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Portal > Offres > Offre UMR5814-CLABOM-038 - Ingénieur de Recherche en Electronique Analogique (H/F)

Fixed-term contract « INGENIEUR DE RECHERCHE » Analog electronics engineer (M/F)

This offer is available in the following languages:
Français - Anglais

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General information

Reference : UMR5814-CLABOM-038
Date of publication : Wednesday, May 13, 2020
Type of Contract : FTC Technical / Administrative
Contract Period : 12 months
Expected date of employment : 1 July 2020
Proportion of work : Full time
Remuneration : from 2399,48 € to 3072,01 € per month, depending on professional experience
Desired level of education : Engineer
Experience required : Indifferent


LAPP proposes a position for an analog electronics engineer in order to participate in the Virgo experiment upgrade, Advanced Virgo+. Virgo is a gravitational wave detector, located in Pisa Italy. The engineer will join the LAPP's Virgo team, made of physicists and engineers, and will participate in the analog electronics developments that will be essential for the future detector's performances. The work will be principally the study and the fine tuning of pre-amplification systems for the several detection photodiodes channels. The engineer will participate in the on-site commissioning. More generally, He will study new projects, as for instance a new current generator for the calibration LEDs. The engineer will join the electronics department and will be assisted by a senior engineer.


- Projects assessment and feasibility in collaboration with physicists. Definition of requirements and specifications.
- Analog electronics designs : pre-amplification systems, filtering and optimized architectures for photodiodes acquisition in low-frequency (audio) and intermediate frequency ranges (100MHz).
- Standard analog electronics design for general purposes in the experiment.
- Schematic and PCB designs.
- Test set-up development, testing and exploitation of results.
- Research of solutions for detector performances improvement, especially during the commissioning phases: EMI-EMC, disturbances identification, electronics noise reduction, etc… The engineer will work on site periodically (Pisa).
- Circulation and promotion of the work thanks to reports and presentations (English).


- Expertise in analog electronics design, low and intermediate radio-frequency ranges (100MHz).
- Knowledge of noise calculations and studies of analog electronics architectures.
- Knowledge of dynamics optimisation for acquisition systems.
- Knowledge of active and passive filtering architectures.
- Knowledge of electronics components and their implementation.
- Notions in simulation and PCB tools (i.e. Cadence or other).
- Notions in digital electronics.
- Notions in test set-up tools and instrumentation.
- Notions in physics.
- Ability in communication and reporting (English).
- Human quality and interpersonal skills within an interdisciplinary and international team.
- Rigour, creativity, spirit of initiative.

Work Context

LAPP is a physics laboratory located in Annecy, 50kms from Geneva and CERN. The laboratory was founded in 1976 and is one of the 20 laboratories of IN2P3 (Institut de Physique Nucléaire et de Physique des Particules), institute of CNRS (Centre National de la Recherche Scientifique). LAPP is joint research facility of the University Savoie Mont Blanc (USMB) and the CNRS. Nearly 150 people are working at LAPP: researchers, professors, support staff, students and visiting scientists. Research carried out at LAPP aims at understanding the elementary particles and the fundamental interactions between them as well as exploring the connections between the infinitesimally small and the unbelievably big.

Virgo is an international experiment dedicated to gravitational wave detection. It is located in Pisa, Italy. Virgo is a giant Michelson interferometer, 3km long. The LAPP group is responsible of the photo-detection electronics systems, of the signals shaping and acquisition, and of many electronics interfaces in the detector (timing, data switching, control signals…). The LAPP Virgo team includes 9 physicists, 12 engineers and 7 Phds. The electronics department includes 16 people; their mission is to develop electronics systems for particle physics experiments.

Constraints and risks

Short travels will be necessary, especially on site.

Additional Information

The candidate must have a level I engineering diploma (state schools or similar institutions)

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