Senior Cryogenic Mechanical Engineer

Quantum Software; Berkeley, Northern (CA, KY); Hybrid; USD 165,000 - 190,000; Full time

Benefits offered by this job

401(k) plan

Equity

Medical, dental and vision insurance

Job summary

Rigetti Computing seeks a Senior Mechanical Engineer to architect and optimize hardware for quantum platforms, from room temperature interfaces to millikelvin environments. You will lead mechanical design for cryostats, RF packaging, and vacuum enclosures, collaborating with physicists and RF engineers to ensure coherence and reliability in experimental deployments.

The role requires advanced CAD, tolerance analysis, and multi-physics simulations, plus hands-on prototyping and documentation in

Qualifications

• MS degree or higher in Mechanical Engineering or equivalent field.
• 7+ years of industry experience in mechanical design and systems engineering.
• Proficiency with 3D CAD software (SolidWorks preferred).
• Strong background in tolerance analysis and GD&T principles.
• Experience in thermal and structural modeling and simulation.
• Familiarity with documentation control, revision management, and PLM tools.
• Excellent cross-disciplinary communication and project collaboration skills.
• Demonstrated ability to develop and document assembly processes.

Responsibilities

• Senior the mechanical design of complex hardware subsystems including cryostat internal architecture, custom components for signal chain and metal enclosures
• Develop and maintain detailed 3D CAD models, drawings, and Bills of Materials (BOMs)
• Drive end-to-end design of mechanical interfaces from room temperature down to the millikelvin regime
• Design thermal anchoring and shielding systems optimized for mechanical stability and quantum coherence
• Perform thermal, vibrational, and structural simulations using FEA tools to ensure performance and robustness
• Build and validate mechanical/cryogenic prototypes in lab
• Collaborate with quantum physics teams to ensure system-level functionality in live quantum experiments
• Work closely with hardware, cryo, RF, and systems teams to deliver integrated, scalable quantum hardware platforms
• Develop specifications for outsourced components and manage supplier relationships for critical assemblies such as vacuum flanges, cryo fixtures, and RF housings
• Author assembly documentation, and maintain design traceability in PLM system

Skills

Mechanical design

Systems engineering

Cross-disciplinary collaboration

Assembly processes

Education

MS in Mechanical Engineering or equivalent

Tools

SolidWorks

PLM tools

Job description

Rigetti Computing seeks a Senior Mechanical Engineer to architect and optimize hardware for quantum platforms, from room temperature interfaces to millikelvin environments. You will lead mechanical design for cryostats, RF packaging, and vacuum enclosures, collaborating with physicists and RF engineers to ensure coherence and reliability in experimental deployments.

The role requires advanced CAD, tolerance analysis, and multi-physics simulations, plus hands-on prototyping and documentation in