SUMMARY

• Cisco Certified CCNA CSCO13039374 Consultant with 7+years of practical experience in the IT field as a Network Engineer, with proficient hands - on experience in the areas of Wi-Fi Portfolio, Routing, Switching and Troubleshooting.
• Strong knowledge in configuring and troubleshooting routing protocols like RIP, OSPF, SNMP, EIGRP and BGP.
• Experience in Cisco Routing and Switching using 4500, 3800, 5300, 6500, 7200, 7600, Nexus 5k, Nexus 6k, Nexus 7k & ASR 9000, 1000 series routers and switches
• Knowledge of implementing and troubleshooting layer 2 technologies such as VLAN Trunks, VTP, NAT, PAT, Ether channel, STP, RSTP.
• Knowledge in implementing filters on Cisco routes using Standard/Extended access-list.
• Experienced in both troubleshooting connectivity issues and hardware problems on Cisco based networks.
• Great understanding and working knowledge of Protocols like IEEE 802.1, IEEE 802.3& IEEE 802.11, and 802.1x, EAP, PEAP & EAP-TL.
• Comprehensive understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP).
• Experience with different Network Management Tools and Sniffers like Wireshark (ethereal), HP-Open view, RSA envision, and Cisco works to support 24 x 7 Network Operation Center.
• ConfigureVRRP & GLBP, Port Security on Catalyst 6500 switches.
• Expertise in troubleshooting and configuring DNS, DHCP, TFTP, TELNET, SSH, FTP and NFS.
• Responsible for Check Point & Cisco ASA firewall administration across global networks.
• Expertise on various Operating Systems and software's like Win8, Win7, Win 2008, Win Vista, Ubuntu, Kali Linux, and MS Office Suite.
• Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyses results and implement and delivering solutions as an individual and as part of a team.
• Knowledge of TACACS+, RADIUS implementation in Access Control Network.

TECHNICAL SKILLS

Cisco Routers: 7606, 7609, 7613, 7200, 3900, 3800, 2900, 1900, ASR-901, ASR-903, ASR-9010

Cisco Switches: Catalyst 6500, 4500, 3750 series, ME 3600, SFS 3500, 2960, Nexus 5k,6k,7k series

Switching Concepts: VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channel, Port Security

Network Topologies: Frame Relay, NAT, PAT, Access List, ISDN, CSU/DSU, Gigabit Ethernet, OSI and TCP/IP layered architecture

Routing Protocols: RIP, OSPF, SNMP, EIGRP and BGP

LAN: 10/100/1000 & 10 GBPS Ethernet

WLAN: IEEE 802.1, IEEE 802.3& IEEE 802.11, and 802.1 xs

Operating System: Windows Servers 2003/2008/2012, WIN 7, Windows Vista, Ubuntu, Kali Linux

Network Monitoring Tools and Software: WireShark, Packet Tracer, Net scout, Log Logic, Node Manager, Solar winds, Ms Visio and MS office suite

PROFESSIONAL EXPERIENCE

Confidential, Columbus, OH

Sr. Network Engineer

Responsibilities:

• To Implement Local Area Network Solutions and its remote support. Managed the Network Equipment’s such as Cisco 3500 series routers and Cisco 6500 series Switches.
• Installation, configuration and maintenance of Cisco Routers like 7600, 7200.
• Creation of Persistence profile and associating it to the pool, creation of client and server SSL Profile which includes SSL certificates and installation on F5 Load Balancer.
• Hands-on experience in the network management of circuits using Frame Relay network, performing configuration and provisioning management, fault and performance management.
• Configured/ designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation which was desired for Virtual LANs.
• Worked on ASA (5540/5550) Firewalls and also Implemented Security Policies using ACL, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+, RADIUS).
• Configured site to site and remote user access VPN Connections.
• Expertise in configuring NAT Based policies and Application based policies.
• Implemented User Identification and configured User based policies.
• Provided support for Network Troubleshooting & its Security.
• Closely work with Network Implementation/Migration Management team to deploy the network devices in production environment

Confidential, Pittsburgh, PA

Sr. Network Engineer

Responsibilities:

• Configured Routing protocols such as RIP, OSPF, EIGRP and BGP as per the requirement.
• Configured 7600 series routers with routing protocols such as OSPF, BGP, EIGRP and configured catalyst 6505, 4500, 3550 series switches as core.
• Troubleshooting firewall and ACL related connectivity issues.
• Installation, configuration and maintenance of Cisco Routers like 2600, 3800 and 3900s.
• Working Experience on Network Scanning, Management, Alerting &Logging tools like Solar Winds, Net Scout, Science Logic, Log Logic, Wire shark.
• Comprehensive understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP).
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Helped the client environment in troubleshooting issues related to connectivity, STP, Vlan’s, Trunking, VTP, Layer 2/3 switching, Ether channels, Inter-vlan routing, log messages, high CPU utilization and parameters that could degrade the performance of a network.
• Installed wireless access points (WAP) at various locations in the company.
• Configuring and troubleshooting subnet related issues.
• Providing corrective resolutions to day-to-day network issues.
• Performing health Checks on the desired networks.
• Participate in all technical aspects of LAN, WAN, VPN and security Internet Service projects including, short and long term planning, implementation, project management and operations support as required.
• Experienced on the switching environment on how to troubleshoot the LAN/WAN and WAP.

Confidential, Bowling Green, KY

Sr. Network Engineer

Responsibilities:

• Administering Firewalls i.e. Cisco/Checkpoint, Evaluate firewall access control requests to ensure they conform to Company's security standards and policies, application security reviews using vulnerability assessment tool i.e. ISS Internet Security Systems (IBM's) for application level vulnerability assessment & Solar Winds for performance monitoring
• Implementation and testing of ISDN BRI/PRI circuits.
• Maintained a 3 layer Cisco architecture network with HP Procure switches in the access layer and 6500 series as core and distribution layers.
• Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Multilayer Switching.
• Engage with on-site / local vendors on a need basis and Preparation of bill of materials for solutions developed.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Implementing, configuring and troubleshooting routing protocols environment such as OSPF (v3, v2), RIPv2, BGPv4, EIGRP, HSRP, GLBP and MPLS. Responsible for logging/Resolving the severity calls logged in by Incident management.
• Understanding the current IT infrastructure and Operations Teams concerns & expectations.
• Testing of applications in Network environment and going forward.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting Migration of RIP V2 to OSPF, BGP routing protocols.
• Deploying the network infrastructure to meet the requirements
• Created VLAN and Inter-vlan routing with Multilayer Switching, maintenance, upgrades, patches, fixes, and all around technical support.
• Security implementation was the scope for this project. Other half of the project included the environment to work on the various routing protocols and its migration of one protocol to other.

Confidential, Dover, NH

Network Engineer

Responsibilities:

• Responsible for the planning, designing, installation and administration of the Corporate WAN.
• Configuration, Management, Troubleshooting of Network devices (Routers, Switches, Firewalls).
• Design, configuration and operational support of Nexus environment for switches and routers like 5k, 6k, 7k, 6509, 7609, 7201, 1941, 2600, 2911, 2926, 2960, 3560, 4948
• Worked on Cisco 3800 Routers and Cisco 3550 Switches & 3502i wireless access points.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols like OSPF, RIPv2, Static and default route.
• Performed route redistribution between the routing protocols using various routing metrics.
• Managed IP addressing and implemented IP Access Lists.
• Configured and troubleshoot VLAN, VTP, STP and RSTP
• Switching related tasks which included implementing VLANS, Ether-channels and configuring 8021Q trunks.
• Support and troubleshooting with various networking tools such as TCP-DUMP, solarwinds, ping, telnet etc.
• Responsible to write the change procedures of documents.
• Performed DHCP configuration and deployed TACACS+ for accounting and authorization.
• Handled the tasks of identifying, diagnosing, and resolving hardware and software problems in every day LAN environment
• Worked on HSRP and GLBP for first hop redundancy and load balancing.
• This project was more of a troubleshooting environment project. Used the various network commands and protocols to examine the network topology and removed all the vulnerabilities which caused slowdown in the network.

Confidential, Weston, FL

Network Engineer

Responsibilities:

• Extensively involved in complete LAN, WAN, Extranet, Redesigning of the network which included (IP address, VLAN, route planning, installation of equipment’s, testing & maintenance).
• Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 series switches by configuring VLANs.
• Monitoring the Alerts like Hardware issues, CPU & Bandwidth Utilization and fixing them.
• Worked onCiscoLayer 2 switches (spanning tree, VLAN).
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Closely work with Network Implementation/Migration Management team to deploy the network devices in production environment.
• Configured and designed LAN networks with Cisco switches such as 4510, 4507.
• Configuration of ACLs, Maintenance and configuration of FWSM, Designing the IPS Solutions to protect the threats to the network and MARS for monitoring and managing the Firewalls
• Created TCP/ IP flows for performance measurements and troubleshoot OSPF, BGP, and EIGRP.
• Monitored the performance of network and servers to identify the potential problems which caused bottleneck. Performed RIP & OSPF routing protocols administration.
• Maintenance and Troubleshooting of connectivity problems using Ping and Trace route.
• Responsible for implementing QOS parameter on switching configuration.
• Learned how to deal with the newer Cisco switches and routers and created a VLAN environment which was monitored by a firewall, for communication within the company.

Confidential

Network Engineer

Responsibilities:

• Responsible for the configuration, implementation and operation of Cisco 3800 routers Cisco 6509 and 3560 L2/L3 switches.
• Configured OSPF on CISCO devices with multiple routing processes and redistributed them.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Assisted the certification team and performed configuration of LAN/WAN technologies like Ethernet, Fast Ethernet, and Gigabit Ethernet as well as Troubleshooting network issues on daily basis.
• Configuring, implementing and troubleshooting VLAN’s, VTP, STP, Trunking and Ether channels.
• Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic NAT.
• Monitored Log messages using Syslog server and analyze the issues related to high CPU utilization and parameters that can degrade performance of the network.
• Involved in all technical aspects of LAN and WAN projects including, short and long term planning and implementation of both.
• Planned, tested and evaluated various equipment’s, systems and IOSs for use within the Network/ security infrastructure.
• Troubleshooting and fixing any backup and monitoring system problem related with the System team and external vendors. Created & documented wiring, network diagrams using MS- Visio.
• Worked exhaustively in a LAN/WAN environment and configured various routing protocols for the company.