System Validation Engineering [26056]

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.

Provide system engineering support in relation to ESA in-house activities for IRIS2 entrusted tasks in the area of end-to-end system validation (supporting the role of Qualification and Validation Authority).

1. Scope of Technical Support

Support shall include system validation engineering activities in the following areas:

•  Incremental qualification of the system;
• Management of the credits obtained from segment qualification (to be included in the system VCD verification control document);
• Preparation of the qualification programme of work to reach IOC and FOC;
• Definition and follow up of test campaigns for external interfaces, in particular GOVSATCOM and SECMON;
• Definition and development of the system verification tools (test beds) needed to achieve full qualification;
• Follow up of any deviations/non-conformances to ensure system qualification is achieved and maintained.

Activities may include:

• Review of the test plan / test cases / test procedures prepared by the Consortium;
• Preparation of the plan towards in-orbit validation;
• Running simulations to establish independent assessment of system performance;
• Independent witnessing of test campaigns run by the Consortium or its subcontractors;
• Independent execution of tests campaigns (up to and including in orbit tests) to support the system end-to-end validation, making use of ESA testbeds and ongoing in flight experiments;
• Review of non-conformances / deviations;
• Contribution to Technical risk assessment.

2. Industrial Milestone Reviews

The Contractor shall support ESA in the review of industrial contract technical milestones, including but not limited to:

• Preliminary Design Reviews (PDR);
• Critical Design Reviews (CDR);
• Qualification Reviews (QR);
• In-Orbit Validation Review (IOVR);
• Service Declaration (SD).

This support shall include:

• Technical assessment of industrial deliverables;
• Preparation of review comments;

3. Deliverables (non-exhaustive list)

• Contribution to System Verification Plan;
• Contribution to System RVM (Requirements Verification Matrix);
• Review and update of System Test Plan/Test Cases/Test Procedures;
• Review and follow up of segment verification campaigns;
• Review of qualification credits and preparation of proposed System VCD updates;
• Review of system/segment non-conformances, proposed action plan for NRB;
• Review of Requests for Deviation/Waiver (RFD/RFW) and proposed way forward.

• Masters degree in Aerospace or a relevant discipline;
• Minimum 8 years of experience in Space Segment Engineering;
• Background in systems engineering, ground systems, or space mission operations;
• Knowledge of integration and verification processes for complex technical systems;
• Experience with test procedures preparation and execution;
• Strong analytical, documentation, and problem‑solving skills;
• English proficiency.

This position is based in  Noordwijk, The Netherlands.

If you believe you have what it takes for this position, please send your CV (in English and in Word or PDF format) to Andrés Izquierdo by clicking on the ‘Apply for this job’ button and quoting job reference.

An exciting and dynamic international working environment awaits you!

Last apply date: 10/04/2026!