JUST ONE, on behalf of its client, a leading European space and technology company driving cutting-edge satellite systems and aerospace engineering solutions, is looking for a motivated and technically driven OBSW Verification & Validation Engineer to join their growing team in Greece.

The Verification & Validation Engineer contributes to the validation of Satellite Core SoftWare (SCSW). The role focuses on requirements‑based testing, test automation, and verification. This position is ideal for an early‑to‑mid‑career engineer with a strong interest in onboard software, validation processes, and space systems, who is comfortable working in a structured, tool‑driven environment aligned with ESA standards.

Responsibilities

• Create validation test case specifications (VTS) for requirements based on technical specification TS (based on SRS and ICD, see inputs section of this d...