Space System Engineer; F​/M​/D

CSEM's Instrumentation Division, based in Neuchâtel, is now looking for a System Engineer to join our growing space activities, contributing to missions such as the Laser Interferometer Space Antenna (LISA) and the Next Generation Gravity Mission (NGGM).

• Define system architecture and requirements in accordance with ESA practice.
• Coordinate the design and integration of optical, mechanical, electronic, and control subsystems for advanced space instrumentation.
• Work collaboratively with cross‑functional teams (, electronics, software) to ensure consistent system integration and alignment across all project phases.
• Coordinate the design of ground support equipment, including cabling and control logic, ensuring complete documentation as well as compliance with safety, grounding, and EMC requirements.
• Perform system‑level integration, functional verification, and performance environmental testing.
• Prepare technical documentation, such as ICDs, test procedures, verification matrices, and review packages for ESA milestones.
• Conduct hands‑on laboratory work, including assembly, troubleshooting, optical alignment, calibration, and measurement data analysis.

• MSc/PhD in Physics, Photonics, Electrical/Mechanical Engineering, Mechatronics, or equivalent.
• Strong background in system engineering, with solid knowledge in at least two of the following: optics/photonics, mechanics/opto‑mechanics, electronics, automation/control.
• Experience in flight hardware or ground support equipment (OGSE/MGSE) design, integration, or testing.
• Ability to produce and maintain technical documentation, including specifications, ICDs, verification plans, and test reports.
• Proficiency with ECSS standards and engineering workflows used in Experience with requirement management software (preferably req Suite RM), data analysis, FE modelling, or simulation tools (e.g., COMSOL, Altair, Python, MATLAB).
• Strong communication skills, enabling effective interaction with optics, mechanics, electronics, software, QA, and project management teams.

• Strong communication skills, enabling effective work with multidisciplinary teams.
• Rigorous, structured, and reliable working style.
• Proactive, curious, and motivated, with a hands‑on attitude.
• Team‑oriented mindset with the ability to coordinate across disciplines.
• Creative, solution‑focused, and able to troubleshoot complex technical issues.
• Fluency in French and English, German is considered a strong asset.

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity.