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Portail > Offres > Offre UMR5274-VALDEL1-013 - Ingénieur.e traitement du signal radar Juice/RIME H/F

Juice/RIME Radar Signal Processing Engineer H/F

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

Date Limite Candidature : lundi 9 août 2021

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General information

Reference : UMR5274-VALDEL1-013
Workplace : GRENOBLE
Date of publication : Monday, June 28, 2021
Type of Contract : FTC Technical / Administrative
Contract Period : 12 months
Expected date of employment : 1 September 2021
Proportion of work : Full time
Remuneration : between 2437 and 2807 € gross monthly depending on experience
Desired level of education : Engineer
Experience required : Indifferent


IPAG (The Institute of Planetology & Astrophysics of Grenoble) is recruiting an engineer to contribute to the development of the ground segment of the RIME instrument on the JUICE mission (ESA).
Rime is the sounder radar of the JUICE mission of the European Space Agency. This instrument is intended to probe the subsurface of Europe and Ganymede, Jupiter's frozen moons, in order to understand the structure and dynamics of these icy bodies.
The interpretation of the Rime radar data requires the simulation of the measured signals. IPAG is a major player in these simulations with great experience from Marsis / Mars Express (ESA) and SHARAD / MRO (NASA) radars.
For JUICE we want to integrate these simulations in the ground segment in order to
systematically produce the data necessary for the interpretation of the measurements and to archive them together. In order to best reproduce the observations, it is important to apply to the simulated signals the distortions or processing that are experienced by the actual measurements. This requires end-to-end modeling of the measurement chain: antennas, electronics, calibration procedure, processing.The hired person will be in charge of the analysis of the radar system by considering the constraints inherent to the Juice space mission and to the scientific objectives addressed by the instrument RIME. He/She will have to model the radar system: the response of the electronics and the processing, the distortions introduced by electronics and the antennas and the calibrations. He/She will analyze their impact on the performance of the instrument and the quality of the final image and then implement this modeling within a processing chain integrated into the ground segment of the instrument. The recruited engineer will thus make the link between the scientific problem, the instrument and the computer tools of ground processing.


• Analyze the design of existing radar instruments (SHARAD) or those under design (RIME)
• Model a radar system
• Analyze and adapt radar signal processing methods
• Implement the models and processing within an existing software library
• Document and communicate on the analyses and developments made
• Follow the evolution of the techniques implemented in the instruments
• Present, disseminate and promote the developments, technologies and innovations of the laboratory
• Report on the progress of work and plan activities


• Engineering techniques and sciences (especially in the fields of signal processing, radio frequency electronics, mechanics, thermals)
• In-depth knowledge of the physics of radio wave propagation and radar techniques
• Mastery of calculation methods, simulation, design and modeling software
• Instrumentation and measurement
• Written and oral presentation skills
• English language: B2 (European context)

• Anticipate the functional and technical evolutions of the system
• Demonstrate rigor, organization and autonomy
• Mastery of numerical modeling software (IDL, Matlab, Python/numpy)
• Knowledge of software development and engineering methods is a plus
• Experience in the field of space instrumentation is an important asset
• Good ability to work in scientific and technical teams
• Lead a meeting
• Conduct technical negotiations
• Apply quality assurance procedures, sensitivity to the quality of documentation
• Ability to transmit knowledge

Work Context

The Institute of Planetary Science and Astrophysics of Grenoble (IPAG) is a 170-person Joint Research Unit under the supervision of the Centre National de la Recherche Scientifique (CNRS) and the Université Grenoble Alpes. With an operating budget of 3.5 M€/year.
IPAG is a major player in the sciences of the universe in partnership with the major agencies in the field: ESO, IRAM, CFHT, CNES, ESA, and NASA.
The radar group at IPAG is part of the "PLANETO" scientific team, whose research axes are the study of the origin and evolution of planets, satellites and small bodies of the solar system.
This research group develops and operates radars on board space probes to observe planetary sub-surfaces and interior of comets and asteroids. The group is involved in the scientific exploitation of planetary radars: RIME/Juice (ESA) and REASON/EuropaClipper (NASA). In addition to its participation in these space missions, the team has an instrumental research activity by participating in national or European projects (R&T CNES, ESA, EU-H2020). The team is also notably the instigator of the JuRa tomographic radar on board ESA's Hera mission. This radar is the successor of the CONSERT experiment aboard Rosetta (ESA), which probed the comet Churyumov-Gerasimenko in 2014
The proposed mission will take place in collaboration with the international consortium RIME/JUICE with CNES. The engineer recruited will be attached to the technical group of the IPAG. He will work in close collaboration with the researchers and engineers involved in the radar development projects, which represents about ten collaborators within IPAG.

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