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Julien DE FREITAS

BADEN

En résumé

Extremely motivated and dynamic electronics engineer, results oriented professional with a strong track record of performance in leading and advising technical projects.

Good background and successful experience in industrial informatics and radiation effects on electronics. Quick learner.
Like working in a diverse and international environment. Fluent in English and French. Good knowledge in German.

Entreprises

  • National Instruments Switzerland - Ingénieur d'Applications

    2012 - maintenant Customer training (Software and hardware courses given in English and in French in EPFL, Lausanne and at CERN, Geneva)
    Technical support
    Presentation in seminars and exhibitions
    Demonstrations
    Proof of Concept
    Start-Up Assistance
    Deployment Project Manager (DPM) in the framework of NI Swiss Startup Program
    Content Creation (Articles, Knowledge Bases, Examples)

  • CERN - Ingénieur électronicien

    Geneva 23 2010 - 2012 Study of radiation effects on power electronics
    - Bibliography creation, website creation to summarize the radiation effects on power electronics;
    - Specification writing about component tests under radiation;
    - Monitoring and control program of these tests (LabVIEW);
    - Radiation test management;
    - Data analysis study (models, rules in this field);
    - Measurement report writing and conclusion about the radiation tolerance of the component tested;
    - Failure diagnosis about LHC components broken by radiation.

  • CERN - Ingénieur en Electronique

    Geneva 23 2009 - 2010 1) Involvement in new fast wire scanner design with challenging requirements (high speed, high acceleration, high accuracy, low vibration, vacuum compatibility, radiation and temperature tolerance):
    • electronics choice: position sensor;
    • electrotechnical choice: brushless synchronous motor, linear power supply, resolver;
    • paper writing in the framework of DIPAC 2009 workshop “Fast and High Accuracy Wire Scanner”.
    2) Electronics design of the new fast wire scanner test bench
    • sensor choice: encoder, resolver;
    • converter choice: Resolver-to-digital converter (RDC), voltage and current transducers;
    • dSPACE (engineering solutions for control) board choice;
    • script programming (Matlab/Simulink).
    3) Laser position calibration current system study for wire scanner calibration and improvement
    • optical simulations for Gaussian beam propagation (Zemax software);
    • Gaussian fit and analysis with Root and Matlab.

  • CERN - Jeune Ingénieur

    Geneva 23 2008 - 2009 Management of two projects concerning the ISOLDE (Ion Separation On-Line facility) of CERN with Siemens’ PLC equipments:
    - vacuum control design of an element of this installation : electrical schematic design, electrical material order, programming, program tests;
    - programming of a user interface to observe how the exhaust pumping system works and stores the radioactive gases.

  • TRANE - Assistance Ingénieur

    Golbey 2006 - 2007 Project management on automation of two air flow measurement boxes:
    - electrical schematic design;
    - listing, order and reception of electrical equipment ;
    - control and data acquisition program development (LabVIEW);
    - supervising work of an electrical fitter.

Formations

  • UTBM (Belfort)

    Belfort 2003 - 2009 Génie Electrique et Systèmes de Commande

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