SUMMARY

• Around 7 (Seven) years’ progressive experience in design, installation, configuration, Development, implementation, administration and troubleshooting and maintaining the Enterprise Network Systems.
• Expertise in LAN/WAN infrastructure, technical Support, Routers and Switches, Extreme, Nortel following the corporate policies and procedures
• Experienced in IT Strategies development and project management
• Experience on hardware, software, and networking technologies which including routing, switching and firewalls of Cisco, Cisco, Nortel and Intense experience in configuring and troubleshooting Layer 3 IP Routing Protocol EIGRP, RIP, OSPF and BGP.
• Working experience on WAN technologies like MPLS, Frame Relay, PPP, HDLC, T1, DS3, ADCCP.
• Working experience on Cisco Virtual Office solution.
• In - depth knowledge and experience on IP Addressing, Subnetting, VLSM, and ARP, Ping concept.
• Working knowledge on OSI model, TCP/IP, 802.1q.
• Experience in implementation, support, and troubleshooting of VLAN including operational knowledge of STP, VLAN Trunk, and inter VLAN routing.
• Sound knowledge in security including Access Control Lists, DMVPN, IPSEC, IP Tunneling.
• Hands on experience on Code Upgrade for Cisco Routers including 7200, 3900, 2900, 881, 891 and Switches including 6500, 4500, Nexus 7k, Nexus 5k, Nexus 4k.
• Experience in monitoring, debugging, and resolving Cisco infrastructure issues like routing, Network Hardware/Software failure, configuration, WAN outages, and performance issues.
• Efficient in preparing Technical Documentation using Microsoft VISIO/Office and also in preparing presentation.
• Hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• Responsible for CheckPoint and Cisco ASA firewall administration across global networks.
• Experience in performing system administration for Red Hat Linux, Microsoft Windows 2008 Enterprise Server, Windows 2003 Standard/ Enterprise Server, Windows 2000 Standard/ Advanced Server, Windows98/XP/Vista/7
• Experience in working as part of a highly cross-functional and global team.
• Strong interpersonal, organizational communication, customer service and presentation skills.
• Successful history of leading network infrastructure deployment and enhancements. Detail-oriented with a track record of delivering infrastructure enhancements on time and with minimal impacts to production.

TECHNICAL SKILLS

• Routing
• Switching
• Firewalls
• EIGRP, RIP, OSPF
• IGRP, BGP, IS-IS
• NLSP,TCP/IP,
• IPX/SPX
• LAN, WLAN
• MPLS, Frame Relay
• PPP, TCP/IP
• UDP, IGMP
• HDLC, T1
• DS3, ADCCP
• HSRP,VRRP
• Access Control List
• Prefix List
• Route map Policy
• DMVPN
• IPSEC
• IP Tunneling
• Office 2010/2013
• Wireshark
• Matlab
• SecureCRT
• Sniffer
• Solarwinds
• IP Addressing
• Subnetting
• VLSM
• Windows 2008
• Red Hat Linux, Unix
• Cisco IOS

PROFESSIONAL EXPERIENCE

Confidential, New York City, NY

Network Security Engineer

Responsibilities:

• Designed and deployed Cisco Network equipment in the lab for the company campus.
• Configured and designed LAN networks with Access layer switches such as Cisco 3500, 2960, 3750 switches.
• Design and executive test plans for catchpoint IDS, Firewall, and IPS products.
• Execute manual and automated tests on new builds and make verification.
• Participate in product design reviews to provide input on functional requirements, product designs, schedules, or potential problems.
• Deployment of OSPF dynamic routing NOC engineering network routers. Provide Technical support to end-user either through remote management or onsite based on the requirement.
• Hands on experience on Windows server installation components like DNS, DHCP and ISA application for load balancing on the servers. Familiar with Remedy trouble ticketing system and the escalation of issues from level 1 through level 3 assignment in the NOC operation.
• Designed VLS IP Addresses (class, A, B, C); subnetting for Local and Wide Area Networks.
• Performed Switching Technology Administration including creating and managing VLAN’S, Port security, Port Aggregation & link negotiation, Trunking, RSTP, Inter VLAN routing, LAN security etc
• Worked Extensively HSRP environment to minimize a single point of failure.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Involved in Designing network plan of routing policies with route map, distribution list, and access-list.
• Installing and configuring ASA firewalls to block unauthorized users and to protect the network from any kind of attacks.
• Experience with implementing and maintaining network monitoring system (Cisco works, HP Open view, and Wireshark) and experience with developing network design documentation using VISIO.
• Experience on configuration and troubleshooting of routing multi-area OSPF. Network monitoring of LAN/WAN using tools like Ethereal and Wireshark.
• Worked on the Cisco devices like 6509, 6513, 2811, 4500 and worked on all line cards and port configuration for the VLAN. Used Avaya MSA (Multi Site Administrator) for the Avaya Phone and for the Pre and Post configuration check-ups for the IDF IOS conversion project.
• Worked on Inconsistent VLAN issues and removed the VLAN across the trunks and implemented Rapid Spanning tree from STP.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 6509/4500/3500/2960/2811 routers, OSPF, BGP, VPN, VLAN

Confidential, Newark, NJ

Network Engineer

Responsibilities:

• Configuration and Installation of Cisco Routers 3900 series, 7200 series, 7600 series.
• Performed switching technology administration including VLANs, Inter-VLAN routing, Trunking, port aggregation in the LAN environment.
• Implemented Redundancy using HSRP Protocol on Core and distribution switches.
• Configuring and troubleshooting of Layer 3 routing protocols with OSPF.
• Work on firewall policy for the network configured on Checkpoint Firewall.
• Worked with system, network, security, and storage engineering teams to prepare and configure new servers for the environment.
• Documented and standardized the work and procedures related to problem solving.
• Interacted directly with internal senior network engineers, service management, and operations teams in analyzing and designing the networks.
• Involved directly with CRT (Critical Response Team) to ensure that network outages and issues are dealt with in a timely and effective manner.
• Troubleshot ticket resolution and repairs of all routing/switching, LAN/WAN issues
• Overlooked network related issues such as Spanning Tree loops and Layer 2 connectivity issues.
• Troubleshoot network issues related to application access and performance.
• Configuring and troubleshooting inter VLAN routing with 802.1Q trunking and L3 switches, VTP, Spanning tree,
• Configuring, maintaining and troubleshooting Cisco layer 3/ layer 2 switches.
• Configuring OSPF and BGP in routers. Routing related tasks includes, providing Cisco router configuration and troubleshooting the configuration and installation issues.
• Designing rules (ACL, security policies) to ensure better security.
• Hands on experience in configuring QoS on Cisco Routers/Switches.
• Monitoring and maintaining LAN/WAN networks using sniffer trace.
• Responsible for troubleshooting day-to-day support issues and Performance related issues.
• Preparing the technical documentation using Microsoft VISIO/Microsoft Office

Environment: Cisco Series Routers - 7206, 3900, 2911, 3845, Cisco Switches - Nexus 7K, 5K & 4K, Cisco 4500, 6500, 3750, 2960, MPLS, DWDM, OC-192, VOIP, EIGRP, OSPF, BGP, STP, Port Security, dot1x, VPN, CiscoWorks

Confidential, Fort Meade, MD

Network Engineer

Responsibilities:

• Designs, installs and configures network and infrastructure and the monitoring tools, including the core network switches, routers, firewalls, intrusion detection/prevention systems (IPS), proxy servers.
• Setup new workstations and printers to access the network.
• Install and configure workstation software.
• Setup user workspaces, Identify problems, troubleshoot workstation hardware and software, Configure and troubleshoot networked printers, copiers and fax machines.
• Recommend designs to ensure consistency within networks.
• Day-to-day activities involved maintenance, upgrading, and troubleshooting of Ethernet, Fast Ethernet, and Gigabit Ethernet LANs.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Created extensive architecture and design documents such as (site network diagrams, logical LAN/WAN diagram, network device list (servers/routers/switches), server information sheets) that will be used in the handoff from engineering to operations.
• Network Assessment and Documentation (including technical, operational, and economic assessment)
• Redistribution of routing protocols and Frame-Relay configuration
• Build and maintain Visio documentations for Clients
• Managing User accounts using Active Directory
• Implementation of TCP/IP & related Services-DHCP/DNS/WINS

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 7200/3700/3600/2800/2600/2691 routers, OSPF, BGP, VPN, VLAN

Confidential

Network Engineer

Responsibilities:

• Configuring routing protocols OSPF, EIGRP, RIP, MPLS and BGPV4
• Installed different software on the systems. Install and managing network devices including Hubs, Switches.
• Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
• Responsible for designing, dimensioning, installation, integration, configuration and operations of the SDH core network for the Cable and Wireless Worldwide, subsidiary of Vodafone Group PLC
• Responsible for analysis, optimization and troubleshooting of core network, system hardware, link ‘Ready for Operations (RFO)’ testing and lawful interception testing of core elements
• Working knowledge of fibre optic backhaul network, long/short haul DWDM systems and enterprise Cisco Switches and Routers
• Member of the team that rolled out Deep Ethernet Access, Local Loop Unbundled (LLU) and MPLS Migration
• Responsible for monthly work reports and team documentation.
• Proficient in network related tools like Cramer6, FMAN (Fiber Manager), LOCM (Location Manager), NMS/EMS (GoGlobal MV36/38) and Clarify (Query Management)
• Data center migration was involved in Access, Distribution and Core layers.
• Configured RIPv2, PPP, BGP and OSPF routing.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope.
• Identify, design and implement flexible, responsive, and secure technology services.
• 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.
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Hands-on experience with WAN (PPP/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (OSPF) and IP addressing.
• Configuring Vlans, VTPs, enabling trunks between switches.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Cisco ASA5510

Confidential

Network Engineer

Responsibilities:

• Configured and Maintained the Local Network using 2900, 6500 series Switches and 2800 series Routers. Configured and installed the 3600 series Router.
• Implemented and Maintained Routing Protocols EIGRP and OSPF in the Network.
• Handled switching related tasks included implementing VLANS, VTP and configuring Fast-Ethernet channel between switches.
• Was responsible for designing and implementation of customer’s network infrastructure.
• Designed, Implemented and configured HSRP on different location of office on the switched Network and Managed the Entire multilayer switched network.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Estimated Project costs and created documentation for project funding approvals.
• Planned resources and presented project status to higher management.
• Excellent troubleshooting knowledge on T1, T3, and OC-3.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Ability to analyze, configure and troubleshoot networks.
• Configured Cisco 7204 routers which were also connected to Cisco ASA Firewall (5505) security appliances providing perimeter based firewall security.
• Designed perimeter security policy; Implemented Firewall ACL’s; Allowed access to specified services; Enabled IDS/IPS signatures in Firewall & fine-tuned TCP & UDP.
• Used load balancers and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.

Environment: Cisco Series Routers - 2900, 3800, 3900, 7200, Cisco Series Catalyst Switches - 2960, 2975, 3750-E, 4500, 6500, Cisco Pix Firewall, ASA Firewall, MPLS, Frame-Relay, VOIP, OSPF, BGP, VLANS, STP, PAGP, VRRP, Port Security, VPN, Load balancers, Access list, Wire shark