Fusion Energy Mechanical Engineering Intern - Denver

U.S. Fusion Energy; Illinois; On-site; USD 34,000 - 48,000; Full time

Job summary

Xcimer Energy invites motivated interns to join a 12-week program at our Denver, CO headquarters. Internships span Mechanical, Electrical, Physics, Nuclear, and Software disciplines, offering hands-on design and analysis on laser-driven inertial fusion hardware and software.

Experience in CAD, strong communication, and passion for fusion energy are valued. Applications close 12/31/2026; interns work onsite full-time and mentor-guided projects align with our mission to deploy fusion power plants.

Qualifications

• Qualified candidates must be enrolled in a Bachelor's, Master’s or PhD degree program from an accredited college or university in mechanical engineering, electrical engineering, physics, nuclear engineering, or other related engineering discipline.
• Application of technical skills outside of the classroom (extracurricular projects, volunteering, personal projects, laboratory research, or prior internship/work experience).
• Proficiency in CAD software for 3D modeling and simulation.
• Strong written, verbal, communication, and interpersonal skills.
• Passion for fusion energy!
• Ability to work full‑time onsite through the duration of the 12 week internship program in Denver, CO.
• Must be a U.S. citizen or national, U.S. permanent resident (Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Responsibilities

• Mechanical design and hardware development
• Mechanical and thermal analysis using finite element analysis
• Systems engineering
• Manufacturing engineering
• Electrical engineering (pulsed power)
• Control systems engineering
• Computational and software engineering (simulations)
• Nuclear engineering
• Optical engineering
• Plasma physics

Skills

CAD software

Communication skills

Fusion energy

Education

Bachelor/Master/PhD student

Job description

Xcimer Energy invites motivated interns to join a 12-week program at our Denver, CO headquarters. Internships span Mechanical, Electrical, Physics, Nuclear, and Software disciplines, offering hands-on design and analysis on laser-driven inertial fusion hardware and software.

Experience in CAD, strong communication, and passion for fusion energy are valued. Applications close 12/31/2026; interns work onsite full-time and mentor-guided projects align with our mission to deploy fusion power plants.