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WORK HISTORY
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March 2011 –
Present
TelePacific
Communications
Las Vegas, NV
Network
Design Engineer – Network Design Engineering
IP Core
Networks:
Configuration, troubleshooting, and Design of
VoIP core routing networks to include Cisco ASR 9010 core routers, Cisco
Nexus 5548 switches with 10gig Nexus 2248 vPC fabric extenders, Juniper
M120 Edge routers, Cisco ASA 5585 firewalls, Cisco Catalyst 4507 layer 3
switch, and Cisco PIX 500 series firewalls. End to end network and routing
design of OSPF networks, ISIS links, BGP networks, and MPLS WAN paths.
Design and implementation of core network VRFs, VRF based routing policies,
VRF based OSPF to BGP route redistribution, and L2VPN/L2 transport. Design
and implementation of Core /30 up-links with Cisco GSR 12416 core routers
from Cisco ASR 9010 core routers in a CEF based load sharing configuration
of ISIS for BGP routes. Layer 2 core network design around Nexus 5k/2k
architecture using vPCs for server access, port-channel or MST/PVST
redundant trunking links, and 10g SFP+ fabric extender vPC links.
Proficient and experienced with IOS, NXOS, IOSXR, and JUNOS. Experience
implementing DMZ and NAT networks, ACLs, and VPN in the CLI on ASA and PIX
firewalls.
VoIP traffic and call routing Networks:
Design, configuration, and implementation of
SIP peering networks with HA pair Acme SBCs, SIP access networks with
Geo-redundant HA pair Acme SBCs, HA pair Acme SRP networks, and Broad Soft
BroadWorks server suite networks.
Enterprise Servers & Storage Area Network:
Design, configuration, and support of Core DNS
on RHEL 6 with BIND 9 in a KVM based dual VM split DNS architecture of
Recursive and Authoritative DNS servers, Broad Works support servers to
include RHEL voice mail servers, CentOS Wireshark, RHEL CDR/ENUM DB
servers, and RHEL support site DB servers.
Dell MD3000i/MD1000 SAN arrays to include NFS
mapping to SAN from DB servers, design and implementation of a SAN network
architecture over 10gig iSCSI links/FCoE through
Nexus switches to RHEL and SNAP DB servers. Configuration and
implementation of PostgreSQL databases, Apache web server, and Apache
Tomcat. Routine use of tcpdump and Wireshark for troubleshooting, FTP, SCP,
SFTP, and TFTP for SW upgrades and backups. Basic experience with Bash and
Perl scripting, and configuration of SELinux and iptables. Server Hardware
includes Dell R610, R810, IBM Blade Centers.
Dec 2009 – March
2011
Clearwire
Corp
Las Vegas, NV
Network
Engineer
IP Core Network:
Configuration,
troubleshooting, and support of Regional WSC level Routers, Traffic
Shapers, and Firewalls to include the Cisco 7609, Cisco 7613, Juniper
EX4200, Juniper SRX650, Juniper m7i, Redback Smart Edge MSER SE1200,
and the Sandvine 14000 Policy Traffic Switch. Troubleshooting and support
of East and West National Data Center level Routers, Traffic Shapers, and
AAA platforms to include the Cisco 6504, Cisco 7201, Juniper EX4200,
Juniper MX240/960, Juniper m7i, Juniper SRX3400, and the Sandvine
Subscriber Policy Broker, Sun T2000/5120 AAA, Sun T5120 AAA Oracle DB, and
the Bridgewater Policy Controller.
National Back Haul Layer 2 Network:
Design, troubleshooting,
and support of market level layer 2 loop avoidance and redundancy protocol
implementations to include STP, RSTP, MRP, and PBT. Configuration,
troubleshooting, and support of site level Switches to include Ciena
311v/427 and Foundry 2402/2048, and aggregation pop/trans-pop/WSC level
switches to include Ciena 5305/3300 and Foundry 2402/2048/4802/NI-400.
Back haul design,
troubleshooting, and support of market level Point-to-Point Microwave links
to include Dragonwave Horizon Duo, Motorola Orthogon, E-Band E-Link1000,
BridgeWave 80Gig Series. Backhaul troubleshooting and support of market
level back haul TDM/Sonet platforms to include Ceterus 8212/1530, Ekinops
360, Loopstar 800/1600, and Nortel 3120. Interop testing of Carrier links
with the Ciena 5305 switch – links to Time Warner's Fujitsu Flashwave 9500
and 7120 for aggpop to transpop ethernet back haul as well as the Flashwave
7500 for some 10G DWDM links.
Radio Access Network – WIMAX/AAA/Servers:
Troubleshooting and
provisioning of all market WIMAX site level APs to include Huawei BTS,
Motorola DAP, and Samsung RAS. Troubleshooting and Support of
WiChorus/Tellabs ASN-GW, Motorola CAPC, and Samsung WSM WIMAX Controllers.
Enterprise Servers and
EMS:
Production Support and
Maintenance of SunOS 5.10 AAA Servers in East and West National Data
Centers.
Linux System Administration
and Support of hundreds of Redhat & Centos Linux Servers in all
National markets including DHCP, DNS, Syslog, TFTP, Capture, Firewall, ISP,
and backup servers. Operational Support of multiple Ciena Citrix and Java
based ESM back end Linux servers for daily Wimax Site switch provisioning
and monitoring. Support of Huawei SunOS M5000, Motorola DAP EMS, and
Samsung WSM EMS.
Aug 2009 – Sep
2009
Motorola Broadband Initiative
Contract
Dallas/Fort Worth, Texas
Network Design Engineer
Wimax RAN & Backhaul
Network Design:
Design of multiple area
site groups for Wimax RAN networks being built by Motorola for Utopian as
part of the 2009 Broadband Initiative grant. Design of Microwave backhaul
networks. Equipment design of Cisco routing and switching for access to
non-microwave backhaul, LEC fed sites, including TDM access MUX solutions.
All designs were done within the required parameters of the Broadband grant
initiative.This was a 3 week contract project that I worked while on
vacation from Aztech Communications and also in partnership with Aztech to
gain experience on design requirements for Aztech's own application to the
Federal Broadband grant.
March 2008 – Dec
2009
Aztech
Communications
Mohave Valley, Arizona
Network Engineer
IPTV Head end:
Simulsat satellite dish performance maintenance, Motorola and
Cisco/SA MPEG2/MPEG4 digital satellite receivers - configuration
troubleshooting. Tandberg Skystream Mediaplex and Iplex IP Video
encoders/MPEG2 to MPEG4 transcoders. Ineoquest Multicast IP stream
monitoring system. Minerva 2.1/3.2 Middleware - Minerva IPTV Manager
Software, Redhat Linux Application/Boot Server, Redhat Linux Database
Server, install, configuration, administration. Fedora Core 10 Linux - IP
Set Top Boot Server: Motorola Infocast Server and Cisco SADL Server. IPTV
Set Tops: Amino 110, 120, 130, 530, ADB, Motorola VIP1200, VIP1216, Cisco
IPN330HD, IPN430MC. Performed Minerva EPG data service migration from
Tribune Media to Gemstar Macrovision. Experienced with C, JAVA, and Unix
Shell Scripting. Designed and implemented video network which carries both
multiprogram transport streams (MPTS) or single-program transport streams
(SPTS), at either constant bit rate (CBR) or variable bit rate (VBR).
IP Network:
Experience in configuration of Cisco routers (BGP,EIGRP,OSPF,
ACLs), switches , PIX firewalls. Design, administer multiple VLAN IP
networks,design and implement multiple router architectures, including 2600
BGP router for wholesale internet gateway, Cisco 6509 Core, 2948 VLAN
switches, and Cisco 3745 Multi Services Access Router, Cisco PIX Firewall
routers. Point to Point/multi point licensed/unlicensed microwave Networks,
Proxim Tsunami, Cisco Ubiquity. Administer ISP public IP user network, and
private IP Video VLAN network. Installation and Maintenance of DNS , DHCP,
SMTP and POP3 servers: Y2k3, CentOS,Redhat.
FTTH OSP:
CALIX FTTH F5 and C7 GPON systems. Install, configuration,
troubleshooting, administration. Engineer and implement GPON architecture
for FTTH outside plant. Calix 500 and 700 series ONT
install/configure/troubleshoot. CPE install/configure including HPNA 3.0
converters, Ethernet over power,
network switches, routers, APs, and XP/Vista/Ubuntu PCs. Document,
Troubleshoot and repair OSP Infrastructure including OTDR/light meter
testing, Fiber splicing and OSP Cable management.
Voice/VoIP Network:
Metaswitch 3510 class 5 Softswitch: daily provisioning, network
configuration, translations, and maintenance. Test/turnup/trouble
resolution of ports,trunks,lines, and data channels. Configuration &
Test Ditech SBCs. Design and implement SIP trunks for wholesale LD and
large customers. Test, provision, troubleshoot all facilities from POTs,
T1, T3 to OC3. Design and implement SS7 A-links over IP(SIGTRAN) by
integrating TDM A-Links into Cisco 2811 ITP Router for IP transport to
Syniverse. Design, installed, and configured Asterisk Voicemail Server on
Conary Linux Server and integrated via SIP trunk to the Metaswitch for
telephone customer voice mail. Implemented Perl script in Asterisk to pass
both audible and visual message waiting indicators to the subscriber line via
the Metaswitch. Experience with Solaris EMS/Web Servers.
Network Administration:
Design and administer WAN/LAN corporate networks: SonicWall
Firewall routers, administered 85 user Microsoft Windows Server 2003
Network/Microsoft Exchange 2003 Server. Administered Active Directory and
configured multiple organizational units managed by group policy. Provided
technical support to all network users including Mac OSX, Windows XP/Vista,
and Linux Ubuntu clients.
May 2007– Mar
2008
USLEC/PAETEC
Charleston, South Carolina
Network Operations
Technician
Install, test, repair and
maintain central office voice and data equipment and all central office
support equipment. Support all functions of customer and network facility
installation and maintenance. Assist Translations and NOC personnel in
daily 5ESS Switch software/hardware installation, analysis and problem
resolution associated with lines, trunks, ports stations and central office
equipment. Perform daily DACS facility analysis and problem resolution
associated with network and customer facilities. Perform installation,
testing and turn up of customers, including CPE, T1 and T3 facilities,
Voice DS0s, trunks, and lines, and Data channels such as MPLS or Frame
Relay. Configure CP Channel Banks and Routers with LAN/WAN network IP
schemes, protocols, and channel maps. Review and perform operations duties
associated with service order activity, trouble tickets, and outages.
Sep 2004 –
May 2007
ITC^Deltacom
Savannah, Georgia
Network Operations
Technician
Responsible for day-to-day
installation, maintenance, T3/T1 grooms, monitoring, repair and
provisioning of Competitive Local Exchange Carrier (CLEC) networks at
customer premise locations, Central Office (CO) and secondary transmission
sites. Provide technical expertise regarding the operation and maintenance
of AC/DC power plants, multiplexers, fiber optic transmission systems,
WAN/LAN Routers and managed Switches, DACS, ATM, CBX-500, TA3000, 2820, and
ALL ancillary equipment. Provide field support to local, regional and
corporate centers by way of dispatches, vendor meets and technical
clarifications.
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Jul 2004 -
Sep
2004
Ajilon
Communications
Charleston, South Carolina
Telecom Systems Technician
- Contract
Central Office DC power
plant installation /retrofit and test. Prepared/cut over Marconi Rectifiers
and Power Controllers as part of an in service upgrade of both the primary
and secondary DC plants at a Verizon CO location.
Mar 1996 -
Mar 2003
AT&T/Lucent
Technologies
Seattle, Washington
Network Operations
Technician
Extensive experience with
Fujitsu OC3 and OC12 Add/Drop fiber optic systems. I am also fully trained
on NEC Add/Drop OC-48s, Nortel MOR and MOR+ OC-48, OC-192, certified on
Lucent OC-48 FT-2000 and Light wave 80G/160T DWDM Fiber systems, as well as
the Lucent LCT, OLS, OT, and LGX fiber optic equipment. I have installed,
configured, and provisioned these systems end to end. I am also a
Washington State Certified Fiber Optic Technician, trained and certified in
the use of the following: TBERD 224, OTDR, light meters, fiber optic
cabling, Fusion Splicing, and SC, FC, LC, fiber connector building. I have
also worked extensively, performing in-service software upgrades to
multiple OC-48 nodes on a ring from a single office, and upgraded multiple
optical circuit packs and grown them into service.
Performed multiple
install/configuration of Cisco 2600 routers for AT&T Network Systems,
including IP configuration, populating routing tables, and configuring both
static and dynamic routing. I have configured RIP and IGRP routing in 2600
series routers. I have also installed and configured the Cisco Catalyst
1900 switch. I am proficient in IPv4 network address schemes and subnetting
for all classes of network IDs. I am well versed in Cisco command line
interface in both Privileged mode and Global configuration mode. I have
also worked independently installing, configuring and maintaining customer
IP networks, including the configuration of MS Server 2000/2003 and Novell
Netware servers, Win95, 98, 98SE, Me, XP clients. I have installed and
configured the following network services: Active Directory, E-directory,
DHCP, DNS, FTP, and SMTP. Related Skills and training includes completion
of the Sybex CCNA Routing and Switching curriculum as well as Lucent
training and certification on the Path Star soft switch. I am also 2004 A+
and Network+ industry certified. I have traveled extensively with Lucent
and AT&T. I have experience working with the customer on the customer
premises, independently solving their network troubles.
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