Satellite Cybersecurity Architect

Blackshark; Mont-Saint-Guibert; Sur place; EUR 110 000 - 170 000; Plein temps

Résumé du poste

Aerospacelab is seeking a Satellite Cybersecurity Architect to define and own the cybersecurity architecture across our satellite platforms, setting secure development practices, designing secure boot, and managing cryptographic keys across the fleet. You will work with Satellite Software, Embedded, and FPGA/EE teams to embed security from the start and ensure verification with V&V.

In this role you will stay updated on evolving space cybersecurity threats and continuously improve Aerospacelab's

Qualifications

• MSc or PhD degree in Computer Science, Cybersecurity, or related field.
• Hands-on experience with embedded systems security (C, Python).
• Practical experience with secure boot, trusted execution, or hardware root-of-trust concepts.
• Strong understanding of cryptography fundamentals and key management practices (symmetric/asymmetric).
• Ability to lead technical discussions and communicate security decisions to multidisciplinary teams.

Responsabilités

• Define and own the satellite cybersecurity architecture across on-board software and hardware.
• Establish secure coding standards and development best practices.
• Design and implement secure boot and trusted execution methodologies.
• Define and manage cryptographic key management across satellite platforms and missions.
• Perform threat modeling and risk assessments on satellite software and links.
• Define security requirements and ensure traceability through V&V.
• Collaborate with hardware and software teams to embed security from the start.
• Coordinate with operators and ground IT security teams to maintain security end-to-end.
• Stay updated on emerging space cybersecurity threats and standards.

Connaissances

C

Python

Embedded security

Cryptography

Security architecture

Team leadership

English fluency

Formation

MSc/PhD in Computer Science or Cybersecurity

Outils

Secure boot

Trusted execution

Hardware root-of-trust

Cryptography libraries

Description du poste

About Aerospacelab

Our mission is supported by an ambitious vertically integrated approach: design & manufacture of small satellites combined with development of earth observation services.

Since its creation in 2018, the company has already grown substantially. Our team gathers more than 25 engineering expertise, from hardware design to software development & data science.

In 2026, Aerospacelab counts offices in Louvain-la-Neuve (Belgium), Toulouse (France), Lausanne (Switzerland) and US West Coast with more than 350 full-time employees, with the ambition to position itself as the European leader in small satellites.

Role Overview

Satellites are increasingly connected, software-defined systems - which means they are also increasingly exposed to cyber threats, from the on-board software running on our units to the links connecting them to the ground. As we continue to expand our team, we are seeking a talented and motivatedSatellite Cybersecurity Architectto make sure the software we fly is secure by design and that our satellites cannot be compromised.

As Satellite Cybersecurity Architect, you will define and own the cybersecurity architecture across our satellite platforms: setting the secure development practices our software teams follow, designing and implementing mechanisms such as secure boot, and owning the strategy for how cryptographic keys are generated, distributed, stored, and rotated across the fleet. You will work closely with the Satellite Software Architect, Embedded Software Engineers, and EE/FPGA engineers to embed security into the architecture from the start rather than bolting it on afterwards, and with satellite operators and V&V teams to make sure security requirements are actually verified and hold up in operations.

At Aerospacelab, our motto is work hard, play hard. We strive to innovate, in a fun and inclusive work environment. We work in short cycles - no waiting for years before seeing designs go live and get valuable feedback. Expect an exciting job, where you will learn constantly and help make sure that what we build stays trustworthy once it's in orbit.

Key Activities

• Define and own the satellite cybersecurity architecture, covering on-board software, unit-level firmware, and the interfaces between units.
• Establish secure coding standards and development best practices (e.g. secure SDLC, code review guidelines, static/dynamic analysis) and support software teams in applying them.
• Design and implement secure boot and trusted execution methodologies and flows across our on-board computers and units.
• Define and own the strategy and processes for cryptographic key management: generation, distribution, storage, rotation, and revocation across satellite platforms and missions.
• Perform threat modeling and security risk assessments on satellite software and communication links (TT&C, payload data links), and define mitigations.
• Define security requirements at satellite and unit level, and ensure they are traceable and verified through the V&V process.
• Collaborate with the Satellite Software Architect, Embedded Software Engineers, and FPGA/EE engineers to embed security into architectural and design decisions from the start.
• Coordinate with satellite operators and ground-segment IT security teams to make sure security is maintained consistently from on-board software to ground infrastructure.
• Stay current on emerging space cybersecurity threats and standards, and continuously improve Aerospacelab's security posture based on lessons learnt.

Must Have

• MSc, or PhD degree in Computer Science, Cybersecurity, or related field.
• Solid experience in embedded systems security, with hands-on knowledge of C and Python.
• Practical experience with secure boot, trusted execution, or hardware root-of-trust concepts.
• Solid understanding of cryptography fundamentals and key management practices (symmetric/asymmetric encryption, key exchange, PKI).
• Ability to lead technical discussions, structure trade-offs clearly, and communicate security decisions to multidisciplinary teams that may not have a security background.
• Ability to work across the hardware/software boundary.
• Demonstrated ability to work across teams to drive security practices to adoption with a high degree of autonomy.
• Good communication skills and fluency in English.

Nice To Have

• Experience in the space sector, or in another safety/security-critical embedded industry (automotive, defense, medical, industrial control systems).
• Familiarity with space cybersecurity standards and guidance (e.g. CCSDS security standards, ECSS-Q-ST-80, NIST SP 800-53/800-171, or equivalent).
• Experience with secure communication protocols for constrained or space links (e.g. CCSDS Space Data Link Security, TLS/DTLS for embedded systems).
• Familiarity with hardware security modules (HSMs), secure elements, or trusted platform modules (TPMs).
• Experience with penetration testing, fuzzing, or vulnerability assessment of embedded systems.
• Relevant certifications (e.g. CISSP, OSCP, GICSP or equivalent).