SUMMARY

• A Solid Professional with 5+ years of expertise in Implementation, Administration, Operations and Troubleshooting of enterprise data networks as a Network Engineer.
• Extensive experience of working on network equipment such as Cisco routers, Cisco switches and Cisco firewalls.
• Worked on Cisco catalyst series 2900, 3560, 3750, 4500, 4900 and 6500.
• Detailed understanding of different layer 2 protocols like VLANs, VTP, STP, RPVST, Ether Channels (LACP and PAGP) and Port Security.
• Worked on Cisco 1800, 2600, 3600, 7200 and 7600 routers
• Experienced and skilled in configuring Routing Protocols RIP, EIGRP, OSPF and BGP on Cisco routers like 2600, 3600, 3900, 7200 and 7600 series.
• Experience in configuring redundant protocols like HSRP/VRRP/GLBP.
• Worked with MPLS in establishing peer ship with BGP protocol.
• Experienced with route filtration by using Access - lists, Distribution-list and Route Maps.
• Solid understanding of various WAN technologies such as PPP, Frame-Relay and HDLC.
• Detailed understanding of DHCP Servers and DNS servers.
• Expertise in implementing Security policies like IDS, IPS, PAT, NAT, VPN and Access lists.
• Experience in configuring F5 Load Balancer (BIG-IP).
• Experience in configuring Checkpoint Firewall.
• Troubleshooting and monitoring application issues using tools like Wire-shark and TCP-dump.
• Excellent inter-personal skills with the ability to work in a team of large members with minimum supervision necessary.
• Experienced in Microsoft Visio creating a detail physical and logical network diagrams.

TECHNICAL SKILLS

Routers: Cisco 1900, 2600, 2800, 2900, 3600, 3800, 3900, 7200, 7600

Switches: Cisco Catalyst 2960, 3560, 3750, 4500, 4900, 6500

Routing Protocols: OSPF, EIGRP, BGP, RIP, Route Filtering, Redistribution, Summarization, Static routing.

Switching Protocols: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP, CEF, DCEF, Port Security

Protocols: IP, TCP, UDP, ICMP, NAT, DHCP, SNMP, IPSEC, SSL, HTTP, SSH, DNS, PAT

Other Tools: VM Workstation, Team Viewer

PROFESSIONAL EXPERIENCE

Confidential, Omaha, NE

Network Engineer

Responsibilities:

• Working on 3600, 7200, 7600 series Cisco routers.
• Configuring and maintaining EIGRP, OSPF and BGP on Cisco Routers.
• Worked on Network design implementation related to internal projects for establishing connectivity between the various field offices and Data Centers.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols OSPF and BGP.
• Provided VPN services to site-to-site and, Remote access VPNs using IPsec and GRE tunneling mechanisms.
• Configured Checkpoint Firewall (R77) for network security.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.
• Configured & maintained IPSEC Site-to-Site VPN.
• Configured F5 Load Balancer in order to manage the local traffic in organization.
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
• Configured Policy statements & Routing instances.
• Provided layer 3 redundancy by implementing HSRP in the network.

Environment: Cisco Routers 7600, 3600 and 7200 series, Routing protocols RIPv2, EIGRP, OSPF and BGP. Switching Protocols STP, VTP, RSTP and VLAN; Firewall Security Protocols like NAT, PAT, IPsec, GRE and VPN; F5 Load Balancer; Checkpoint Firewall.

Confidential, WA

Network Engineer

Responsibilities:

• Maintained 7200 Cisco Routers and 2950, 4500 and 6500 series Cisco Switches.
• Configured various routing protocols such as EIGRP, OSPF & BGP and troubleshooting layer3 issues.
• Configured and maintained the Access layer routers and switches.
• Performed redistribution for communication between different protocols & manipulated route updates using route maps, administrative distance and offset-lists.
• Learned and Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
• Configured PVSTP for loop prevention and VTP for Inter-VLAN Routing.
• Involved in the designing and implementation of HSRP, a redundancy protocol.
• Implemented port aggregation & link negotiation using LACP and PAGP.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively.

Environment: Cisco routers 7200 Cisco Catalyst switches 6500, 4500, 2950; Routing Protocols OSPF, BGP ; STP, VTP, VLAN ; VPN, MPLS, HSRP, GLBP.

Confidential

Network Administrator

Responsibilities:

• Configuring various routing protocols such as EIGRP and OSPF.
• Troubleshooting various Layer 2 & Layer 3 issues.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues & managed the address space using subnets and Variable Length Subnet Masks (VLSM)
• Configured Spanning Tree, VLANS & HSRP in the switching environment for better performance of the network.
• Experience with Packet Analysis, Inspection, Capture with the help of Wireshark.
• Involved in troubleshooting problems on day to day basis and provided solutions to fix the problems
• Monitored the operability and reliability of the network.
• Worked along with the team in ticketing issues; responsibilities included documentation and support other teams
• Experience with maintenance and troubleshooting of connectivity problems using Ping and Trace route

Environment: Cisco Routers 7600, 3600 and 7200 series, Routing protocols RIPv2, EIGRP, OSPF and BGP. Switching Protocols STP, VTP, RSTP and VLAN; Firewall Security Protocols like NAT, PAT, IPsec, GRE and VPN; Wireshark.

Confidential

Junior Network Administrator

Responsibilities:

• Configured routing protocols RIP, EIGRP & OSPF on 2600, 2900 and 3600 series Cisco routers.
• Documented the company’s design, implementation and troubleshooting procedures.
• Performed routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Performed scheduled Virus checks and updates on all servers and desktops.
• Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others.
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
• Performed IOS upgrades on 2900, 3500 series Cisco Catalyst switches and 1800, 2600, 3600 series Cisco routers using TFTP.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Worked on network-based IT systems such as Racking, Stacking and Cabling.

Environment: Cisco Routers 7600, 7200, 3800, 3700, 2800; Cisco Catalyst switches 6500, 4500, 3500, VTP, VLAN and 802.1Q Trunking; Routing Protocols RIPv2, EIGRP, OSPF & BGP