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.

• Prepare and execute test specifications, test procedures, test data and test reports for system and Ground Segment IV&V activities.
• Support the planning and coordination of verification and validation campaigns, including formal testing, Test Readiness Reviews (TRRs) and Test Review Boards (TRBs).
• Contribute to the automation of test procedures, test tools and test environments, including the preparation and management of test data.
• Support software and hardware integration, deployment, configuration and verification activities.
• Maintain requirements-to-test traceability using tools such as DOORS and VERDI.
• Participate in anomaly investigation, verification control activities and Verification Control Boards (VCBs).
• Prepare and maintain Verification Control Documents (VCDs) and verification reports.
• Support system commissioning, rehearsals and launch preparation activities.

• 3+ years of experience in Systems Engineering and IV&V for Earth Observation missions, particularly at System and Ground Segment level.
• Proven experience in IV&V of data processing systems and end-to-end processing chains, from data acquisition to L0/L1/L2 products, archiving and dissemination.
• Knowledge of space and Ground Segment engineering processes and lifecycles, preferably ECSS.
• Experience with requirements engineering and traceability tools, particularly DOORS.
• Experience with formal testing, TRRs/TRBs, VCDs and VCBs.
• Knowledge of CCSDS standards, including CFDP, and experience with CCSDS-based systems.
• Experience in interface management and ICD definition.
• Basic programming/scripting skills, preferably Python and Bash, for test automation, simulators and test data generation.
• Experience managing test datasets, particularly CCSDS and NetCDF formats.
• Knowledge of SysML and system modelling tools such as Enterprise Architect is an advantage.
• Experience with Ground Station integration and IV&V for TT&C and Mission Data Acquisition is highly desirable.
• Fluent English, with strong technical documentation and communication skills.

This position is based in Darmstadt, Germany.

If you believe you meet the requirements for this position, please send your CV in English and in Word or PDF format to Andrés Izquierdo by clicking the Apply for this job button and quoting the relevant job reference.

An exciting and dynamic international working environment awaits you!

Last apply date: 20/09/2026!