XcimerEnergy leverages decades of research on Inertial Fusion Energy (IFE) combined with groundbreaking current laser architecture. Our mission is to deploy fusion power plants to meet global decarbonization goals as rapid as possible.Xcimerhas assembled a team of leaders in tough tech, fusion science, and manufacturing witha track recordof rapid execution. Supportedby leading investors,Xcimeris uniquely positioned to deliver limitless, clean, fusion power to combat climate change.This is a full time, onsite role based at our headquarters in Denver, CO.

As a Mechanical Engineer, you will play a critical role in the design, analysis, build, and operation of laser, pulsed power, vacuum vessel, and ancillary mechanical systems that are central to Xcimer’sexcimer‑laser‑basedIFE technology. We are seeking engineers who bring strong technical depth,hands‑onproblem-solving skills, and a passion for buildinghigh‑performancehardware that will redefine the future of energy.

Create 3D models, detail part drawings, assemblies, P&ID;’sand interface control documents.

Design structures and pressure vessels, perform proof-tests to code standards.

Communicate and document design with mechanical, systems, laser and optical engineering and manufacturing team members.

Selection of sensors and instruments, work with controls team for integration

Oversee and assist assembly by a team of interdisciplinary technicians.

Participate in concept studies supporting the use of these lasers in a power-producing IFE reactor, and other applications.

Contribute to authoring work instructions, test plans, specifications, and other documentation for the integration and operation of complex systems of systems





Provide manufacturing and production support and first-time engineering builds

Participate in design reviews and help to streamline engineering processes

Work with cross-functional teams that are responsible for selecting materials, manufacturing processes, and suppliers to produce world class hardware.

Plan, coordinate, conduct tests, and review test data

Maintain and report on activity schedule, budget and technical status

S. in Mechanical, Nuclear, Aerospace Engineering, or related field.

3-5years in mechanical engineering, with a focus onindustrial equipmentdesign (preferred industriesincludesemiconductor, solar,R+D,nuclear,fusion energy,lasers, defense).

Proficiency with 3D CAD software (NX preferred).

Working knowledge of Finite Element Analysis (FEA).

Experience getting design projects over the finish line, built, and qualified.

Strong problem-solving skills and a hands‑on approach to troubleshooting and testing.

Interdisciplinary engineering experience is a plus.

S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.Candidates may be considered for other positions at Xcimer Energy, and our actual base salary will be determined on an individual basis and may vary based on job-related knowledge and skills, education, and experience.



Xcimer Energy is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. Xcimer Energy hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork, in which all employees recognize and appreciate the diversity of individual team members. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, gender, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Xcimer Energy will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws. medical, dental, and vision coverage

basic and supplemental life insurance

short- and long-term disability

paid parental leave for employees at the time of birth or adoption

Eligible employees also receive equity, allowing them to share in the company’s long-term success.

flexible Paid Time Off (ATO) approach.

Rather than a fixed number of vacation days, employees are trusted to take the time they need to rest and recharge while meeting the expectations of their role and team.

13 company-paid holidays

Benefits are available to regular employees, including part-time and fixed-term roles, as well as interns, with eligibility varying by benefit.

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📌 Mechanical Engineer - Part Time (Quinte West)
🏢 Xcimer Energy
📍 Quinte West