Roy C. Sigsbey

1704 Hermitage Drive
Round Rock, TX 78681
Phone: (831)915-0011


Computer Software Engineer/Analyst with many years experience in applications analysis
and development. Successful track record with a wide range of commercial software
companies and government agencies such as NASA and the Department of Defense, from
small projects to part of a team of engineers and developers. Built a reputation of excellence
with C/C++, UNIX and Linux, user interfaces, computer graphics and multimedia. Naturally
focused on getting the job done in a high quality manner.

Notable Accomplishments


AeroTek Inc.
Software Engineer at Oceaneering International, Inc., Austin, TX, April, 2014 - Present

Global manufacturer and operator of deep sea oil and gas services and equipment. Responsibilities included development, coding, and testing of ROV (remote operated vehicle) software.

Bally Technologies, Inc.
Firmware Engineer, Reno, NV, August, 2003 - June, 2013

Global maker of casino systems and slot machines. Responsibilities included development, coding, and testing of lottery games software.

Rosby, Inc.
President, Colorado Springs, CO, July, 1999 - August, 2003

Founded Rosby, Inc., a computer software and consulting services company. Responsibilities included new business development, management of client requirements, and providing customized solutions and services.

Contract Work
Software Contractor, Colorado Springs, CO, June, 1993 - July, 1999

Variety of analysis and software work conducted via contract with Princeton Information, Streffco Consultants, Space Applications Corp., EDP Contract Services, Telos Consulting, Add Staff, Compuware Corp., and National Systems & Research Co.

CAE-Link Flight Simulation
Software Engineer III, NTF, Falcon AFB, CO, May, 1991 - April, 1993

US military ARGUS real time command and control system simulator. Responsibilities included design for enhancements and maintenance of the US ARGUS system consisting of 2 Crays and 45 Silicon Graphics workstations.

Ford Aerospace Corp.
Senior Software Engineer, Colorado Springs, CO, November, 1985 - March, 1991:

US Department of Defense contract company. Responsibilities included an IR&D project for User Interface Research, US Army MCS system development, and acting network administrator.

Senior Engineering and Scientific Programmer/Analyst, Houston, TX, November, 1981 - November, 1985:

NASA contract company. Responsibilities included database and terminal presentation software for Shuttle Data Tapes, and, ultimately, lead software engineer for NASA Mission Control Center main large screen display replacement system.

Lockheed EMSCO
Programming Assistant, Houston, TX, August, 1979 - November, 1981:

NASA Space Shuttle Avionics Integration Lab (SAIL) - maintenance and development of systems.

Education and Training

Colorado Tech, Colorado Springs, CO
1996: Object-Oriented Programming Using C++
1996: The Java Programming Language
1991: Professional Certificate Program in Ada Programming
University of Colorado at Colorado Springs, Colorado Springs, CO
1987: Post-graduate work in Computer Graphics
University of Houston at Clear Lake, Houston, TX
1984-1985: Post-graduate work in Computer Graphics
1983: Bachelor of Arts Degree in Computer Information Systems
San Jacinto College, Pasadena, TX
1979: Associate of Applied Science Degree in Computer Science


  • C/C++
  • Unix/Linux
  • User interfaces
  • Computer graphics, 2D/3D
  • HTML and internet

30+ yrs
30+ yrs
20+ yrs
20+ yrs
15+ yrs
Also Experienced with:
  • SQL and database operations
  • Unix and Linux Sys Adm
  • Ada, FORTRAN, COBOL, Java
  • Assembly Lang., Machine Lang.
  • Windows 95/98/NT/Me/XP, OS/MVS

web pages by:

© Rosby, Inc.

Roy C. Sigsbey

1704 Hermitage Drive
Round Rock, TX 78681 USA
Phone:(831) 915-0011