Quantum Computing Jobs

Photonic Layout Engineer

Design and layout photonic integrated circuits (PICs) for quantum processor units, integrating photonic components into multi-layer chips with on-chip light delivery. Collaborate with scientists and engineers to define design rules, produce tape-out-ready layout files using Python-based tools, and verify layouts through DRC and LVS. Contribute to custom Process Design Kits and document mask design processes for fabrication in commercial foundries.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Director of Facilities

Lead facilities operations for a high-tech quantum computing campus, managing complex building systems, vendor relationships, and compliance across laboratories, data centres, and manufacturing environments. Oversee infrastructure projects, space planning, and 24/7 site support while ensuring safety, resilience, and scalability. Mentor facilities teams and align with global stakeholders in a fast-growing, technically advanced environment.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Senior Optical Engineer

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Junior AMO Physicist

ABOUT USInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere”...

Infleqtion Harwell, United Kingdom

Hybrid Permanent

Optics Group Lead

Contract Type: Full-time, PermanentLocation:Cambridge, UKVisa Sponsorship availableJoin Nu Quantum - Shaping the Future of TechnologyNu Quantum is at the forefront of quantum computing and advanced technology, driven by innovation, diversity, and a commitment to excellence. We’re creating an environment where...

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Neutral Atom Systems Architect

This role involves defining and leading the system architecture for neutral-atom quantum processors, focusing on high-performance hardware design and integration with quantum networking systems. The candidate will model realistic quantum networking protocols, collaborate across quantum error correction, atomic physics, and systems engineering teams, and establish technical specifications for distributed quantum computing testbeds. It is a highly technical leadership position requiring deep expertise in neutral-atom qubit control, optical systems, and fault-tolerant architectures.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Electronics Engineer - Design and Verification

Design and verify integrated electronic circuits and subsystems for quantum computing systems. Develop and test analog and digital electronics using industry-standard tools, create detailed documentation, and collaborate with cross-functional teams including mechanical engineers, software developers, and physicists. Support rapid prototyping, test system development, and project planning within a cutting-edge quantum technology environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

RF - System Designer

This role involves leading the design and architecture of end-to-end RF delivery systems for quantum computing hardware, including transmission lines to the quantum chip. The designer will define specifications, oversee simulation and testing, and collaborate closely with cross-functional teams including electronics, ASIC, mechanical, and physics engineers. The position emphasizes innovation in RF solutions within a rapidly evolving quantum technology environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent Clearance Required

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

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

Technical Product Manager (Hardware Security & IP)

This role involves leading the technical product development of hardware security IP and post-quantum cryptography solutions within a deep tech semiconductor startup. You will define product requirements, create technical specifications, and align engineering teams on a roadmap that balances security, performance, and market needs. The position acts as a bridge between hardware, firmware, software, and business teams, focusing on integrating cryptographic IP into RISC-V-based systems and advancing secure silicon design.

PQShield United Kingdom

Remote Permanent

Senior Software Engineer

As a Senior Software Engineer at PQShield, you will design and implement secure cryptographic solutions, focusing on classical and post-quantum cryptography. You will work on optimizing performance, hardening implementations against attacks, and ensuring compliance with security standards. Collaboration with cross-functional teams, including hardware and security engineers, is key to this role.

PQShield United Kingdom

Remote Permanent

2026 Applied Scientist Intern, Amazon University Talent Acquisition

Are you a MS or PhD student interested in a 2026 internship in the field of machine learning, deep learning, generative AI, large language models and speech technology, robotics, computer vision, optimization, operations research, quantum computing, automated reasoning, or formal...

Amazon London, United Kingdom

Permanent

Quantum Algorithms Scientist - Optimization

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol in the...

Phasecraft Bristol, United Kingdom

Hybrid Permanent

Quantum Algorithms Scientist

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol, UK. In...

Phasecraft London, United Kingdom

Hybrid Permanent