- Propulsion engineer at Avibrás Aerospace, SJC/SP (1984-1989): simulation of rocket motors, shaped charges penetration and aerodynamics of RPVs (remotely piloted vehicles).
- Researcher at Aeronautics and Space Institute (IAE), SJC/SP (1990-1991): simulation of the attitude control system of the fourth stage of VLS vehicle (Brazilian satellite launcher).
- Development coordinator and manager in some software companies (1993-1998): check dispenser software, document control system.
- Professor at Pontifical Catholic University of Paraná (1997-...) - disciplines: numerical calculus, programming, basic informatics, fluid mechanics, transport phenomena, CAD (SolidWorks), heat transfer and t...