Fusion Systems Mechanical Engineer (Associate)-Equity & PTO

Realta Fusion; Madison (WI); On-site; USD 65,000 - 95,000; Full time

Benefits offered by this job

Equity stock options

Health, dental, and vision insurance

Retirement savings plan

Flexible PTO

Job summary

Realta Fusion is seeking an Associate Mechanical Engineer to join our engineering and scientific teams in Madison, WI. You will provide critical input on our technology development roadmap and support the Hammir-DD reactor-scale platform ahead of the pilot plant.

This role emphasizes hands-on design, analysis, and collaboration across disciplines. You will develop 3D models and drawings for ultra-high vacuum systems, work with vendors, and help implement safety standards while contributing to an

Qualifications

• BS in Mechanical Engineering or a related field.
• Experience with 3D CAD design using SolidWorks, NX, Creo, or similar tools.
• Hands-on experience with machine shop practices and fabrication techniques (welding, brazing, EDM, waterjet, milling).
• Excellent interpersonal and communication skills to collaborate with colleagues, external partners, and stakeholders.

Responsibilities

• Develop 3D models and technical drawings for beamline and fusion device elements, support structures, and components to be operated in ultra-high vacuum environments.
• Contribute to the design and development of primary and secondary mechanical fusion components and subsystems.
• Participate in mechanical-system design, mechanical stress analysis, thermal analysis, and fatigue analysis.
• Work with vendors and internal resources to fabricate, assemble, test, and validate components.
• Supply hands-on support in fabrication and assembly of prototype and laboratory systems, up to operating machine shop equipment.
• Communicate daily with project teams and leadership to support programmatic needs.
• Contribute to the establishment of company safety standards and lead implementation within R&D and Engineering team.
• Foster a positive and inclusive work environment aligned with mission, values, and sustainability goals.

Skills

3D CAD design

SolidWorks

NX

Creo

Hands-on machining

Communication

Education

BS in Mechanical Engineering or related field

Tools

SolidWorks

NX

Creo

Job description

Realta Fusion is seeking an Associate Mechanical Engineer to join our engineering and scientific teams in Madison, WI. You will provide critical input on our technology development roadmap and support the Hammir-DD reactor-scale platform ahead of the pilot plant.

This role emphasizes hands-on design, analysis, and collaboration across disciplines. You will develop 3D models and drawings for ultra-high vacuum systems, work with vendors, and help implement safety standards while contributing to an