Thermal Mechanical Engineer

Job Description

Job Title: Senior Thermal Mechanical Engineer. Location: Palo Alto, California, United States

‍PsiQuantum’s Cryogenic Engineering team is seeking a Senior Thermal Mechanical Engineer to lead simulation and design efforts related to the thermal and structural performance of quantum computing hardware; You will be responsible for integrated optical and electronic assemblies operating under cryogenic conditions; The role involves close collaboration across internal teams and external vendors.

Responsibilities:

• Design and simulate thermal and mechanical systems for optical-electronic assemblies under cryogenic conditions.
• Apply knowledge in heat transfer, fluid dynamics, and structural mechanics to develop systems for quantum computing hardware.
• Build chip power models, perform power measurements, and validate simulations through testing and feedback.
• Solve field issues involving thermal and structural performance;
• Lead requirements management, material selection, FMEA, and tolerance analysis for mechanical components.
• Coordinate with vendors on manufacturing processes;
• Collaborate across multidisciplinary teams during all phases of development.

Qualifications:

• B.Sc., M.Sc., or Ph.D. in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, or Physics.
• Proficiency in engineering tools like Mathcad, Matlab, IcePak, ANSYS Workbench, Fluent, SpaceClaim, SolidWorks, or NX.
• Experience with Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD);
• Ability to correlate experimental results with thermal models;
• Strong documentation skills and the ability to handle multiple tasks efficiently.
• Excellent written and verbal communication skills.

Preferred:

• Working knowledge of material and manufacturing constraints under cryogenic conditions.
• Familiarity with optical system specs and component behavior under thermal and structural shifts.
• Experience in STOP analysis (Structural-Thermal-Optical Performance).
• Background in CPU/GPU/SoC architecture and hardware-software co-design is a plus.

Benefits:

• Base salary: $130,000 – $170,000 (Bay Area rates)
• Full-time employees are eligible for equity, healthcare benefits, and other perks.
• PsiQuantum is an equal opportunity employer and does not discriminate based on legally protected characteristics.

Instructions: Submit your resume and cover letter via the application portal. Please include the word “purple” in your cover letter. PsiQuantum will only contact you via official email addresses. Do not share bank or sensitive personal information.