HE Space is a successful international space company, specialised in providing managed services and human resources to the international space sector for over 40 years.
We hire space experts all over Europe across the whole spectrum of space-related activities, from engineering to science, software development, operations, marketing, finance and administration. Our employees contribute towards a wide range of groundbreaking space programmes including Galileo and Copernicus, ExoMars, Iris2, ESA BASS, ESA GSPT, LISA Pathfinder, Euclid, the Ariane and Vega launchers as well as the International Space Station.
HE Space has joined forces with CS Group and Sopra Steria to lead the engineering and digital space market in Europe and to provide highly skilled consulting.
We are passionate about people and invest in you to support the development of the European space industry. 

• Support the definition, review, and refinement of security architectures for end‑to‑end satcom systems, covering both space and ground segments.
• Analyse system and subsystem designs for compliance with relevant security requirements.
• Identify risks, propose mitigations, and ensure proper implementation of security-by-design principles.
• Contribute to threat modeling, vulnerability assessments, and risk management activities (STRIDE, attack trees, asset classification).
• Review and validate security mechanisms of solutions relying on 5G/3GPP protocols, including RAN, Core, and NTN (Non-Terrestrial Network) components.
• Ensure proposed solutions comply with 3GPP SA3 security standards, including authentication, encryption, integrity protection, key derivation, and network slicing security.
• Maintain up‑to‑date knowledge of 3GPP security releases, known vulnerabilities, and relevant work items.
• Ensure compliance with regulatory and customer‑driven security requirements (Gov/Mil, ESA, ECSS, national regulations).
• Support verification of security controls at system and subsystem level.
• Contribute to IV&V (Integration, Verification & Validation) activities focusing on security.
• Prepare and maintain documentation: security concepts, risk assessments, design descriptions, test plans and reports.
• Communicate complex security topics clearly to technical and non‑technical stakeholde

• Master’s degree in Cybersecurity, Computer Science, Telecommunications, Electrical Engineering, or similar.

• 8+ years of experience in security engineering, preferably in satcom, telecom, or critical infrastructure.

• Solid understanding of:
  • Satellite communication system architecture (space, ground, interfaces).
  • Secure communication protocols (IPsec, TLS, MACsec) and cryptographic principles.

• Experience with security risk assessment methodologies.

• Familiarity with security certification frameworks such as Common Criteria.
• Ability to review technical documentation and ensure alignment with security standards.
• Strong analytical and problem‑solving skills.
• Excellent technical communication and documentation skills.

This job is located in Noordwijk, the Netherlands.

If you think you have what it takes for this job, please send your CV by clicking on the button “Apply for this job” quoting job NL-HP-26024.

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: 28/02/2026!