Senior Mechanical Engineer - Quantum Cryogenic Hardware

Rigetti Computing, Inc.; Berkeley (CA); On-site; USD 165,000 - 190,000; Full time

Job summary

Rigetti Computing, Inc. is seeking a Senior Mechanical Engineer to architect, design, and optimize advanced hardware for quantum platforms.

You will lead mechanical interfaces from room temperature to millikelvin, developing cryogenic components and ensuring system-level coherence. You will collaborate with quantum device physicists, RF/electrical engineers, and fabrication partners to deliver scalable hardware.

Qualifications

• M.S. 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

• Lead the mechanical design of complex hardware subsystems: cryostat internal architecture, signal chain and metal enclosures.
• Develop and maintain detailed 3D CAD models, drawings, and BOMs.
• Drive end-to-end design of mechanical interfaces from room temperature to millikelvin regime.
• Design thermal anchoring and shielding systems for stability and coherence.
• Perform thermal, vibrational, and structural simulations (FEA).
• Build and validate mechanical/cryogenic prototypes in lab.
• Collaborate with quantum physics teams for system-level functionality in experiments.
• Work with hardware, cryo, RF, and systems teams for integrated hardware platforms.
• Develop specifications for outsourced components and manage supplier relations.
• Author assembly documentation and maintain PLM traceability.

Skills

3D CAD

GD&T

Thermal/structural modeling

Cross-functional collaboration

Prototype testing

Technical documentation

Education

M.S. in Mechanical Engineering

Equivalent field

Tools

SolidWorks

FEA tools

PLM systems

Job description

Rigetti Computing, Inc. is seeking a Senior Mechanical Engineer to architect, design, and optimize advanced hardware for quantum platforms.

You will lead mechanical interfaces from room temperature to millikelvin, developing cryogenic components and ensuring system-level coherence. You will collaborate with quantum device physicists, RF/electrical engineers, and fabrication partners to deliver scalable hardware.