Latest Quantum Computing Scientist Jobs

Senior Manager, System Operations - Oxford

Leads a team of physicists ensuring reliable operation and continuous improvement of commercial quantum computing systems. Focuses on fleet performance, incident resolution, deployment, and operational strategy. Works cross-functionally to influence product design and enhance system resilience using deep technical and operational expertise in quantum hardware environments.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Director, System Software

Lead a team of software engineers developing the full-stack software that powers trapped-ion quantum computers, from real-time FPGA control systems to quantum compilers and application interfaces. Define and scale engineering processes, devops, and support workflows in a cross-disciplinary environment working closely with quantum scientists. The role is central to evolving the software architecture and team structure to support internal research and external customer delivery.

Oxford Ionics Oxford, United Kingdom

R&D Manager - Software -914

This role involves leading a team of software engineers to develop and mature quantum programming languages, compilers, and developer tools such as Guppy, HUGR, and TKET. The position balances technical leadership with people management, guiding the full software development lifecycle from research to production. The team collaborates closely with research, hardware, and product groups across the UK and US to ensure the software stack supports cutting-edge quantum processors.

Quantinuum Cambridge, United Kingdom

Hybrid

Chief Platform Architect - 801

Lead the technical vision and architecture of a high-performance quantum software developer platform, focusing on scalable access portals, hybrid workflow orchestration, and secure cloud-based application delivery. Mentor senior engineers, define coding standards, and drive the technical roadmap in close collaboration with hardware teams. The role involves shaping platform engineering practices and enabling both internal and external developers through reusable components and robust APIs.

Quantinuum United States US$208,000 – US$260,000 pa

Hybrid Permanent

Quantum Engineer

Develops and characterizes superconducting quantum processors through experimental physics and quantum control techniques. Focuses on improving qubit performance, gate fidelity, and implementing quantum error correction. Works across device design, fabrication, and control systems in a cross-functional R&D environment.

Rigetti United States US$155,000 – US$200,000 pa

On-site Permanent

Systems Integration Engineer (Field, Quantum Systems)

This role involves deploying and commissioning quantum computing systems at customer sites globally, ensuring hardware and software performance meet specifications. The engineer will lead technical bring-up, troubleshooting, and calibration of superconducting qubit systems, either focusing on cryogenic hardware integration or gate-level calibration and cloud deployment. Collaboration with R&D teams and customer personnel is central, with significant international travel required.

Rigetti United Kingdom

Hybrid Permanent

Director of Technology - Quantum

Lead the strategic development and delivery of quantum and photonics technology programmes across research, industry, and government stakeholders. Drive collaborative R&D initiatives, define technology roadmaps, and mentor technical teams focused on software, algorithms, and use cases—without hardware development. Shape national capability by translating emerging quantum technologies into practical applications and informing policy through evidence-based experimentation.

Digital Catapult London, United Kingdom £100,000 – £130,000 pa

Hybrid Permanent

Mechanical Engineer

Design and build thermal control and electronic enclosure systems for ion-trap quantum computing hardware. Integrate mechanical components with laser and electronic systems in a multidisciplinary R&D environment. Support project planning, risk management, and cross-functional collaboration to advance quantum computing technology.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Software Engineer (Compilers)

Develop and optimise software for quantum computing hardware, focusing on compiler design and low-level system integration. Work within a multidisciplinary team to implement, benchmark, and improve quantum processes and algorithms. Take ownership of major components in the quantum software stack, from design through testing and documentation.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Visiting Fellow

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 Bristol, United Kingdom

Hybrid Contract

Embedded DevOps Engineer

This role focuses on building and maintaining robust CI/CD pipelines, hardware-in-the-loop testing, and infrastructure-as-code systems to support quantum computing and sensor development. The engineer will manage software deployment, system security, and lab infrastructure, ensuring high uptime and traceable, reliable releases across integrated software, firmware, and gateware. Close collaboration with both hardware and software teams is essential in a research-driven lab environment.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior Optical Engineer

This role involves leading the design, analysis, and integration of complex optical systems for quantum computing and sensing applications, from concept through to testing. The engineer will work across multidisciplinary teams to develop high-precision optical systems involving laser delivery, modulation, and imaging, with responsibilities spanning component-level work to large-scale subsystems. The position emphasizes hands-on development, simulation-driven design optimization, and rigorous validation in a cutting-edge quantum technology environment.

Infleqtion Kidlington, 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

Staff Analogue Designer, CMOS Modelling

This role involves developing high-fidelity behavioural models for cryo-CMOS mixed-signal integrated circuits used in quantum computing systems. You'll derive models from mathematical foundations, implement them in Verilog-A/AMS and real-number formats, and ensure correlation with schematic and silicon measurements. The position shapes modelling methodology and enables full-chip simulation across temperature extremes, directly supporting the development of control hardware for trapped-ion quantum processors.

IonQ Oxford, United Kingdom