Senior Cryogenic Mechanical Engineer – Quantum Hardware

Socket.dev; Berkeley (CA); On-site; USD 170,000 - 210,000; Full time

Job summary

Rigetti Computing seeks a Senior Mechanical/Cryogenic Engineer to own the mechanical architecture of our quantum hardware from room temperature infrastructure down to the millikelvin core of our dilution refrigerators.

You will lead cryogenic hardware design, define mechanical interfaces across thermal stages, and collaborate with quantum physicists, RF engineers, and systems teams on end‑to‑end design decisions and qualification.

Qualifications

• 7+ years designing complex mechanical or electromechanical systems with end-to-end hardware ownership.
• Expert SolidWorks and GD&T for large assemblies and drawings.
• Experience in cryogenic, vacuum, or extreme thermal environments.
• Ability to lead cross-functional technical efforts.

Responsibilities

• Own the mechanical design of cryogenic hardware from 300 K to millikelvin.
• Lead design lifecycle: concept, CAD, drawings, BOMs, testing, and release.
• Define interfaces and budgets; drive manufacturability with external vendors.
• Mentor junior engineers and lead design reviews.

Skills

Mechanical design

Cryogenic systems

Leadership

Thermal analysis

GD&T/DFM

Education

B.S./M.S. Mechanical Engineering

M.S. preferred

Tools

SolidWorks

COMSOL

ANSYS

Job description

Rigetti Computing seeks a Senior Mechanical/Cryogenic Engineer to own the mechanical architecture of our quantum hardware from room temperature infrastructure down to the millikelvin core of our dilution refrigerators.

You will lead cryogenic hardware design, define mechanical interfaces across thermal stages, and collaborate with quantum physicists, RF engineers, and systems teams on end‑to‑end design decisions and qualification.