Principal Mechanical Design Engineer - Cryo Vacuum Systems/1124
US Broomfield, COScience & Technology – Quantum Computing Hardware /Full-time /On-siteWe are looking for a Principal Mechanical Design Engineer – Cryo Vacuum Systems in our Broomfield, CO location to help design and de-risk next-generation trapped-ion quantum computing hardware. This role will work closely with research scientists, system architects, design engineers, and lab engineers to develop mechanical systems compatible with cryogenic operation, UHV/XHV environments, precision optical alignment, and scalable quantum computer architectures. The ideal candidate is a hands-on mechanical designer who can turn ambiguous technical risks into practical designs, prototype tests, and clear engineering recommendations.Key Responsibilities:Design mechanical hardware for cryogenic and UHV trapped-ion quantum computing systems.Support the design of ion-trap packages, cryogenic assemblies, vacuum-compatible structures, thermal interfaces, optical alignment features, and precision mounting hardware.Develop designs that manage parasitic heat loads, thermal contraction, CTE mismatch, mechanical stability, vibration sensitivity, vacuum compatibility, and assembly tolerances.Design prototype hardware and de-risk test fixtures that lab engineers can build and operate to validate new materials, interfaces, and subsystem concepts.Support test planning for new materials, adhesives, thermal interfaces, coatings, cryogenic assemblies, and vacuum-compatible components.Work with lab engineers to evaluate outgassing, cryogenic thermal performance, mechanical stability, alignment repeatability, and failure modes.Perform mechanical, thermal, and tolerance analyses to guide design decisions.Generate CAD models, drawings, assemblies, interface definitions, and design documentation.Partner with vacuum, cryogenic, optical, electrical, trap fabrication, and systems teams to identify interface risks and develop practical solutions.Communicate design trades, assumptions, risks, test results, and recommendations to technical teams and program leadership.You Must Have:Bachelor’s degree minimumMinimum of 7+ years (Masters and PhD inclusive) of hands-on mechanical design experience with complex hardware systems.Due to Contractual requirements, must be a U.S. Person. defined as, U.S. citizen permanent resident or green card holder, workers granted asylum or refugee statusDue to national security requirements imposed by the U.S. Government, candidates for this position must not be a People's Republic of China national or Russian national unless the candidate is also a U.S. citizen. We Value:Advanced degree or higher in mechanical engineering, aerospace engineering, applied physics, materials science, or a related technica...
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