Sr. Network Engineer Resume
Greensboro, NC
SUMMARY
- Nearly 9 years of experience in network design, implementation and troubleshooting of network protocols on IP and frame - relay networks.
- Experience in networking, routing, switching and firewall administration in LAN/WAN.
- Working experience in network products include CISCO and Juniper.
- Routers: Configuration and administration of routing protocols - RIP V1/2,OSPF,EIGRP,BGP, MPLS,DHCP, IGRP & Routed protocol (TCP/IP, Ipx)
- Hardware/Components: CISCO 800, 1800, 2500, 2600, 2800, 3500, 6500, Nexus2k/3k/5k/7K, Juniper SRX.
- IOS Version: 12.2, 12.4.
- Switches: Configuration and administration of VLAN, VTP, STP, PVST, PVST+, RSTP, HSRP, VRRP.
- Hardware/Components: Cisco 1900, 2950, 2960, 3600, 3500, 3700, 4500, 6500.
- IOS Version: 12.0(9)
- Firewall/Security: configuration and administration of Checkpoint R65 and CISCO ASA.
- Hardware/Components: ASA 5505, 5510.
- IOS: 8.2, 8.3, 8.4(2), 8.4(X).
- Troubleshoot: WAN, LAN, Wireless Networks, Firewalls.
- ISP experience with vendors listed: AT&T, Verizon, Sprint, Atlas/IGNISIS, Megapath,Comcast, BT.
- Implementation and troubleshooting of VPN between end-to-end sites using CISCO ASA and CISCO Routers.
- Implementation of policies on checkpoint firewall for providing user control access.
- CISCO Wireless network configuration and troubleshooting on modes 802.11a/b/g.
- Implemented security & traffic filters using Standard and Extended access-lists, Route Maps.
- Configuration and troubleshooting of MPLS, VPN & DMVPN with ISP's Sprint and AT&T.
- Network migrations, IOS and bandwidth upgradations in coordination with multiple ISP vendors.
- IP addressing and subnetting, Routing concepts, Bridging and switching concepts and LAN technologies.
- Experience in working with web application like Citrix.
- Build and maintain Visio/Opnet documentation database of network topology.
- Documentation of work done on daily basis in spreadsheets for management supervision.
TECHNICAL SKILLS
Routing protocols: RIPV1 & V2, EIGRP, OSPF, and BGP.
Switching Protocols: SNMP, SMTP, HSRP, VTP, STP
LAN/WAN Technologies: Ethernet, Frame Relay, X.25, VLAN, VTP, E1/T1.
Network Administration: CCNA, CCNP, RHCE administration
Network Technologies: MPLS, Frame-relay, and QoS.
Wireless Tech: Cisco WLC 4400(802.11a/b/g).
Firewall/Security: CISCO ASA 5510, Checkpoint R65, Palo Alto.
Communication's: VOIP, Call Manager Express, Cisco Unity, UCS.
Virtualization: VM Ware.
Load Balancer: F5(LTM/GTM/APM), Riverbed.
Scripting/Coding: CISCO TCL, Perl.
N/W Monitoring Tools: Nagios, Whatsup Gold, SMARTS, Netwatcher.
WAN Tools: Solar Winds, VNE, CACTI, Bluecoat proxy.
Operating Systems: Windows, UNIX.
Telecom Device/Components: Alcatel, WRI, Tejas.
Documentation: Opnet, MS Visio.
Packet Capture: Wireshark.
PROFESSIONAL EXPERIENCE
Confidential, Greensboro, NC
Sr. Network Engineer
Responsibilities:
- Providing level-3 network administration which includes Installation, configuration and troubleshooting of network devices (Routers, Switches, ASA’s).
- Site to Site VPN, DMVPN configurations in coordination with ISP AT&T and Sprint.
- MPLS configuration in coordination with ISP vendors like Sprint, AT&T, Comcast..etc
- Implementation of IOS & Bandwidth upgrades.
- Port and Bandwidth upgrades.
- Designing and implementing DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls.
- Migration of sites from OSPF Network to EIGRP routing environment.
- Implementing F5 load balancer using Cisco UCS director.
- Implementation of F5 includes configuration/creation of Network Element, Pool, pool members and virtual server.
- Configuration of VPC, VDC on nexus 2k/3k/5k/7k.
- Configuring/Creating Virtual hosts on VM Ware environment using ESX server.
- Implementation of OSPF with BGP during migrations and new connectivity.
- CSU/DSU loop testing in examining WAN link issues by implementing hardware and software loops.
- Knowledge on configuration of iApps (BIG-IP) application service in implementing F5 load balancer.
- Configuring HSRP on Cisco switch 6500 and 3500 to provide redundant network.
- Physical cabling, Rack Shifting and patching of network infrastructure in patch panel which also includes arranging of multiplexer's vendors likeAlcatel,Fibcom,Tejas,WRI.
- Performing Incident Management responsibilities which includes troubleshooting and restoration of services by joining in SRT and working with vendors and documenting troubleshoot steps and RFO.
- Working and opening trouble tickets (TAC) and Smartnet with Cisco for new product orders, device diagnostics and hardware/insurance.
- Implementing bluecoat proxy for network connectivity in retail networks.
- Cisco proactive device diagnostics with Smartnet service.
- Network security involves web filtering on internet sites (User's restriction) using Palo Alto and checkpoint Firewalls.
- Diagnosing layer-2 and layer-3 loop back tests in coordination with SP's and filed technician.
- Implementing routing, ACL’s with ISP using OSPF and BGP.
- Performing migrations and implemented many projects which gave Best Technical expert certificate.
- Configuration of BGP Route Reflector in Full-Mesh environment for sake of advertisement/Updates flow.
- Configuration of MPLS using BGP and OSPF which includes configuration of VRF (rd,rt), Redistribution..between ISP to different sites and DC.
- Addition, modification and Deletion of MAC addresses in CAM server and by using CLI in individual devices.
- Using F5 load balancer for traffic filtering and network optimization.
- Implementation of LTM/GTM for load balancing using F5.
- Documenting F5 logs and sending to weekly report to management.
- Configuration of CISCO routers and switches shipping them to respective locations.
- Configuration of MAC address, VLAN’s on switches and registers as per client’s request.
- Configuring Cisco WLC for the sake of customer mobility.
- Checking the WAN performance and utilization in SOLAR WINDS and also packet path using wire shark.
- Participating in network migrations with change management teams.
- Monitoring of all clients N/w Infrastructure using tool SMARTS.
- Participating in DSR, SRT, and RCA calls to resolve the n/w outages.
- Advising clients to improve their network performance.
- Designing and maintenance of client’s network architecture using VISIO and in asset center data management.
- Documentation of all the work done in MS Excel and word.
- Train new joiners and to attend training’s as per company and client’s requirements.
Confidential
Network Engineer
Responsibilities:
- Provided Layer-3 support in network implementation and troubleshooting.
- Configured CISCO routers (1800, 2500, 2600, and 2800).
- Configuration of EIGRP from SP to internal/Local network.
- BGP configuration to advertise and communicate both internal (Allowed) and external route communication.
- Expertise in configuration of ibgp and ebgp with physical and loopback interfaces and also using BGP communities.
- Configuration of MPLS using BGP and OSPF which includes configuration of VRF (rd,rt), Redistribution..between ISP to different sites and DC.
- Network bandwidth monitoring using SOLAR WIND, CACTI.
- Implementation of branch-wise network by configuring VLANS, VTP.
- Migrated STP to PVSTP+ on existing LAN architecture.
- Switch Trunk configurations for giving access to depended departments communication and uplink access.
- Network Bandwidth optimization using Riverbed and F5 Load balancer
- Created iRules on F5 for virtual machines and users.
- Troubleshooting network optimization issues by creating iRules on F5.
- Monitored packet and network flow and bandwidth fluctuations on F5.
- Maintained F5 statistics and documenting by informing to higher level management.
- Concatenation of Ethernet ports for higher bandwidth.
- Configured/Created Virtual hosts on VM Ware environment using ESX server.
- Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
- Implemented HSRP on Cisco core switches (3560) for providing uninterrupted services to end clients.
- Restricted access level permissions to users and blocking/filtering network using checkpoint /CISCO ASA firewall.
- Implementation of TCP/IP & related Service's-DHCP/DNS/WINS
- Build and maintain Visio documentation database of network topology
- Implementation of Network Technologies Frame-Relay, MPLS, SDH.
- Implementation of MPLS VPN networks for individual clients and within site to site and also implementing MPLS TE(Traffic Engineering).
- Internal Cabling and patching of patch panel from end to end via multiplexers.
- Installation of wireless and RF as redundancy link in case of severe outages.
- Troubleshoot customers LAN, WAN, RF connectivity issues by remote access or via phones.
- Trouble tickets opening with Cisco TAC center.
- Configuration and maintenance of server operating system-2003/2008(windows).
- Configured & Monitored the Network using network tools like Whatsup Gold & Net Watcher 1.6.1, Nagios.
- Monitored and checked the utilization using MRTG Server (cacti) of all region customers.
- O&M of LAN, WAN (Copper/RF), Internet Protocol and fiber transmission n/w of SDH/PDH.
- Prepared log reports, weekly reports, Daily digest and Monthly outages and efficiency reports.
Confidential
Network Administrator
Responsibilities:
- Configured L2 switches(2950,2960),Routers(1841,2811)
- Designing branch wise networks and configuring VLAN’s.
- Configured TRUNK between VLAN’s.
- Implementation of OSPF and BGP on Juniper routers.
- Restricted access level permissions to users and blocking/filtering network using checkpoint firewall.
- Has experience in installation, troubleshooting, configuration and maintenance of server operating system (windows).
- Monitoring and configuration of LAN and WAN.
- Installed and configured network devices like NIC cards, Switches, Hubs, Modems.
- Installed and Upgraded Antivirus software’s like AVAST, NORTON, MACFEE etc.
- Discussed and resolved issues directly with clients on a need basis.
Confidential
Network Engineer
Responsibilities:
- Installed Windows XP for clients, setting up the Outlook user account.
- Monitored and configuration of LAN and WAN.
- Configured/Created Virtual hosts on VM Ware environment using ESX server.
- Configured L2 switches(2950,2960),Routers(1841,2811)
- Designed branch wise networks and configuring VLAN’s.
- Collected logs of checkpoint firewall, documenting and reporting to higher level management them weekly.
- Configured TRUNK between VLAN’s.
- Hardware set up.
- Modem & Printer Installations.
- Installation of Antivirus.
- Configured and Dialed Internal & External Modems in windows.