2016-present time. Dynamic Meteorology Laboratory. Ecole Polytechnique, Paris, France.
Project "Curent and future spaceborne lidars CALIOP, ATLID/EarthCare, and MESCAL ".
Responsibilities: development and maintenance of (a) atmospheric property retrieval algorithms, (b) satellite observation simulators, (c) calibration and validation algorithms for space lidars.

2011-2016. Dynamic Meteorology Laboratory. Ecole Polytechnique, Paris, France.
Project "Analysis of cloud properties from satellite observations".
Responsibilities: retrieval algorithms development, performing the cloud parameters retrieval, synergetic data analysis for multiple instruments (AIRS, ATSR, HIRS, ISCCP), radiative transfer algorithm development and validation, cloud microphysical properties retrieval.

2008-2011. The Catholic University of America / NASA Goddard Space Flight Center.
Project "Non-LTE diagnostics of satellite measurements in application to SABER/TIMED".
Responsibilities: developing the non-LTE model for H2O radiance in MLT; developing the retrieval algorithm; validating the SABER operational code versus ALI-ARMS research code; performing the research retrievals; analyzing the retrieved water vapor distributions; developing the multi-channel retrieval algorithm for pressure, temperature, and CO2 volume mixing ratio retrieval.

2008-2011: The Catholic University of America / NASA Goddard Space Flight Center.
Project: "Retrieval of temperatures of Martian atmosphere in the altitude region 60-100 km from the MGS/TES bolometer infrared limb radiances".
Responsibilities: analyzing the MGS/TES bolometer and MGS/TES spectrometer radiances; performing the sensitivity studies for the 15 um CO2 radiances with respect to parameters of non-LTE model and to the atomic oxygen distributions in the upper atmosphere of Mars; developing the retrieval algorithm; performing the retrievals; analyzing the retrieved temperature profiles.

2005-2008: ORAU (Oak Ridge Associated Universities, Oak Ridge, Tennessee, USA) PostDoc Program at NASA Goddard Space Flight Center, Greenbelt, Maryland, USA.
Project "Non-LTE diagnostics of satellite and rocket born observations of the Earth's polar Mesosphere/Lower Thermosphere (MLT)".
Responsibilities: developing the non-LTE model for CO2 radiance in MLT; validating the SABER operational code versus ALI-ARMS research code; performing the research retrievals; analyzing the retrieved temperature distributions.

2005: Astrophysical Institute, University of Jena. Jena, Germany.
Project "Dust Tori around Mars".
Responsibilities: developing the code for estimating the radiances of the Martian dust tori; performing the calculations to estimate the feasibility of dust tori observations from ground- and space based telescopes.

2004: Max-Planck Institute for Solar System Research, Katlenbur-Lindau, Germany.
Project "Radiative cooling and heating rates for Martian General Circulation Models".
Responsibilities: developing an efficient algorithm for calculating radiative cooling and heating rates to be incorporated to Martian GCM; optimizing the radiative transfer in molecular bands; analyzing the results of GCM runs with non-LTE radiative cooling and heating module.

2001-2005: Institute for Astronomy and Astrophysics, University of Munich, Munich, Germany.
Projects "Non-LTE study of the RADiative IMPact of the lower atmosphere on the mesosphere/lower thermosphere" and "Non-LTE model of the Infrared Radiative Cooling/Heating of the Mesosphere and Lower Thermosphere".
Responsibilities: calculating the radiative contribution to energy budget of mesosphere/lower thermosphere; estimating the radiative energy transfer from troposphere and stratosphere and its role in heating the MLT area; developing the scheme of fast and accurate radiative transfer in molecular bands.