Functional Avionics Architect

At Exotrail, we are developing innovative space logistics solutions to make satellite operations more efficient, sustainable, and accessible. As part of our In-Orbit Services (IoS) division, we are looking for a Functional Avionics Architect to define, maintain, and validate the functional avionics architecture of our satellite platforms.

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You will play a key role in ensuring the consistency, robustness, and traceability of avionics functions across the spacecraft, from system requirements allocation to integration and validation activities.

Your Missions
Avionics Functional Architecture Definition

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• Translate system and mission requirements into avionics functions allocated to spacecraft equipment.
  
• Define and maintain the functional architecture baseline, including functional diagrams, allocations, and operational scenarios.
  
• Lead architecture workshops with System, Software, AOCS, DHS, IVV, and other engineering teams.
  
• Ensure consistency between system requirements and avionics functional implementation.
  

Functional Consistency & Interface Management

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• Ensure functional consistency between avionics equipment such as OBC, PCDU, GNSS receivers, AOCS sensors, and TM/TC systems.
  
• Define and maintain internal functional ICDs, including data flows, synchronization, timing, and command logic.
  
• Drive technical trade-offs while balancing performance, maturity, cost, and system constraints.
  
• Support architectural decisions and interface management throughout the project lifecycle.
  

Integration, Verification & Validation Support

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• Contribute to the definition of IVV strategies, including HIL testing, simulations, and integration benches.
  
• Support the development and validation of FDIR (Fault Detection, Isolation and Recovery) strategies.
  
• Ensure traceability and verification of avionics requirements throughout testing activities.
  
• Contribute to compliance with ECSS and applicable space standards.
  

Project Coordination & Work Package Leadership

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• Act as Work Package Leader (WPL) for Functional Avionics Architecture activities.
  
• Define and maintain planning, workload, milestones, delivery strategy, and project objectives.
  
• Coordinate contributors and ensure the quality, completeness, and traceability of deliverables.
  
• Represent the work package toward project management and other technical teams.
  
• Participate in customer and internal reviews such as PDR and CDR.
  
• Communicate progress, risks, and technical decisions to stakeholders.
  

About You
Required Experience

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• Several years of experience in avionics, systems engineering, functional architecture, or spacecraft development.
  
• Strong understanding of complex systems and the interactions between multiple avionics subsystems.
  
• Experience translating system requirements into functional architectures and technical solutions.
  
• Familiarity with verification, validation, integration, and testing activities.
  
• Experience working in aerospace, space, defense, or other high-reliability industries.
  
• Previous experience in the space sector is a strong plus.
  

Technical Skills

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• Functional avionics architecture design and allocation.
  
• Good understanding of satellite avionics subsystems and their interactions.
  
• Requirements engineering, traceability, and system verification.
  
• IVV methodologies, system validation, and functional testing approaches.
  
• Knowledge of FDIR principles and fault management strategies.
  
• Understanding of ECSS standards and space engineering processes.
  
• Ability to structure and manage complex multi-equipment architectures.
  
• Cross-functional coordination and technical leadership.
  

Soft Skills

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• Strong analytical and systems-thinking mindset.
  
• Excellent technical communication and documentation skills.
  
• Attention to detail and traceability.
  
• Ability to explain complex concepts clearly to different stakeholders.
  
• Leadership, teamwork, and collaboration.
  
• Ability to work in a fast-paced and multicultural environment.
  
• Professional proficiency in English.
  

Why Join Exotrail?

Joining Exotrail means contributing to ambitious missions that are redefining space logistics and satellite operations.

You will work alongside passionate experts