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 Director of Fusion Nuclear Science will lead the scientific department, defining the roadmap for fusion chamber dynamics, blanket multi-physics, and tritium science. This role involves building and mentoring a world-class scientific team while translating research into actionable design guidance for engineering teams.
On-site · Quinte West
The Head of Diagnostics Physics will provide strategic and technical leadership for all diagnostic systems, overseeing scientific efforts in imaging and spectroscopy for fusion power plants. This role involves building and mentoring a multidisciplinary team while ensuring diagnostic systems are reliable, scalable, and integrated into the broader fusion program.
On-site · Quinte West
The Laser and Optics Controller will operate, troubleshoot, and maintain laser and optical components for the Phoenix laser system. They will also work with the Shot Director to execute critical procedures and perform hands-on system upgrades and maintenance.
On-site · Quinte West
The Vice President of Human Resources will serve as a strategic advisor to the executive team, developing and executing a comprehensive people strategy to support the company's rapid growth. This role involves leading all HR functions, including organizational design, leadership development, total rewards, and culture building to ensure operational excellence.
On-site
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 headqu…
On-site · Quinte West
The role focuses on the science and engineering of electron-beam cathode systems to maximize beam efficiency and energy deposition for inertial fusion energy. Responsibilities include leading cathode development, designing beam transport structures, and managing experimental campaigns from concept through commissioning.
On-site · Quinte West
The Head of Quality will lead the development, governance, and continuous improvement of the Quality Management System while fostering a data-driven quality culture. They will oversee Quality Engineering, Quality Assurance, Quality Control, and Supplier Quality functions to ensure product integrity and process robustness.
On-site · Quinte West
Technically lead the design, procurement, and integration of a high-speed custom adaptive optics system for advanced laser beamlines. Serve as the technical authority for adaptive optics, managing vendor relationships and guiding the growth of the internal AO group.
On-site · Quinte West
Lead the Optical Engineering department in the design, development, and commissioning of UV laser optical systems for inertial fusion. Manage a high-performing team while providing technical direction for laser beamlines, diagnostics, and adaptive optics.
On-site · Quinte West
Lead and grow the Nuclear Engineering Department by establishing technical standards and managing the nuclear design basis for facilities. Partner with cross-functional teams to integrate nuclear considerations into system architectures and manage external partnerships with national laboratories.
On-site · Quinte West
Lead the Laser Engineering department in developing, scaling, and industrializing advanced laser systems for a fusion energy platform. Define the technical roadmap and oversee the design, integration, and commissioning of large-scale laser architectures.
On-site · Quinte West
Lead the development of enterprise-wide modeling, simulation, and systems synthesis capabilities to support high-confidence engineering decisions. Build and grow the technical organization while establishing standards for model credibility and scalable analysis workflows.
On-site · Quinte West
Develop and extend laser plasma interaction (LPI) modeling capabilities using community tools and in-house code. Lead the design of simulation software focused on collisional kinetics and paraxial laser propagation to support fusion system development.
On-site · Quinte West
Lead and execute the end-to-end supply chain strategy to ensure material availability, cost, and quality for fusion power plant development. Build and scale a high-performing supply chain organization while managing supplier ecosystems and mitigating risks.
On-site · Quinte West
Develop and optimize fluorine-resistant optical coatings for laser-facing components and broader system hardware. Lead hands-on deposition efforts, perform detailed materials characterization, and scale processes from lab development to high-volume manufacturing.
On-site · Quinte West
Operate and improve the company's security, compliance, and data privacy posture with a focus on CMMC 2.0 Level 2 execution. Manage Microsoft Purview and Defender environments while leading incident response and threat prevention efforts.
On-site · Quinte West
Perform hands-on maintenance, installation, and repairs of facility systems, electrical infrastructure, and manufacturing equipment. Coordinate with external contractors for HVAC, security, and fire suppression systems while ensuring strict adherence to LOTO safety procedures.
On-site · Quinte West
Design, develop, and commission control systems for laboratory and industrial test stands to validate advanced hardware. Lead verification and validation activities while developing automation and data acquisition software using Python and LabVIEW.
On-site · Quinte West
The Systems Engineer will define requirements, execute architectural design analyses, and manage complex system interfaces for fusion energy systems. Responsibilities include leading verification and validation, managing risks, and coordinating technical decision-making across multiple teams.
On-site · Quinte West
The Adaptive Optics Engineer will design, model, and implement high-performance adaptive optics systems to enhance laser beam quality and stability. Responsibilities include developing optimization routines, collaborating with vendors on hardware, and utilizing wave-optics propagation code to support system integration.
