Xcimer Energy
Mechanical Engineer
- Compensation
- $127.5K–$150K / yr
- Location
- Denver, CO, US
- Arrangement
- On-site
- Employment type
- Full-time
- Posted
- 1 October 2026 (yesterday)
Checked todayApplications go to the employer, never to RoleSprint
About this role
Responsibilities • Create 3D models, detail part drawings, assemblies, P&ID’s and 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.
• Support procurement of the hardware for the prototype laser amplifiers and optical conditioning equipment.
• Selection of sensors and instruments, work with controls team for integration
• Oversee and assist assembly by a team of interdisciplinary technicians.
• Support ongoing operation of the subject equipment and systems.
• Continue above roles and responsibilities to participate in subsequent amplifier up-scaling leading to that which is needed for a power-producing IFE reactor.
• 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
• Identify opportunities for improvements and operational cost savings
Qualifications • Education : B.S. in Mechanical, Nuclear, Aerospace Engineering, or related field.
• Experience : 3-5 years in mechanical engineering, with a focus on industrial equipment design (preferred industries include semiconductor, 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.
• 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 of granted asylum
Desired • Start-up experience preferred
Work location
- Denver, CO, US
Related jobs
Ready to make a decision?
This role is either worth your time or it isn’t.
Analyze the posting against your experience, see the gaps clearly, and build the right materials only if the opportunity makes sense.
Nothing is submitted automatically. You choose what happens next.
About this listing
Advertised by Xcimer and published on Lever, the applicant tracking system they use.
RoleSprint is not the employer and not a recruiter. Applications are made on the employer’s own site and never reach us; what RoleSprint does is help you decide whether a role is worth your time and prepare for it if it is.
Published 1 October 2026, last checked today. A posting stops being advertised here 90 days after the employer published it, and one the employer takes down is marked closed rather than quietly removed.