Quantum Computing Jobs

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

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.

• Remote (within the countries we operate within; Some travel to our offices will be required from time-to-time
• Remote
• Senior

Owns the product roadmap for software-based security IPs, cryptographic libraries and firmware, defining how security software integrates with hardware IPs and SoC architectures. Acts as domain expert on classical and post-quantum cryptography, hardening products against side-channel, DPA and timing attacks, and authoring PRDs that translate crypto standards into engineering requirements. Works directly with founders and customers in a deep-tech semiconductor context.

RISC-V · Arm · x86 +5

• Haywards Heath
• Hybrid
• Mid-level
• Permanent

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.

Paul Traps

• Haywards Heath
• Hybrid
• Permanent

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.

Quantum Computing

• US or UK Locations
• Hybrid
• Senior

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.

AWS · Azure · Kubernetes +3

• Kidlington
• Hybrid · 3 days in office
• Mid-level
• Permanent

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.

• Cambridge
• Hybrid
• Senior

Maintain and extend a Rust-based quantum compiler codebase, implementing optimisations for quantum-classical programs and new language features. Work across the full development lifecycle with a small team on the TKET compiler and Guppy language, at the intersection of compiler design and quantum computing research.

TKET · Guppy · LLVM +1

• London
• On-site
• £50,733 – £62,001 pa
• Entry level
• Contract

Designs optimised driving schemes for noise-resilient entangling gates with trapped ions, supporting an experimental partner in Innsbruck and a theory partner in Sofia. Combines analytical and numerical optimal control methods to identify and overcome imperfections limiting gate fidelities at finite temperature and without accurate calibration.

• Birmingham
• Entry level
• Contract

A theoretical physics PhD project studying out-of-equilibrium quantum many-body dynamics and how thermodynamics emerges from it. The work combines analytical and numerical methods from quantum many-body physics, quantum information, quantum integrability and quantum many-body chaos, supervised by Dr Bruno Bertini.

• Cambridge
• Hybrid
• Senior · manages people

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.

Selene · TKET · HUGR +1

• Exeter
• £21,805 pa
• Entry level
• Contract

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.

Graphene Resonators · Superconducting Microwave Cavities · Phononic Crystals

• Manchester
• £21,805 pa
• Entry level
• Contract

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.

Quantum-Dot Sources · Rubidium Vapour Memories · Optical Fibre

• Manchester
• £21,805 pa
• Entry level
• Contract

A four-year PhD studentship developing molecular-scale quantum sensors that detect cancer biomarkers via their magnetic rather than fluorescent signatures, aiming to map molecular markers on cancer cells at high resolution. The project addresses how biomarker location and distribution influence cancer cell behaviour, working with supervisor Dr Keerthi.

Molecular-Scale Quantum Sensors

• London
• £26,022 pa
• Entry level
• Contract

Theoretical PhD project exploring how terahertz photons can control quantum matter, from Landau polaritons in high magnetic fields to topological qubits. Combines quantum optics, condensed-matter theory and numerical modelling of driven open quantum systems, with close links to experimentally achievable THz cavities.

• Nottingham
• On-site
• £35,608 – £38,784 pa
• Entry level
• Contract

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.