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Portail > Offres > Offre UMR5814-CLABOM-072 - CDD Ingénieur-e tests & validation de cartes électroniques (H/F)

Electronic board testing & validation engineer (M/F)

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

Date Limite Candidature : lundi 6 juin 2022

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General information

Reference : UMR5814-CLABOM-072
Date of publication : Monday, April 4, 2022
Type of Contract : FTC Technical / Administrative
Contract Period : 24 months
Expected date of employment : 1 June 2022
Proportion of work : Full time
Remuneration : between 2109 € and 2226 € monthly gross, according to work experience
Desired level of education : Engineer
Experience required : 1 to 4 years


The LAPP offers a job as an electronics design engineer to participate in the development of the calibration electronics of the liquid argon electromagnetic calorimeter of ATLAS (Lar), one of the experiments of the Large Hadron Collider (LHC) at CERN in Geneva. Integrated into the electronics department of the laboratory and within the team of physicists and engineers of ATLAS, the recruited engineer will participate in the development and production of the final version of this new system. The work will be concentrated on the study and development of the system architecture involving specific ASICS developed by the collaboration laboratories, analog interfaces as well as digital interfaces (LpGBT, Asic, etc.). The engineer will carry out the tests of the new circuits dedicated to the calibration part and will set up the production tests for these components. He/she will also carry out the tests of the electronic cards developed for the control of these ASICs. He/she will be responsible for the development and implementation of automated test benches including the control of measurement equipment, using LabVIEW, and if necessary with other languages (Python, C/C++). He/she will be responsible for the development of future versions of the 128-channel calibration boards produced by a laboratory of the collaboration and in relation with the designers of the circuits and the specialists of the laboratory. The engineer must be able to produce low-noise digital and analog architectures (ADC, CNA, and amplifiers), the schematics of the boards, their CAD routing and their production in relation with the suppliers. He/she will be able to participate in the production of these maps and their integration.

Expected hiring date: June or September 2022 depending on your availability.


- Assist the physicists of the laboratory on the technical aspects of the electronic architectures used,
- Develop the functioning of the calibration cards in relation with the actors of the collaboration,
- Design mixed analog-digital architectures using programmable components, communication interfaces and analog interfaces for the injection of calibration signals.
- Set up a nomenclature management and traceability of components/cards for small series.
- Establish the functional and technical specifications of the test systems and qualification of electronic components (10000 ASICs) and calibration cards developed for the project (150 cards),
- Design and implement associated test and qualification plans,
- Design and set up the associated test benches: perform the hardware and software interfacing of laboratory instrumentation devices and electronic cards for injecting calibration signals, LabVIEW + Python programming, implementation of communication buses digital,
- Carry out the tests and exploit the results (writing of reports, presentation),
- Realize the schematic of the electronic cards and their simulation. CAD routing of boards by applying EMC rules for these particularly sensitive developments.
- Manage relations with suppliers for the supply of components and the monitoring of external achievements, in particular for the production of electronic cards.
- Interact with the team and the collaboration in order to put in place solutions for the improvement of the functioning of the system. Carry out developments with a view to integrating them into the experiment. The person will be required to travel regularly to the experiment site (CERN) about fifty km from the LAPP (daytime travel).
- Disseminate and promote the work in the form of reports, publications and presentations, mainly in English.


- In-depth knowledge of mixed analog-digital electronic architectures,
- In-depth knowledge of LabVIEW development,
- Know how to define and implement a test and verification plan
- General knowledge of instrumentation tools and automated test benches,
- Characterization and qualification of electronic boards and sub-assemblies,
- Know how to manage a project, a production of electronic cards (specifications, supplier relationship, and reception/acceptance)
- Knowledge of programmable components (PLC, FPGA, µC, etc.) and their programming, as well as analog components (ADC, DAQ, amplifiers, etc.),
- Knowledge of the design of electronic cards: schematic, CAD drawing, drawing rules and use of software (Cadence or other),
- Notions of simulation tools,
- Knowledge of EMC rules for sensitive circuits,
- Good writing and oral communication skills in French and English,
- Know how to write technical documentation,
- Good interpersonal skills within an international and multidisciplinary team (engineers, physicists),
- Rigor, autonomy, creativity and spirit of initiative.

Desired level of studies: University degree at master's level or engineering school in electronics and physical instrumentation/measurement, depending on experience.

Desired experience: A first experience in project management of production and testing of electronic boards is desired.

Given the local context regarding the cost of living, the gross monthly salary can be negotiated.

Work Context

Created in 1976, the LAPP is one of the 20 laboratories of the Institute of Nuclear Physics and Particle Physics (IN2P3) of the CNRS. It has nearly 150 researchers, teacher-researchers, engineers, technicians, administrative staff, students and foreign visitors. The work carried out at LAPP aims to study the physics of elementary particles and their fundamental interactions, as well as to explore the connections between the infinitely small and the infinitely large. The LAPP is involved in LHC (ATLAS, LHCb), neutrino (SuperNEMO, STEREO, DUNE, etc.), astrophysics (HESS, CTA, LSST) and gravitational waves (Virgo) experiments. The location of the laboratory 50 km from CERN, and the presence of a theoretical physics laboratory in the same building, make it a very attractive laboratory for scientists in this field of research. The LAPP also hosts an intermediate-sized computing and storage center which significantly contributes to the processing of data from major physics experiments such as ATLAS, LHCb or CTA.

The ATLAS experiment was designed to study collisions between proton beams from CERN's Large Hadron Collider (LHC). One of the main goals of this study was the search for the Higgs boson, which should provide the answer to the fundamental question of the origin of the mass of elementary particles. This project was crowned with success in July 2012, with the announcement of the discovery of the Higgs boson. The LAPP team is working on different projects for the two successive upgrades, the current phase I upgrade and the future phase II upgrade: new Lar calorimeter trigger system, future timing distribution system, future silicon tracker and future system calibration of the Lar calorimeter. The LAPP ATLAS group has 10 physicists, 14 engineers as well as 5 doctoral and post-doctoral students. The electronic service of the LAPP has 14 agents and participates actively in the study and the realization of the projects of the various experiments of physics of the laboratory.
Backed by its expertise and its past participation in the production of the electronic calibration boards currently in operation in the ATLAS LAr calorimeter, the LAPP group is pursuing a similar development for the phase-II upgrade of the calorimeter.
The successful candidate will be supervised by the physicist in charge of the project and by the electronics experts. If necessary, he/she may be required to supervise trainees, doctoral students or assistant engineers to carry out the tests.

Constraints and risks

Regular day trips to the CERN site

Additional Information

Given the local context regarding the cost of living, the gross monthly salary can be negotiated.

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