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Infleqtion

Senior AMO Physicist

As a Senior AMO Physicist, you will contribute to the development of neutral atom quantum computing systems, working on projects from initial design to system demonstration. You will collaborate with physicists and engineers, execute complex simulations, and engage with stakeholders to advance cutting-edge quantum technologies.

Infleqtion Harwell, United Kingdom £50,000 – £80,000 pa
Hybrid Permanent
Infleqtion

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 £50,000 – £80,000 pa
Hybrid Permanent Flexible
Quantinuum

Director of Software US or UK - 800

As the Director of Software, you will lead the development of a high-performance software stack for quantum computers, including front-end languages, compilers, and applications. You will manage teams in both the US and UK, ensuring the software ecosystem aligns with hardware advancements and customer needs, while staying at the forefront of quantum computing trends.

Quantinuum United Kingdom US$238,050 – US$297,563 pa
On-site Permanent
Oxford Ionics

Senior Electronics Engineer

As a Senior Electronics Engineer, you will design, develop, and test electronics subsystems for cutting-edge quantum computing systems. You will work on mixed-signal systems, high-speed PCB layout, and precision instrumentation, contributing to the team's mission of building the world's most advanced quantum computers.

Oxford Ionics Oxford, United Kingdom £40,000 – £80,000 pa
Hybrid Permanent

Research Assistant/Associate in Quantum Technologies

The role involves contributing to the development of next-generation hardware for quantum technologies, including quantum circuits, logic components, and quantum memories. The postholder will work in a world-class facility, supervise PhD students, and help manage the project, addressing key challenges in scalability and stability for quantum communication and computing.

University of Glasgow Glasgow, G2 1AL, United Kingdom £33,951 – £37,694 pa
On-site Contract
Universal Quantum

Atomic Operations Designer

AtUniversal Quantum, we aim to make the world a better place by engineering the future of computing. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ranging...

Universal Quantum Haywards Heath, United Kingdom
Hybrid Permanent
Quantinuum

PhD Intern - Trapped-Ion Quantum Computing Theory - 809

This PhD Intern role involves applying research experience to measure and improve trapped-ion quantum computers. You will work closely with scientists to collect data, characterize device performance, and propose methods for enhancement. The role is based in a research environment, focusing on cutting-edge quantum computing technologies.

Quantinuum United States US$24 – US$35 ph
On-site Internship
Quantinuum

Physicist I - 775

As a Physicist I, you will work closely with a team of research scientists to operate, maintain, and upgrade a commercial quantum computer. Your responsibilities include analyzing system performance, planning upgrades, and supporting cross-disciplinary teams with complex technical problems. This role requires hands-on laboratory experience and strong problem-solving skills, with a focus on pushing the boundaries of quantum technology.

Quantinuum United States US$80,000 – US$101,000 pa
On-site Permanent
Oxford Ionics

Quantum Systems Scientist - Oxford

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 £40,000 – £60,000 pa
On-site Permanent
Nu Quantum

Optics Engineer

Contract Type: Full-time, PermanentLocation:Cambridge, UKVisa Sponsorship availableClosing date for applications: Wednesday 20th May 2026 at 5pm (UK time).Join Nu Quantum - Shaping the Future of TechnologyNu Quantum is at the forefront of quantum computing and advanced technology, driven by innovation,...

Nu Quantum Cambridge, United Kingdom
On-site Permanent
Quantinuum

Project Engineering Intern - 783

The Project Engineering Intern will support the development and integration of advanced quantum computing hardware by coordinating cross-functional efforts, organizing documentation, tracking tasks, and providing hands-on support for hardware builds and experiments. This role involves working closely with scientists and engineers in a fast-paced R&D environment, contributing to smooth day-to-day operations and project management activities.

Quantinuum United States US$27 – US$36 ph
On-site Internship
Newcastle University

Research Assistant/Associate in Quantum Modelling

We are a world class research-intensive university. We deliver teaching and learning of the highest quality. We play a leading role in economic, social and cultural development of the North East of England. Attracting and retaining high-calibre people is fundamental...

Newcastle University Newcastle upon Tyne, Northern England, United Kingdom £33 – £46 pa
On-site Contract
Quantum Motion

Junior Infrastructure Engineer

About The Role and Team Quantum Motion is a fast-growing quantum computing scale-up based in London founded by internationally renowned researchers from UCL and Oxford University with over 40 years’ experience in developing qubits and quantum computing architectures. Bringing together...

Quantum Motion London, United Kingdom £25,000 – £35,000 pa
Hybrid Permanent
Quantinuum

Chief Architect for Developer Tools - 802

The Chief Architect for Developer Tools will lead the technical direction for Quantinuum’s quantum software tools, working closely with hardware teams to optimize performance and scalability. Responsibilities include defining the software stack, mentoring senior engineers, and driving hardware-software co-design efforts to maximize the value of quantum hardware for customer applications.

Quantinuum Cambridge, United Kingdom
On-site Permanent
Oxford Ionics

Senior Software Engineer - Oxford

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 £40,000 – £80,000 pa
Hybrid Permanent