Postdoctoral researcher in Climate and Hyperspectral Remote Sensing

The Atmospheric Composition, Measurements and Modelling group (ACM²) of the Royal Meteorological Institute (RMI) and the Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing Group of the Université Libre de Bruxelles (ULB) are looking for a highly motivated and skilled Postdoctoral Researcher to join their teams. This recruitment is part of the research profile ROLLS “Radiation: Outgoing Longwave Spectral Signatures” within the framework of FED-tWIN, the Belgian Programme of sustainable research cooperation between the Federal Scientific Institutes and the universities.

The Royal Meteorological Institute of Belgium (RMI) has a longstanding tradition in (i) conducting scientific research, (ii) collecting and processing measurements across scale of observations including spaceborne data, and (iii) providing services in weather, climate and geo-physics at the national and international level. The RMI has in-house expertise in meteorological and climate models and in collecting and processing large spatio-temporal datasets on weather and atmospheric composition.

The ULB team has a strong expertise on the sounding of atmospheric composition by satellites. The group develops and maintains state-of-the-art radiative transfer software, which is used along with inverse methods to retrieve atmospheric trace gas concentrations and aerosol properties. Recently, it also started performing climate studies, exploiting the hyperspectral capabilities of the IASI instrument.

The joint research profile aims at assessing the variations in global outgoing longwave radiation and their underlying mechanisms in a long-term perspective using hyperspectral infrared observations. The postdoctoral researcher will pursue innovative and interdisciplinary research relying on the complementary expertise of both groups.

ACM² group at RMI:

Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing Group at ULB:



At the ULB, the main scientific work will constitute in the development of retrieval algorithms for the derivation of hyperspectral fluxes and radiative forcings of aerosols and trace gases, and building and maintenance of the related datasets. At RMI, these datasets will be exploited scientifically (trends, radiative forcing contributions, climate feedbacks) and the researcher will perform validation of the datasets by comparison with existing broadband measurements. This also includes the support of Numerical Weather Prediction related topics. The research is expected to be published regularly in international scientific journals.

The researcher will support both teams in participating and writing of proposals on a national and international level, and aid in the supervision of undergraduate, PhD or young postdocs. The researcher is expected to have a collaborative spirit and liaise with other top researchers in the field.



We are looking for a highly motivated, well-organized and dynamic candidate with a high level of independence and creative thinking. The successful candidate should  

  • hold a PhD degree in Sciences or Applied Sciences obtained at the earliest 12 years prior to the submission date of the job application. The 12-year period is extended by one year for each maternity, parental and adoption leave of the candidate and for each long-term sick leave of the candidate or his/her immediate family.
  • have at least 3 years experience as postdoctoral fellow in a relevant field.
  • have demonstrable previous experience regarding hyperspectral infrared remote sensing and climate studies.
  • have a good knowledge of widely used data analysis tools in environmental sciences (Matlab, Python, Fortran) and with scientific data formats (Grib, HDF, NetCdf)
  • be able to work independently and in a team, as well as in international environment
  • be eager to learn new techniques and show keen interest and curiosity driven approach to scientific questions
  • be able to guide PhD students and coordinate the projects between our teams
  • be a team player with excellent oral and written English communication skills, a good knowledge of French or Dutch is an asset


We offer

  • A contractual position of indeterminate duration, with simultaneous 50% appointment at RMI and 50% appointment at ULB
  • A stimulating, research work environment where quality, professionalism and team spirit are encouraged
  • At RMI, the salary will follow federal regulations for the scientific career in the SW2 scale, with possibility to acquire a bilingualism bonus. At ULB, the researcher will be paid as a post-doctoral researcher.
  • Access to state-of-the-art infrastructure at RMI and ULB
  • Extra-legal benefits are offered both at RMI and ULB
  • Flexible schedule and possibility to work occasionally from home
  • Refund of commuting expenses when using public transportation or bicycle
  • Access to special advantages arranged for employees of the federal scientific institutions (e.g., possibility to follow trainings, free childcare in July/August)
  • The opportunity to interact with several world-class investigators at both institutions, as well as in Europe and abroad (through an established network and research consortia)
  • All relevant work experience (public/private sector) will be considered when determining seniority
  • The starting date of the contract is October 2022



After evaluating the submitted applications, the selected candidates will be invited for an interview. Candidates whose diploma is not awarded in Belgium must submit a NARIC certificate of equivalence. If the equivalence certificate has not yet been obtained, the application must at least have been initiated at the time of the application. More information about the equivalence certificate can be found on the website:



Your application should include

  • A detailed CV, including a list of your scientific publications
  • A cover letter describing your motivation
  • Contact information of 2 referees

For more information, please contact

Dr. ir. Andy Delcloo (, tel.: +32 2 373 0596)

and/or Dr. Lieven Clarisse (  tel.: +32 2 650 2057)

Deadline for applications : June 15, 2022


You can send your motivation letter, together with your CV to the official Fedtwin contact:


Both RMI and ULB seek to foster an environment where all talents can flourish, regardless of gender, age, cultural background, nationality or impairments.

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