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CV: Spacecraft & Ground Controller for O3b Constellation
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Date Submitted: Last Modified: Current job: Employment Term: Job location: Date available: Industry: KeywordsWORK EXPERIENCE
01/01/2017–Present Spacecraft & Ground Controller for O3b Constellation
SES, Betzdorf (Luxembourg)
▪ Fully certified for operations
▪ Monitoring of spacecraft telemetry and alarm status
▪ Respond to anomalies by applying appropriate contingency procedures to solve the issue or
escalate when necessary
▪ Production of spacecraft and ground equipment anomaly logs/reports
▪ Execution of special operations as required by engineering
▪ Maximize transponder availability through effective cooperation with the Network Operations
Center personnel
▪ Perform off-line data analysis by replaying telemetry or with simulator
15/07/2016–31/12/2016 Spacecraft and Ground Controller for Galileo Constellation
Deutsches Zentrum für Luft- und Raumfahrt (DLR GfR), Oberpfaffenhofen (Germany)
▪ Analysis, development and production of operating procedures
▪ Planning and implementation of test procedures
▪ Providing a service in compliance with Key Performance Indicators
▪ Implementation of tasks in the Galileo operations
▪ Performance and trend analysis
▪ Error analysis and error-handling procedures
▪ Production of training documents
08/2015–12/2015 Systems Engineer - ECLSS sizing for Orbital ATK’s Crewed Exploration
Augmentation Module
University of Colorado Bioastronautics Laboratory
▪ ECLSS mass & volume estimates for 30 and 60-day LEO/Cis-Lunar space missions
▪ Compiled database of current ECLSS technologies
▪ Ensured appropriate theoretical interfacing between subsystems
▪ Compiled final deliverable document for Orbital ATK
08/2015–12/2015 Software - Atmospheric Revitalization Test Rig for ECLSS Research
University of Colorado Bioastronautics Laboratory
▪ Modified LabVIEW-based software to include new sensors
▪ Modified GUI and data recording options to improve user-friendliness
▪ Compiled software manual, including descriptions of all 70+ VI's
01/2015–05/2015 Mechanical Design & Assembly - Thermal Vacuum Chamber
University of Colorado Bioastronautics Laboratory
▪ Heavily involved in assembly
▪ Performed multiple component and subsystem testings
▪ Involved in SolidWorks modeling of chamber
▪ Acquired knowledge in dealing with manufacturers
EDUCATION AND TRAINING
08/2014–12/2015 Master of Science in Aerospace Engineering Sciences,
specialization in Astrodynamics and Global Navigation Satellite
Systems (GPA 3.97)
University of Colorado, Boulder (United States)
▪ Spacecraft Attitude Dynamics and Control, Space Life Sciences, Spaceflight Dynamics, Statistical
Orbit Determination, Global Navigation Satellite Systems, Space Habitat Design, Interplanetary
Mission Design
08/2010–05/2014 Bachelor of Science in Aerospace Engineering, Magna Cum Laude
Florida Institute of Technology, Melbourne (United States)
▪ Computational Fluid Dynamics, Aerospace Computational Techniques, Space Flight Mechanics,
Compressible Flow, Aerospace Structures, Control Systems, Rockets & Mission Analysis, Aircraft
Stability and Control, Air-Breathing Engines, Fluid Dynamics, Aerodynamics
PERSONAL SKILLS
Mother tongue(s): Italian, English
Other language(s): French, German (beginner)
Communication skills: Great communication and interpersonal skills with people of all backgrounds and cultures gained through my experiences living abroad in Belgium, Switzerland and the USA.
Job-related skills: SCOS-2000, MATLAB, C++, HTML, LabVIEW, AGI Systems Tool Kit, SOLIDWORKS, Microsoft Office, Visio
ADDITIONAL INFORMATION
Projects - Trajectory Estimation of Satellite in LEO - University of Colorado Boulder
Estimated trajectory of satellite in LEO by processing range and range rate observations from three ground stations. Reference trajectory was propagated using two-body equations, Earth's J2 effect and atmospheric drag model. Derived all necessary equations and processed observations using a Batch filter, a Conventional Kalman Filter (with and without Joseph formulation), and the Potter Algorithm, all coded in Matlab. Filter performances (state vector, covariance, residuals and numerical issues) were compared.
Presentations - Orbit Errors in GPS: A Comparison of Broadcast and Precise Ephemeris - University of Colorado
Performed comparison of broadcast ephemeris from the GPS satellites, and precise ephemeris files provided by the International GNSS service. Investigated how ephemeris changed historically, how it was impacted by selective availability, and how it is affected by the GPS satellite block type.
Projects - VEEGJA Trajectory to Neptune - University of Colorado
Designed Matlab-based theoretical trajectory to Neptune taking advantage of 4 flybys: one of Venus, two of the Earth with a 2:1 resonant orbit in between, and one of Jupiter. Design was subject to constraints such as time of flight, Δv budget and launch energy. Trajectory was then implemented in Systems Tool Kit software.
Projects A Study of the Euler Family of Attitude Coordinates - University of Colorado
Used Euler's rotation theorem to develop a family of attitude coordinates. Derived kinematic
differential equation for arbitrary Euler family attitude set and investigated singularities.
Developed and applied proportional-derivative control to drive the attitude difference between the
body-fixed frame and the inertial frame to zero. Compared simuation results to Modified Rodrigues Parameters.
Projects - Optimized Single-Stage Mars Ascent Simulation - University of Colorado
Performed Matlab-based simulation of single-stage Mars ascent vehicle. Used "fmincon" to minimize necessary Δv required given a launch site location, target orbit, and launch vehicle parameters. Coded HTML webpage. Link:
http://ccar.colorado.edu/asen5050/projects/projects_2014/Sabia_Marco/index.html
Projects - Mars Permanent Base Concept Design - University of Colorado
Preliminary conceptual design for a mission architecture to place a permanent, independent human settlement on the surface of Mars by 2054. Investigated aspects such as launch sequence, settlement layout, interplanetary trajectory, mass estimates, launch vehicle feasibility study, and program cost estimates. Performed SOLIDWORKS design of the internal crew habitat modules and external surface base.
Honours and awards: Florida Institute of Technology Academic Scholarship
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