Junior Mechanical Engineer (m/f/d)

About Focused Energy Focused Energy is a pioneering fusion energy startup dedicated to delivering unlimited, clean energy to meet the needs of a growing world. Utilizing laser-induced inertial fusion, we are bringing cutting-edge, highly efficient power generation technology to life, ensuring a reliable and sustainable energy future.

Role Overview As a Junior Mechanical Engineer at Focused Energy, you will support the design, development, and integration of mechanical systems across our innovative projects. This position is ideal for early-career engineers eager to work with advanced experimental hardware and develop critical skills in mechanical design, system integration, and laboratory infrastructure. You will collaborate closely with senior engineers, contributing to core design tasks, CAD modeling, and documentation while learning the processes that underpin the development of complex systems.

Key Responsibilities

• Mechanical Design Support
• 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.
• CAD Modeling & Documentation
• Produce engineering drawings and models under the guidance of senior engineers.
• Assist in creating Bill of Materials (BOM) and documentation packages.
• Ensure accurate structuring and management of design files within the Vault system.
• Prototype Development & Testing
• Support the build and assembly of experimental systems.
• Assist in prototype testing and troubleshooting.
• Collaborate with technicians and engineers during system integration and builds.
• Engineering Analysis Support
• Help with essential engineering calculations for structure, thermal loads, and mechanical tolerances.
• Contribute to preparation of documentation for design reviews.
• Cross-Team Collaboration
• Work alongside electrical, mechanical, and controls engineers on integrated systems.
• Participate in design reviews and engineering discussions.
• Support multidisciplinary projects and teams.

Required Qualifications

• 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

Desirable Experience

• 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
• Basic understanding of engineering documentation and design processes

Key Competencies

• Strong curiosity and willingness to learn
• Structured and organized approach to engineering work
• Attention to detail in design and documentation
• Good communication and interpersonal skills
• Enthusiasm for tackling complex engineering challenges

What You Will Gain

• Hands-on experience with advanced experimental engineering systems
• Exposure to multidisciplinary engineering environments
• Mentorship from experienced engineers
• The chance to contribute to the advancement of fusion energy technology

Join us at Focused Energy and help shape the future of clean energy!

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.