Cryogenic Mechanical Design Engineer – Quantum Systems

Quantinuum; Broomfield (CO); On-site; USD 130,000 - 165,000; Full time

Benefits offered by this job

Competitive compensation

Flexible work arrangements

Employer-subsidized health benefits

401(k) with company match

Equity opportunities

Generous paid time off

Job summary

Quantinuum in Broomfield, Colorado is seeking an Advanced Mechanical Design Engineer for Cryo Vacuum Systems to design and de-risk next-generation trapped-ion quantum computing hardware.

You will collaborate with 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.

Qualifications

• Bachelor’s degree is required.
• 5+ years of hands-on mechanical design experience with complex hardware.
• U.S. Person required due to contractual requirements.
• National security restrictions apply to certain nationalities.

Responsibilities

• Design mechanical hardware for cryogenic, vacuum, and optical subsystems.
• Develop ion-trap packages, cryogenic assemblies, vacuum-compatible structures, thermal interfaces and alignment features.
• Perform mechanical, thermal, and tolerance analyses to guide design decisions.
• Generate CAD models, drawings, assemblies, interface definitions, and design documentation.
• Collaborate with vacuum, cryogenic, optical, electrical, trap fabrication, and system engineering teams to identify interface risks.

Skills

Mechanical design

Cryogenic systems

Vacuum systems

3D CAD

FEA

Tolerance analysis

Test fixture design

Packaging

Vendor management

Thermal analysis

Education

Bachelor's degree

Advanced degree preferred

Tools

CAD software

Job description

Quantinuum in Broomfield, Colorado is seeking an Advanced Mechanical Design Engineer for Cryo Vacuum Systems to design and de-risk next-generation trapped-ion quantum computing hardware.

You will collaborate with 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.