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 AI/ML Data Engineer to join their growing team in Greece.

Responsibilities

• Support the development and optimisation of neural‑network‑based models for on‑board processing.
• Contribute to dataset preparation, preprocessing, and evaluation workflows.
• Assist in prototyping machine‑learning algorithms in Python (PyTorch, TensorFlow, etc.).
• Participate in model optimisation for embedded or resource‑constrained hardware.
• Help integrate,test and benchmark AI algorithms on experimental on‑board computing platforms/accelerators (such as Neuromorphic or FPGA-based).
• Document technical results and support internal reviews.
• Work under the guidance of senior engineers in the Orbital-HPC team.

Requirements

• Master‑level background (on-going or completed) in Computer Science, Electrical & Computer Engineering, AI, Data Science, or related field.
• Familiarity with machine learning or deep learning concepts, computer vision frameworks, model optimization and quantization.
• Advanced experience with Python and ML libraries.
• Ability to work in Linux/Unix environments.
• Basic experience with C/C++ or embedded platforms.
• Interest in Neuromorphic computing.
• Good analytical and communication skills.
• Very good English.

Benefits

• Base Salary €32K/yr - €45K/yr depending on level of experience, can be negotiated for senior profiles
• Direct contribution to validation of flight software for a satellite mission
• Hands-on experience with professionals and mentoring by experienced engineers
• Collaborative, high‑trust culture that values initiative, asking questions early, and taking calculated risks. Exposure to an international leading space industry environment through daily interactions with
• Private health insurance, flexible hours, remote work on a case by case basis, training/certification budget, business travel opportunities, and benefit vouchers.
• Opportunities to grow in space project lifecycle activities
• Locations: Athens or Heraklion