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Salary
$92k – $108k per year
Location
In office (Denver)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Aug 12, 2026. Xcimer Energy scores A on the Alion truth index.

Overview
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Impact
Profile match
Xcimer Energy is a Denver-based company developing laser-driven inertial fusion power and high-energy laser systems for air defense, built around large electron-beam-pumped excimer lasers. In 2024 it began building Phoenix, its first high-energy laser system, in its Denver laser bay, it has had a fusion power plant preconceptual design milestone approved by the US Department of Energy, and RTX has invested in it to develop directed energy technology. It hires optical, laser, pulsed power and nuclear engineers, physicists and materials scientists, scientific software and data engineers, technicians, quality and supply chain leaders, and summer interns.

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!

This is a full-time, onsite role based at our headquarters in Denver, CO.

As an Laser and Optics Controller for Phoenix, you will apply your technical and operational skills to operating, troubleshooting, and maintaining the laser and optical components in a state-of-the-art laser system. You will learn from our laser and optics subject matter experts and be one of the first to formally qualify to operate the system. Once qualified, you will serve as Beamline Controller - interacting with our control interface and working with the Shot Director to execute critical procedures in our laser experiment operations. During maintenance and upgrade operations, you will also perform hands on work on the system to troubleshoot, perform corrective and preventive maintenance, and execute system upgrades. We are looking for our controllers to apply their technical expertise, problem solving skills, and dedication to quality to positively impact the future of energy!

Responsibilities

    • Train and qualify as a Laser and Optics Controller for the Phoenix Laser System
    • Serve as a Laser and Optics Controller, executing procedures and working in support of the Shot Director, during laser experiment operations
    • Develop procedures and other shot operations infrastructure for the Phoenix pulsed power system
    • Troubleshoot performance anomalies both during shot operations and during maintenance activities
    • Perform hands-on integration and maintenance work with the Phoenix team during maintenance and upgrade windows

Qualifications

    • Education: Masters or Bachelors degree in optics, physics or other related discipline
    • Experience manufacturing or operating optical hardware
    • Must be willing to work on a set 8-hour shift with set start and stop times. Must also be willing to work overtime on non-shift hours during critical times.
    • Ability to read and interpret basic optical specifications of COTs and Custom components.
    • Understanding of coating purpose and limitations, including reflectivity, bandwidth, angle sensitivity, and damage threshold.
    • Understanding of appropriate optic cleaning techniques based on optic type and coating, including when cleaning is acceptable and when it should be avoided.
    • Ability to handle delicate components and performing precise adjustments.
    • Basic understanding of physical processes such as absorption, gain, scattering, and saturation.
    • Proficiency with two aperture beam alignment techniques.
    • Ability to manipulate beam propagation, for example recollimating an expanding beam or adjusting focus position.
    • Understanding of laser safety principles, including eyesafe wavelengths, exposure limits, and use of laser safety eyewear.
    • Ability to select optical components based on given specifications, including diameter, coating, flatness, surface quality, and damage threshold.
    • Ability to follow optical layouts and drawings and translate them into physical setups.
    • Basic troubleshooting skills to identify misalignment, clipping, ghost reflections, and common optical issues.
    • Must be able to stoop, kneel, crouch, or crawl, capable of lifting and/or moving up to 50 pounds unassisted for an extended period.
    • 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 of granted asylum

Desired

    • Pulsed power laser experience
    • Working knowledge of control systems and mechanical/pneumatic equipment
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