SUMMARY

• Extensive experience in LAN/WAN technologies, Routing/Switching protocols and Wireless Technologies including TCP/IP protocol suite and multi - protocol routing in Cisco environment.
• Excellent troubleshooting experience of intricate network issues with OSPF, EIGRP and BGP.
• Experience installing, configuring and troubleshooting Catalyst (2900, 3500,3600, 3700 and 6500 Series), Nexus (7000, 5000 and 9000 Series) Switches, and Routers (2800, 3600, 4400 Series) and Wireless AP’s (1260, 3600) using CLI and GUI.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, and RSTP. Implementation of HSRP, VRRP,GLBP for Default Gateway Redundancy.
• Familiar with IPv6, OSPF v3.
• Network security including NAT/PAT, ACL.
• Knowledge of ASA firewalls, F5 Load Balancers.
• Working knowledge of network monitoring/management tools like Wireshark, Cisco Prime, Net Flow, PRTG, Solar Winds.
• Experience in diverse IT disciplines, including networking, technical support, programming, operating systems and system administration.
• Knowledge in preparing Technical Documentation and presentations using Microsoft VISIO/Office.
• Strong written and verbal communication skills, self-motivated, self-managed, result oriented, practical, always looking to learn and contribute.

TECHNICAL SKILLS

Firewall: CheckpointR65/R70/R75, Cisco PIX, Cisco ASA.

Cisco Routers: 2800, 3600, 4400, 3700,3800, 3900, 7600, ASR 9K, 1K,XR

Cisco Switches: 2900, 3500, 3600, 3700, 5000, 6500,4500

Cisco Wireless: 1260 AP, 3600 AP, WLC

Other Hardware: F5 BIG-IP LTM Load Balancer

Networking: TCP/IP, UDP, ICMP, LAN, WAN, DHCP, DNS, FTP, TFTP, SNMP, ARP

Other Protocols: HSRP, GLBP, VRRP, QoS, VoIP, IPv4, IPv6, IP SLA

Security: ACL, NAT/PAT, ASA (5505, 5540) Firewall, VPN

Routing: EIGRP, OSPF, BGP, MPLS

Switching: VLAN, VTP, STP/RSTP, Ether-Channel

Operating Systems: MS Windows XP/Vista/Windows 7, Server 2008/2012,Linux, CISCO IOS.

Applications: Wireshark, InMon, Cisco Prime, Solar Winds, MS Office and MS Visio

PROFESSIONAL EXPERIENCE

Confidential, Las Vegas NV

Network Engineer

Responsibilities:

• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, and maintenance)
• Designing and implementing new Firewalls requirements for Customers such as CheckPoint.
• Upgraded the Checkpoint Provider One and MLM from R70.20 to R76.10 and all securitygateways.
• Managing the RSA enVision for Log Searching, Log retention and Reporting of all the devices.
• Worked with HP Switches ( 4000,2650,3500) Brocade Switches, & Cisco 3650 Switches.
• Used Layer 3 protocols like EIGRP and BGP to configure Routers in the network
• Implemented redundancy /failover using HSRP
• Configured VPC, FEX and VDC’s on Nexus 5K, 7K
• Performed switching technology administration including VLANs, Inter-VLAN routing, trunking, port aggregation & link negotiation
• Involved in troubleshooting various layer 2 and layer 3 issues related to VRF and BGP routing
• Used Network monitoring (Like InMon, BCAN) tools to ensure network connectivity and Protocol analysis tools to assess and pinpoint networking issues causing service disruption
• Preformed IOS upgrades and reconfigured devices afterwards
• Updated documentation as necessary

Environment: Cisco routers 3900, 7200 and 7500; Cisco cat 6500, Nexus 9K, Nexus 7K,Cisco, CheckPoint

Confidential, Philadelphia,PA

Network Engineer

Responsibilities:

• Performed switching technology administration including VLANs, Inter-VLAN routing, Trunking, port aggregation in the LAN environment.
• Performing troubleshooting on slow network connectivity issues, routing issues involves OSPF, BGP and identifying the root cause of the issues.
• Performed smart hand support by identifying the root cause of the hardware issues with switches, routers.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Implemented Redundancy using HSRP Protocol on Core and distribution switches.
• Configuring and troubleshooting of Layer 3 routing protocols such as EIGRP, OSPF and BGP.
• Coordinated with Network Administrator regarding BGP/OSPF/EIGRP routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Troubleshoot network issues related to application access and performance.
• Responsible for troubleshooting day-to-day support issues and Performance related issues.
• Cloud access links to provide permission access and AWS and Azure preferred
• Performing the ACL requests changes for various clients by collecting source and destination information from them.
• Implementation of network, which includes configuration of routing protocols, Leased lines, ISDN lines, vlans, IOS installations.
• Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues
• Familiar with various MSIT Tools to check Networking Connectivity, Testing, Configuration and Adding or Removal of IP address blocks.
• Deploying and decommissioning the VLANs on core Nexus 7K, 5K and its downstream devices.
• Performed OSPF, BGP, DHCP, Bundle Ethernet implementation on ASR 9K redundant pair.
• Keeps the inventory of switch port utilization using Cisco Works.
• Preparing the technical documentation using Microsoft VISIO/Microsoft Office.

Environment: Cisco Series Routers - 7206, 881, 891, 3900, 2911, 3845, Cisco Switches - Nexus 7K, 5K, & 4K, Cisco 4500, 6500, 3750, 2960, MPLS, OC-192, EIGRP, OSPF, BGP, VLANS, STP, HSRP, NAT, SNMP, SMTP, FTP, VPN, Access list, Ethereal, Infinistream, CiscoWorks

Confidential, Boston

Network Administrator

Responsibilities:

• Installed and configured Cisco 2800, 3800 routers and 2950, 3700, 6500 switches.
• Maintained and managed networks running OSPF and BGP routing protocols.
• Configured route redistribution between OSPF and EIGRP in a multi-area OSPF network.
• Daily monitoring of network traffic using sniffers and access logs to troubleshoot and identify network issues.
• Performed switching administration including VLANs, inter-VLAN routing, trunking, port aggregation.
• Route redistribution and route update manipulation using route-maps, distribute lists and AD manipulation and link negotiation.
• Assist in determining network hardware and bandwidth needs.
• Worked with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
• Deploying VoIP phones and providing access to voice and data traffic with QoS policies.
• Preformed IOS upgrades and reconfigured devices afterwards.
• Updated documentation as necessary.
• Mapped, Network Diagrams and physical identification in MS Visio.
• Worked with Radius and TACAACS+.

Environment: Cisco Routers (2800 Series, 3800 Series), ASR 9K,1K, CISCO Switches (3700, 6500)

Confidential

Network Administrator

Responsibilities:

• Provided support to LANs, WANs, network segments, Internet, and intranet systems.
• Ensured design of system allows all components to work properly together.
• Involved in Troubleshooting problems reported by users.
• Made recommendations for future upgrades.
• Maintained network and system security.
• Configured ACL to allow only authorized users to access the servers.
• Implemented VLANs, DHCP server, DNS configuration, NAT/PAT in a small network environment.
• Configured Routing Protocol: single-area OSPF Identified user needs.
• Maintained integrity of the network, server deployment, and security.
• Ensured network connectivity throughout a company's LAN/WAN infrastructure is on par with technical considerations.
• Performed onsite installations, technical support, troubleshooting and maintenance of network equipment, installed and upgraded software and hardware equipment.
• Performed network address assignment.

Environment: Routers 2600, 3600; Switches 2500, 3500; Cisco catalyst series switches 2950, 3500. Cisco PIX firewall.