|
Experience and Achievemets
|
AccessLine Communications (Network Design Engineer,
10/05-present)
Designed, implemented, and
maintained network infrastructure for AccessLine Communications, a private
provider of enhanced telephony services and VOIP dial-tone. AccessLine
operates a national network to transport VOIP calls including on/off-net
subscriber traffic, conferencing systems, unified messaging, and follow-me
services. Was responsible for technical service creation, infrastructure
design, systems design and maintenance, and technical project management.
Participated in process creation and training, as well as product design.
·
Managed a
nationwide data network ranging up to OC-12 speeds providing high-availability
to VOIP transport and call processing systems. External network connectivity
included transit via multiple tier 1 and 2 providers, as well as high-speed
private peering for customers and partners. Responsible for all aspects of
public and private interconnections.
·
Developed a multi-city
VOIP delivery network from start to finish, utilizing partner DSL networks
and public internet connectivity, and commodity ADSL, SDSL, and T1 hardware.
Responsible for all aspects including technology research, test deployments,
provisioning/configuration process, training, monitoring, and troubleshooting
procedures. Ongoing involvement includes escalation, and technology ad
process refinement to support additional product requirements and changing
hardware availability.
·
Designed and
maintained internal computing systems for call-path processing, data
warehouse users, and QA/development labs. AccessLine’s
network hosts a wide range of Sun and x86 hardware, and Solaris and Linux
operating systems delivering home-brew call-control, protocol conversion, and
media gateway control applications. Responsibilities include standardization,
upgrades, and supporting junior administrators.
·
Built automated
deployment systems for CPE voice hardware deployment. Worked with developers
and wrote custom programs to create one-touch installation of internally
developed software and OEM voice gateway hardware. Established a preconfigured
device testing facility for pre-ship hardware verification.
·
Researched,
customized, and deployed network and systems management tools. Projects
included deployment of a distributed automated Oracle-based DNS and network
allocation system, and enhancements to network configuration management
facilities. Developed traffic monitoring tools for network verification
including high-resolution tracking of network and path stability for customer
networks as well as internal systems.
·
Established and deployed network-wide
security models incorporating internal billing and call-control traffic,
exposed customer-facing web applications, customer call-control, internal
real-time traffic, and customer traffic. Security models included
consideration for Internet-based accessibility, and customers utilizing both
private and public networks.
·
Designed,
documented, and deployed network upgrades and technology refreshes. Migrated
to a multi-node fully-meshed BGP network including core and distribution
layers deploying a unified internal network.
Savvis Communications
(Product Engineer, R&D, 9/03-9/05)
Designed and deployed
network-based products for SAVVIS Communications, an international private
networking company, and tier-1 ISP. Responsible for the product life cycle
for a variety of products and technologies, integrating duties including
product management, project management, service delivery, process
engineering, training, lab and operational testing, troubleshooting, and building
support models. .
Independent Consultant (Sr. Consultant, 3/03-9/03)
Supported and managed
client networks for a variety of customers and projects. Responsible for many
aspects of network/product deployment including initial specifications,
design, procurement, installation and operational management.
River City Internet (Director Network Engineering,
11/01-3/03)
Managed the design, update, and maintenance of
network and servers for a regional ISP, and an international web-hosting
company. Created and maintained tools for system automation, technical
support utilities, and utilization tracking using Perl, PHP, C, and MySQL.
Meshworx, Inc. (Sr. Consultant,
11/00-11/01)
Mpower Communications (Sr.
Network Engineer, 7/00-11/00)
Primary Network Communications (Co-founder, Sr. Network
Engineer, 10/98-7/00)
Advisorlinks.com (Co-founder, programmer, 4/97-present)
|
|
Technical Experience
|
Transport Technologies/Protocols
Ethernet, ATM, DSL, ISDN,
Frame Relay, T1, T3/DS3, OC3, TCP/IP, BGP, OSPF, EIGRP, PNNI, PPP, SS7,
Q.931+
Programming Languages/Environments
C/C++, Java, Perl, PHP, Visual Basic/VBA, Pascal,
Assembler (68k, 6800, x86), SQL (MySQL, PostgresSQL, MS SQL Server, Sybase SQL Anywhere), MS
Access, Emacs, Unix make, GCC 2.x/3.x, ProDev, CVS
Hardware/Service Platforms
Accelerated Networks voice services gateways and IADs, ADC/CAC CSU and multiplexers, Adtran
CSU/DSUs and multiplexers, Cisco routers (all),
Cisco Catalyst layer 2/layer 3 switches, CopperCom
voice gateways and Class 5 (DTI) switch, Foundry layer 2/layer 3 switches,
Foundry application switches, Lucent (Ascend) access concentrators (MAX, MAX
TNT), Lucent (Ascend) access routers (Pipeline family, DSL Cellpipe), Lucent (Stratus) SS7 gateway, Marconi (Fore)
ATM switches (TNX/ASX), Netgear ISDN and LAN
products, PolyCom NetEngine
IADs, Redback Subscriber
Management System (SMS), Siemens access routers (Efficient Networks), Netopia access routers, NetScreen
firewalls
Operating Systems
Linux (all varieties), BSD (FreeBSD 2-4, BSD/OS 2.x) and
SysV (IRIX 5.3-6.2, Solaris 2.x-10, HP-UX 10.20),
Windows (9x/NT/2K/XP/2003), Cisco IOS, ScreenOS
Server Hardware
Stratus Continuum (model 412 fault tolerant severs),
SGI, Sun (Sparc, UltraSparc, Sparc64, RAID systems), Dell PowerApp/PowerEdge, HP/Compaq Proliant,
various desktop and server components (Adpatec, Mylex, Intel, Qlogic, SpectraLogics, etc)
Network Monitoring/Diagnosis Tools
NetXRay Ethernet sniffer, TTC Tberd 224
telecommunications test set, GN Nettest/WinPharoah
ATM and Ethernet capture/analyzer, Multi-Router Traffic Grapher
(MRTG), Cacti, HP Openview, Lucent Navis Suite, TCPDump, Ethereal/WireShark, Nagios
Software/Applications
Lucent
(Stratus) SINAP/SS7, Lucent (Ascend) ASG, Apache (1.0-2.x, mod_perl, Jserv, SSL, mod_auth), Procmail, Bind
(4.x-9.x), SMTP (Sendmail, Postfix, Exim, Qmail), Veritas Foundation Suite/VxFS,
Samba, IPFilter/IPTables, dhcpd,
ssh, Java JDK, Xwindows,
Netscape iPlanet Server, NFS, Emacs,
Virtual Network Computer (VNC), MySQL, PostgresSQL, Oracle
|