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 knowledge and experience of routing protocols RIP, OSPF, EIGRP and BGP.
• Thorough understanding of LAN Switching (L2 /L3) including VLANs, Private VLANs, Trunking, Ether Channel, Proxy Servers, 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.
• Hands on experience in configuring Blue Berries.
• Experience on Identity Awareness.
• Strong experience in Server HPNA, Live Action, Load Balancing technologies which includes Cisco and F5.
• Familiarity with Network Troubleshooting and Network Hardware Configuration
• Strong understanding and experience in wireless LAN.
• Solid experience in Network security using ASA/PIX Firewall, Cisco IDS/IPS, AAA, and IKE/IPSEC TSL/SSL VPN.
• Good Knowledge on including physical security, racking equipment, cabling systems, etc.
• Hands on experience on Riverbed, Aruba Wireless and Authentication protocols (CHAP, PAP)
• Strong knowledge & experience with IPS (Intrusion Prevention Systems) & IDS(Intrusion Detection Systems)
• Thorough Knowledge on Network Design Implementation, Splunk.
• Moderate knowledge 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 knowledge 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 knowledge and experience working with scripting languages like Shell and Perl.
• Excellent Knowledge of implementing Network Design.
• 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 knowledge and understanding in UCCE/ICM.
• Good working Experience and knowledge 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,Frame Relay 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 Management

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Familiarity with cloud systems: Google, Amazon AWS, Azure)

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,wireshark.

Scripting: Unix/Linux/Shell Scripting, Perl.

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

Change Management tools: Remedy

Cloud & SaaS Platforms: Amazon EC2

Network Management tools: Solarwinds (Netflow Analyzer, NetworkPerformanceMonitor), Nagios, Network Configuration Manager (NCM)

WORK EXPERIENCE:

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Created very effective workgroup and backbone within the enterprise by configuring Cisco catalyst switch 6500, 2900 series switch with Cisco 7200 for the backbone routes with HSRP
• To maintain high level security for the data among different departments of the enterprise we configured EIGRP and OSPF with route filtering and route redistribution, where in we implemented totally stubby OSPF for the department which needed higher security level .
• Along with OSPF and EIGRP we implemented BGP to route between different Autonomous systems and the internet.
• Configured and Implemented firewall along with which we implemented the F5 load balancer for easy scalability and enhance the performance of the firewall.
• Configured DHCP Server to automatically assign reusable IP addresses to DHCP clients.
• Experience working on ASR 9k series switches.
• Experience working on Bluecoat Administration - Blocking/Unblocking URL's.
• 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 the existing network was upgraded to GLBP
• Responsible for Checkpoint firewall management and operations across our global networks.
• Created Firewall Rule Base for the 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).
• There were lots of constraints on the clients to access the network depending on the 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 the 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.

Confidential

Network Engineer

Responsibilities:

• Created very effective workgroup and backbone within the enterprise by configuring Cisco catalyst switch 6500, 2900 series switch with Cisco 7200 for the backbone routes with HSRP
• 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
• To maintain high level security for the data among different departments of the enterprise we configured EIGRP and OSPF with route filtering and route redistribution, where in we implemented totally stubby OSPF for the department which needed higher security level.
• Along with OSPF and EIGRP we implemented BGP to route between different Autonomous systems and the internet.
• Configured and Implemented firewall along with which we implemented the F5 load balancer for easy scalability and enhance the performance of the 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 the existing network was upgraded to GLBP
• Responsible for Checkpoint firewall management and operations across our global networks.
• Created Firewall Rule Base for the 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).
• There were lots of constraints on the clients to access the network depending on the requirement respective clients were configured with AAA using SNMP and RADIUS.
• In charge of closing service request tickets generated by the 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.
• Providing maintenance in network security infrastructure on a daily basis
• 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 the globe securely we VPN tunnels using IPsec encryption standards.

Confidential, New York

Network Engineer

Responsibilities:

• Designed and implemented small L2L VPN tunnels and encrypted the 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 the requirement along with it we Defined and implemented route-map to redistribute OSPF into the EIGRP network.
• For managing Firewalls Load balancing for the heavy HTTP traffic we installed the Cisco CSS 11000.
• Configured AAA to restrict the 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 the fiber connections with proper attenuation for establishing the links on Nexus 5000 & 7000 switches.
• For aggregation of multiple physical interfaces that creates a logical interfacewith the help of LACP we implement the port channels we able increase the 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 the ports on the trunk same virtual device context (VDC) for communication between the ports on a trunk, since trunk ports cannot carry VLANs from different VDCs. To allows multipath networking at the Layer 2 level we enabled the Fabric-Path switching on the VDCs.To provide Layer 2 multi-pathing 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 than the 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 the 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 the Policing with which monitoring of the data rates for a particular class of traffic was done and when the 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 the network.

Confidential, New Jersey

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 the LAN network.
• Involved in Configuration of Access lists (ACL) on the firewall for the proper network routing for the B2B network connectivity
• Worked with senior network engineers for multiple site Upgrades for data and VOIP equipment and also in re-configuring the 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 the network and system requirements and to maintain integrity of the network, server deployment, and security.
• Maintained and provided Level 2 and Level 3 technical supports for all network related issues and providing the requirements of the customer by interacting with the customer on daily basis via email and phone.
• Monitored the operability and reliability of the network and Troubleshooting of connectivity problems using Ping, Trace route.
• Created a detailed design drawing of the sites, which are under up-gradation and getting it validate from the technical design team and maintained the 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 the findings to upper management.
• Other responsibilities included monitoring and managing servers, desktop computers, printers, routers, switches, phones, and security updates.

Confidential, NewYork

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 the LAN network.
• Involved in Configuration of Access lists (ACL) on the firewall for the proper network routing for the B2B network connectivity
• Worked with senior network engineers for multiple site Upgrades for data and VOIP equipments and also in re-configuring the 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 the network and system requirements and to maintain integrity of the network, server deployment, and security.
• Maintained and provided Level 2 and Level 3 technical supports for all network related issues and providing the requirements of the customer by interacting with the customer on daily basis via email and phone.
• Monitored the operability and reliability of the network and Troubleshooting of connectivity problems using Ping, Trace route.
• Created a detailed design drawing of the sites, which are under up-gradation and getting it validate from the technical design team and maintained the 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 the findings to upper management.
• Other responsibilities included monitoring and managing servers, desktop computers, printers, routers, switches, phones, and security updates.

Confidential

Network Specialist

Responsibilities:

• Analyzed corporate LAN and WAN to determine the major problems and improvements needed to be made to the network infrastructure, as per the client requirements for network design, configuration, implementation and troubleshoot the network.
• Involved in troubleshooting LAN connectivity, hardware issues in the network, IP addressing issues, created a backup and recovery policy for software application, verified the 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 the downtime on leased lines.
• Managed the IP address space using subnets and variable length subnet masks (VLSM) and Monitored the operability and reliability of the 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 the product testing team and implemented product test cases on networks and identified the root cause.
• Provide oversight of all network activities, such as the coordination of change management and routine maintenance action.
• Organized Team meetings and provided comments on existing network and the recommendations to improve the current network
• Used Linux scripting for Configuration and testing purposes.
• Identifying technical problems and troubleshooting the LAN and WAN issues.
• Other responsibilities included researching and documenting the new monitoring solutions in the market which would suit the company needs.