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  3. Principal Mechanical Engineer
Commonwealth Fusion Systems logo

Principal Mechanical Engineer

Commonwealth Fusion Systems
Milpitas, California
Full Time
Posted October 17, 2025
Nuclear Energy
Apply Now

Application opens on company website

Job Description

A Principal Mechanical Engineer responsible for designing and implementing advanced research and development equipment and complex machinery for fusion energy technology, collaborating across engineering teams to ensure safety, reliability, and high performance in a fast-paced, innovative environment.

Key Responsibilities

  • Design and implement advanced R&D equipment and complex machinery
  • Collaborate across engineering and technology teams to ensure equipment safety, reliability, and high performance
  • Apply strong technical expertise and procedural discipline to equipment development
  • Mentor team members and solve complex design problems

Requirements

  • The candidate must have strong technical expertise in mechanical engineering related to the design and implementation of advanced research and development equipment and complex machinery.
  • The candidate must have procedural discipline in engineering practices.
  • The candidate must have the ability to collaborate across engineering and technology functions to ensure the design of safe, reliable, and high-performance equipment.
  • The candidate must have experience working on complex design problems in a fast-paced environment.
  • The candidate must have experience mentoring other engineers or team members.
  • The candidate must be able to solve engineering problems collaboratively within a team environment.
  • The candidate must be willing to work onsite at the company's location.

Benefits & Perks

Competitive salary and compensation package (implied by professional level and industry standards)
Work in a fast-paced, collaborative environment
Opportunities to work on advanced research and development equipment
Mentoring and problem-solving in a team setting
Diverse and inclusive workplace culture
Potential for impact in the energy industry and fusion technology

Ready to Apply?

Join Commonwealth Fusion Systems and make an impact in renewable energy

Apply Now

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