We build lasers for commercial fusion energy and next-generation defense.
Denver, CO
We're developing an excimer-based laser fusion architecture to commercialize safe, affordable fusion energy while advancing national security. We employ nearly 200 people, mostly in our Denver headquarters. We're funded by leading energy investors and the U.S. Department of Energy. Join us: https://xcimer.energy/careers/
On-site · Quinte West
The Operations Lead is responsible for the maintenance, scheduling, and safe operation of fluids, vacuum, and cryogenic systems for superlaser experiments. They will lead teams of engineers and technicians to execute maintenance, troubleshoot anomalies, and develop operational infrastructure.
On-site · Quinte West
The Mechanical Engineer will design, analyze, build, and operate laser, pulsed power, and vacuum vessel systems for inertial fusion technology. They will manage the full product lifecycle, from early prototypes to power-producing reactor demonstrations, while coordinating with cross-functional teams.
On-site · Quinte West
Lead and manage a team of engineers and technicians to manufacture and integrate electrical, instrumentation, and controls hardware for laser systems. Drive the development of a new work center, implement automation, and provide design for manufacturing input to engineering teams.
On-site · Quinte West
You will own the mounting concepts and supporting structures for large-scale optics, managing the process from first principles through to installed hardware. This involves performing structural-thermal-optical performance analysis and leading the assembly, alignment, and testing of precision optical systems.
On-site · Quinte West
You will design, build, and test mechanical hardware for deep-UV laser systems, managing the full lifecycle from requirements to assembly and alignment. This hands-on role involves working in optics labs and cleanrooms to ensure high-precision performance of optical components.
On-site · Quinte West
The Senior CNC Machinist will program, set up, and operate multi-axis CNC equipment to create precision components for advanced fusion-energy systems. They will also collaborate with engineering teams to optimize machining strategies and ensure high-quality, timely delivery of prototype parts.
On-site · Quinte West
You will lead the experimental and theoretical design, characterization, and optimization of physical systems operating at ultra-low temperatures for fusion energy fueling stations. Additionally, you will manage collaborations with national labs and universities while advancing predictive modeling capabilities using COMSOL and Python.
On-site · Quinte West
The HVAC Technician performs preventative and corrective maintenance on industrial HVAC systems while overseeing large commercial installations and energy-efficiency retrofits. They are responsible for leading teams, interpreting blueprints, and ensuring all work adheres to safety regulations and manufacturer standards.
On-site · Quinte West
The Journeyman Electrician will install, maintain, and optimize industrial electrical systems for laser-driven fusion energy infrastructure. Responsibilities include interpreting complex blueprints, troubleshooting electrical anomalies, and assisting engineering teams with facility planning.
On-site · Quinte West
The Principal Electro-Optical/Adaptive Optics Engineer will serve as the technical authority for adaptive optics, leading the design, procurement, and integration of high-speed systems for fusion beamlines. This role involves building performance models, managing vendor relationships, and directing engineering teams to ensure successful system commissioning.
On-site · Quinte West
The Principal Electro-Optical/Adaptive Optics Engineer will own the adaptive optics and wavefront control requirements for directed-energy laser demonstrators. This role involves leading performance modeling, managing vendor partnerships, and mentoring the engineering team to advance beam control technology.
On-site · Quinte West
Develop and implement adaptive optics control loops and spatial beam shaping algorithms for high-energy laser systems. Characterize optical environments and collaborate with multidisciplinary teams to integrate hardware and optimize beam quality.
On-site · Quinte West
Design, integrate, test, and support high-voltage pulsed power systems and their mechanical components, including generator assemblies, structures, and support equipment. Lead prototype design efforts, analyze and troubleshoot system performance, coordinate with vendors and interdisciplinary teams, and help scale designs for inertial fusion power reactors.
On-site · Quinte West
Lead cross-functional operational initiatives from problem definition through implementation, including process documentation, training, adoption reviews, workforce planning, and knowledge-management improvements. Partner with Finance, the Chief of Staff, and the PMO on economic modeling, program prioritization, resource planning, operational risk mitigation, and executive reporting.
On-site · Quinte West
The Pulsed Power Operations Engineer will operate, maintain, and troubleshoot high-voltage pulsed-power systems for a state-of-the-art laser experiment. Responsibilities include performing electrical diagnostics, developing operational procedures, and serving as a Pulsed Power Controller during experimental campaigns.
On-site · Quinte West
Interns will contribute to the design and development of hardware and software for laser-driven inertial fusion energy systems. Responsibilities include performing technical analysis, systems engineering, and hardware development across various engineering disciplines.
On-site · Quinte West
The technician will perform optical assembly, alignment, and vacuum system operations while adhering to strict cleanroom and safety protocols. They will also participate in lean manufacturing initiatives and collaborate with multi-functional teams to support laser system operations.
On-site · Quinte West
The Senior Molten Salt Scientist will lead the planning, design, and operation of the Molten Salt Laboratory to advance fusion power system technology. They will also translate experimental data into design guidance for fusion system architecture and mentor multidisciplinary technical teams.
On-site · Quinte West
The engineer will optimize production lines for optical assemblies and translate engineering designs into operational hardware through work instruction development and hands-on assembly. They will also drive continuous improvement initiatives, provide DFM/A input, and serve as the primary technical point of contact for production teams.
On-site · Quinte West
The Pulsed Power Manufacturing Engineer will optimize production lines for pulsed power assemblies by translating engineering designs into operational hardware and authoring detailed work instructions. They will also drive continuous improvement in quality and throughput while serving as the primary technical point of contact for production teams.
