Summary of Qualifications
Aerospace engineer with broad knowledge of aerospace vehicles, subsystems, and the interaction among them. Specialized knowledge of navigation and control (GN&C) systems. Over 20 years of diverse experience spanning the lifecycle of highly successful programs, with 17 years on NASA’s International Space Station, including spacecraft Guidance, Navigation, and Control systems; sustaining engineering and spacecraft mission operations; flight software verification; hardware procurement; integrated vehicle performance; end-to-end system verification; and mechanical design.
TOP SECRET/SCI/SSBI 05/2009
CI Poly 05/2007
Expertise and Critical Contributions
Organized and lead multi-disciplinary team spanning vendor, prime contractor, and government organizations at multiple sites to redesign, rebuild, test, deliver, and integrate NASA’s International Space Station control-moment gyroscope qualification unit as a flight-worthy spare. Built enduring positive relations among government customer, prime contractor, and vendor organizations.
Improved system performance, health and safety by identifying and resolving anomalous signatures and adverse trends in spacecraft GN&C operational hardware, improving processes and interfaces and optimizing performance.
Defined and executed Design Analysis Cycles for International Space Station. Developed Design Reference Missions and defined analytic baselines for design and mission. Gained commitments for analyses and negotiated delivery schedules from geographically and organizationally disperse engineering community. Integrated analysis results across diverse engineering disciplines and mission phases. Resolved complex multidisciplinary issues among stakeholders. Impacted design requirements and mission definition.
Verified International Space Station Guidance, Navigation, and Control flight software interfaces and requirements using test, observation, demonstration, and analysis of Mil-Std-1553B bus data in integrated hardware/software laboratory. Hardware-in-the loop testing using real-time simulations. Developed MATLAB analytic tools for the reduction of data captured using Protocol and Simulation Software (PASS). Maintained test data and history of anomalous behavior.
Experience & Work History
2004 to Present - Flight Control System Analyst, Boeing-Colorado
Provided direct support to flight operations, test, anomaly resolution, and vehicle recovery. Performed trending and analysis of vehicle attitude determination and control systems, periodic subsystem health and integrity checks, command path verification and sensor calibrations.
1999 to 2004 – GN&C Systems Engineer, Boeing - Houston TX
Provided direct support to launch, check-out, and sustaining engineering for GN&C subsystem of International Space Station. Performed subsystem trending and characterization. Identified root-cause and resolved on-orbit issues with flight software performance.
1994 to 1999 - Senior Systems Engineer, Boeing – Houston TX
Lead Sustaining Engineering and Operation efforts of Vehicle Integrated Performance team for ISS. Lead and focused sustaining engineering planning and task definition. Performed systems engineering analyses, coordination, and resolution of complex multidisciplinary vehicle performance issues.
1991 to 1994 - Flight Systems Engineer, Grumman Aerospace, Houston TX.
Implemented Design Analysis Cycles for International Space Station. Defined baseline missions and designs. Gained commitments for analyses from diverse engineering community. Integrated analysis results into requirements and operational constraints. Resolved complex multidisciplinary issues. Impacted system design and mission definition.
1987 to 1991 - Design Engineer, Grumman Aerospace – Houston TX
Performed system-level analysis and derived system-level requirements for various critical resources (i.e. weight, power, volume, logistics, and thermal capacity) of International Space Station. Designed various mechanical restraints and mobility aids for International Space Station. Produced engineering drawings and solid models using CAD/CAE skills.
1985 to 1987 – Associate Engineer, Veda Incorporated, Arlington VA
Provided engineering and managerial support to the Land-Based Fixed-Wing Aircraft Class Desk of Naval Air Systems Command (NAVAIR), and to the Anti-Submarine Warfare Aircraft Test Directorate (ASW ATD) of Naval Air Test Center (NATC) in Patuxent River MD. Analyzed, developed and revised top level test planning documentation and tracked flight test completion.
Bachelor of Science in Aerospace and Ocean Engineering
Virginia Polytechnic Institute and State University, 1986
Extensive graduate course work in Aerospace Engineering
University of Colorado-Boulder
- Space Flight Dynamics
- Linear Control System Design
-Statistical Orbit Determination (Batch, Kalman and Extended Kalman filters)
- Global Navigation Satellite Systems (GPS/GNSS)
- Aerospace Math I and II
- Boeing "Leadership for Space"
- APOLLO Root Cause Analysis training
- Boeing "Pre-Management Aptitude Program"
- "Birkman Assessment of Motivational Behavior"
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