Mechanical Engineer Vacuum Systems

Company Overview

Focused Energy is a pioneering fusion energy start-up dedicated to generating clean electrical energy to responsibly meet the worlds growing demand. Founded by globally recognized laser and plasma physicists in partnership with experienced entrepreneurs we are advancing commercial laser-induced inertial fusion technology as a clean scalable and economically viable energy solution.

Position Overview

We are searching for a highly motivated Mechanical Engineer to join our Mechanical Engineering Team in Darmstadt Germany. This hands-on position blends advanced mechanical design using Autodesk Inventor with the practical assembly and integration of laser vacuum and diagnostic systems in both laboratory and cleanroom environments. You will collaborate closely with laser engineers physicists diagnostics experts and controls / electrical teams to develop and assemble the next-generation LIDT test platform.

Key Responsibilities

Mechanical Design & CAD (Inventor)

Develop detailed 3D CAD models in Autodesk Inventor for laser system components optomechanics beamlines diagnostic mounts and vacuum hardware.

Prepare manufacturing drawings layouts assemblies BOMs and engineering documentation.

Create design concepts prototypes and visualization assets for reviews and presentations.

Hands-On Engineering & Assembly

Support assembly installation and alignment of laser components optical mounts vacuum systems mechanical structures and diagnostics.

Work in cleanroom settings during build and integration activities.

Participate in mechanical fit checks iterative designbuild cycles and onsite troubleshooting.

System Integration (Laser Vacuum Diagnostics)

Contribute to the mechanical integration of :

Laser subsystems

Optomechanical assemblies

Large- and small-format optics

Vacuum chambers feedthroughs and pumping systems

Diagnostic and target delivery systems

Ensure designs meet standards for mechanical stability thermal management cleanliness and vacuum compatibility.

Project Support

Assist with infrastructure installations related to the LIDT system.

Collaborate with cross-functional teamsincluding laser controls electrical and facilitiesto deliver integrated solutions within project timelines.

Support procurement activities and liaise with vendors for mechanical components and assemblies.

Required Qualifications

Bachelors degree or higher in Mechanical Engineering or a related field.

Strong proficiency in 3D CAD with Autodesk Inventor preferred.

Several years of experience in mechanical design for complex systems.

Proven ability to deliver complete mechanical designs drawings and assemblies.

Preferred Knowledge / Experience

Experience in one or more of the following areas :

Vacuum system design (UHV / XHV chambers flanges pumping feedthroughs)

Cleanroom procedures (ISO class environments assembly protocols contamination control)

Laser system or optomechanical integration (optics mounts alignment tolerances beam paths)

High-precision mechanical assemblies in laboratory photonics or semiconductor contexts

Design expertise in stability vibration minimization and thermal management

Personal Qualities

Hands-on practical engineering approach with strong problem-solving abilities

Effective team player adaptable to evolving requirements

High attention to detail and quality in engineering work

Excellent communication skills and self-motivation in a fast-paced environment

Work Requirements

Based in Darmstadt Germany with 80% on-site work due to the hands-on nature of the role

Willingness to work in laboratory and cleanroom environments

Occasional travel to vendors partners or other Focused Energy locations as required

Join Us

If youre a mechanical engineer passionate about combining high-end Inventor design with hands-on assembly and you want to contribute to cutting-edge laser systems for fusion-driven innovation we encourage you to apply and help us advance the Focused Energy mission.

Focused Energy is an equal opportunity employer committed to creating an inclusive environment. Qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender perception or identity national origin age marital status protected veteran status or disability status.

Pursuant to the San Francisco Fair Chance Ordinance Focused Energy will consider for employment qualified applicants with arrest and conviction records.

Compensation offered will be determined by factors such as location level job-related knowledge skills and experience. Certain roles may be eligible for incentive compensation equity benefits.

Key Skills

Mechanical Design,System Design,FEA,ASME Codes & Standards,CAD,Mechanical Knowledge,Creo,SolidWorks,Mechanical Engineering,Autocad,HVAC Design,Autodesk Inventor

Employment Type : Full-Time

Department / Functional Area : Engineering

Experience : years

Vacancy : 1