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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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. .
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Managed delivery
of carrier services and partner best-practices to establish international
availability of SAVVIS services via CLEC-provided DSL networks. Directed all
training and deployment resources, and provided technical guidance for
establishing inter-carrier connections. Created and managed internal turn-up
processes for early release products.
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Provided product
direction and technology validation for home-grown next-generation integrated
access devices, including virtual routing, traffic management, and VOIP
features.
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Maintained
vendor relationships for current and future backbone, edge, and enhanced
services products.
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Working with a
technology partner, designed the deployment of a private VoIP
network offering global availability, high levels of availability, and robust
advanced intelligent network features. Created all technical and supporting
information consolidating engineering design specifications, vendor
documentation, internal procedures, and in-house development requirements.
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Routinely
validated products and equipment in a diverse network environment mixing
technologies such as ATM, Frame-Relay, POS, Ethernet, L2TP, and PPP,
employing various testing tools, protocol analyzers, scripting, and traffic
generation utilities.
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.
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Designed,
installed, and implemented a 600 seat call center network in Montego Bay, Jamaica. Coordinated all aspects
of circuit delivery
and turn-up, network hardware installation, and operations training. Provided
trouble-shooting and support for deployment of NeoWare
Citrix terminals, PSO SoftPhone, Avaya Definity Multivantage switch,
and connectivity to the Sprint GeoTel network.
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Advised the
design and planning for a regional SoftSwitch
interconnection deployment. Participated in many areas of capacity planning,
process management, and carrier negotiations.
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Designed
wireless network applications for a potential mid-west WISP. Responsible for
all aspects of technology research and deployment.
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.
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Planned and
executed the migration of web-hosting network of over 100 servers, routers,
switches from Cincinnati, San
Diego, and Seattle to St. Louis, including
restoration of network availability and hosting facilities.
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Participated in
creation and deployment of new products. Products included
Metro-Area-Networks, CPE firewalls, shared hosting and collocation security
applications. Customer applications included banking services, online
directory services, independent airlines, and video production companies.
Security products used Linux-based firewalls, host-based packet-level
filters, and router-based access lists.
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Managed the
migration of the ISP network from 100bt to a Gigabit Ethernet core using
Cisco 7200 VXR routers and Extreme Networks Summit aggregation switches. The
project included extending the iBGP peering, OSPF
areas, and HSRP nodes to include aggregation-level devices for better drain
utilization and resiliency.
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Performed
exhaustive update and consolidation affecting all service areas including WAN
topology, BGP peering, and local routing using OSPF. Migrations included
consolidation of a Fore/Marconi based ATM backbone to include DSL and MAN
applications. Cisco based DSL aggregation provided PPPoA,
PPPoE, and bridged/VLAN services.
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Maintained and
updated a cluster of 30+ Unix (Linux, Solaris) and
Windows machines. These systems are used for security, consumer services (smtp, pop3, dns,
web), network monitoring, and usage/notifications applications. Servers
included a custom mail system of separate filtering SMTP servers, local
delivery, and POP3 servers. Extreme and Foundry gear provided load balancing,
enhancing network reliability and scalability.
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Authored a
traffic analysis and security package using a custom Cisco Netflow processor. The C back-end and Perl/CGI front-end
provided network and packet-level summary and statistics. Extended and customized
a PHP-based real-time DNS management system.
Distributed C and Perl scripts managed system and configuration files
multiple companies and as many as 14,000 domains. Created a web-server
management system using a combination of Perl, shell scripts, PHP and SQL.
Dynamic runtime Apache configuration files, MySQL,
and server-specific utilities managed accounts, permissions, and processes
for 3000+ sites across multiple servers and operating systems.
Meshworx, Inc. (Sr.
Consultant, 11/00-11/01)
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Created interactive
planning tools for a Voice over DSL, Class 5, and Soft Switch vendor. Based
in Excel/VBA, the tools allow thorough business case analysis and cash flow
projections for a variety of scenarios and networks.
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Contributed to
white papers and technical overviews of DSL provisioning processes for programmers/designers
creating provisioning software systems.
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Provided
consultation, support and problem resolution for remote access platforms,
ICD/Softswitch issues, SS7 design, and Class 5
deployments.
Mpower Communications (Sr.
Network Engineer, 7/00-11/00)
Designed, planned, and
managed networking related projects. Duties included both
voice/interconnection design, data network projects, and product
research.
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Assisted in
migration and integration planning for merging Primary’s regional network
with Mpower’s national network. Provided cross
training for network platforms including DSLAMs,
DSL SMS, and ATM switches.
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Conducted
research and lab tests for Voice over DSL platforms for the MOKA region
integrated services deployment. Created and executed test plans working
closely with vendor resources, including current and pre-release products,
taking into consideration product features, maturity, and roadmap.
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Provided
technical and procedural guidance to national Class 5 switch deployment
program managers. Worked with vendors and internal managers to develop
timelines, design requirements, and benchmarks.
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Managed
interconnection negotiations for Mpower’s Class 5
deployment with Southwestern Bell for the St. Louis
and Kansas City, MO markets. Was responsible for network
design, E911 and trunking requirements, and NXX
acquisition and activation.
Primary Network Communications (Co-founder, Sr. Network
Engineer, 10/98-7/00)
Co-founded in 1998 as BroadSpan
Communications to provide advanced DSL services. Contributed to the entire
process of establishing a functioning startup including incorporation, fund
raising, pro-forma development, market research, technology research, and
budgeting. Served as Network Engineer throughout the lifecycle of product
creation and deployment.
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Built an
Internet Call Diversion (ICD) product, using the Stratus SINAP SS7 and Ascend
ASG platforms, HP-UX fault tolerant systems, and Lucent Max TNT. Guided all
areas of product creation including business case analysis, product
definition, technology research, network design, turn-up/implementation, and
operations hand-off.
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Managed multiple
regional CLEC interconnections with Southwestern Bell
for the purpose of exchanging interlata and intralata traffic.
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Developed a CDR
processing system for inter-carrier billing built on Sun servers and MySQL fed by custom Perl and shell tools.
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Designed and
prototyped DSL and RAS aggregation scenarios for wholesale products using Cisco
or Redback platforms for L2TP or PPPoE via Frame Relay or ATM.
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Created a fully
redundant regional management network used for managing DSLAMs , ATM aggregation,
and Q.931+ signaling. Utilized OSPF and HSRP over TDM and ATM for to sustain
losing multiple links.
Advisorlinks.com (Co-founder, programmer, 4/97-present)
Created a web-based system for the presentation of
complex calculations. Written in Perl, the system utilizes SQL for session
persistence and a template system to translate the results into an online
tool. Current applications include a suite of personal finance tools for
clients such as AmFunds and Transamerica Insurance.
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