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Salary
$90k – $104k per year
Location
In office (Denver)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Sep 28, 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.

HVAC Technician performs preventative and corrective maintenance, troubleshoots, and services industrial HVAC systems. Technician performs tests and analysis of data to assure the proper functioning of equipment and provides recommendations as appropriate. Recommendations shall include remaining life expectancy, potential replacement and repair costs as well as business interruption risks. Must be well organized, communicate in a clear and professional manner with all visitors, colleagues and leaders.

Responsibilities

    • Project Management: Oversees large commercial installations, new construction layouts, and energy-efficiency retrofits.
    • Supervision & Training: Leads teams of apprentices and journeymen, ensuring adherence to safety regulations.
    • System Design & Permitting: Interprets blueprints, designs custom modifications, and pulls official municipal permits.
    • Advanced Diagnostics: Troubleshoots complex pneumatic, digital, and central energy management controls.
    • Maintain chilled water and centralized air handling units through regularly scheduled preventative maintenance activities
    • Perform coil cleanings, filter changes, test and balance activities, sensor calibrations, and UV bulb replacements
    • Belt alignments and replacement, drain pan treatments, damper calibration and repairs, cleaning interior of AHU
    • Perform electrical safety inspections
    • Leads and helps other facilities technicians in troubleshooting, diagnosis, and repair of commercial air conditioning and multi-zone heating and cooling systems that incorporate pneumatic, digital, and central energy management system controls
    • Ability to create cost and downtime estimates for major repairs and/or equipment replacement
    • Perform work to the highest industry and manufacturer recommended standards
    • Follow all applicable federal, state, and local safety guidelines including, but not limited to, lock-out/tag-out, OSHA, confined space, PPE, etc.
    • Completes and documents all work and labor time using Engineering’s CMMS
    • Ability to communicate clearly and effectively with the Sr. Manager of Facility Management about equipment conditions

Qualifications

    • High School Diploma, or equivalent required
    • 5-8 years of experience in a commercial, industrial, or a healthcare environment minimum required
    • 3- 5 years of documented hands-on work experience, including time spent as an apprentice and journeyman
    • EPA Sect 608 Universal Refrigerant Certification Required
    • Valid Driver’s License in good standing
    • 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
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