SUMMARY:

Focused, organized, and competent IT professional with 10+ years of experience of network administration. Proficient with both Windows and Linux - based operating systems. Very effective communicator, both verbally and written. Team-oriented, but also able to work with minimal supervision. Skilled in proactive identification and resolution of network/systems issues through preventative maintenance and troubleshooting.

PROFESSIONAL EXPERIENCE:

Confidential

Network Engineer

Responsibilities:

• Configured Juniper SRX340 firewalls with chassis clustering, security policies, and NAT to provide secure access and redundancy for wireless clients.
• Configured Juniper SRX340 firewalls with Dynamic VPN for remote access to corporate desktop machines.
• Configured Juniper EX3400 switches with virtual-chassis feature to provide routing engine redundancy.
• Configured interconnectivity between Juniper SRX340 firewalls and EX3400 switches to facilitate Internet access for wireless clients and corporate desktop machines.

Confidential, Sacramento, CA

Network Engineer

Responsibilities:

• Configuration and operational support for Cisco ACE 4710.
• Configuration and operational support for local and remote Riverbed Steehead devices(CLI and GUI) and Riverbed CMC.
• Configuration and operational support for Cisco 6509 and Cisco 4500.
• Additional operational support and troubleshooting involving Solarwinds, Infoblox, and Syslog.

Confidential, Dallas, TX

Network Engineer

Responsibilities:

• Designed and implemented network access and aggregation configurations for various projects and activities using Cisco Nexus 5k, 9k, 2k(FEXs), Cisco ASR 1k, Cisco 6500, Cisco 3750, Cisco 3850, and Confidential ALU 7750. Configurations included: lags, port channels(Ether-Channel), stacking, VPC, BGP, and OTV.
• Designed and implemented Cisco ACE load-balancer implementation for various Linux server cluster projects and activities.
• Configurations included: probes, server-farms, class-maps, policy-maps, SNAT, and static routes.
• Other apps include: Remedy, Infoblox(IPAM) and Solarwinds.

Confidential, Wichita, KS

Network Operations Engineer

Responsibilities:

• Researched, scripted, pre-built, and implemented new Layer 2 and Layer 3 VPN(Metro-E, VPRN, and VPLS) configurations on core and aggregaton routing and switching devices across an MP-BGP MPLS VPN cloud for Cox Business' Juniper-to-Cisco ASR project.
• Devices included: Confidential 7710 and 7750 service routers, Cisco ASR 9k(IOS-XR), Cisco uBR 10000, Cisco Nexus 2k/5k/7k, Cisco ONS 15454, Cisco 6500, Cisco 7200, Juniper MX240, MX480, MX960, EX4200, and Foundry Brocade FastIron Layer 2 switches.
• Software used for research, maintenance, and implementation include: Confidential 5620 Service Aware Manager(SAM), F5 BigIP load-balancing, Netscout, Infoblox DNS, Cisco Transport Controller(CTC), Granite, and Optix.

Confidential, Dallas, TX

Network Analyst

Responsibilities:

• Administer customers' BGP peerage with NTT network by performing tasks such as adding/removing prefixes, adding null(blackhole) routes, and changing customer peer groups on Juniper 4000T and Cisco ASR9k(IOS-XR) and Cisco Nexus 2k/5k/7k backbone routers.
• Create tickets for various issues using Siebel ticketing system integrated with Mutt(Linux) mail service.
• Assist remote hands performing various tasks such as fiber and PIC replacements, routing engine upgrades, and router decommissioning.
• Mark and manipulate traffic on aggregate interfaces to re-route traffic during maintenance periods and outages.
• Create Cisco TAC and Juniper TAC cases for various Juniper and Cisco device issues such as core dumps and memory issues.
• Schedule maintenance periods for various customer and telco service-affecting issues.
• Monitor Netcool system for alarms for NTT network and devices daily and during customer and telco maintenances and outages.
• Investigate customer complaints for issues such as packet drops/errors and indirect/asynchronous routing issues.

Confidential, Allen, TX

Network Engineer

Responsibilities:

• Layer 2 and Layer 3 administration for Cisco 2900, 3600, 4500, and 6500 series devices.
• Exposure to DMVPN, BGP, MPLS, NHRP, Riverbed WAN accelerators, Checkpoint Manager, and VPC on Cisco Nexus 7K, 5K, and 2K.
• Documentation, maintenance, and traffic monitoring using Cisco NetFlow, Orion Solarwinds, Putty, Netscout, IPControl, Cisco Prime, and Microsoft Office 2010.

Confidential, Plano, TX

NOC Engineer

Responsibilities:

• Monitor IuB, IuR, IuCS, and IuPS ALU RNC and Node B alarms during nightly maintenance periods to determine outage conditions.
• Monitor ALU RNC and Node B hardware alarms during nightly maintenance periods to determine outage conditions.
• Escalate outages to ATT MNOC and CTAC for further resolution.
• Participate in bridges with ALU or ATT RNC Engineers to assist with determining resolution.
• Monitor RNC and Node B performance indexes via UNIX and WRDP GUIs.
• Remotely reset RNC cards and Node B cells and radios as a proactive measure against outage conditions.
• Determine UMTS device availability with RNC Engineers prior to maintenance/implementation to prevent work conflicts.
• Add/remove RNCs to and from UNIX database and WRDP alarm filters based on commericial availability.

Confidential, Allen, TX

Network Engineer

Responsibilities:

• Configured UNIs on Canoga-Perkins 9145E and Actelis 600 series switches for Layer 2 and Layer 3 VPN(Metro-Ethernet VPLS, VPRN) access for extended LAN and DIA for ATT Mobility and other customers.
• Configured Actelis 1300 and 2300 series aggregators for Layer 2 and Layer 3 VPN(Metro-Ethernet VPLS, VPRN) access.
• Configured NNIs and VLAN trunking on Layer 2 and Layer 3 VPN(Metro-Ethernet VPLS, VPRN) EVC paths on Cisco 2800, 3600, 6509, and 7600 series routers.
• Configured NNIs and VLAN trunking on Layer 2 and Layer 3 VPN(Metro-Ethernet VPLS, VPRN) EVC paths on Alcatel 7750 routers.
• Configured sub-interfaces on Juniper MX series routers to provide routing for extended LAN and DIA customers.
• Assigned IP addresses and VLANs to various customers through IPAM.
• Managed circuit turn-up processes through Metasolv M6 application.

Confidential, Little Rock, AR

Network Analyst

Responsibilities:

• Layer 2 and Layer 3 management IP configuration of customer premise equipment(Accedian Ethernids, Metronids, and Metronodes) at cell towers and MTSOs for fiber-to-the-tower provisioning of AT&T and Verizon 4G networks.
• Layer 3 management IP configuration of Cisco 7600 series, Juniper MX320, Juniper EX4200, and Alcatel 7750 routers for remote access of customer premise equipment.
• Performed RFC 2544 and testing of Ethernet virtual circuits to comply with our SLA agreement with customers(AT&T and Verizon).
• Performed troubleshooting with various NOC provisioning and transport engineers across the country to resolve Layer2/3 customer premise equipment and/or management router technical issues.

Confidential, San Antonio, Texas

Network Analyst

Responsibilities:

• Configured Cisco router, switches, and appliances for deployment to DLTS and SOC client sites.
• Monitored and verified statewide client T1 and T3 circuit availability using Nimsoft.
• Coordinated with Confidential in the event of failure of T1 and T3 circuits at remote client sites.
• Assisted field engineers with troubleshooting switch and router configurations at various DLTS and SOC client sites.

Confidential, San Antonio, Texas

Network Operator

Responsibilities:

• Ensured that Unix SAP jobs completed through HP Openview software.
• Monitored router and switch availability for remote oil refinery sites.
• Coordinated with remote sites in the event of critical router and switch alarms.
• Monitors network and facility systems to support co-location, dedicated, and managed service customers through Opsview, Webview, and Tridium.
• Worked with Cisco 3600 series routers to administer EIGRP/OSPF networks for several clients.
• Provides hands-on and remote support for Cisco(6500,2900 series), Cisco ASA(VPN) through ASDM/CLI, and Cisco ACE load balancer devices through Salesforce ticketing system.
• Provides hands-on and remote support for VMWare VSphere, Windows Server (2003,2008), and Linux(CentOS) systems and hardware support for co-location, dedicated, and managed service customers through Salesforce ticketing system.
• Performed asset management for various clients.

Confidential, North Chicago, Illinois

Network Technician

Responsibilities:

• Provided face-to-face and phone support for Windows 2000, Windows 2003, Office 2003, and Windows XP support to over 1500 end-users.
• Proficient with Windows 2003/2008 Active Directory and Group Policy objects.
• Provided Mac OS 8.1, Mac OS 9.2, and Mac OS X(Tiger, Leopard) support to over 100 end-users.
• Installed, configured, and administered Altiris asset management server and clients for remote deployment of software packages.
• Proficient with Extreme 200, 300, 400, 48si, Black Diamond, and Alpine 3808 series Layer 3 switches for VLAN administration and security such as trunking, Spanning-Tree, redundancy, and load-balancing.
• Administered Extreme Altitude wireless access point network through Extreme WM200 controller.
• Proficient with Windows 2003 DHCP, DNS, and RADIUS servers to support network authentication and access.
• Hands-on experience with SNMPv2/3 protocols for configuration of network monitoring solutions such as Cacti and Altiris.
• Built Linux file server for storing Cacti network monitoring data files. Configured Linux server for remote access through a Windows XP workstation.
• Extensive hands-on experience TCP/IP Layer 3/4 troubleshooting tools such as Ping, Tracert, and Nslookup.
• Proficient with Wireshark packet sniffer and Fluke/AirMagnet spectrum analyzer for real-time Layer 2/3 network troubleshooting.
• Proficient with EpiCenter SNMP Manager for monitoring network status.
• Proficient with hardware-based Ecessa server load balancing solutions including QOS and traffic-shaping.
• Administered Juniper NS-208 series firewall/VPN-IPSec solutions for remote client access as well as local network security. Familiar with Cisco-based VPN solutions as well.
• Proficient with Cisco 3600 series routers for NAT configuration as well as T-1(turning up) lines for client sites.
• Hands-on experience with making Cat 5/5e/6 cables(straight-through and crossover) for racking network equipment. Experienced with making LX and SX fiber cables. Knowledgeable of various cable/fiber protocols and specifications.
• Proficient with ISDN dial-up solution for RAS network access.
• Hands-on experience with Microsoft Visio for basic network design and documentation.
• Proficient with FTP/TFTP methods for network router/switch upgrades and image/configuration backups.
• Very organized and proactive. Hands-on experience with documentation, time-management, and preventative maintenance. Able to manage multiple projects at once.
• Able to communicate very well with staff and vendors, both clearly and effectively.