Instrument Development Engineer (m/f/d)

• Mechanical and optomechanical design of scientific instruments: optical bench layouts, kinematic mounts, sample positioning mechanisms, structural enclosures
• Thermal analysis and design of temperature control systems, including thermoelectric (Peltier) regulation for sample environments requiring sub degree stability
• Electronics architecture definition: power distribution, signal routing, connector and cabling layouts for instruments combining lasers, detectors, and embedded computing
• Resource budgets (mass, power, thermal dissipation) and technical content for system-level documentation and specifications
• Prototyping, testing, and design iteration of hardware in close collaboration with the optics and software teams

Your profile

• Graduate degree (Master’s or Ph D) in mechanical engineering, mechatronics, physics, optics or a closely related discipline
• working independently in a small, cross-disciplinary team.
• self-motivated and proactive in concluding assigned tasks according to the company goals
• Proficiency in 3D parametric CAD (Solid Works) for precision mechanical assemblies and mechanism design
• Thermal analysis of instrument-scale systems: steady-state and transient modelling, TEC/Peltier temperature control design
• Prior experience in scientific instrumentation, laboratory equipment, or analytical device development
• Understanding of how optical, mechanical, and electronic sub-systems integrate into a functioning instrument
• Good written and spoken English
• Swiss/EU citizenship or valid working permit for Switzerland
• Your mission
• Mechanical and optomechanical design of scientific instruments: optical bench layouts, kinematic mounts, sample positioning mechanisms, structural enclosures
• Thermal analysis and design of temperature control systems, including thermoelectric (Peltier) regulation for sample environments requiring sub degree stability
• Electronics architecture definition: power distribution, signal routing, connector and cabling layouts for instruments combining lasers, detectors, and embedded computing
• Resource budgets (mass, power, thermal dissipation) and technical content for system-level documentation and specifications
• Prototyping, testing, and design iteration of hardware in close collaboration with the optics and software teams

Your profile

• Graduate degree (Master’s or Ph D) in mechanical engineering, mechatronics, physics, optics or a closely related discipline
• working independently in a small, cross-disciplinary team.
• self-motivated and proactive in concluding assigned tasks according to the company goals
• Proficiency in 3D parametric CAD (Solid Works) for precision mechanical assemblies and mechanism design
• Thermal analysis of instrument-scale systems: steady-state and transient modelling, TEC/Peltier temperature control design
• Prior experience in scientific instrumentation, laboratory equipment, or analytical device development
• Understanding of how optical, mechanical, and electronic sub-systems integrate into a functioning instrument
• Good written and spoken English
• Swiss/EU citizenship or valid working permit for Switzerland

Experience in one or several of the following areas is advantageous

• Electronics design (power distribution, PCB layout, low-noise signal conditioning)
• FEM simulation (structural or thermal)
• Optics, photonics, or laser-based measurement systems
• Space engineering standards (ECSS) or aerospace qualification processes
• Hands-on prototyping (3D printing, CNC, soldering, laboratory assembly)
• Good command of French and/or German

Why us?

• Permanent, full-time position
• You become part of a growing company where your contribution makes a difference, is valued, and is part of our path to further success
• Matrix organization, flexible working conditions in a modern environment
• A company with values dedicated to uncompromising integrity, trust, respect, and teamwork
• Flexible working hours
• International, research-driven team in a cutting-edge technology environment
• Ideal public transport connections – train station right next door for a seamless commute
• Vibrant, diverse culinary scene – modern, hipster-friendly cafés, restaurants, and food spots in the immediate neighbourhood
• Startup ecosystem – located in the heart of a dynamic startup incubator community, fostering innovation and networking opportunities
• Convenient parking facilities nearby

About us

LS Instruments AG, a spin-off from the University of Freiburg, is a technological leader in the field of optical characterization of nanoparticles.

In July 2026, LS Instruments became part of Postnova Analytics Gmb H , marking the beginning of a new chapter for our company.

We recently received a contract to develop a modular light-scattering instrument for the aerospace industry.

In this context, we are enlarging our team and are looking for reinforcement.

We are looking for a dynamic person to join us as an Instrument Development Engineer to take responsibility for the mechanical, thermal, and electronics engineering of our scientific instruments, starting with the space instrumentation project and continuing with our commercial product line.

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