Why This Role Matters

Pacific Fusion is seeking an exceptional Mechanical Engineering Intern to join our dynamic team and create the path to commercial fusion energy. In your role as a mechanical engineering intern, you will get to own a project through the planning, design, assembly, and testing phases of development. Our intention is for our interns to get experience in cradle to grave design as well as hands-on experience building and testing these systems. All of our intern projects are high priority and value-added efforts that directly contribute to the successful development of our fusion system.

What You'll Do

  • Work on a variety of of meaningful projects

What You Bring

  • Junior or Senior standing in a 4-year Mechanical Engineering program
  • Strong foundation in mechanical engineering fundamentals and first principles
  • Clear, confident written and verbal communication skills
  • Working knowledge of stress analysis (hand calcs and FEA), 2D drawings, and design for manufacturing and assembly
  • Experience using 2D and 3D CAD tools such as Creo or SolidWorks

Additional Requirements:

  • Able to work full time, onsite in Los Lunas, NM for a minimum of 10 consecutive weeks beginning in June 2026

Bonus Points For

  • Hands-on mechanical design through coursework, clubs, research, or personal projects
  • Experience with conventional machining, shop tools, and rapid prototyping
  • Experience defining system architectures and making design tradeoffs against requirements
  • Experience writing build instructions, procedures, or test plans
  • Strong measurement, documentation, and data analysis skills
  • Curiosity, humility, and a desire to both teach and learn
  • Ability to design, build, and operate test stands and experimental hardware
  • Experience or strong interest in kinematics
  • Experience or strong interest in structures
  • Experience or strong interest in robotics
  • 6+ months of prior internship, co-op, or substantial project experience
  • GPA of 3.5 or higher
  • Experience with CAD, MATLAB, Python, or Excel

What We Offer

  • Meaningful, resume-building engineering work
  • A chance to design, build, and test real systems
  • Mentorship from experienced engineers in a high-impact environment
  • Exposure to the full product lifecycle—from concept and design to build, test, and operation
  • A collaborative, hands-on, learning-driven culture
  • An unforgettable summer working on systems that truly matter!