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PsiQuantum logo
Late stage On-site
Photonics Founded 501-1000 employees

PsiQuantum

Palo Alto, California, USA
View 12 open roles Follow Visit www.psiquantum.com ↗
Open roles
↑ +2
12
vs previous 30 days
Salary range
—
No disclosed salaries
Hiring activity
Steady
2.8 roles/week
Open Hiring Score
Limited
Salary, role detail, work policy

Open Hiring Score grades how openly a company posts jobs — across salary disclosure, role detail, work policy and profile completeness on every published listing.

Open = full disclosure. Detailed = most jobs disclose. Limited = minimal disclosure.

Limited — minimal disclosure on salary, role detail or work policy across this company's jobs.

About PsiQuantum

PsiQuantum is building the world's first commercially useful, fault-tolerant quantum computer based on photonic qubits. Using silicon photonics manufactured in a standard semiconductor fab, the company is pursuing a million-qubit-scale machine designed to tackle problems beyond the reach of classical computers, with applications spanning drug discovery, materials science, climate modeling, and financial services.

Photonics Hardware Semiconductors Deep Tech
12 open

Open roles

See all 12 →
PsiQuantum logo

Senior Optical Fibre Engineer

The Senior Optical Fibre Engineer will focus on developing and evaluating advanced optical fibre for high-performance optical systems. This role involves optical modelling, experimental validation, and collaboration with internal and external teams to translate performance requirements into practical technical direction for advanced fibre technologies.

PsiQuantum Runcorn, WA7 1UP, United Kingdom
On-site Permanent
PsiQuantum logo

Quantum Electronics Engineer

The Quantum Electronics Engineer will design and develop advanced electronic and electro-optic systems for quantum computing, focusing on RF design, electro-optic modulation, and low-latency control systems. You will collaborate closely with senior engineers and photonics teams to integrate electronics with optical systems and optimize complex quantum hardware.

PsiQuantum Runcorn, WA7 1UP, United Kingdom
PsiQuantum logo

Quantum Systems Engineer

The Quantum Systems Engineer will design, build, and validate quantum photonic subsystems and experiments, contributing to the development of fault-tolerant quantum computers. Responsibilities include implementing quantum interference experiments, developing entangling circuits, and integrating subsystems into larger quantum architectures.

PsiQuantum Runcorn, WA7 1UP, United Kingdom
On-site Permanent
PsiQuantum logo

Integrated Photonics Engineer

The role involves designing and executing experiments to test and characterize advanced photonic circuits, developing automated experimental workflows, and collaborating with design teams to improve device performance. The position is crucial for advancing PsiQuantum's quantum computing platform.

PsiQuantum Runcorn, WA7 1UP, United Kingdom
On-site Permanent
PsiQuantum logo

Optical Packaging & Assembly Engineer

The Optical Packaging & Assembly Engineer will work on developing and prototyping next-generation optical packaging solutions for photonic integrated circuits (PICs). This role involves collaborating with mechanical, electronic, and quantum hardware teams to enable the assembly and testing of advanced optical quantum computing systems.

PsiQuantum Runcorn, WA7 1UP, United Kingdom
On-site Permanent
PsiQuantum logo

Senior Photonics Engineer, Optical Interfaces

The role involves developing ultra-low-loss optical interfaces for quantum computing systems, combining device concept development, optical simulation, and experimental validation. The engineer will work closely with internal and external teams to assess and mature new approaches for mode conversion and coupling, ensuring solutions are both high-performing and practical.

PsiQuantum Runcorn, WA7 1UP, United Kingdom
On-site Permanent
See all 12 roles →

Why work here

  • ✓ Work on cutting-edge photonic quantum computing at one of the most well-funded quantum startups in the world
  • ✓ Collaborate with world-leading physicists, engineers, and researchers building a fault-tolerant million-qubit machine
  • ✓ Leverage standard semiconductor manufacturing to scale quantum hardware from prototype to utility
  • ✓ Strong backing from top-tier investors including BlackRock, Microsoft's M12, Temasek, and Baillie Gifford

Hiring at PsiQuantum

Across 5 roles

Work policy

Office-based
5
Across 5 roles

Role types

  • permanent 5
Primary hiring location

Most of PsiQuantum's open roles on Quantum Computing Jobs are based in Daresbury, England, United Kingdom.

Frequently asked questions

What does PsiQuantum do?

PsiQuantum is building the world's first commercially useful, fault-tolerant quantum computer based on photonic qubits. Using silicon photonics manufactured in a standard semiconductor fab, the company is pursuing a million-qubit-scale machine designed to tackle problems beyond the reach of classical computers, with applications spanning drug discovery, materials science, climate modeling, and financial services. PsiQuantum is active in Photonics, Hardware, and Semiconductors.

What stage is PsiQuantum at?

PsiQuantum is at the late stage stage, with £2.3B raised to date, founded 11 years ago in 2015.

When was PsiQuantum founded?

PsiQuantum was founded in 2015 — that makes them 11 years old.

How big is PsiQuantum?

PsiQuantum sits in the 501-1000 employee band according to their public profile. Use this as a rough size signal — actual headcount can shift between disclosures.

How many jobs does PsiQuantum have open on Quantum Computing Jobs?

PsiQuantum has 12 open roles on Quantum Computing Jobs right now. Browse the full list above and apply directly.

Is PsiQuantum actively hiring?

Yes — PsiQuantum is hiring at a steady pace on Quantum Computing Jobs, averaging 2.8 roles posted per week (7 in the last 30 days, up 2 versus the previous 30).

Does PsiQuantum hire remotely?

PsiQuantum's current openings on Quantum Computing Jobs are all office-based. Follow them to be notified if remote roles are posted.

Does PsiQuantum publish salaries?

Not consistently — PsiQuantum's live roles on Quantum Computing Jobs have minimal disclosure on salary, role detail or work policy. Check individual listings for specifics.

Where is PsiQuantum hiring?

PsiQuantum's open roles on Quantum Computing Jobs are based primarily in Daresbury, England, United Kingdom. Check individual listings for remote or hybrid options.

What role types does PsiQuantum hire for?

PsiQuantum's 5 open roles on Quantum Computing Jobs include 5 permanent.

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