Latest Quantum Cryptography Jobs

Director of Software Engineering

Lead the software engineering strategy and a team building post-quantum cryptography products, from cryptographic libraries and secure protocols to embedded, cloud and data centre deployments. The role spans architecture, Agile delivery, CI/CD and secure development practices, working closely with cryptographers and hardware engineers on hardware-software co-design.

PQShield Remote; UK, Germany, France, Belgium, Austria, Netherlands, Spain. Some travel to our offices (Oxford/London/Paris) will be required from time-to-time

Remote

Sales Director - Japan

Lead sales strategy and execution for a post-quantum cybersecurity company in Japan, targeting enterprise clients in semiconductor, telecom, automotive, and security sectors. Drive market expansion by building relationships with key stakeholders and closing high-value technical IP deals. Collaborate with field application engineers and global teams to align product development with customer needs.

PQShield Ideally Tokyo, Japan; Some travel to our offices will be required from time-to-time

Quantum Microchip Designer (Ion Traps)

Design and develop next-generation microfabricated Paul traps for scalable quantum computers, working with users to determine suitable layouts and acting as technical liaison with ion trap manufacturers. Perform electromagnetic and thermo-mechanical analysis and simulation, and collaborate with package designers on assembly procedures. The role also involves documenting designs and simulations.

Universal Quantum Haywards Heath

Hybrid Permanent

Quantum Physics open applications

An open application route for quantum physics specialists rather than a defined role, inviting candidates to introduce themselves when no specific vacancy fits. The work centres on engineering quantum computing hardware within a team building large-scale quantum computers. It suits people who want to be considered across multiple potential positions.

Universal Quantum Haywards Heath

Hybrid Permanent

Senior Quantum Field Engineer

Deploys and operates Rigetti quantum systems at customer sites, owning technical work from initial bring-up through sustained cloud operation. Specialises in either systems integration (cryogenic hardware, qubit and fridge characterisation) or gate calibration (1Q/2Q gate performance, automated recalibration, production monitoring). Requires up to 25% international travel and close collaboration with internal R&D teams.

Rigetti US or UK Locations

Hybrid

AMO Physicist - Quantum RF

Experimental AMO physicist role focused on translating product requirements into atomic system designs for quantum RF sensor systems. Involves modelling, simulation, testing and integrating opto-mechanical systems, electronics and software into quantum devices, working closely with a multidisciplinary team of physicists and engineers.

Infleqtion Kidlington

Hybrid Permanent

PhD Studentship: Quantum Information with Mechanical Systems (QuIMS): Modelling Nonlinear Quantum Optomechanical Devices

A 3.5-year PhD modelling nonlinear quantum optomechanical devices, focusing on suspended graphene resonators coupled to superconducting microwave cavities. The student develops analytical and numerical models of device dynamics, examines limitations like parasitic coupling and decoherence, and designs protocols for non-classical mechanical states, working with theorists and experimentalists.

University of Exeter Exeter £21,805 pa

Contract

Senior Manager - Quantum Software Development Tools - 929

Leads engineering teams building core quantum languages, compilers and toolkits such as Selene, TKET, HUGR and Guppy, balancing people management with technical roadmap execution. Stays hands-on through design discussions, architectural reviews and code problem-solving, and guides tooling from research prototypes to production-grade software. Collaborates with hardware, theory and product teams across global sites, with occasional international travel.

Quantinuum Cambridge

Hybrid

Advanced R&D Scientist - Quantum Algorithms - 920

Develops novel quantum algorithms in computational topology and geometry, characterising resource requirements and noise-robustness, then implementing and optimising them on Quantinuum's quantum hardware using error mitigation and error correction. Works across the full quantum computing stack with hardware, QEC and software teams, and with academic and industry partners on quantum topological data analysis use cases.

Quantinuum London

Hybrid

PhD Studentship: Building Heterogenous Quantum-Dot–Atom Repeaters: Photon Generation, Storage and Conversion for Quantum Networks

Builds hybrid quantum-dot–rubidium interfaces for frequency conversion and storage of single photons in warm alkali vapour, combining device fabrication, cryogenic QD optics and atomic-vapour experiments. The work spans optical-setup design, III–V semiconductor and atomic physics, quantum optics and numerical modelling of EIT and four-wave mixing, with links to metro-link quantum network trials.

The University of Manchester Manchester £21,805 pa

Contract

Post Doctoral Research Fellow in Quantum Information (Fixed Term)

Conducts original research in quantum information and entanglement theory on an EPSRC/NSF-funded project studying entanglement in heterogeneous chemical reactions, combining quantum information theory, nanoscale sensing and open quantum systems modelling. Involves developing methods to quantify entanglement from experimental measurements, publishing in leading journals, contributing to grant bids, and coordinating meetings across UK and US teams.

University of Nottingham Nottingham £35,608 – £38,784 pa

On-site Contract

Research Associate / Senior Research Associate for Advanced Quantum Networking x 2 positions available

Develop next-generation entanglement-based quantum networks over fibre infrastructure, designing and demonstrating systems across lab, metropolitan and national testbeds. Research spans entangled-photon sources, single-photon detection, optical switching, wavelength routing, timing and synchronisation, and network control, with Grade J roles adding research leadership and mentoring.

University of Bristol Bristol £40,704 – £51,258 pa

On-site Permanent

Postdoctoral Research Assistant in Modelling of Quantum Computing Control Systems

Builds machine learning models and digital twins of quantum devices to study how scaling affects the control and stability of quantum operations. Models the physical and control architecture to identify design bottlenecks and optimisation strategies, using simulators as a testbed for engineering trade-offs. Works with academic teams, industrial partners and national labs within the QCI3 initiative.

University of Oxford Oxford £39,424 – £47,779 pa

On-site Contract

Senior Front-End Engineer, Quantum Tools

Design, build and support web-based tools for scientific research and hardware integration, used by quantum scientists and engineers. Work spans information-dense dashboards, system telemetry and calibration interfaces, with heavy focus on streaming data, interactive charts and rendering performance in React and TypeScript.

IonQ Oxford

Hybrid Clearance Required

Director, Global Quantum System Deployment

Lead the global deployment, integration and commissioning of on-premise quantum computing systems, building and scaling a Field Engineering organisation. Own site readiness, installation, acceptance and lifecycle support for superconducting processors, dilution refrigerators and RF/microwave hardware, acting as senior technical escalation point and travelling globally around 30-40%.

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

Hybrid