Helen T. Garey
P.O. Box 2036 
Canyon Country, CA 91386 
 
htg@afn.org
 
References available on request.

Education

Work Experience


jGuru.com Menlo Park, CA
May 2000 - present
Contract Work

Network infrastructure upgrades and migration; systems administration and support.

TRW Space and Electronics Redondo Beach, CA
October 1999 - present
Contract Work

Configuration and testing of multilayer switching technologies for load balancing, redundancy, and traffic segregation.

Ziff-Davis Events Foster City, CA
August 1999 - September 1999
Contract Work

Plan and deploy portions of the Networld+Interop Event Network. Responsibilities include parallel out-of-band management network which utilizes terminal servers for serial console management, and deployment to off-showfloor locations.

Accelerated Networks, Inc. Moorpark, CA
July 1997 - September 1999
Firmware Developer

Design, develop, and maintain firmware for high-speed wide-area network access devices, with emphasis on customer premises equipment. Processors include Motorola 68360, MPC860SAR. Develop specifications for and implement software modules which integrate with vxWorks code base, including a custom forwarder module. Contribute to system-wide design, with emphasis on implementations which use existing and emerging standards.

More Details:

Development

On the original software design team for the Accelerator product line. Helped to develop data models and architectures for always-on technologies to parallel the current PPP/dialup paradigm in use by ISPs. Also helped to develop network architecture models and implementation plans Dynamic Service Selection (DSS), which is a key requirement in the ADSL Forum RFP.

Further work in the DSS area included the creation of a custom forwarding module to be implemented in the CPE. This module was written to integrate with the vxWorks SENS library, and provides a custom set of forwarding rules based on DSS connections. The forwarder module also includes a custom ARP handler for enhanced security and spoof prevention.

Moved to Protocols group, which provides data support for layer 2 and above. Group projects include NAT and NAPT support, which required modifications to the forwarder module and the vxWorks IP stack.

Driver development and enhancement for serial and Ethernet communications. Processors include Motorola 68360, MPC860SAR. Continuing work on performance enhancements at the driver and system level, with some emphasis on layer 2 switching. More continuing work on enhancements to vxWorks IP stack.

Network/System Administration

Responsible for design, deployment, and maintenance of first phase internal LAN and Internet connection. This included general Windows NT server maintenance and some desktop support. It also included daily maintenance and minor system administration of internal and external info servers, which provide primary DNS, SMTP, POP3, HTTPD (Apache), FTPD (WU), SSH, RADIUS, and NNTP (INND) services using Solaris 2.5.1 platform. Performed troubleshooting of issues concerning client access to info servers. Assisted in installation and provisioning of analog dialup services for remote access. Administered PBX. Coordinated and performed move of external connectivity and info servers to new site with minimal downtime.

Assisted in design of second phase internal LAN, including making recommendations for IP address allocation issues and improved remote access. Continued support and troubleshooting of of services provided by info servers.

Participated at Networld+Interop as a NOC team member, providing Accelerated Networks with increased visibility as a contributor in addition to the Best of Show winner. Also gained hands-on experience with other vendors' carrier-class equipment.

Back to top

Sourcecom Corporation Westlake Village, CA
August 1995 - July 1997
Software Developer

Develop and maintain firmware for LAN/WAN bridge/router products, including support for IP and IPX routing. Processors include Motorola 68302, 68EN302, and 68360. Lead developer for G3 product group, responsible for developing specifications and designs for custom OEM products. Design and modify software modules for standards compliance(RFCs). Developed 68EN302 firmware as alpha test site for Motorola. Performed throughput testing and performance optimization for G3 product line to meet customer requirements.

More Details:

Development

Lead developer for the G3 group, which provided an embedded bridge/router solution to OEM partners. Primary technical customer contact for Westell, Netspeed, and Nokia. Designed and developed custom implementations for each customer, with emphasis on device management mechanisms.

Performed porting and integration for the 68EN302 for alpha partnership with Motorola.

Significantly increased the standards compliance of existing code base, especially concerning RFC1812 and RIP issues.

Made significant improvements in system performance, largely at the driver level. Verified and quantified performance results using the Wandel & Goltermann DA-30.

Network/System Administration

Responsible for some system and network administration, with emphasis on maintenance of IP-based services for the internal LAN and external Internet connectivity. IP services provided on Linux Intel platform. Provided booth support at trade shows.

Participated at Networld+Interop as a volunteer and a NOC member, providing Sourcecom with significant PR benefits.

Northeast Regional Data Center University of Florida 
March 1994 - July 1995
Senior Engineer, Teleprocessing

Installation, configuration, troubleshooting, and maintenance of network equipment used in support of the Northeast Regional Data Center and the Internet point of presence for the University of Florida’s class B network. Facilities also included 100+ dialups, 300+ WAN links, and support of the statewide educational SNA network.

More Details:

Contribute to the design, research, and technical expertise in LAN and WAN network system design for departments at the University.

Troubleshooting and maintenance of network devices such as routers, terminal servers, and intelligent hubs. Resolution of problems of the more complex teleprocessing- related nature, using tools Network General's Distributed Sniffer Server, UNIX-based tools such as NetView 6000, netstat, and traceroute, and ad hoc DOS and UNIX software tools.

Design and development of network diagnostic tools, including the upgrade and maintenance of the DOS-based tools developed at my previous job. These include an IP RIP monitor and ICMP interrogator. Current project is WinSock/native Windows implementation of the ICMP interrogator. Prototype diagnostics using shell scripts and log files.

Installation and maintenance of network diagnostic and monitoring tools. DOS-based tools include NetWare Management System, Total Control Manager for the USR Total Control Enterprise Network Hub, and five Network General Distributed Sniffer Servers (Token Ring and Ethernet). UNIX-based tools include the Network General Distributed Sniffer Console for which I also installed the platform and Solaris 1.1.1b.

Specification, installation, and maintenance of a multi- purpose dialup and network monitoring platform under Windows. Applications include LAN WorkPlace 4.2, WinSock NTP client, NetWare Management System, Total Control Manager, Procomm Plus for Windows 2.11, ADSM Backup Utility, and the prototype WinSock ICMP interrogator.

Evaluation and recommendation of new technologies, including RMON probes and their respective DOS and UNIX user interfaces.

Installation and maintenance of NetWare 3.12 file server for general purpose use. Features of this server include IP, IPX, and Appletalk routing from Token Ring to Ethernet, FTP access, and print queue services.

Field and telephone support of statewide SNA network. Support of 100+ dialups, including channelized T1's.

Back to top

Department of Zoology University of Florida
November 1993 - April 1994
Contract Work

Designed and delivered an interface device for a rotary encoder to a PC serial port, based on the Motorola 68HC11 controller. Met existing software and hardware specifications for compatibility.

UFNet University of Florida
October 1992 - March 1994
Network Programmer

Design, development, and implementation of hardware, software, and media to support campus data and video networks, including DOS-based IP RIP and ICMP diagnostic tools.

More Details:

Performed thesis research in network management, concentrating on IP protocol suite. Wrote PC-based IP management tools including an IP RIP history monitor and an ICMP-based connectivity status interrogator. Both programs written for use with Clarkson packet driver and developed using Borland C/C++ 3.1.

Prototyped a PC-based weather data imaging application, which collects current weather data and imaging from sites on the Internet. Resulting data and images are displayed in a foreground Windows slide viewer and converted to NTSC for broadcast on the campus CATV system (UFNTV). Application which fetches new files is written in C++ and is a Windows application.

Created front-end software and interface to update a 1978 20 X 20 video sitching matrix. Resulting product provides enhanced functionality and replaces 20 keypad input modules and a decoder.

Designed and prototyped a controller circuit for satellite dish polarotor.

Analysis of facility networking requirements, design of network infrastructure, and installation of fiberoptic and coaxial network equipment. Implementation of PC-based network monitoring facility for campus backbone. Diagnosis of campus-wide routing configuration and hardware faults.

Back to top

Pediatric Oncology Group (POG) Gainesville, Florida
June 1992 - October 1992
Computer Programmer Analyst

Enhanced the PC-based POG Distributed Data Collection System. Generated selection criteria and evaluated off-the-shelf solutions for its replacement.

Microtronics, Inc. / Oxford Instruments Gainesville, Florida
November 1987 - March 1992
Systems Engineer

Design and development of hardware, software, and documentation to support the Sleep Analyzing Computer, including Intel 8097 based IBM-compatible SAC real-time acquisition board and associated firmware. Also responsible for technical training and technical support.

More Details:

Specified computers and subassemblies for production of Sleep Analyzing Computer (SAC). Evaluated new devices and vendor substitutions. Defined all system test procedures.

Designed IBM compatible SAC real-time acquisition board based on Intel 8097 microprocessor. Implemented 16-bit PC/AT bus interface. Created burn-in and test procedures.

Supervised production and manufacturing. Supervised design and implementation of SAC multichannel EEG/transducer amplifier.

Produced all schematics and PCB artwork. Designed all PCB layouts.

Provided hardware/firmware technical support. Made field service trips for installation, service, and upgrades, including installation of 10-station StarLAN Sleepsmith at the University of Michigan, Ann Arbor and service call to Queen Elizabeth Hospital in Adelaide, South Australia.

Provided technical support training to customers and in-house service staff. Wrote the SAC Service Manual.

Wrote 8097/80x86 assembler and C programs for system calibration, real-time data acquisition and playback, analog/digital diagnostics, SAC board power-up and monitor firmware, and in-house utilities.

Documented inventory and bills of materials. Produced purchase requests for electronic components and computer peripherals. Supplied lists of possible sources for parts. Expedited urgent parts requests.

Sabine Musical Manufacturing Co., Inc. Gainesville, Florida
May 1986 - May 1987
Assembler, R & D Assistant

Schematic diagramming and fabrication of prototype circuit boards. Assembly of electronic metronomes.
 

Back to top

Work-Related Experience

Networld+Interop:

iLabs Multicast Team Member

Las Vegas 2000
InteropNet Team Member
Atlanta '94 - '96 and Las Vegas '95 - '96
Network Operations Center Team Member
Network Services - Las Vegas and Atlanta '97
xDSL Technologies - Las Vegas and Atlanta '98
Out-of-band Mgmt./Off-showfloor - Atlanta '99
September 1994: UF Computer Fair co-chair, improvising and supervising network connectivity for all vendors.

August 1994: Alachua Freenet volunteer, including terminal server configuration and management, physical installation of communications gear.
 

Back to top

Computing Proficiency

  • Programming
  • Network Tools/Hardware
  • Protocols and Transports
  • Platforms
  • Operating Environments
  • Other Applications
    •

    Programming:

    Network Tools/Hardware:

    Protocols and Transports:

    Platforms:

    Operating Environments:

    Other Applications:

    Back to top

    Training

    Tutorials & Seminars:

    October 1999: Attended Netcom Systems' Multilayer Switch Testing and Analysis Seminar given by Mr. Angus Ma.
    March 1997: Attended Motorola CopperGold technical seminar given by Ray Moshiri of Motorola.

    March 1997: Attended Firewall Seminar given by ON Technology.

    January 1997: Attended TI C6x DSP satellite broadcast seminar which provided preliminary technical information on the TMS320C6x DSP.

    July 1996: Attended Motorola seminar including sessions on ATM, broadband access, and ADSL solutions using Motorola technology. Speakers included Phil Grove, Ben Bacque, and Jack Issa.

    March 1995: Attended "Theory of Bridges and Routers: Internetworking Protocols" tutorial given by Dr. Radia Perlman at NetWorld+Interop Las Vegas.

    April 1995: Attended "CNE Boot Camp" tutorial at NetWare Users International conference in Orlando, Florida. This tutorial was taught by David Clark, the author of The Clark Tests.

    January - April 1995: Attended "Computer Communications" course at University of Florida. Course content emphasized ISDN, LAPB and LAPD, HDLC, 802.3, 802.4, and 802.5.

    September 1994: Attended "Management with the Simple Network Management Protocol (SNMP)" tutorial given by Dr. Jeffrey Chase at NetWorld+Interop Atlanta.

    June 1994: Attended Network General Quickstart Course for Ethernet.

    January - April 1994: Attended Hardware/Software Engineering course at University of Florida. Produced hardware and firmware for a Motorola 68020-based controller card.

    1993 and 1994: Attended Novell developer's conferences, including sessions in the following areas: protocol architectures; NetWare routing and routing protocols (RIP, SAP, NLSP); NetWare and IP; WAN technologies; NMS and LANalyzer for Windows; ODI; NetWare, NMS, and Windows development; UnixWare; Token Ring.

    July 1993: Attended short course on broadband video given by A. S. Johnson.

    Back to top

    Other Skills

  • Communications
  • Leadership
  • Physical Layer
    •

    Communications Skills:

    I have experience in writing technical and training manuals, as well as performing technical training presentations. Many of my day-to-day communications tasks are accomplished or verified using e-mail, which I prefer because it can be archived and referenced later.

    Leadership:

    Several of my past positions have included supervisory responsibilities. As a team leader at Networld+Interop, I have been responsible for organizing and supervising small groups of volunteers, as well as coordinating with other groups and facilities personnel at the venue. At Sourcecom, I was the team lead for the G3 development group.

    Physical Layer:

    I have experience in installing and terminating most types of network media, and the ability to learn new skills in this area quickly. I also have experience in installing many types of equipment in various environments, ranging from climate-controlled machine rooms to facilities mechanical closets.

    Back to top

    Affiliations

    Back to top