IT Support Technician

xcimerDenver, CO

On-site Full-time

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Experience Level

Entry Level

Qualifications

The ideal candidate will possess: Proven experience in IT support or a related fieldStrong knowledge of computer hardware, software, and networkingExcellent problem-solving and communication skillsAbility to work independently and in a team environmentRelevant certifications (e.g., CompTIA A+, Microsoft Certified) are a plus

About the job

Join our dynamic team at xcimer as an IT Support Technician, where you will play a crucial role in maintaining and enhancing our IT infrastructure. You will be the first point of contact for technical support, assisting employees with hardware and software issues, and ensuring seamless operations across the organization. Your expertise will help us leverage technology effectively to improve productivity and efficiency.

About xcimer

xcimer is a forward-thinking IT solutions provider based in Denver, Colorado. We pride ourselves on fostering an innovative work environment where technology and creativity meet to deliver exceptional service to our clients. Join us and be part of a team that's dedicated to driving technology excellence.

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Senior Accountant at Xcimer Energy | Denver, CO

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Full-time|On-site|Denver, CO

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Chief of Staff, Engineering at Xcimer Energy | Denver, CO

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Full-time|On-site|Denver, CO

Xcimer Energy is at the forefront of revolutionizing energy with decades of research in inertial fusion energy (IFE) and a unique, scalable laser architecture aimed at delivering commercially viable fusion power plants. Our mission is to accelerate the deployment of fusion energy to significantly contribute to global decarbonization efforts. As our engineering department expands from six to ten and beyond, we are on the lookout for a Chief of Staff, Engineering. This pivotal role involves close collaboration with the SVP of Engineering to enhance execution, bolster operational rigor, and ensure seamless alignment across our rapidly growing technical teams. In the capacity of Chief of Staff, Engineering, you will serve as both an operational and strategic partner to the SVP of Engineering. Your responsibilities will include driving cross-departmental coordination and planning, refining execution processes, and ensuring visibility into organizational priorities, risks, and advancements. Additionally, your role will enhance leadership efficiency by managing key projects, facilitating communication, and promoting organizational cohesion.

Mar 30, 2026

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Paralegal at Xcimer Energy | Denver, CO

Xcimer Energy

Full-time|On-site|Denver, CO

At Xcimer Energy, we are at the forefront of innovation in Inertial Fusion Energy (IFE), fueled by decades of pioneering research paired with cutting-edge laser technology. Our vision is to rapidly deploy fusion power plants to meet global decarbonization targets, contributing to a sustainable energy future. With a team composed of leaders in technology, fusion science, and manufacturing, we are dedicated to executing our mission efficiently and effectively. Supported by top-tier investors, Xcimer is uniquely positioned to provide abundant, clean fusion energy to tackle climate change. Join us in our quest to power a better world with inertial fusion!As a Paralegal at Xcimer, you will utilize your expertise to support our employees and the legal department across various legal domains. We seek individuals who can apply their technical skills, analytical thinking, and commitment to excellence to shape the future of energy positively!

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Laser Engineer at Xcimer | Denver, CO

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Full-time|On-site|Denver, CO

At Xcimer Energy, we harness decades of pioneering research in Inertial Fusion Energy (IFE) and innovative laser technology to drive our mission of deploying fusion power plants, accelerating global decarbonization efforts. With a team of acclaimed experts in tough tech, fusion science, and advanced manufacturing, we are poised to deliver clean, limitless fusion power to address climate change challenges. Join us in revolutionizing the energy landscape with inertial fusion! As a Laser Engineer, you will utilize your specialized knowledge to design, construct, modify, and operate both new and existing pulsed laser systems. Your role will involve optimizing these systems by enhancing laser beam quality and collaborating with vendors to acquire essential hardware for specific upgrades. You will also assist optics engineers in aligning intricate laser beam paths, calibrating diagnostic equipment, and identifying opportunities for improved diagnostics. Writing specifications and collaborating with vendors to develop cutting-edge high-energy laser diagnostics will be key elements of your role. Additionally, you will maintain laser systems by realigning, diagnosing issues, and coordinating with vendors to resolve malfunctions swiftly. Conducting spectroscopic experiments, collecting and processing data, and working closely with experimentalists, theorists, optics engineers, and controls engineers will ensure the reliability of the systems in supporting experimental objectives. We seek innovative scientists and engineers who can leverage their technical expertise, problem-solving abilities, and commitment to excellence to make a meaningful impact on the future of energy!

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Project Delivery Manager at Xcimer | Denver, CO

Xcimer Energy

Full-time|On-site|Denver, CO

At Xcimer Energy, we are pioneering the future of energy through our innovative approach to Inertial Fusion Energy (IFE) and advanced laser technology. Our mission is to rapidly deploy fusion power plants to achieve global decarbonization objectives. With a dynamic team of experts in tough tech, fusion science, and manufacturing, we are positioned to revolutionize the energy landscape and combat climate change. Join us in our quest to create a cleaner, sustainable world powered by inertial fusion!This is a full-time, onsite position located at our headquarters in Denver, CO.As the Project Delivery Manager, you will oversee the execution of a significant element within a multi-billion-dollar development initiative. Collaborating closely with the Element Director, you will play a crucial role in daily project delivery, addressing challenges proactively, ensuring that project commitments are fulfilled, and providing leadership with transparent insights into schedule and financial performance. We seek project coordinators who can leverage their technical skills, problem-solving abilities, and commitment to excellence to drive positive change in the energy sector!

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PLM Administrator at Xcimer Energy | Denver

Xcimer Energy

Full-time|On-site|Denver, CO

Xcimer Energy is at the forefront of developing Inertial Fusion Energy (IFE) technologies, utilizing decades of research along with innovative laser architecture. Our commitment is to rapidly deploy fusion power plants that align with global decarbonization initiatives. Our exceptional team, composed of leaders in tough tech, fusion science, and manufacturing, boasts a proven record of swift execution. Backed by prominent investors, Xcimer is uniquely positioned to deliver boundless, clean fusion power as a solution to climate change. Join us in our mission to create a sustainable future through inertial fusion!We are in search of a dedicated PLM Administrator who will take charge of the configuration, customization, and operation of Teamcenter, as well as the entire engineering digital thread—from part creation through procurement, manufacturing, and consumption of digital work orders.This pivotal role will enhance Xcimer's digital ecosystem across Teamcenter, Violet Labs, Boltline, Precoro, and various lifecycle and manufacturing systems. You will be responsible for installing, configuring, and optimizing Teamcenter environments, removing process bottlenecks, and ensuring precise, automated data flow between engineering and other departments.We seek a thought leader who is enthusiastic about:· Crafting sophisticated and scalable engineering workflows,· Developing a robust and traceable digital thread, and· Establishing the certification and regulatory groundwork for the next generation of commercial fusion power plants.Your contributions will be instrumental in accelerating the engineering-to-hardware cycle, helping us fulfill our vision of transforming the future of global energy!

Dec 9, 2025

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Lead Experimental Physicist at Xcimer Energy | Denver, CO

Xcimer Energy

Full-time|On-site|Denver, CO

About Xcimer Energy Xcimer Energy is advancing Inertial Fusion Energy (IFE) through research and laser technology, aiming to accelerate the rollout of fusion power plants. The company’s mission centers on supporting decarbonization goals and addressing climate change. Backed by leading investors, the team brings together specialists in fusion science, tough tech, and manufacturing to deliver clean fusion energy. Role Overview: Lead Experimental Physicist The Lead Experimental Physicist will guide complex laser-based experiments from initial concept through analysis. This position requires strong experimental physics expertise and the ability to quickly learn advanced systems. The role involves designing experiments, improving diagnostics, interpreting data, and finding new ways to increase experimental efficiency. Collaboration is central: work closely with scientists, engineers, and technical experts to drive major experimental projects forward. Key Responsibilities Design and execute advanced laser-based experiments Develop and refine diagnostic tools and methods Analyze experimental data and draw actionable conclusions Identify and implement improvements to experimental processes Work alongside a multidisciplinary team to achieve project goals Who We’re Looking For Scientists and engineers with strong technical skills in experimental physics Problem solvers interested in advancing energy technology Individuals eager to contribute to the future of sustainable energy Location Denver, CO

Apr 14, 2026

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Laser Scientist at Xcimer Energy | Denver, CO

Xcimer Energy

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At Xcimer Energy, we are pioneering advancements in Inertial Fusion Energy (IFE) with innovative laser technology. Our vision is to rapidly deploy fusion power plants that contribute to global decarbonization efforts. We have curated an exceptional team of experts in tough tech, fusion science, and manufacturing, all committed to swift execution. Backed by prominent investors, Xcimer is in a prime position to provide endless, clean fusion energy to combat climate change. Become a part of our mission to create a sustainable future through inertial fusion power! As a Laser Scientist, you'll leverage your expertise and creativity to design and develop state-of-the-art high-energy excimer lasers. Collaborating closely with teams in Theory & Computation, Laser Architecture, and Engineering, you will optimize the performance of laser oscillators and amplifiers tailored to our specific energy needs. We seek passionate scientists and engineers who are dedicated to quality and eager to make a meaningful impact on the future of energy!

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xcimer

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Apr 27, 2026

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General Application for Engineers and Scientists at Xcimer Energy

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Are you passionate about innovative energy solutions? At Xcimer Energy, we welcome your interest even if you don't see a specific job opening that fits your profile.We're constantly on the lookout for exceptional engineers, scientists, technicians, and other talented individuals who are eager to contribute to our mission of delivering clean, safe, and abundant energy through cutting-edge laser-driven inertial fusion technology. If you thrive on solving complex challenges from inception to completion, we want to hear from you!Xcimer Energy combines decades of research in Inertial Fusion Energy (IFE) with innovative laser architecture to accelerate the deployment of fusion power plants, aimed at meeting global decarbonization targets swiftly. Our team consists of leaders in tough tech, fusion science, and manufacturing, all committed to rapid execution. With the support of leading investors, Xcimer is uniquely equipped to provide limitless, clean fusion power to tackle climate change. Join us in our quest to power a sustainable future!We invite talented engineers, scientists, and technicians to apply their technical skills, problem-solving abilities, and commitment to quality to make a lasting impact on the future of energy!

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Senior Optical Engineer - Stray Light

xcimer

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Apr 29, 2026

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Mechanical Engineer

xcimer

Full-time|On-site|Denver, CO

xcimer is looking for a Mechanical Engineer to join the team in Denver, CO. This role centers on designing, developing, and testing mechanical systems and devices that meet the company’s standards for both functionality and efficiency. Key responsibilities Design and refine mechanical systems to support project objectives Develop and test devices to achieve set performance targets Offer technical expertise to support ongoing engineering projects The work in this position plays a direct part in advancing xcimer’s engineering projects and overall success.

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Adaptive Optics Engineer

xcimer

Full-time|On-site|Denver, CO

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May 1, 2026

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Optical Control Systems Engineer

xcimer

Full-time|On-site|Denver, CO

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Program Director, Site and Structures

xcimer

Full-time|On-site|Denver, CO

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Apr 29, 2026

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Senior Structural Analyst

xcimer

Full-time|On-site|Denver, CO

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Apr 27, 2026

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IT Support Technician

xcimer

Full-time|On-site|Denver, CO

Join our dynamic team at xcimer as an IT Support Technician, where you will play a crucial role in maintaining and enhancing our IT infrastructure. You will be the first point of contact for technical support, assisting employees with hardware and software issues, and ensuring seamless operations across the organization. Your expertise will help us leverage technology effectively to improve productivity and efficiency.

May 1, 2026

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Senior Engineer at Holder Construction | Denver, CO

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Full-time|$115K/yr - $120K/yr|On-site|Denver, CO

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Apr 2, 2026

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Oct 24, 2025

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