Hyperspectral Infrared Sounding L1 Expert (m/w/d) [26120]

CS GROUP, together with HE Space and Sopra Steria, has been successfully providing digital end-to-end systems and engineering services for more than 40 years.
With over 2000 employees worldwide, we combine advanced and unique skills in both information technology and space data engineering. We combine entrepreneurial agility with cutting-edge technological expertise.
CS GROUP is a leading provider of operational systems and an important and trusted long-term partner for space and defence organisations.
At CS GROUP, we are driven by innovation and we value our most important asset: our people.

As a member of a team providing services to our client, you will have the following responsibility:

• Develop, maintain, and enhance processing algorithms for hyperspectral infrared sounding instruments.
• Process, analyze, and assess large volumes of satellite observation data from operational missions.
• Support the generation and quality control of Level 1 and Level 2 products.
• Investigate data anomalies and contribute to the resolution of instrument and processing issues.
• Perform scientific analysis of radiometric and spectral measurements to ensure product quality and mission performance.
• Support calibration, characterization, and validation activities for hyperspectral sounders.
• Monitor radiometric, spectral, and geometric performance throughout the mission lifecycle.
• Evaluate calibration products and assess their impact on downstream geophysical retrievals.
• Contribute to instrument performance assessments and long-term monitoring activities.
• Support the verification and validation of new processing baselines and calibration methodologies.
• Support operational processing systems and the evolution of ground segment capabilities.
• Participate in system integration, testing, commissioning, and acceptance activities.
• Prepare technical documentation, reports, user guidance, and operational procedures.
• Collaborate with multidisciplinary teams, satellite operators, scientists, and external partners.
• Provide technical expertise for mission preparation, product evolution, and future hyperspectral instrumentation developments. 

You will have the following qualifications and relevant experience:

• University degree in computer science, mathematics, physics, astrophysics, meteorology or remote sensing or equivalent;
• Experience in infrared instruments data processing (preferably high resolution, Hyperspectral sounders, like IASI);
• Developing and testing complex scientific software, handling and processing big amounts of data;
• Experience in numerical algorithms and satellite data analysis;
• Familiar with calibration processes (hyper-spectral sounders);
• Experience with object-oriented techniques and software tools for version control;
• UNIX/Linux operating systems knowledge with use of shell/python scripts;
• Experience with the following programming languages C++, Python, IDL;
• Interferometry knowledge would be an advantage;
• Fluency in English is mandatory; knowledge of another European language is an advantage.

This job is located in Darmstadt, Germany.

If you think you have what it takes for this job, please send your CV (in English and in Word or PDF) by clicking on the button “Apply for this job” quoting job DE-HP-26120

An exciting and dynamic international working environment awaits you!

Inclusive and committed employer, our company works every day to combat all forms of discrimination and promote a respectful working environment. That's why, committed to gender diversity and overall inclusivity, we encourage all applications and profiles.                        

Last apply date: 30/07/2026!