PsiQuantum · 4 months ago
Senior Thermal Mechanical Engineer
PsiQuantum is on a mission to build the first real, useful quantum computers. The Senior Thermal Mechanical Engineer will be heavily involved in the thermal mechanical simulation and design for the quantum computer, interacting with multiple teams internally and suppliers externally.
ComputerHardwareQuantum ComputingSemiconductorSoftware
Responsibilities
The Thermal Mechanical Engineer focuses primarily on the highly integrated electronic optical assembly to support quantum computer
Applying knowledge of heat transfer, fluid mechanics, and structural mechanics to the development of optical electronics assembly under cryogenic condition
Develop methodologies for chip power modeling and measurement, characterization of power features, correlate chip behavior with simulations and provide design feedback
Analyzing field issues related to electronic optical assembly design and providing solutions where required
General design activities such as requirements management, materials and component selection, Design Failure Modes and Effects Analysis (FMEA), and tolerance analyses
Assisting and/or directing vendors to develop necessary manufacture process
Actively participating in cross functional project teams through all phases of product development to ensure successful execution of innovative and best-in-class designs
Qualification
Required
B.Sc., M.Sc., or Ph.D in Mechanical Engineering, Aerospace Engineering, Nuclear Engineering, or Physics
Software tools – Mathcad, Matlab, IcePak, ANSYS Workbench, Fluent, SpaceClaim, Solidworks, NX
Demonstrated use of advanced analysis tools to solve thermal/fluid challenges with respect to optical and electronic assembly at the appropriate level of detail – Finite Element Analysis (FEA) and Fluid Dynamics (CFD)
Solid understanding of and experience matching thermal models to experiment results
Thoroughly documenting design inputs and outputs
Ability to adapt changes and handle multiple assignments
Excellent written and verbal communication skills
Preferred
Experience with multiple material performance, design constraints, and manufacture constraints under cryogenics condition
Knowledge of common optical system specifications and optical component specifications
Experience in feeding thermal model results into structural models to determine optical component movements/deformations (STOP analysis)
Exposure to CPU/GPU/SoC architecture and HW-SW co-design is a plus
Benefits
Full time roles are eligible for equity and benefits.
Company
PsiQuantum
PsiQuantum focuses on developing a scalable quantum computer using photonic qubits.
H1B Sponsorship
PsiQuantum has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (12)
2024 (10)
2023 (4)
2022 (7)
2021 (15)
2020 (5)
Funding
Current Stage
Late StageTotal Funding
$2.3BKey Investors
BlackRockAtomicoFounders Fund
2025-09-10Series E· $1B
2025-05-30Series Unknown· $22M
2024-11-05Secondary Market
Leadership Team
Peter Shadbolt
Co-founder and Chief Strategy Officer
Recent News
2026-01-16
2026-01-15
2026-01-06
Company data provided by crunchbase