 multipathing we configure vPCs, with which we were able to achieve redundancy and increase bisectional bandwidth by enabling multiple parallel paths between nodes and allowing load balancing traffic.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configured BFD to detect forwarding path failures at a uniform rate, rather TEMPthan teh variable rates for different protocol hello mechanisms, which made our network profiling and planning easier and re-convergence time consistent and predictable.
• Responsible for delivering a highly reliable Data Center environment to support teh PTC technical infrastructure, as well as providing recommendations for effective and efficient use.
• Coordinate maintenance efforts with various vendors for equipment and data center facilities.
• Conduct throughput testing and No Drop rate testing for various topologies.
• In order to attain QoS we implemented teh Policing with which monitoring of teh data rates for a particular class of traffic was done and when teh data rate exceeds user-configured values, marking or dropping of packets occurs immediately.
• Other responsibilities included Organizing team meetings and documentation and update day to day changes.
• Used various Network management software like Network Configuration Manager and Network PerformanceMonitor offered by Solarwinds to Manage and monitor teh network.

Confidential

Network Specialist

Responsibilities:

• Analyzed corporate LAN and WAN to determine teh major problems and improvements needed to be made to teh network infrastructure, as per teh client requirements for network design, configuration, implementation and troubleshoot teh network.
• Involved in troubleshooting LAN connectivity, hardware issues in teh network, IP addressing issues, created a backup and recovery policy for software application, verified teh working of peripherals and Updating IOS images using TFTP.
• Performed Infrastructure trouble shooting and TCP/IP Protocols.
• Set up and troubleshoot 802.11 wireless networks.
• Working on configuring routing protocols (OSPF, BGP4, RIP, IGRP and EIGRP) and enterprise class switches-router management (Cisco 6509, 2800, 2900, 3750, 3800, 3900).
• Configured and troubleshoot Juniper EX series switches and routers.
• Worked on supporting a wide variety of networking components including Cisco Routers, Switches, Wireless Access Points, MPLS, Frame-Relay, ATM, ISDN, BGP, EIGRP, OSPF and RIPv2, and also supported network security and firewall issues on Checkpoint NGX R65 and Cisco ASA devices
• Assisted Network Engineers on Network configurations and installing Wireless Access Points.
• configured Juniper SSG-140 and Cisco pix firewall
• Monitored network and servers to identify potential problems and bottleneck and troubleshoot to provide high performance.
• Deployed PIM Sparse-mode/Dense-mode multicasting.
• Interacted with support services to reduce teh downtime on leased lines.
• Managed teh IP address space using subnets and variable length subnet masks (VLSM) and Monitored teh operability and reliability of teh network.
• 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 issues.
• Configured Checkpoint firewall and applied rules to pass servers through firewall.
• Coordinated with network development team and teh product testing team and implemented product test cases on networks and identified teh root cause.
• Provide oversight of all network activities, such as teh coordination of change management and routine maintenance action.
• Organized Team meetings and provided comments on existing network and teh recommendations to improve teh current network
• Used Linux scripting for Configuration and testing purposes.
• Identifying technical problems and troubleshooting teh LAN and WAN issues.
• Other responsibilities included researching and documenting teh new monitoring solutions in teh market which would suit teh company needs.

Confidential

Network Engineer

Responsibilities:

• Installed and supported LANs, WANs, network segments, and Internet, and also maintained network hardware such as Cisco routers 2600 series, 2800 series, 3600 series, 3800 series and Cisco switches
• Configuration and troubleshooting issues related to access lists and DNS/DHCP issues within teh LAN network.
• Involved in Configuration of Access lists (ACL) on teh firewall for teh proper network routing for teh B2B network connectivity
• Worked with senior network engineers for multiple site Upgrades for data and VOIP equipments and also in re-configuring teh new device and making sure projects are done under defined project timelines.
• Monitored networks to ensure security and availability to specific users and modified system's performance based on teh network and system requirements and to maintain integrity of teh network, server deployment, and security.
• Maintained and provided Level 2 and Level 3 technical supports for all network related issues and providing teh requirements of teh customer by interacting with teh customer on daily basis via email and phone.
• Monitored teh operability and reliability of teh network and Troubleshooting of connectivity problems using Ping, Trace route.
• Created a detailed design drawing of teh sites, which are under up-gradation and getting it validate from teh technical design team and maintained teh remote site network, consisting of QoS design, IP addressing, Visio Drawings.
• Responsibilities included Creating Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented teh findings to upper management.
• Other responsibilities included monitoring and managing servers, desktop computers, printers, routers, switches, phones, and security updates.

Confidential, New Jersey

Network Engineer

Responsibilities:

• Configuration and troubleshooting issues related to access lists and DNS/DHCP issues within teh LAN network.
• Involved in Configuration of Access lists (ACL) on teh firewall for teh proper network routing for teh B2B network connectivity
• Worked with senior network engineers for multiple site Upgrades for data and VOIP equipments and also in re-configuring teh new device and making sure projects are done under defined project timelines.
• Monitored networks to ensure security and availability to specific users and modified system's performance based on teh network and system requirements and to maintain integrity of teh network, server deployment, and security.
• Maintained and provided Level 2 and Level 3 technical supports for all network related issues and providing teh requirements of teh customer by interacting with teh customer on daily basis via email and phone.
• Monitored teh operability and reliability of teh network and Troubleshooting of connectivity problems using Ping, Trace route.
• Created a detailed design drawing of teh sites, which are under up-gradation and getting it validate from teh technical design team and maintained teh remote site network, consisting of QoS design, IP addressing, Visio Drawings.
• Responsibilities included Creating Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented teh findings to upper management.
• Other responsibilities included monitoring and managing servers, desktop computers, printers, routers, switches, phones, and security updates.