Latest Quantum Hardware Engineer Jobs

Compiler Engineer

Cambridge, UK | Full-time | Permanent | HybridSalary: £50,000 to £65,000, DOEWe will also consider part-time applications for this role. Please indicate your preferred working schedule in your cover letter.We are able to consider a range of levels of experience,...

Riverlane Cambridge, United Kingdom

Lead Quantum Error Correction Researcher

Cambridge, UK | Full-time | Permanent | HybridSalary: £72,000 to £140,000, DOE + Bonus + BenefitsThe salary range for this role is broad, as we are able to consider varying levels of experience. Any offer made will carefully take into...

Riverlane Cambridge, United Kingdom

Physicist, System Operations - Oxford

This role involves the day-to-day operation, monitoring, and maintenance of trapped-ion quantum computers. You will work on improving system uptime, building observability and automation, and collaborating with teams across time zones to ensure reliable performance of IonQ's quantum systems.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Senior QPU Evaluation Scientist - UK-007

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

Senior Manager, Programs Group - 751

The Programs team ensures our external and internal research projects are delivered predictably, transparently, and in alignment with customer needs and internal priorities. Working closely with research leads, solutions architects, and commercial teams, the group provides the structure and clarity...

Quantinuum London, United Kingdom

Senior Director, Demand and Campaigns - 798

The Senior Director, Demand and Campaigns will lead the development and execution of integrated marketing campaigns at Quantinuum. This role involves creating a disciplined campaign system that aligns business priorities, channels, and execution, with a focus on both enterprise/government demand generation and target-account lead generation. The position requires strong collaboration with product marketing, content, lifecycle, field, and operations teams.

Quantinuum United States US$240,000 – US$300,000 pa

Hybrid Permanent Flexible

Senior AMO Physicist - Neutral Atom Quantum Computing

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

Assistant Management Accountant

This role involves supporting the Finance team in a fast-growing quantum computing startup. Responsibilities include accounting, financial reporting, financial modelling, and system management. The position offers opportunities for professional growth and impact within a dynamic, interdisciplinary team.

Quantum Motion London, United Kingdom

On-site Permanent

Senior Software Infrastructure Engineer (DevOps)

This role involves developing, managing, and maintaining software services in a hybrid cloud and on-premises infrastructure. You will lead the evolution of a robust hybrid-cloud environment, optimize performance and cost-efficiency, and drive automation for deployment, monitoring, and self-healing systems. The position offers significant opportunities for professional growth and impact within a cutting-edge quantum computing startup.

Quantum Motion London, United Kingdom

Hybrid Permanent

Senior Optical Engineer

As a Senior Optical Engineer, you will collaborate with a multidisciplinary team to design, build, and test advanced optical systems for quantum sensing and computing. Your role involves leading the development of optical systems from requirements to assembly, optimizing designs, and validating components for performance and reliability.

Infleqtion Oxford, United Kingdom

Hybrid Permanent Flexible

I'd love to work at PQShield - Speculative Application

Join Our Pioneering Team in Post-Quantum Cryptography and RISC-VEstablished in 2018, our deep-tech startup is at the forefront of developing a RISC-V MCU-based subsystem, integrating advanced post-quantum cryptography algorithms and security features. With the feasibility of our technology confirmed and...

PQShield United Kingdom

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

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

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

Solutions Engineer - Defence and Government

Arqit is a global cybersecurity company delivering world-leading encryption solutions to secure data and communications for enterprises, governments, defence, and critical national infrastructure (CNI). Powered by advanced symmetric key cryptography, the Arqit SKA-Platform™ offers scalable dynamic encryption that meets modern...

Arqit London, United Kingdom