SUMMARY

• Over Five years of professional experience, in Implementation, Administration, Operations and Troubleshooting of enterprise data networks as a Network Engineer.
• Work experiences on Cisco Switches, Cisco Routers, Load Balancers & Cisco Firewalls.
• Experience in LAN/WAN setup, installation, configuration and troubleshooting.
• Profound knowledge on various WAN technologies like E1/T1/E3/T3, HDLC, Frame - Relay and PPP.
• Knowledge in WAN technologies including T1, T3, ISDN, HDLC, Point to Point, Frame Relay.
• Experience in Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay & MPLS), Routing protocol configurations (RIP, EIGRP, OSPF, BGP).
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, PPP, PAP, CHAP, and SNMP. Configured RIP, EIGRP, OSPF.
• Proficient experience in the configuration of Cisco Catalyst 2900, 2960, 3560, 3750, 4500, 4900, Legacy Cat 6500 series, Nexus 7010, 5548 and 2248 switches.
• Experience working with 2800, 2900, 3800, 3900, 7200, 7600 series Cisco Routers.
• Hands on experience in troubleshooting of inter-VLAN routing and VLAN Trunking using 802.1Q. Implementation of gateway redundancy with HSRP and GLBP.
• Expertise in the implementation of Layer 2 technologies including VLAN’s, VTP, STP, RSTP, Trunking and Port-security, expertise on working with Ether channel technologies (LACP, PAGP).
• Experience with setting up Cisco ASA firewalls Cisco ASA 5510, Cisco ASA 5512 & Cisco ASA 5505 with restricted security policies, NAT implantation, configured DMZ interfaces to restrict traffic flow.
• Experience with configuring, maintaining and troubleshooting Checkpoint firewalls.
• Experience in configuring and troubleshooting NAT and PAT.
• Expertise in configuration and deployment of routing protocols like OSPF, EIGRP, BGP, Policy-based routing over Cisco Routers, configuration and troubleshooting of route redistribution.
• Experience in configuring and troubleshooting the Cisco 2500, 8500, 5500 series wireless controllers.
• Implementation of traffic filters using Standard and Extended access-lists, Distributed-Lists, Route Maps and route manipulation using Offset-lists.
• Managed inventory of all network hardware, Management and Monitoring using SSH, Syslog, SNMP and NTP.
• Comprehensive expertise in implementation, analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Highly motivated with the ability to work independently or as integral part of a team and committed to the highest levels of professionalism.

TECHNICAL SKILLS

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600, 2500 series.

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Switches: Nexus 7K/5K/2K, Cisco Catalyst 6500, 4500, 3850, 3560, 3750, 2960.

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels.

Firewall: ASA Firewall (5505/5510), Cisco ASA.

Security Protocols: IKE, IPSEC, SSL-VPN.

LAN Technologies: Port-channel, VLANS, VTP, STP, RSTP, 802.1Q.

WAN Technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, T1 / T3.

Networking Protocols: LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA.

Features & Services: IOS and Features, SNMP, SYSLOG, DHCP, CDP, TFTP, FTP.

Network Management: Wireshark, SNMP, Net flow Analyzer, Syslog.

Languages: C, C++.

PROFESSIONAL EXPERIENCE

Confidential, New York, NY

Network Engineer

Responsibilities:

• Experience in configuring Site-to-Site and remote access VPN solutions.
• Configuring the FortiGate firewall and FortiAuthenticator.
• Installed and configured Cisco 7200 series router and Cisco 2950, 4500, 6500 Series switches.
• Configured network using routing protocols such as RIP, OSPF and BGP and troubleshooting L2/L3 issues.
• Worked on multiple projects related to Branch networks, Campus networks, extranet clients and Data Center Environments involving in data center migrations from one data center to another.
• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels.
• Created data migration strategies to help with completion of migration of data center from one point to another.
• Configuration of Cisco 6500, 4500 & 3750 Catalyst switches for network access.
• Worked on Cisco Firewalls ASA 5500(5510/5540) Series.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
• Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network.
• Design and implement Catalyst/ASA Firewall Service Module for various LAN’s.
• Key contribution includes troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Configured Client VPN and RSA Token ID technologies including Cisco’s VPN client via IPSEC.
• Configuring ACL to allow only authorized users to access the servers.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Installation, maintenance, troubleshooting local and Wide Areas Network (ISDN, Frame relay, DDR, NAT, DHCP, TCP/IP).
• Provided technical support in terms of upgrading, improving and expanding the network.
• Providing technical security proposals, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures.

Environment: /Platform: Cisco 3750/3550/3500/2960 switches and Cisco 3640/1200/7200/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, Cisco Nexus7K/5K, Cisco ASA.

Confidential, Ohio

Network Security Engineer

Responsibilities:

• Responsible for the configuration of Cisco Routers (7000, 5300, 4000, 2500, 3000, 2600) using RIP, OSPF, EIGRP, BGP.
• Managed office network with Cisco devices with network devices including 2500 and 3600 series routers and 3500, 2900, 1900 series switches.
• Analyzed and resolved a high percentage of initial customer contact in the areas of PC/LAN.
• Dealt with customer problems to management and support groups utilizing standard escalation model.
• Extensive experience in configuring and implementing OSPF and BGP.
• Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
• Configured EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 backbone routes with HSRP.
• Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.
• Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists.
• Implemented Cisco Secure Access Control Server (ACS 3.0) for TACACS+/RADIUS.
• Knowledge with redistribution of routing protocols and Frame-Relay configuration.
• Handled Network Migration from RIP to OSPF.
• Implementation of TCP/IP and related Services-DHCP/ DNS.
• Configured, maintained and troubleshot routing protocols such as OSPF, EIGRP and BGP.
• Engaged in office moves, helped in identifying network requirements of new building, installed new networking hardware, and coordinated with vendors for cabling/wiring.
• Performed troubleshooting, while maintaining trouble ticket tracking, following both internal/external routes.
• Assisted with escalation procedures and customer notifications.
• Configured Cisco Routers for OSPF, RIPv2, EIGRP, Static and default route.
• Acted as Tier 3 support for connectivity, failures, configuration, implementation, and troubleshooting.

Environment: /Platform: Cisco 3750/3550/3500/2960 switches and Cisco 3640/7200/3845/3600/2800 routers, Checkpoint, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, AS Firewall, Checkpoint, Nexus 7K/5K/2K.

Confidential, Kent, OH

Teaching Assistant

Responsibilities:

• As an assistant configured hardware and software, setting up peripherals such as printers, routers, learning and technical equipment.
• Identifying technical problems and debugged hardware and software related to LANs/ WANs.
• Strategies include operating systems, virus protection, mail systems and Internet services.
• Updated the anti-virus, spam blockers, and other security software so that the systems are always secured.
• Resolved all computer related problems, monitored and maintained system functionality and reliability by identifying ways to prevent system failures.
• Switching related tasks included implementing VLANS, VTP and configuring ISL trunk on Fast - Ethernet channel between switches.

Confidential, San Diego, CA.

Network Engineer

Responsibilities:

• Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.
• Team member of Configuration ofCisco7206 router with VPN and Configuration of Catalyst switches.
• Configuration 7500, 7200 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
• Create and testCisco router and switching operations using OSPF routing protocol, ASA 5500 Firewalls, and MPLS switching for stable VPNs.
• Troubleshooting the Network Routing protocols (BGP, EIGRP and RIP) during the Migrations and new client connections.
• Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
• Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.
• Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-VLAN routing, HSRP and LAN security for Layer-2 and Layer-3 switching domains as per the organization’s requirement plan.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Strong working knowledge of Nexus 5K/7K /2K.
• Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Technical assistance for LAN/WAN management and complex customer issues.
• Provided support for troubleshooting and resolving Customer and user reported issues.
• Worked with Network Engineer’s in the installation and configuration of firewalls.
• Responsible for network evaluations, troubleshooting a variety of network problems, and implementing various software and hardware upgrades efficient performance.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Provided redundancy to the network, implemented hot standby routing protocol (HSRP) and Load sharing for effective utilization of routers.
• Configuring, implementing and troubleshooting VLAN’s, VTP, STP, Trunking, Ether channels.
• Involved in monitoringnetworktraffic and its diagnosis using performance tools likeSnort.
• Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP etc.
• Performing network monitoring, providing analysis using tools like Wireshark.

Environment: /Platform: Nexus 2K/5K/7K, Cisco ASA 5500, LAN, WAN, HSRP, RIP, OSPF, BGP, EIGRP, VLAN, MPLS, STP, RSTP.

Confidential, CA

Network Engineer

Responsibilities:

• Migration of RIP V2 to OSPF, BGP routing protocols.
• Configured EIGRP for Lab Environment.
• Cisco routing and switching technologies and devices LAN/ WAN, VPN, Routing protocols, VLANs, Trunking, Cabling, IOS administration
• Implemented ISL and 802.1Q for communicating through VTP.
• Experience with Cisco IOS and NS-OS.
• Configuring Port Mirroring, VLAN, SMTP, STP, RSTP, SNMP, and Routing Policies on switches.
• Working with Client teams to find out requirements for their Network Requirements.
• Installed and Configured DNS server and Checkpoint Firewall with IPS feature in Internet Edge.
• Designing solutions for frozen requirements using Cisco Routers and Switches.
• Deploying the network infrastructure to meet the requirements.
• Dynamic routing protocol configuration (RIP, RIP V2).
• Troubleshooting network problems and working knowledge of HTTP, SNMP, HTTPS, SMTP, DNS, DHCP, etc.
• Implementation & trouble shooting of complex WAN, LAN, VLANS, private VLANS, high availability solutions like HSRP, VRRP, GLBP, ether channels, site- to- site VPN(IPSEC), access control lists, NAT, PAT, routing solutions etc.
• Maintaining all the network devices routers, firewall, switches.
• Incorporated VLANS to segment traffic on managed switches.
• Installing service pack upgrades.
• Use of TCP Dump to troubleshoot access issues.
• Configuring VRRP, Static route, BGP, Routing policies, ACL.
• Implemented Secure Remote VPN for high speed remote access.
• Managed network connectivity between Head offices and Branch office.
• Responsible for Internal and external accounts and, managing LAN/WAN and coordinating with the system/Network administrator during any major changes and implementation.

Environment: /Platform: Cisco routers 1900 and switches 2960, Nexus 7K/5K, 802.1Q, LAN/WAN, VLANS, NAT, PAT, ACL, VRRP, EIGRP, VPN technology.

Confidential

Jr. System Administrator

Responsibilities:

• Providing day-to-day technical support to employees for network infrastructure and internal desktop systems software and hardware.
• Performing general maintenance tasks and resolves less complex problems in timely manner and reporting complex issues to a higher level of support.
• Installing, configuring and troubleshooting desktop systems, workstations, servers and network.
• Maintaining passwords, data integrity and file system security for the desktop environment.
• Communicating highly technical information to both technical and nontechnical personnel.
• Recommending hardware and software solutions, including new acquisitions and upgrades.
• Upgrading IOS, troubleshootingnetworkoutages.
• Develop and implement strategies to support the current and future needs of the company.
• Configured Cisco Routers 2600 series using RIP, OSPF, and EIGRP.
• Configured Cisco Switches 2900 series.
• Troubleshoot and document issues involving Windows desktops, laptops, LAN/WAN, routers, switches, printers and other hardware and software components.

Environment: /Platform: Windows, Linux, Routers, Switches, LAN/WAN, RIP, OSPF, EIGRP.