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Systems Engineer (3-5 year experience)

  • Paris
  • Full-time
  • As soon as possible

You must have citizenship from a country of the European Union or NATO to apply to this position, excluding the USA, to apply for this position.

SpaceLocker is seeking a talented systems engineer to join our Operations team. In this role, you will be responsible for managing documentation & requirements for our missions, and work closely with the Engineering team and the Project Managers to drive the definition, the integration & the operations of our projects and missions with a special focus on institutional missions.

Your Mission

In this position, you will work with the Head of Operations to:

  • Own and structure system requirements across SpaceLocker’s missions, ensuring consistency, traceability and alignment with customer and mission needs,
  • Lead the production and maintenance of technical documentation (system budgets, ICDs, SOWs, verification plans, reviews…),
  • Support the definition and consolidation of mission architectures, with a focus on clarity, robustness and documentation rather than detailed design,
  • Coordinate interfaces between engineering, project management and external partners, ensuring requirements are well understood and properly flowed down,
  • Prepare and support key project reviews (MRR, PDR, CDR, acceptance), including documentation readiness and review packages,
  • Contribute to verification and validation activities, ensuring requirements are testable, verified and properly documented,
  • Support institutional missions by aligning deliverables and documentation with ESA / agency standards and expectations,
  • Continuously improve SpaceLocker’s systems engineering practices, tools and documentation standards.

Your Profile

This list is not exhaustive nor exclusive. No self-censorship here, if you think your profile fits, even if not ticking all the boxes, feel free to apply and explain to us why in your first email!

Hard skills

  • You have a formal training in STEM and 3–5 years of experience in systems engineering, ideally in the space industry,
  • You have strong experience in requirements definition, management and documentation in institutional programs (CNES, ESA,…)
  • You are comfortable producing clear, structured technical documentation and working in review-driven environments (PDR/CDR…),
  • You understand system-level constraints (mass, power, data, interfaces…) even if you are not primarily a detailed designer,
  • Experience with verification & validation processes is a strong plus,
  • Familiarity with institutional standards (ESA, ECSS) is a plus,
  • Fluent French and English.

Soft skills

  • You are structured, rigorous and detail-oriented, and enjoy bringing clarity to complex systems,
  • You are comfortable working at the interface between teams and aligning different stakeholders,
  • You have strong written communication skills and care about producing high-quality documentation,
  • You are autonomous and adaptable – startup environments require flexibility,
  • You are passionate about space and have a solid understanding of the space ecosystem.

About the Company

SpaceLocker is building an orbital hosting service to make space missions faster, simpler and more sustainable.

We enable organizations to fly sensors, instruments and in-orbit experiments as hosted payloads on shared orbital infrastructure, without having to develop and operate a full satellite mission themselves. By standardizing payload integration across multiple host platforms, SpaceLocker helps customers reduce complexity, shorten time-to-orbit and improve mission efficiency.

Our approach combines proprietary hardware and software technologies to deliver a more modular, scalable and sustainable way to deploy capabilities in orbit.

SpaceLocker is a company firmly engaged about diversity and inclusivity, of age, gender, origins, handicap or any other characteristic. Progress and inclusion are not just corporate speech: we are aware it needs actual efforts and compromises.

Apply now!

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