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Salary
$140k – $175k per year
Location
In office (Denver)
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Sep 18, 2026. Xcimer Energy scores A on the Alion truth index.

Overview
Company
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.

Join our team as a Optics Manufacturing Engineer, where you'll optimize production of optical assemblies, vessels, diagnostics, and potentially lenses and mirrors, for quality and throughput. Your role will involve translating engineering designs into fully operational hardware, optimizing existing production lines, and ensuring top-notch quality standards. You will do this primarily through work instruction authoring, manufacturing training development and coaching, as well as through hands on assistance and hands on build. You will also drive continuous improvement of quality and throughput, driving and executing needed manufacturing and product changes. You will also serve as the first point of contact for the production teams when they escalate a technical issues. Embrace the opportunity to work on cutting-edge technology aimed at revolutionizing energy production. We are looking for our engineers to apply their technical expertise, problem solving skills, and dedication to quality to positively impact the future of energy.

Responsibilities

    • Provide DFM/A (design for manufacturing/assembly) input to the product design team to eliminate or simplify processes and tooling.
    • Translate engineering intent, drawings, and configurations into fully functional hardware ready for test, qualification, and use.
    • You will create, interpret, and modify work instructions and routings to convey procedures to technicians and trigger material planning, and fabrication processes.
    • Driving continuous improvement of manufacturing process, you will also identify, develop, and deploy methods to improve quality, reduce cost, and optimize build sequences and schedules.
    • Provide oversight and hands-on assistance during assembly by interdisciplinary technicians.
    • Define and support repair and rework procedures as needed. Disposition NCRs where delegated by the Responsible Engineer.
    • Handle procurement activities for hardware, tools, and facility equipment.
    • Maintain ongoing operation of the equipment and systems.
    • Manage hardware configuration and maintain pedigree throughout the build and test phases.
    • Validate assembly or operations safety procedures with the assistance of interdisciplinary engineers and safety personnel (HV, Oil Handling, Radiation Safety, etc)
    • Coach and mentor more junior manufacturing engineers and technicians

Qualifications

    • Bachelor of Science degree in Mechanical, Manufacturing, Industrial, or Aerospace Engineering or work equivalent.
    • Possess 8+ years of direct manufacturing and manufacturing engineering experience within an R&D environment.
    • Develop clear manufacturing work instructions covering fabrication (additive, subtractive and material joining), assembly, testing, and integration processes.
    • Demonstrate strong management skills in quality control, build sequence optimization, and schedule adherence throughout manufacturing.
    • Conduct engineering drawing reviews and provide final approval for manufacturing.
    • Proficient in root cause analysis and implementing corrective actions for non-conformances.
    • Possess a solid understanding of mechanical design and manufacturing principles, including GD&T.
    • Proficient in various software tools including CAD (Siemens NX), scheduling software, issue tracking systems, Microsoft Excel, Word, PowerPoint, and Outlook.
    • Adept at learning new software and tools.
    • Exhibit excellent verbal and written communication skills.
    • Capable of supporting manufacturing floor activities, climbing stairs, working in confined spaces, and lifting and carrying up to 40 lbs.
    • Individual must possess a high level of dexterity to manipulate optics and execute configuration changes without incident.
    • 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.
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