Space Instrumentation Mechanical Engineer — Cleanroom Precision

cosine Research BV; Sassenheim; Hybrid; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid working options

Annual bonus

27 days of annual leave

Company bicycle program

Personal development budget

Initial one-year contract

Job summary

cosine is seeking a Mechanical Engineer to design and realise precision mechanical assemblies for space instrumentation. You will translate concepts into robust 3D models for manufacture, ensuring flawless assembly in cleanroom environments.

Your work supports systems operating in extreme conditions and delivering trusted data for space exploration. You will collaborate with multidisciplinary teams to move from concept to validated hardware, contribute to optics assembly processes, and

Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering or related field.
• 5–10 years of relevant high-tech or precision engineering experience.
• Hands-on 3D CAD experience, preferably SolidWorks.
• Knowledge of GD&T and tolerancing best practices.
• Experience in DFMA and opto-mechanical design.
• Affinity with cleanroom environments and precision assembly workflows.
• Familiarity with materials, manufacturing techniques and tight tolerances.
• Familiarity with Abaqus is a plus; Python scripting is a plus.
• Strong written and spoken English.

Responsibilities

• Create detailed 3D CAD models and assemblies optimized for manufacturing.
• Develop mechanical designs for cleanroom environments with precision and contamination control.
• Optimize designs for performance, manufacturability and cost.
• Collaborate with multidisciplinary teams from concept to validated hardware.
• Support assembly and integration of high-precision components and systems.
• Contribute to Silicon Pore Optics assembly process development.
• Perform and support vibration and shock testing.
• Work with coordinate measurement machines for inspection and validation.
• Improve assembly processes and tooling to enhance quality and efficiency.

Skills

3D CAD

GD&T

DFMA

Opto-mechanical design

Cleanroom workflows

Finite element analysis

Python scripting

Education

Bachelor or Master in Mechanical Engineering

Tools

SolidWorks

Abaqus

Job description

cosine is seeking a Mechanical Engineer to design and realise precision mechanical assemblies for space instrumentation. You will translate concepts into robust 3D models for manufacture, ensuring flawless assembly in cleanroom environments.

Your work supports systems operating in extreme conditions and delivering trusted data for space exploration. You will collaborate with multidisciplinary teams to move from concept to validated hardware, contribute to optics assembly processes, and