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PsiQuantum Careers — 73 Open Jobs | BuildList

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PsiQuantum

Builds photonic quantum computers.

Compute & SemiconductorsSeries C+

HQ

Palo Alto, CA

Founded

2015

Employees

201-1,000

Total Raised

$2.9B

Last Round

Series C+

Last Round Date

Jun 2026

PsiQuantum is a compute & semiconductors company based in Palo Alto, CA, founded 2015. The company is at the Series C+ stage, having raised $2.9B, with 201-1,000 employees. PsiQuantum is hiring for 73 open roles, listed below.

Updated Aug 2026

Founders

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Jeremy O'Brien

Mark Thompson

Peter Shadbolt

Terry Rudolph

73 jobs

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Compute & Semiconductors

Director, Australia Finance

PsiQuantumCompute & Semiconductors

📑 Finance, Legal, & ComplianceDirector

Australia

Senior Director, Technology Partnerships

PsiQuantumCompute & Semiconductors

📣 Business Dev & Customer OpsDirector

Chicago, IL

Senior Director, Finance Business Partner – Optical Circuit Switch (OCS)

PsiQuantumCompute & Semiconductors

📑 Finance, Legal, & ComplianceDirector

Palo Alto, CA

Senior Director, U.S. National Security Partnerships

PsiQuantumCompute & Semiconductors

📣 Business Dev & Customer OpsDirector

Washington, D.C.

Director, Investor Relations

PsiQuantumCompute & Semiconductors

📑 Finance, Legal, & ComplianceDirector

Palo Alto, CA

Manager, Optical Process Engineering

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsManager

Milpitas, CA

Manager of Process Engineering

PsiQuantumCompute & Semiconductors

🏭 Manufacturing & ProductionManager

Milpitas, CA

Senior Test Manager

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilityManager

Palo Alto, CA

Quantum Applications Architect

PsiQuantumCompute & Semiconductors

💻 Software & DataStaff / Principal

Australia

Staff Applications, Test & Failure Analysis Engineer

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilityStaff / Principal

Milpitas, CA

Staff Hardware Design Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareStaff / Principal

Milpitas, CA

Principal Optical Fiber Architect

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareStaff / Principal

Milpitas, CA

Principal Power Systems Architect, Quantum Infrastructure

PsiQuantumCompute & Semiconductors

🔒 Infrastructure, IT, & SecurityStaff / Principal

Milpitas, CA

Principal Characterization-Failure Analysis Engineer

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilityStaff / Principal

Milpitas, CA

Staff Software Engineer, Databases

PsiQuantumCompute & Semiconductors

💻 Software & DataStaff / Principal

Remote·Palo Alto, CA

Technical Lead, Single Photon Sources Validation

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilityStaff / Principal

Milpitas, CA

Principal System Integration Lead (Quantum Hardware)

PsiQuantumCompute & Semiconductors

📋 Product, Programs, & SystemsStaff / Principal

Milpitas, CA

Staff Supply Chain Manager / Supplier Engineer

PsiQuantumCompute & Semiconductors

📦 Supply Chain & ProcurementStaff / Principal

Milpitas, CA

Staff Digital Design Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareStaff / Principal

Palo Alto, CA

Senior Quantum Chemistry Product Manager

PsiQuantumCompute & Semiconductors

📋 Product, Programs, & SystemsSenior

Palo Alto, CA

Senior Administrative Assistant

PsiQuantumCompute & Semiconductors

👥 Business & People OpsSenior

Australia

Senior Executive Assistant

PsiQuantumCompute & Semiconductors

👥 Business & People OpsSenior

Palo Alto, CA

Senior Applications Lead - Defense

PsiQuantumCompute & Semiconductors

📣 Business Dev & Customer OpsSenior

Remote·Palo Alto, CA · Washington, D.C.

Senior Mechanical Design Engineer

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsSenior

Milpitas, CA

Senior Fiber Assembly Process Engineer

PsiQuantumCompute & Semiconductors

🏭 Manufacturing & ProductionSenior

Milpitas, CA

Senior System Electronics Integration Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Milpitas, CA

Senior Automation Software Engineer, Optical Packaging

PsiQuantumCompute & Semiconductors

💻 Software & DataSenior

Milpitas, CA

Senior Photonics Automation Engineer

PsiQuantumCompute & Semiconductors

💻 Software & DataSenior

Palo Alto, CA

Senior Mechanical Engineer, OCS

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsSenior

Palo Alto, CA

Senior Engineer, System Automation (Device Interfaces)

PsiQuantumCompute & Semiconductors

💻 Software & DataSenior

Milpitas, CA

High-speed Photonic Experimentalist

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Silicon Photonics Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Senior PIC Designer (Switches)

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Senior Cryogenic Engineer

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsSenior

Chicago, IL

Senior Integrated Photonics Engineer - Active Devices and Circuits

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Photonics Circuit Designer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Senior Analog / Mixed-Signal IC Design Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Senior Cryostat Engineer

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsSenior

Milpitas, CA

Senior Optical Fibre Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

United Kingdom

Senior Photonics Engineer, Optical Interfaces

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

United Kingdom

Photonic Design Automation Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Senior Engineer, System Calibration (Electro-Optics)

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Milpitas, CA

Sr Digital System Designer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Senior Software Platform Engineer

PsiQuantumCompute & Semiconductors

🔒 Infrastructure, IT, & SecuritySenior

Remote·Chicago, IL

Senior EDA/CAD Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Senior Integration/API architect

PsiQuantumCompute & Semiconductors

💻 Software & DataSenior

Palo Alto, CA

Senior Foundry Test Engineer

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilitySenior

Palo Alto, CA

Photonic Circuits Designer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Palo Alto, CA

Senior Test Automation Engineer, Photonics

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilitySenior

Milpitas, CA

Senior Systems Design Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

Milpitas, CA

Senior Optical Packaging & Assembly Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareSenior

United Kingdom

Senior Optical Process Engineer

PsiQuantumCompute & Semiconductors

🏭 Manufacturing & ProductionSenior

Milpitas, CA

Senior Subsystem Validation Engineer

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilitySenior

Milpitas, CA

Senior Quantum Systems Validation Engineer

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilitySenior

Milpitas, CA

Computational Chemist - GPU Acceleration

PsiQuantumCompute & Semiconductors

💻 Software & DataMid-Level

Palo Alto, CA

Production Technician

PsiQuantumCompute & Semiconductors

🏭 Manufacturing & ProductionMid-Level

Milpitas, CA

Facilities Specialist

PsiQuantumCompute & Semiconductors

👥 Business & People OpsMid-Level

Palo Alto, CA

Cryostat Equipment Engineer

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsMid-Level

Milpitas, CA

R&D Engineer - Integrated Photonics

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareMid-Level

Palo Alto, CA

Validation Engineer, Electro-Optical Devices

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilityMid-Level

Milpitas, CA

Thermal Mechanical Engineer

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsMid-Level

Milpitas, CA

R&D Engineer – Thin Film Materials

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsMid-Level

Palo Alto, CA

Quantum Electronics Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareMid-Level

United Kingdom

Integrated Photonics Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareMid-Level

United Kingdom

Associate Characterization and Test Engineer

PsiQuantumCompute & Semiconductors

✅ Test, Quality, & ReliabilityEntry-Level

Milpitas, CA

Associate Optical Packaging Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareEntry-Level

Milpitas, CA

Mechanical Design Engineer – Photonic Hardware

PsiQuantumCompute & Semiconductors

⚙️ Mechanical & Physical SystemsEntry-Level

United Kingdom

Associate Process Engineer

PsiQuantumCompute & Semiconductors

🏭 Manufacturing & ProductionEntry-Level

Milpitas, CA

Intern, Quantum Applications

PsiQuantumCompute & Semiconductors

💻 Software & DataIntern

Australia

Intern, System Architecture

PsiQuantumCompute & Semiconductors

💻 Software & DataIntern

Remote·Palo Alto, CA · Australia · United Kingdom

Intern, Optical Packaging and Characterization Engineer

PsiQuantumCompute & Semiconductors

⚡ Electrical & FirmwareIntern

Milpitas, CA

Intern, Quantum Applications

PsiQuantumCompute & Semiconductors

🤖 AI & AutonomyIntern

Remote·United Kingdom

Intern, Quantum Architecture

PsiQuantumCompute & Semiconductors

🤖 AI & AutonomyIntern

Remote·Australia · Palo Alto, CA