2mo ago
USD 25–35 per hour

Summer 2027 Internship - Computational and Software Engineering

United StatesUnited States·DenverInternentry
OtherSoftware EngineerInternshipSoftware Engineering
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Quick Summary

Overview

Xcimer Energy leverages decades of research on Inertial Fusion Energy (IFE) combined with groundbreaking new laser architecture.

Technical Tools
OtherSoftware EngineerInternshipSoftware Engineering
Xcimer Energy leverages decades of research on Inertial Fusion Energy (IFE) combined with groundbreaking new laser architecture. Our mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. Xcimer has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by leading investors, Xcimer is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. Join us in powering a better world with inertial fusion!
 
Join Xcimer’s engineering internship program and gain hands-on experience in designing and building cutting-edge laser-driven inertial fusion hardware and software. As an intern, you will be integral to developing the systems needed for the world’s first commercial fusion energy power plant. We have multiple internship opportunities available across various disciplines, including Mechanical Engineering, Electrical Engineering, Physics, and Software Development. Please apply to the posting that best matches your background and interests.
 
During this 12-week program at our headquarters in Denver, CO, you’ll work alongside an industry expert mentor to tackle complex, real-world challenges in fields such as structures, mechanisms, optics, pulsed power, computational engineering, plasma physics, and manufacturing. We are seeking interns who are passionate about applying their technical skills, problem-solving abilities, and commitment to quality to drive the future of clean energy!
 
Application close date: 12/31/2026
  • 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
  • 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 engineer, physics, nuclear engineering, or other related engineering discipline.
  • Application of technical skills outside of the classroom (examples include: 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 (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.
  • Location & Eligibility

    Where is the job
    Denver, United States
    On-site at the office
    Who can apply
    US

    About this job

    Pay per year
    ≈ $52,000–$72,800 a year
    67% below the $187,500 median for Software Engineer jobs on Jobera (7,202 salaries).
    Who can apply
    United States
    Posted
    61 days ago
    Employer
    has 65 open jobs on Jobera.

    Listing Details

    Posted
    September 11, 2026
    First seen
    September 11, 2026
    Last seen
    November 11, 2026

    Posting Health

    Days active
    60
    Repost count
    0
    Trust Level
    42%
    Scored at
    November 11, 2026

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    Summer 2027 Internship - Computational and Software EngineeringUSD 25–35 per hour