For more than two decades, CSEM has been contributing to some of Europe’s most demanding space missions, developing cutting edge photonics, opto‑mechanical and timing instrumentation technologies. Our teams have supported multiple flagship programs across space science, Earth observation, precision metrology, and quantum technologies — from pioneering precision mechanisms for space to cutting edge photonics‑based instruments and advanced ground support equipment.
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). These missions push the boundaries of ultra‑stable lasers, precision opto‑mechanical systems, and state‑of‑the‑art measurement technologies — areas where CSEM has long‑standing expertise.
Your mission
As a System Engineer, you will act as the architect of flight and ground space equipment. You will work closely with project managers and a multidisciplinary team to tailor technical solutions and ensure that all optical, mechanical, electronic, and control elements integrate into a coherent and reliable system.
Your responsibilities
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 (optics, mechanics, 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.
Your profile
Know‑how
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 ESA projects
Experience with requirement management software (preferably reqSuite 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
Interpersonal skills
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.
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