The Exploration Company

Senior Systems Engineer – In-Orbit Cryo Refuelling

The Exploration Company

full-time

Posted on:

Location Type: Hybrid

Location: Luxembourg • Luxembourg

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Job Level

Senior

Tech Stack

Python

About the role

  • 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.
  • Familiarity with ECSS or NASA systems engineering standards (strong plus).
  • Knowledge of German, French and/or Italian.
Benefits
  • Relocation assistance is provided for those willing to relocate including visa sponsorship where applicable

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
architecture designrequirement engineeringsystem modellingtool automationprogrammingscriptingtechnical trade-offsrisk identificationverification planningoperational concepts
Soft skills
leadershipcommunicationorganizationcoordinationdecision makingcollaborationstakeholder managementagenda settingtracking actionsprioritization
Certifications
MSc in Aerospace EngineeringMSc in Systems Engineering