Hybrid Senior Systems Engineer – In-Orbit Cryo Refuelling

at The Exploration Company

• Job title: Senior Systems Engineer – In-Orbit Cryo Refuelling
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Postgraduate Degree
• Tech skills: Python
• Location requirements: Hybrid, Luxembourg

About the role

• Systems Senior Engineer developing modular space orbital vehicle solutions at The Exploration Company. Leading system architectures and supporting cross-disciplinary engineering development for in-space refueling technologies.

Responsibilities

• Translate use cases and stakeholder needs into technical architectures and requirements.
• Lead the definition of system-level concepts and support cross-disciplinary engineering development.
• Drive the early phases of new technology maturation (Phase 0/A/B1).
• Contribute to building the foundation for sustainable, scalable orbital systems.
• Define system-level requirements and ensure proper flow-down to subsystem levels.
• Develop and maintain functional and physical architectures.
• Define the system functional breakdown and support specification tree development.
• Develop Interface Control Documents (ICDs) and manage interfaces with internal teams and partners.
• Perform technical trade-offs and investigations at the system level (e.g., coupling mechanisms, refuelling strategies).
• Create and maintain system-level budgets (mass, power, data, etc.).
• Contribute to the project development plan and technical schedule alignment.
• Coordinate with engineering teams across propulsion, thermal, avionics, fluids, and software.
• Organize and contribute to internal co-engineering sessions and external partner meetings.
• Set agenda, track actions, coordinate priorities, and take decisions.
• Support customer-facing technical reviews: Prepare data packs, manage RIDs, and ensure traceability.
• Contribute to risk identification and early verification planning (V&V matrix).
• Support mission analysis and definition of operational concepts (CONOPS).
• Contribute to technology development roadmaps and maturation planning.

Requirements

• Advanced degree (MSc) in Aerospace Engineering, Systems Engineering, or another related field.
• Over 5 years of experience in the aerospace industry.
• Proven experience in early development phases (Phase 0/A/B).
• Solid understanding of architecture design, requirement engineering, and interface control.
• Basic programming/scripting ability (E.g., Python, Matlab, Fortran) for system modelling or tool automation.
• Fluency in English.
• Familiarity with MBSE tools (Desirable).
• Familiarity with ECSS or NASA systems engineering standards (strong plus).
• Knowledge of German, French and/or Italian.

Benefits

• Relocation assistance
• Visa sponsorship when applicable