Edward E. Buchwalter Email & Phone Number

Bellevue, Washington, United States

Responsible for all aspects of company operations.

Bellevue Washington

The Cloud Utility District (www.cloudutilitydistrict.com) is a SaaS utility for the Internet of Things (IOT) and Machine to Machine (M2M) Communications. Like a 20th century Public Utility District (PUD) provides water, electricity, and natural gas, CloudD is a 21st century computing utility for operational data, sensor connectivity, network communications, and data services.

Greater Seattle Area

Design and implementation of dynamic channels (ad-hoc groups) for the WAVE engine for WAVE OnCloud Push-To-Talk service.

Seattle, Wa

Responsible for new features and enhancements to core components for Twisted Pair's Wide Area Voice Environment (WAVE) product line.Current efforts focus on performance and scalability improvements to core enterprise components and the launch of WAVE Connections, Twisted Pair's cloud based Mobile Push To Talk (PTT) solution. Project and development lead for U.S. Army PEO-I Radio Voice Crossbanding System (RVCS). Implemented major enhancements to WAVE engine including secure SIP (AS-SIP/SRTP), RFC-2198 RTP Payload for Redundant Audio Data, and mesh network protocol enhancements. Responsible for updates and support of scons based automated build system for all WAVE products.Consultant 8/07 - 3/09Responsible for port of WAVE Engine to Red Hat LINUX for the U.S. Navy’s DD(X) destroyer communication system. Responsible for new features and enhancements for WAVE Engine versions 3.0 through 4.5.Senior Software Engineer 9/04 - 7/07Responsible for architecture and development of the WAVE engine and WAVE SDK. The WAVE engine supports wide area voice and data communications for critical infrastructure. Supports sophisticated audio processing, status and presence information, SIP and H.323 IP telephony. Development in C/C++ on Windows and POSIX platforms using appCORE 3.0. Led project “Bedrock”, the organization of the development infrastructure, source control system, automated build system, and departmental documentation.

Bellevue Washington

Visual Show Director 7.0Program update to support Windows 7.Visual Show Director InfrastructureOn-going support to build and release system.Visual Show Director 6.0Interface Show Director to 3D graphics component for real-time show visualization.Show Director 5.0Major upgrade to Show Director V4.0 to include improved Event and Effect filtering and sorting, improved controller download interface, breakaway toolbars, updated menus, updated VB components, support for multiple Firing Controllers, and new setup program. Software in Visual Basic 6.0 and Visual C++ using Win2000.Show Director 4.0Design, implementation, and on-going support of ShowDirector, a Visual Basic/C program to choreograph event based shows requiring precision timing (SMPTE), specifically for pyrotechnics and special effects shows. Interfaces to the Pyrodigital Field Controller. Software in Visual Basic and Visual C++ using WinNT. Program is used world-wide by major Pyrotechnic show designers and producers.

Bellevue Washington

Software development in support of synthetic vision system for a prototype helicopter landing system. Software development in C/C++, using Open GL, WIN32, and POSIX interfaces.

Responsible for system design and architecture. Software development of embedded communications and weather systems using LINUX software on X86 and ARM 9xx based hardware.

Responsible for re-design of Board Support Packages for Windows CE on ARM920, ARM926, and SMD2410X processors.

Bellevue Washington

Automated Securities Trading System (ATS):System architecture, software architecture, and implementation of real-time, Automated Securities Trading System. Capable of processing all Time and Sales information for complete exchanges (NASD, NYSE). Implementation of market data interface, rule based trading strategies engine, position manager, and account manager. Executes on multiple Sun computers organized in a processing pipeline. Software in C/C++, utilizing appCORE 2.0 on Solaris 8. Java based system management and control consoles.

appCORE 2.0 POSIX/WIN32 Application Framework:Development of appCORE, an application framework for Solaris, LINUX, and Win32 systems. appCORE provides rapid application development via a standard, message based, multi-threaded, process architecture. Inter-process and inter-thread messaging, network client and server threads, timer services, command interface with Java console support, error and event services, software trace services, and a multi directory build infrastructure.

Bellevue Washington

Implemented Airborne Data Server Air-To-Ground interface protocol to on-board Air Terminal. Ported Telenetworks ISDN Layer 2 and Layer 3 protocol stacks to LINUX/appCORE environment. Implemented Layer 2 interface to Ariel’s 32 port modem hardware for aircraft cabin dial-in capability. Revised LINUX network packet driver for improved stability and performance. Software in C, utilizing appCORE 2.0 on LINUX.

Bellevue Washington

Project management, software architecture, and implementation of Ground Data Gateway, an infrastructure platform to manage ground based TCP/IP traffic to aircraft via AT&T’s North American RF network (NATS). Designed to support multiple network connections to hundreds of aircraft simultaneously. Software in C/C++, utilizing appCORE 2.0 on Solaris 8.

Bellevue Washington

Design and implementation of Infrared Network Bridging Server (IRLANB.SYS) device driver for Windows NT, Version 5.0. Bridging driver and the IrDA protocol extended LAN to IrDA capable devices. Driver implemented a TDI client to the IrDA stack and an NDIS interface to Network Interface cards. Software in C using NT DDK.

Bellevue Washington

Project management, software architecture, implementation, and documentation of Point-to-Point Protocol (PPP), and Remote Access Server (RAS) API for Windows CE 1.0 operating system. Embedded software in C using NT.

Bellevue Washington

Responsible for pSOS port to 68360 based hardware, design and implementation of project infrastructure for pSOS based application. Design of software architecture, task layout, and implementation of main antenna switching control software. Embedded software in C on WIN95 using SDS development tools.

Bellevue Washington

Subcontractor responsible for all TCP/IP based network communications for the Plant Management System at the Department of Energy’s Waste Receiving and Processing facility at Hanford, Washington. Responsible for software architecture and implementation. Responsible for Interfaces to all major system components. Interface to Allen-Bradley Programmable Logic Controllers using NetDTL socket interface. Interface to HP’s RTAP Industrial Enabler Package. Software in C on HP Series 9000/E45 (HP-UX) system.

Bellevue Washington

Responsible for communications software for Cellular Digital Packet Data (CDPD) mobile device. Ported Alcatel’s Portable Streams Environment and CDPD protocol stack to pSOS+ environment. Design and implementation of Streams based DSP and cellular radio drivers, design and implementation of management entity for CDPD protocol stack. Software in C using HP emulator and XRAY for pSOS+ on Sun workstations.

Bellevue Washington

Produced system requirements, software requirements, and implemented major subsystems for the AirOne Cabin Telecommunications Unit, an airborne PBX, based on a modified Summa Four SDS 500 digital telephony switch. Software in C using VRTX/Velocity on Sun workstations and AMC emulators on multiple MC68030/68302 processors. Interfaced and coordinated with multiple vendors and provided project level leadership.

Bellevue Washington

Proximity Switch Sensing System - Boeing 777:Specified system design for ARINC 629 and 429 communications subsystems for Proximity Switch Sensing System for Boeing 777. Provided and reviewed ATE system requirements for same.Proximity Switch Sensing System DO328/Canadair RJ 8/90-4/92:Designed and implemented major software subsystems for the flight critical, Proximity Switch Sensing System for Dornier’s 328 Regional Aircraft and Canadair’s Regional Jet to enable the product to meet system requirements and delivery schedules. Was leading member of third, and final, software development team. Software in C using DOS hosted cross compilers and Intel ICE-96 emulators for four processor box. Generated hardware/software integration tests for project ATE. Software development to DO-178B flight critical standards.

Analysis and enhancement of software for Aircraft Communications Addressing and Reporting System (ACARS) to improve performance, facilitate functional testing, verification, and maintenance. Software in C using USX RTOS with PC based cross development tools.

System specifications, test plans, sofware design documents, software implementation of a fault tolerant communications switch for the City of Santa Barbara's Police Department. Designed and implemented an 'on-line' forms system capable of run-time form design, installation, and execution. Utilized compiler, interpreter, and virtual machine techniques.

Design and development of a fully digital, control system for multiple, synchronized, large horsepower DC motors on VME hardware. Digital design of bus interfaces. Analog design for control signal acquisition. Employed system modelling and simulation techniques for digital controller design. Software in C using PDOS RTOS. Researched methods for control of variable frequency AC drives using digital control of PWM power converters.

Control systems analysis and design for 757-767 autopilot design staff for fully digital 767-200 autopilot. Focused on CAT IIIB auto-land pitch axis. Performed software verification and validation for FAA flight critical certification. Supervised Collins Avionics for accuracy and correctness of software implementation.

Ithaca, New York

Created and updated software for Cornell's graduate level control systems laboratory. Created and integrated new experiments into curriculum. Maintained Computer Aided Control Systems Design (CACSD) software on VAX 11/780.

Mountlake Terrace, Washington

Industrial control systems for wood products, materials handling, food processing, and nuclear waste disposal. Performed project management, system hardware design, software design and development, panel design, fabrication supervision, system integration and test, and on-site start-up. Comprehensive experience with Programmable Logic Controllers. Prototype development of a digital DC motor drive system on VME hardware.

Msee, Electrical Engineering

Specialized in System Theory, Digital Control Theory & Classical Control Theory

Bsee, Electrical Engineering

Specialized in System Theory and Classical Control System Theory