Senior Space Payload Design Engineer

Interstellar Lab Inc; Paris; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Interstellar Lab Inc in Paris is seeking a Senior Payload Design Engineer to lead the design, integration, and flight qualification of experimental payloads for near-Earth and orbital missions.

You will work with mechanical, electrical, and software engineers to define requirements, manage interfaces, and ensure safety and performance targets across programs with SpaceX/Blue Origin familiarity preferred. In-person or hybrid role in France.

Qualifications

• Master’s degree in mechanical, aerospace, or systems engineering.
• 6+ years of payload or flight hardware design for space missions.
• Experience with NASA, ESA, or commercial space programs preferred.
• Strong communication and cross-functional teamwork skills.

Responsibilities

• Lead payload design and integration from concept to flight operations
• Define and manage system and interface requirements across disciplines
• Conduct testing, verification, and validation of flight hardware
• Support mission planning and coordination with launch providers
• Ensure compliance with commercial spaceflight and safety standards
• Resolve technical issues during assembly and qualification phases
• Maintain technical documentation, reports, and configuration updates
• Participate in design reviews and continuous system optimization

Skills

3D CAD modeling

Systems integration

Testing standards

Payload integration

Cross-functional teamwork

Spaceflight experience

Education

Master’s degree in mechanical, aerospace, or systems engineering

Job description

Interstellar Lab Inc in Paris is seeking a Senior Payload Design Engineer to lead the design, integration, and flight qualification of experimental payloads for near-Earth and orbital missions.

You will work with mechanical, electrical, and software engineers to define requirements, manage interfaces, and ensure safety and performance targets across programs with SpaceX/Blue Origin familiarity preferred. In-person or hybrid role in France.