Latest Quantum Physicist Jobs

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

Senior AMO Physicist - Inertial Sensing

The role involves developing atomic system designs for inertial sensing applications using atom-based quantum technologies. You will perform modelling, simulations, and analytical calculations, while integrating complex opto-mechanical systems, electronics, and software into quantum devices. The position requires close collaboration with physicists and engineers, conducting laboratory work from setup to system demonstration, and contributing to technical documentation, proposals, and publications.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Error Correction Researcher

This role involves designing and evaluating quantum error correction protocols for distributed quantum systems, using numerical simulations to assess performance. The researcher will collaborate with theorists and experimentalists, contributing to protocol development and implementation. A key focus is advancing scalable quantum networking through innovation in error resilience, with opportunities to publish and present work at conferences.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

FPGA Design Engineer

This role involves designing and verifying RTL and embedded code for Xilinx FPGAs and SoCs used in real-time control systems for quantum networking. The engineer will work hands-on with multidisciplinary teams to develop and debug hardware subsystems, contribute to next-generation platforms using White Rabbit technology, and support automation of toolchains and CI/CD pipelines. The position is central to deploying scalable quantum infrastructure.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Quantum Scientist - UK-070

Quantum is now, and it's built here.Oxford Ionics, now part of IonQ, is pioneering the next generation of quantum computing. Using our world-leading trapped-ion technology, we’re building the most powerful, accurate and reliable quantum systems to tackle problems that today’s...

Oxford Ionics Oxford, United Kingdom

Quantum Applications Scientist

This role involves co-designing novel quantum simulation applications for neutral-atom hardware, collaborating with academic and industry partners to address challenges in quantum materials, chemistry, and physics. You will work on error correction, algorithm design, and application pipelines, contributing to the advancement of quantum computing.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Quantum Systems Scientist - Oxford

This role involves ensuring the continuous operation and reliability of trapped-ion quantum computing systems. The scientist will diagnose faults, improve system uptime through monitoring tools and dashboards, and collaborate across hardware and software teams to implement robust engineering solutions. The position emphasizes hands-on work with optomechanical systems and shaping system design for scalability and performance.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Director, Global Quantum System Deployment

About the RoleRigetti Computing is seeking aDirector of Quantum System Deployment & Field Engineering to lead the global deployment, integration, commissioning, and lifecycle support of our on-premise quantum computing systems.In this role, you will build and lead Rigetti's Field Engineering...

Rigetti United States US$240,000 – US$275,000 pa

Hybrid

R&D Scientist, Quantum Algorithms

Design and implement quantum algorithms focused on solving differential equations, with opportunities to publish and collaborate across the quantum computing stack. Work on real-world applications using high-fidelity hardware and contribute to end-to-end resource estimation under realistic constraints.

Quantinuum London, United Kingdom

Hybrid Permanent

Systems Integration Engineer (Field, Quantum Systems)

This role involves deploying and commissioning quantum computing systems at customer sites worldwide, ensuring hardware and software performance meet specifications. The engineer will lead technical bring-up, calibration, and troubleshooting of superconducting quantum processors, either focusing on cryogenic systems integration or gate-level calibration and cloud deployment. The position bridges field operations with internal R&D to improve scalability and reliability of quantum systems in production environments.

Rigetti United Kingdom

Hybrid Permanent

Integrated Photonics Engineer

Design and conduct experiments to characterize advanced integrated photonic circuits for quantum computing systems. Develop automated test workflows, analyze optical device performance, and collaborate with design teams to refine photonic components such as directional couplers, interferometers, and electro-optic modulators. Work within a high-tech R&D environment focused on scaling fault-tolerant quantum computers using silicon photonics.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £45,000 – £55,000 pa

On-site Permanent

Senior Optical Fibre Engineer

This role involves developing and evaluating advanced optical fibre technologies for high-performance photonic systems used in quantum computing. The engineer will perform optical modelling, design experiments to validate fibre properties, and collaborate with internal teams and external partners to integrate fibres into larger optical platforms. Work focuses on specialty fibres with attention to modal behaviour, loss, dispersion, and coupling in demanding environments.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £64,000 – £76,500 pa

On-site Permanent

R&D Manager - Software -914

We are seeking an R&D Manager - Software to lead the team developing Quantinuum's programming-language and compiler tools, including Guppy, HUGR and TKET. These tools form a core part of our quantum software stack, enabling developers and internal teams to...

Quantinuum Cambridge, United Kingdom

Hybrid

Quantum & Cryptography Principal Sales Specialist, UK Public Sector

This role involves leading the commercial strategy for AWS quantum computing and cryptography services across UK public sector organisations, from national security to the NHS and local government. The specialist will drive adoption of quantum-safe technologies and cybersecurity solutions by engaging senior leaders, shaping go-to-market plans, and navigating complex procurement environments. Success requires combining technical depth with mission-driven value selling in high-stakes, regulated domains.

Amazon London, United Kingdom

Hybrid Permanent Clearance Required

Quantum Microchip Designer (Ion Traps)

Design and develop microfabricated Paul traps for scalable quantum computers, focusing on electromagnetic and thermo-mechanical simulation, layout optimisation, and collaboration with fabrication partners. Work closely with package designers and internal stakeholders to ensure manufacturability and performance. The role involves end-to-end ownership of trap design from concept to testing.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent