Cryogenic Mechanical Engineer for Quantum Hardware

Psiquantum; Milpitas (CA); On-site; USD 127,000 - 149,000; Full time

Benefits offered by this job

Health coverage

401(k) with company match

Equity grants

Paid leave programs

Job summary

PsiQuantum seeks a Junior Cryogenic Mechanical Engineer to help design, analyze, test, install, and commission cryogenic equipment enabling quantum computing infrastructure. You will focus on cryostat design, distribution systems, and thermal‑fluid modelling while learning from senior engineers.

You will move between mechanical design, analysis, documentation, testing, and field activities, collaborating with cross‑functional teams to ensure successful deployment and operation.

Qualifications

• B.SC. or M.Sc. in Mechanical Engineering, Aerospace Engineering, or a related engineering discipline.
• 0–3 years of relevant engineering experience, including internships, academic research, or industry experience.
• Good understanding of fundamental engineering principles, including heat transfer, fluid mechanics, thermodynamics, and structural mechanics.
• Experience with engineering analysis and/or mechanical design tools such as ANSYS Workbench, SolidWorks, Fluent, SpaceClaim, MATLAB, Mathcad, or equivalent tools.
• Ability to perform engineering calculations and clearly document assumptions, methods, and results.
• Ability and willingness to work on both analytical and hands‑on engineering activities.
• Ability to work effectively with senior engineers and cross‑functional teams.
• Ability to adapt to changing priorities and handle multiple assignments.

Responsibilities

• Support the development and analysis of system‑level mechanical and thermal‑fluid models.
• Support the design of cryostats for quantum computer infrastructure.
• Support the design of cryogenic distribution systems connecting cryoplants and cryostats.
• Perform mechanical design, engineering calculations, and component selection under the guidance of senior engineers.
• Prepare and maintain engineering drawings, models, specifications, and technical documentation.
• Support procurement and manufacturing activities for cryogenic equipment.
• Participate in technical discussions with vendors during design, manufacturing, and testing.
• Support laboratory testing, data collection, and analysis of cryogenic equipment and components.
• Support installation and commissioning activities for cryogenic equipment.
• Assist with the investigation and resolution of field issues related to mechanical and cryogenic systems.
• Participate in design reviews and contribute to the identification and resolution of technical risks.
• Work within cross‑functional project teams through the different phases of product development.

Education

B.SC. or M.Sc. in Mechanical Engineering, Aerospace Engineering, or a related engineering discipline

Tools

ANSYS Workbench

SolidWorks

Fluent

SpaceClaim

MATLAB

Mathcad

Job description

PsiQuantum seeks a Junior Cryogenic Mechanical Engineer to help design, analyze, test, install, and commission cryogenic equipment enabling quantum computing infrastructure. You will focus on cryostat design, distribution systems, and thermal‑fluid modelling while learning from senior engineers.

You will move between mechanical design, analysis, documentation, testing, and field activities, collaborating with cross‑functional teams to ensure successful deployment and operation.