
Junior Mechanical Engineer
1w1 week agoFocused Energy
Darmstadt, DE · Full-time · €45,000 – €55,000
About this role
Focused Energy is a pioneering fusion energy startup dedicated to delivering unlimited, clean energy using laser-induced inertial fusion. As a Junior Mechanical Engineer, you will support the design, development, and integration of mechanical systems across innovative projects. This position suits early-career engineers eager to work with advanced experimental hardware.
You will assist in designing mechanical components and assemblies, create 3D models using Autodesk Inventor, and support layouts for laboratory equipment integration. Daily tasks include prototype development, testing, troubleshooting, and managing design files in the Vault system. You will also help with engineering calculations for structures, thermal loads, and tolerances.
Collaborate closely with senior engineers on core design tasks and documentation. Work alongside electrical, mechanical, and controls engineers during system integration and design reviews. Participate in multidisciplinary projects within a dynamic startup environment focused on sustainable energy.
Gain hands-on experience building experimental systems and contributing to complex engineering challenges. Develop critical skills in mechanical design, CAD modeling, and laboratory infrastructure. Learn processes that underpin the development of cutting-edge fusion power generation technology.
Requirements
- Bachelor’s degree in Mechanical Engineering or a related discipline
- Basic experience with 3D CAD software (Autodesk Inventor preferred)
- Strong interest in mechanical system design and experimental hardware
- Solid problem-solving and analytical skills
- Ability to work effectively in a collaborative team environment
- Internship or university project experience involving mechanical design
- Hands-on experience with laboratory or prototype systems
- Familiarity with vacuum systems, instrumentation, or precision mechanical assemblies
Responsibilities
- Assist in designing and developing mechanical components and assemblies
- Create and update 3D models and drawings using Autodesk Inventor
- Support mechanical layouts and equipment integration within laboratory settings
- Contribute to the development and assembly of experimental mechanical systems
- Produce engineering drawings and models under the guidance of senior engineers
- Assist in creating Bill of Materials (BOM) and documentation packages
- Support the build, assembly, testing, and troubleshooting of prototypes
- Help with engineering calculations for structure, thermal loads, and mechanical tolerances
Benefits
- Hands-on experience with advanced experimental hardware
- Develop skills in mechanical design and system integration
- Work on pioneering laser-induced inertial fusion projects
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