Quantum Computing Jobs

Senior Software Engineer - Oxford

As a Senior Software Engineer, you will work on developing a quantum compiler, writing embedded firmware, designing high-level APIs, and advancing internal development infrastructure. You will collaborate with scientists and engineers to build and optimize quantum computing systems using Python, Rust, and custom hardware.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Quantum / Senior Quantum Community Engineer

This role involves promoting and supporting the use of Deltakit, Riverlane’s open-source software toolkit for quantum error correction. You will run workshops, give talks, support users, build relationships within the quantum community, and provide feedback to the product and engineering teams to improve Deltakit.

Riverlane Cambridge, United Kingdom £65,000 – £90,000 pa

Hybrid Permanent

Senior Manager, System Operations - Oxford

This role involves leading a team of physicists to ensure the reliable operation and continuous improvement of IonQ’s commercial quantum computing systems. Responsibilities include managing fleet operations, incident response, deployment, and operational readiness, while collaborating with cross-functional teams to enhance system performance and reliability.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Quantum Error Correction Researcher (Algorithms)

As a QEC Researcher (Algorithms) at Riverlane, you will work on quantum algorithms and their implementation on future fault-tolerant quantum computers. You will collaborate with a multidisciplinary team, contribute to academic research, and optimize quantum circuit compilation for specific QEC primitives.

Riverlane Cambridge, United Kingdom £60,000 – £85,000 pa

Hybrid Permanent

Senior DevOps Engineer

This role involves designing and managing large-scale HPC clusters, implementing Infrastructure as Code, and automating the deployment of job schedulers. You will also provide expert-level support for complex CAD tool environments and mentor junior staff, all while ensuring high performance and security in a hybrid cloud and on-prem infrastructure.

Quantum Motion London, United Kingdom

Hybrid Permanent

Chief Architect for Developer Tools - 802

As the Chief Architect for Developer Tools, you will lead the technical direction for Quantinuum’s quantum software tools, working closely with hardware teams to ensure the software stack is scalable and optimized. You will mentor senior engineers, set coding standards, and drive the technical roadmap to deliver robust, production-ready systems.

Quantinuum Cambridge, United Kingdom

On-site Permanent

Senior IC Validation Engineer

This role involves the design and test of deep-cryogenic integrated circuits that interact with qubits, focusing on performance optimization and data analysis. You will work closely with a multidisciplinary team to develop scalable quantum processors based on silicon technology, contributing to the advancement of quantum computing.

Quantum Motion

On-site Permanent

Senior Health, Safety & Environment (HSE) Engineer - 804

The Senior HSE Engineer will develop and maintain HSE programs, ensure compliance with regulations, and drive a safety-first culture across multiple global locations. Key responsibilities include hazardous materials management, HSE training, and supporting sustainability initiatives.

Quantinuum United States US$100,000 – US$125,000 pa

On-site Permanent

Opto Mechanical Engineer

This role involves collaborating with a cross-functional team to design, build, and test optomechanical systems for quantum computing. Responsibilities include gathering system requirements, using simulation tools, creating CAD models, and characterizing components for performance and reliability.

Infleqtion Oxford, United Kingdom

Hybrid Permanent

HR Coordinator

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 Oxford, United Kingdom

Hybrid Permanent

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

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

Head of Quantum Hardware

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

AMO Physicist

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

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