Roy C. Sigsbey

7566 Lighthouse Lane
Reno, NV 89511
Phone: (831)915-0011
FAX: None
Email: rosby@yourwish.com
URL: http://www.yourwish.com/

A Computer Software Engineer/Analyst with 25 years experience in computer applications, user interfaces (including GUI, 3D graphics, multimedia, voice), HTML and Web development, operating systems, networking, and Unix/Linux system administration. Trained in, and experience with C/C++, Java, and Object Oriented Design and Methodologies. Also experience in hardware installation, configuration and setup of Windows/Unix/Linux machines for standalone machines and networks, and basic trouble analysis and reconfig of same.

Strengths: Unix(incl. Sys. Adm.) - 20+ yrs C - 20+ yrs C++ - 5 yrs XWindows/Motif - 17 yrs Open Inventor 3D - 5 yrs OpenGL 3D - 5 yrs HTML - 8 yrs SQL - 8 yrs

Experienced with: FORTRAN Ada COBOL Java Jovial Assembly Lang. Machine Lang. Linux(incl. Sys. Adm.) Windows variants OS/MVS OS/2

Work Experience Highlights

1. August, 2003 - Present
   Firmware Engineer (contractor, then employee)
   Bally Technologies, Inc., Reno, NV
   • Developing lottery and casino games and gaming solutions utilizing C/C++ on proprietary hardware running specialized versions of Linux.
   
   
2. July, 1999 - September, 2001 (10 days after 9/11):
   President (Self Employed)
   Rosby, Inc., Colorado Springs, CO
   • Various contracts for updates and maintenance of complex software systems. Inhouse facilities for UNIX and Linux software development, Internet consulting, and general computer consulting. Strong emphasis on 3D graphics development using C/C++, Unix and Linux, and Open Inventor 3D.
   
   
3. June, 1999 - July, 1999:
   Software Contractor
   Agency: Princeton Information, Colorado Springs, CO
   Client: IPS Meteostar, Inc.
   • Upgrades and fixes to weather map and data generation and display software, also primary system administration duties for UNIX and WindowsNT - UNIX, C, XWindows/Motif. About half of hours were performed from my office at home.
   
   
4. November, 1998 - June, 1999:
   Software Contractor
   Agency: Streffco Consultants, Inc., Englewood, CO
   Client: Micromedex, Inc.
   • Porting, enhancing and developing software related to medical information databases for display using HTML methods - UNIX, C/C++, HTML. About half of hours were performed from my office at home.
   
   
5. March, 1998 - September, 1998:
   Software Engineer/Analyst
   Employer: Space Applications Corp., Colorado Springs, CO
   • Graphics and user interface modifications to DOD modeling and simulation projects - UNIX, C, XWindows/Motif. This employment was performed entirely from my office at home.
   
   
6. August, 1997 - March, 1998:
   Software Contractor
   Agency: EDP Contract Services, Colorado Springs, CO
   Client: MCI, NGSN Development Group
   • Development of Graphical User Interface elements and supporting functionality - IBM AIX, DEC UNIX, C, XWindows/Motif.
   
   
7. April, 1997 - August, 1997:
   Software Contractor
   Agency: Telos Consulting, Colorado Springs, CO
   Client: Litton-PRC
   • GEODSS Modification contract, development of Graphical User Interface elements and supporting functionality - DEC Alpha, UNIX, Ada, XWindows/Motif.
   
   
8. July, 1996 - April, 1997:
   Software Contractor
   Agency: Add Staff, Colorado Springs, CO
   Client: Kaman Sciences
   • CCPDS-R maintenance contract, maintenance and modifications to complex architecture system - VAX-VMS and Ada.
   
   
9. July, 1994 - July, 1996:
   Software Contractor
   Agency: Compuware Corporation, Colorado Springs, CO
   Client: MCI, NetworkMCI Video Conferencing Group
   • Lead Engineer for the Reservation Scheduler software subsystem - RS6000, Unix, XWindows/Motif, Sybase 10, C/C++.
   
   
10. June, 1993 - January, 1994; March, 1994 - July, 1994:
    Systems Analyst
    Employer: National Systems & Research Co., Colorado Springs, CO
    • Design and updating of US Space Command Global Positioning Satellite ground control and status systems - Ada, JOVIAL, IBM AIX, OS/MVS.
    
    
11. May, 1991 - April, 1993:
    Software Engineer III
    Employer: CAE-Link Flight Simulation Division, NTB, Falcon AFB, CO
    • Design and updating of ARGUS real-time gaming simulator on a network of 2 Crays and 45 Silicon Graphics workstations - Unix, C/C++, FORTRAN, GL, XWindows/Motif.
    
    
12. November, 1985 - March, 1991:
    Senior Software Engineer
    Employer: Ford Aerospace Corp., Colorado Springs, CO
    • User/System Interface Rapid Prototyping System (USIPS) development for human/machine interface research (2 patents pending relating to this) - SunOS, IRIX, HP-UX, C, XWindows/Motif.
    • Part of development team for the US Army Maneuver Control System (MCS) E-Map transformation facility which converts Defense Mapping Agency (DMA) Advanced Digital Raster Graphics (ADRG) maps from CDROM's for use within the US Army MCS - HP-UX, C, ADRG, ISO-9660.
    • Acting system administrator for a network of 40+ workstations (mostly Sun Microsystems and some HP and Silicon Graphics).
    
    
13. November, 1981 - November, 1985:
    Senior Engineering and Scientific Programmer/Analyst
    Employer: Ford Aerospace and Communications Corp., Houston, TX
    • Lead software engineer for the design and prototyping of graphic systems for the Johnson Space Center Mission Control Center - UNIX and C.
    
    
14. August, 1979 - November, 1981:
    Programming Assistant
    Employer: Lockheed EMSCO, Houston, TX
    • Maintenance and updates to a series of real-time applications for the Shuttle Avionics Integration Laboratory (SAIL) machines - SEL 32/70, Digital Scientific META 4 (emulating IBM 1130), FORTRAN, machine language and assembly language.