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Street Address Buckskin Ct.Carbondale, CO Street Address
EMAIL AVAILABLEC-PHONE NUMBER AVAILABLESUMMARYReal-time Embedded C/C++/Assembly Design and Development.Software/ Hardware integration.Design and develop Datacom and Disk Test Equipment.Embedded command and control software.Developing and Coding Communications Software.X.25 Protocol.T1... Embedded Operating System installation, device drivers andcustomization pSOS.C/UNIX/LINUX software design and development. Avionics and Aircraftcommunications software,Satellite communications systems,Medical Test systems,Multimedia Software Design and Development.Design & implementation of microcomputer database and management systems|HARDWARE ||IBM 360, 370, PC XT/AT; VAX 11/780, 11/750; PDP 11/34, 45, 70; BURROUGHS 2700, 3700; ||UNIVAC 1108, 1140, 1180; VECTOR GRAPHIC 3, 4; GOULD 27/77,9000; TEKTRONIX 8560, 8002; ||SUN 3/50, 4/60, SPARCSTATION 10,20, Various Oscilloscopes & Logic Analyzers, Assorted ||ARM based SOC systems ||SOFTWARE ||Labview8.x, C, C++, PASCAL, BASIC, PL/1, COBOL, FORTRAN IV/77, python 2.7 ||Assembly languages: 8080, 8085, Z80, UNIVAC 1100, PDP 11/xx, 80XXX, 68XXX, 8048, ||8051,6811,6812 ||Authorware Professional, Director, Asymetrix Multimedia Toolbook, Photoshop, Media 100 || ||SYSTEMS/PACKAGES ||Windows 3.1/95/98/XP/2000/NT/VISTA, MS-PC/DOS through Version 6.2 , ||LINUX(embedded/Debian/SUSE/RedHat), UNIX System 5 & Berkley 4.2 , QNX, SOLARIS, ||UTX-32, TINX, MPX-32, DOS/VSE, VM, VAX/VMS, RSX11/M, RSTS, EXEC8, CP/M, MP/M, CP/M-86 ||AWARDS, PATENTS AND MEMBERSHIPS ||Co-holder of patent #4,641,207 36 claims "A Method for Testing Disk Drives" |PROFESSIONAL EXPERIENCESoftware EngineerUnited Launch Alliance - ULA. Centennial CO5/2019 - 12/2019Worked on both the RF Test System (RFTS) and the Electronic Test ControlUnit (ETCU)RFTSMigrated RFTS software from Solaris to Red Hat Linux to comply with theCommittee on National Security Systems (CNSS) standardsSoftware migration effort covered big endian to little endian byteconversion, graphic user interface improvements, and creation of newhardware driversModified QT interface and C++ support code for interfaceAll RFTS software modifications and enhancements followed the ULAestablished Agile Sprint modelETCUSuccessfully migrated and updated the real-time control and monitoringsoftware of the Atlas V Electronic Test and Control Unit (ETCU) RD-180Engine testbedResearched and solved many unexpected hardware and software issues such asbig endian to little endian byte swapping errors and VME board problems.Documented and extensively tested the migrated testbed software on the ETCUtestbedTransferred into Jira Xray and improved the existing ETCU test plansAll ETCU software modifications and enhancements followed the ULAestablished Agile Sprint modelSoftware EngineerNAVSYS. Monument CO1/2019 - 3/2019Added messages to Hybrid navigator GPS product.Developed drivers/setup/test procedures for several IMU for client usingHybrid navigator on their product. Built and added features to petalinux(xilinx) embedded OS.Code ReviewerSLI GLOBAL, Denver CO9/2011 -2/2016Reviewed for compliance to FEC and NY State standards C, C++ and C# votingmachine software.Also reviewed C++ software for state transportation management agencies(AASHTO)Software EngineerSKYLINE PRODUCTS INC., Colorado Springs, CO2014 - 2015Responsible for design and implementation of new features and bug fixes forthe highway traffic signs Sign Face Driver.All code was implemented on a ARM based SOC, using Debian LINUX and C/C++.GLOBAL WIRELESS TECHNOLOGIES LLC - Morris Plains, NJ9/2012 - 5/2013On an embedded LINUX based small cell board from Qualcomm and a RaspberryPI running Debian LINUX, I developed/modified the configuration system.Ported the processes to run on the rPI system.Developed a single and multiboard processor process status monitoringsystem.All code was written in C/C++.iBETA, Aurora CO10/2007 - 8/2010Reviewed for compliance to FEC standards C, Z80 and 8051 voting machinesoftware.Developed/refined the standards documents for the assembly languagesoftware.ADDITIONAL EXPERIENCESWISSLOG USA, Denver CO.Refactored existing pneumatic tube control C++ application running on aAM188ES to a Lantronix DSTni (80186) based system.Modified the system setup, PIO and memory mapped peripherals to run on thenew hardware configuration.Set up I2C based communications for EEPROM, LCD display, RTC, LED's, inputand output sensors.Created system maps and full system low level documentation fromschematics.Multimedia DeveloperILS BIO, Chestertown MDDeveloped for both web and CD delivery computer based continuing medicaleducation software.Production of these modules involved graphic/video/audio creation andediting as well as the Authorware programming.LEARNING SPECTRUMPresident and principal in multimedia production and publishingcorporation.Lead programmer and principal-in-charge for production projects.As lead software engineer for the company I also successfully completed thefollowing consulting/contracting jobs:INNOVATIVE SOLUTIONS & SUPPORT, Exton PAModified and added functionality to 6812 based flight instrumentation andflight data computers.All code was written in C/assembly language using the COSMIC tool chain anddebugged using the NORAL BDM system.Some of the modifications included using the 6812 onboard A/D to monitorthe power supply and flag the system if it went bad and output variousparameters altitude, airspeed etc. as scaled DC voltages to the othergauges in the system.All work was done to the DOB-178b standard.POSTAL INNOVATIONS, Fairfax, VACleaned up interrupt handlers and added new communications drivers to the68331 embedded software for a postal vending machine.Implemented an ICE based debugging system.The system was written in a combination of C & assembly on a PC and cross-compiled using the Tasking Intrametric tool chain.The net effect of the system cleanup was an unstable system was transformedto a stable one (less reboots etc.)AEROCOMM, Germantown, MDDesigned wrote & tested 16bit 68HC12 microcode for RF control applications.All code written in C/assembly language on a PC and cross compiled usingthe IAR tools then downloaded to the test hardware.Designed an embedded 6812/SBC PC embedded SyncroBus to TCP/IP converter.COMSAT LABS, Clarksburg, MDDesigned, coded & tested on a SUN SPARCSTATION a TCP/IP based groundstation, air to ground communications simulator.All code was in "C" using the GCC compiler and GDB for debugging.BIOPHARMA, Allentown, PAModified the embedded C++ code to use updated hardware for an 80286 basedblood analysis system.Modifications included sample sensing, mechanical timing and operating/usersystem interfaces.All code was developed using Microsoft Visual C++ and QNX operating system.COMSAT LABS, Clarksburg, MDProgramming for a satellite bandwidth-on-demand system.Wrote software for a hardware simulator, channel access control test, nvrammanagement and modified the ETHERNET driver software.Modified the x25 Link control software and generated modem test scripts.Project was hosted on SUN IPC workstations running SOLARIS and all code wasin "C" using the GCC compiler and GDB for debugging.LCC, Arlington, VAProgramming for a cell site transmission simulator.Developed signal strength calculation and handoff criteria algorithms.Project conducted on SUN Workstations using MOTIF Window manager as thefront end.All code was in "C" using the GCC compiler and XXGDB for debugging.DATA MEASUREMENT, Rockville, MDProgramming of serial communications & control for X-RAY thickness gauges.Developed a series of PC based real-time serial port command and controlprograms to test, run and configure the 450 & 800 series of X-RAY metalthickness test instruments.Debugged the pSOS operating system SCSI drivers on the gauges themselves inthe VME bus environment.GENERAL ANALYSIS, Boston, MAProgramming, design and implementation for horse muscle response analyzer.The project was PC-based using laptop parallel port for real-time datainput and analysis.Staff EngineerFREDERICK ENGINEERING, Columbia, MDResponsible for design, development and testing of PC based datacom testequipment.Developed a stand-alone high-speed (64kbps+) line data recording to diskutility for the FELINE/FELINE-XL datacom test products.Rewrote and increased the performance of the line driver interruptprocessing.Modified the BERT testing software to conform to G.821 standards.Wrote start-up/self-test, line driver initialization and interrupt handlingsoftware for a PC embedded 68302 based communications test device.Technical StaffTELENET COMMUNICATIONS US SPRINT, Reston, VADesigned, modified, installed and tested a version of the PSOS real-timeoperating system in the TP8000 & TP4/III 68020 based packet switches.OS modifications included inter-processor messaging, extended memory bufferhandling, system error processing and process timer alarms.Design EngineerATLANTIC RESEARCH, TELEPRODUCTS DIVISION, Springfield, VADesigned, developed and debugged datacomm test equipment software, addedextended addressing, modulo 128 and various loop-back to the X.25 testcapabilities of the COMSTATE II.Added fixed pattern BERT tests to the COMSTATE I.For the INTERVIEW 7000 series, configured the PSOS real-time OS, designedand implemented disk drivers, power-up bootstrap (including POST tests),screen drivers and T1 test setup including the embedded drivers thatinterfaced directly with the DS1 chip set.Technical StaffCOMPUTER HORIZONS, Piscataway, NJDeveloped and coded backup/failure restart communications software fortandem mainframes communicating over an X.25 protocol line.System ensured that the real-time databases of each of the systems weresynchronized during both recovery and system failure.Designed, developed and tested calculations and methodology outputsubsystems for a generic algorithm analysis system.Developed assembly language interfaces to MS-DOS which was called by PASCALprograms to complete fast disk file transfers.Vice President Software Design & Development - Information TechnologyA DIGITAL SOLUTIONS CORPORATION, College Park, MDManager of software phase of business operation including software andhardware integration.Duties included design and development of special purpose microcomputersoftware (note patent above).Other tasks included implementation of microcomputer database/managementinformation systems and microcomputer operating system CP/M modificationsand enhancements including device drivers.ProgrammerNATIONAL AERONAUTICS & SPACE ADMINISTRATION (NASA), Washington, DCDesigned, developed and tested a research grant management system.Generated systems tools and communications interfaces between non-compatible systems.Facilitated the interface between varied user needs and available systemservices.EDUCATIONSpeech & Political Science - Concordia College, Moorhead, MNComputer Science & Business Administration - University of Maryland,College Park, MDYourdon Real-time design and development course1999 ISO 9000 training/certified |
