Aerospace vehicle design, development, ADCS, GN&C,
modeling and simulation. Spacecraft control system dynamic analysis with
Gyroscope (CMG), and reaction wheel systems.Six degree of freedom (6 DOF) dynamic analysis.Missile Defense threat and
Ground system development, operation and mission
planning.System design and
development. Spacecraft operations and maintenance (O&M) engineering.On orbit test (OOT) design,
development, planning and implementation.
Engineering tool development in C/C++ Visual Studio,
MATLAB, FORTRAN, Excel, Windows, Unix.
Complex spacecraft attitude maneuver generation and
Small engineering group supervision.
College level teaching, recruiting.
hire, part or full time contracting or consulting
Developed and implemented unique navigation and
guidance algorithms that reduced propellant consumption and doubled
predicted spacecraft lifetime.
Developed innovative control CMG algorithm to recover
failing spacecraft. Received recognition from Air Force and Boeing.
GNC system conceptualization, dynamic and operations
analysis as member of successful spacecraft proposal team.
Aerospace vehicle dynamics, hardware modeling, simulation
and attitude control development.
Spacecraft ground system development and operations.
Spacecraft attitude guidance and maneuver generation
Broad knowledge of applied mathematical techniques
including numerical analysis, matrix, quaternion, Euler angle,
statistical, differential equation methods.
Engineering software tool development in C/C++, MATLAB,
Operating systems: SUN, Windows PC, Unix, Linux,
Tools: STK, MATLAB/Simulink, EASY5, DOORS, MatrixX,
SD-Fast, Satellite Orbit Analysis Program (SOAP), Microsoft Word, Excel,
Outlook, Powerpoint, Access.
Excellent written and verbal communication skills.
TS/SCI, DOD Secret
Masters ofScience Mechanical Engineering, San Diego State University
Bachelor of Science Aerospace Engineering,University of Colorado
Braxton Technologies, Colorado Springs, COOctober 2008 to present - Senior
GPS related Orbit Analysis, LADO
Spacecraft GNC and dynamic
Sensor, rate gyro, reaction wheel
modeling software development and analysis.
ITEC Aurora, COMarch 2008 to October 2008 – Contract Simulation Engineer
Contracting to Raytheon. Performing
trade studies and technology development in support of GPS OCX proposal
Analex Corp.Littleton, COJan 2006 to March 2008, at Schriever AFB, Missile Defense Agency
Simulation and modeling of medium
and long range ballistic missile threats and Missile Defense Agency
degree of freedom (6DOF) algorithms to be incorporated into simulation.
Created interface between Ground
Based Midcourse Defense (GMD) simulation and Satellite Orbit Analysis
Program (SOAP) for visualization and analysis.
Developed extensive MATLAB scripts
to analyze simulation and flight test results.
The Boeing Co.Denver, COJune
1989 to Jan 2006Principal Engineer
Developed gravity gradient momentum
dumping spacecraft guidance technique that more than doubled predicted vehicle
Conceived, developed and
implemented innovative control system concept utilizing two CMGs
following CMG failure; received $2500 Special Incentive Award from Boeing
and $700 Commander’s Award from the Air Force customer.
Participated in development,
testing and operation of large ground operations systems.
Led guidance and maneuver
generation team in support of system deployment, activation, on orbit
Conceived and generated multiple
spacecraft attitude guidance maneuver schemes to respond to anomalies,
system degradation and changing requirements.
Interfaced Satellite Orbit Analysis
Program (SOAP) with telemetry, command generation and analysis systems
for real time, playback and “what if” graphic visualization and analysis.
Provided system health monitoring,
anomaly resolution, momentum monitoringand management, ACS and CMG anomaly response.
Supervised small GNC engineering
Developed and taught spacecraft
subsystem and GNC courses to company and customer personnel with a wide
variety of technical backgrounds.
Wrote and presented paper at AIAA
Martin MariettaDenver, COJune
1986 to June 1989
modeling, control system design and development, operations analysis of orbital
vehicles, including SDI Orbiting Laser Battle Station, Manned Maneuvering Unit
and two major classified systems.
team preparing successful competitiveproposal for major aerospace vehicle; control system conceptualization
and preliminary design, guidance, navigation operational and mission analysis.
small engineering group.
technical monitor for three engineering analysis contracts.
unassigned awaiting security clearance, on own initiative, conceived and
developed interface between control analysis package, EASY5, and finite element
analysis package, NASTRAN, used for development of OSC/Martin Transfer Orbital
General DynamicsSan Diego, CAJanuary
1983 to June 1986
engineering analysis software to support development of Shuttle Centaur upper
structural dynamic response into vehicle deployment model.
large mass propellant fluid dynamics in micro gravity conditions; incorporated into
vehicle control system two body model.
analytical studies of two vehicle dynamics and control before, during and after
with Shuttle Astronauts concerning analysis performed.
college recruiting at Ohio state University and Brigham Young University.
Systems Center San Diego, CA January 1978 to January 1983
oDeveloped computer based data collection and analysis system for
torpedo engine testing.
oDeveloped real time
computer engine simulation.
oActed as technical
monitor for contractor developing and testing MK-50 torpedo propulsion
oSupervised and developed digital image analysis software for two
phase flow experiment, presented paper.
oSupervised high pressure testing of underwater vehicle components.
1980 to June 1981
instructor.Taught two semester
hour course: Engineering Analysis, anIntroduction to Use of Computers to Solve Engineering Problems.
Stability Problem Encountered Modeling Large Liquid Mass in Micro Gravity”,
Presented at the AAS/AIAA Astrodynamics Specialist Conference, August 1993,
Victoria, B.C., Canada