SUMMARY

• 6 + years of experience in network design, implementation.troubleshooting, managing & migration of large - scale enterprise network.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, GRE Tunnels STP, RSTP and MST.
• Knowledge in Cisco CLI and Cisco IOS, NX-OS.
• Expert Level Knowledge about TCP/IP and OSI models.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• In-depth knowledge and hands-on experience on IP Addressing, Subnetting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• Experience in configuring HSRP, redistribution between routing protocols and troubleshooting the same.
• Experience in turning up new BGP peering and customer sessions, as well as debugging BGP routing problems.
• Experience with configuring checkpoint firewalls and installing in enterprise network. Also F5 Load balancer LTMs and GTMs to divide traffic from the web servers.
• Experience in configuring security policies including NAT/PAT, VPN and Access Control Lists (ACL).
• Extensive working and configuring experience of firewalls like Cisco PIX (515/535/525), Cisco ASA ApplianceASA 5510, 5520, and 5540.
• Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.
• Successful deployment of PPP, HDLC, Frame Relay, and ISDN on Cisco Routers over T1 and T3 circuits, F5 Load Balancer LTM’s & GTM’s and Cisco ACE load balancers.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP.
• Design networks according to Brand standards and approved equipment. Create and manage all network documents depicting network topology.
• Experienced in requirement analysis, and preparing High Level and Low Level design (HLD and LLD).
• Build and configuring the device based on the inputs from the design documents (HLD, DLD)
• Extensive experience in preparing network diagram for sites via Microsoft Visio 2010 both HLD and LLD design.
• Technical understanding of wireless standards.

TECHNICAL SKILLS

Network Hardware: Cisco 1700, 2500, 2600, 3600, 3700 Series Routers, Cisco 1900, 2900, 3550, 3650 and 6500 Catalyst Series Switch, CISCO Nexus 7600, TACACS+, ACS, Cisco 5500 Series LAN Controller

Network Configuration: Advanced switch/router configuration (Cisco IOS access lists, Route redistribution/propagation).

Firewalls: Cisco PIX, Cisco ASA, Checkpoint

Load Balancer: Big IP F5 Load Balancer, Cisco ACE

Routing Protocols: EIGRP, OSPF, RIP, BGP

WAN Protocols: HDLC, PPP

Packet Switched WAN: ATM, FRAME RELAY

Security Technologies: VPN, ACL

Physical Interfaces: Fast Ethernet, Gigabit Ethernet, Serial

Layer 2 Technologies: VLAN, VTP, ISL, 802.1q, DTP, STP, RSTP, PVST, RPVST

Wireless: Cisco Wireless LAN Controller (WLC), Light Weight Access Point (LAP), Cisco Aironet 1700, 2700 and 3700, Cisco Aironet 600, 1600, 2600 and 3500, Cisco Wireless Controllers 3k, 5k, and 2k

Network Traffic Tools: Wireshark, Solarwinds

Operating Systems: Windows 7/8/Xp/ Mac Os / linux

Programming Languages: C, C++, MATLAB

Documentation: Microsoft Office, Visio

PROFESSIONAL EXPERIENCE

Confidential, Warren, NJ

Network Consultant

Responsibilities:

• Involved in buildup of network topology according to client requirement and verification of network topology.
• Involved in Configuration and implementation of Composite Network models consisting of Cisco 3900, 2900 series routers, Cisco 3750, 4500 and 6500 Series switches.
• Played an active role in Network Security team and helped in designing, configuration and implementation of different devices.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF). Implemented various OSPF scenarios on networks.
• Configured AAA authentication and Radius configurations in various Cisco devices.
• Code upgrades on existing client network devices to latest versions.
• Sought out new peering relationships, at both public exchange points as well as via private interconnects.
• Turned up new customer point-to-point, frame-relay, SMDS, and ATM circuits as required. Opened trouble tickets, and interfaced with telecommunications providers to resolve issues on both new and existing circuits.
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Created standard access lists to allow SNMP, NTP and logging servers.
• Installed PVDM, Network module, VWIC card, secondary power supplies and additional memory to 3900 series routers according to company standards.
• Co-ordinate with the Data Network and Security team and come up with possible solutions.
• Also involved in Cisco ACE configuration and deployment.
• Installation, advanced configuration and troubleshooting of Cisco and F5’s load balancing devices.
• Have good experience working with the Trouble Tickets on F5 Load Balancers.
• Created and document all high-level and low-level detailed network designs.
• Work on Physical site Inventory verification, gather information of various Cisco Network devices and Security Devices to develop Run book and Spec Book.
• Identify additional Network operations requirement and improvement opportunity.
• Also worked with different WLAN devices e.g. WAP and Wireless LAN Controller.

Environment: Cisco Nexus 7k, 5k &2k; Cisco routers 1900, 2900, 3900, 7200 and 7500; Cisco6500 catalyst switches; IEEE 802.11a/b/g/n; F5 load balancer, Cisco ACE load balancer, Cisco ASA Firewall 55xx.

Confidential

Network Engineer

Responsibilities:

• Designing, implementing and maintenance of network in various sites of company for network devices like Cisco Catalyst Switches and Routers.
• Handling LAN/WAN customer networks along with IOS upgrades, backup testing, and Disaster Recovery.
• Implementation of TCP/IP and related services DHCP/DNS.
• Troubleshoot Corenetworkissues related to MPLS, PBB, MMRP and QOS. Reporting and escalatinghigher level troubles to appropriate teams.
• Troubleshooting BGP related routing issues to provide robust connectivity to various IP transit customers through the single unified backbone.
• Being on call for network issues and troubleshoot Layer 2 and Layer 3 connectivity.
• Involved in data center upgrade by configuring and implementing routing protocols like OSPF-EIGRP redistribution, BGP, defining Virtual Device Contexts (VDC), and Virtual Port Channeling (VPC).
• Experience with different LAN technologies like VLAN, VTP, Inter-VLAN routing, dot1q, STP, RSTP.
• Involved in maintaining WAN routing protocols like BGP, OSPF, and EIGRP.
• Configured Server Load balancerto distribute load in round robin policy based on weight.
• Involved in deployment of F5 Load Balancers to replace ACE Load Balancers.
• Maintained F5 Load balancer and documentations.
• Configured GLBP by defining masters, agents, remote-nodes and used load balancing policy to distribute load between different servers using any-cast IP address.
• Participated in site surveying and upgrading network connectivity in different sites of company by replacing existing components with latest company standards.

Confidential

Network Analyst

Responsibilities:

• Configured network using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by Tuning AS-path.
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local Preference.
• Involved in Configuring and implementing of Composite Network devices such as Cisco7600, 7200, 3800 series routers and Cisco 2950, 4500, 3500, 5000, 6500 Series switches.
• Participated in team working on configuring Multiprotocol Label Switching (MPLS) with Routing Information Protocol (RIP) on the customer’s Site.
• Racking and Stacking of Cisco 3750 Switches with respective requirements and desired connectivity.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Responsible for day-to-day management of Cisco Devices, Traffic management and monitoring.
• Also involved in designing and implementing IP MPLS network.
• Involved in provide higher technical support to NOC and other operation teams regards to IP/MPLS infrastructure.
• Responsible to run different kind of Network test. This includes MPLS, BGP, SNMP, and Firewall. Also worked in testing with traffic generator.

Confidential

Network Administrator

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.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• 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 to identify potential problems and bottleneck.
• Performed RIP & EIGRP 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 the Network.
• Responsible for DNS, and TCP/IP support.
• Monitor the operability and reliability of the network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Proactively perform corrective maintenance for IP/MPLS network.