Missions

The objective is to contribute to the development of the data preprocessing software for the LISA (Laser Interferometer Space Antenna) space mission. This mission will enable the detection of low-frequency gravitational waves and will have a major scientific impact in astrophysics, cosmology, and fundamental physics. Data preprocessing aims to reduce a large number of instrumental noises and to produce clean Level-1 (L1) data that will be used for gravitational-wave searches. This step includes, among other things, the construction of Time Delay Interferometry (TDI) variables, clock resynchronization, the estimation of instrumental noises,... The project therefore consists in developing and exploring the most suitable methods to produce the cleanest possible data and implementing them in the official data processing software.

Activités

- Exploration and development of data preprocessing methods for LISA (TDI, clock resynchronization, noise estimation, …)

- Implementation of these methods in the official mission data analysis software

- Implementation of unit tests for this software

- Regular review of the produced code

Compétences

This position is devoted either to a software engineer. Strong skills in software development, data analysis, and numerical calculations are required. In addition, knowledge of the LISA mission and of its instruments will be favoured.

Contexte de travail

This project will be conducted within the « Theory and metrology” group at LTE, which is largely involved in the development of the LISA preprocessing pipeline. Furthermore, LTE is also developing laser systems needed to test various LISA instrument components, is involved in the development of galactic binary waveforms and will be involved in the validation and testing of the payload. LTE is a full member of the LISA consortium and the group has developed various collaborations around these topics.

Le poste se situe dans un secteur relevant de la protection du potentiel scientifique et technique (PPST), et nécessite donc, conformément à la réglementation, que votre arrivée soit autorisée par l'autorité compétente du MESR.