Quantum Computing Jobs

• Bristol
• On-site
• £40,704 – £51,258 pa
• Senior
• Permanent

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.

Fibre Optics · Entangled-Photon Sources · Bell-State Measurements +2

• 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
• Hybrid
• Mid-level

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.

pytket · Guppy · Qiskit

• Berkeley, United States
• Hybrid
• US$165,000 – US$190,000 pa
• Senior

Lead the mechanical design and integration of cryogenic hardware for quantum computers, including cryostat internals, RF signal delivery and silicon device packaging inside dilution refrigerators. Work spans 3D CAD, FEA thermal/vibrational simulation, prototyping and supplier management, collaborating with quantum physicists and RF engineers.

SolidWorks · PLM · CAD +1

• London
• Hybrid
• Senior

Own the full electronics development lifecycle for photonic computing hardware, from analogue and mixed-signal circuit design through schematic capture, PCB layout, prototyping and lab verification. Work alongside physicists, optical engineers and embedded software developers in a collaborative R&D team, testing with oscilloscopes and spectrum analysers and supporting integration and EMC work.

ADC · DAC · Oscilloscopes +1

• Warrington
• Hybrid
• £31,200 – £56,160 pa
• Entry level
• Internship

Interns in the optical architecture group work at the interface of hardware, manufacturing and quantum architecture, prototyping software to control and simulate optical networks inside photonic quantum computers. They apply quantum information theory, network design and optimisation to improve designs, simulate and benchmark protocols, and document results. Placements run 3-6 months on a rolling basis, with a mix of analytical and programming work.

GitHub

• Warrington
• £64,000 – £76,500 pa
• Senior

Laboratory-based R&D role designing and running precise, repeatable measurements of optical fibre properties such as loss, modal content, dispersion and polarisation, and interpreting how they affect system performance. Combines experimental characterisation, optical modelling and exploratory subsystem demonstrations, working with optical-interface and mechanical-design specialists plus external research partners.

FDTD

• London
• Hybrid
• Mid-level
• Permanent

Develops FPGA-based digital control hardware for photonic quantum computing systems, owning architecture, RTL design, simulation, synthesis, timing closure and hardware bring-up. Works in a multidisciplinary R&D team with electronics engineers, physicists and software developers on high-speed, low-latency control and signal processing using ADCs, DACs and high-speed interfaces.

Xilinx Vivado · Intel Quartus · ADC +2

• 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

• Oxford
• Lead

Leads the evolution of the system software architecture for a quantum computer, spanning real-time hardware control, low-level orchestration and developer-facing interfaces across a family of products. Coaches technical leads in architectural principles and coordinates with infrastructure, firmware and compiler teams in the UK and US, working at system level rather than designing through code.

Rust · AWS

• Oxford
• Hybrid
• Mid-level

Build and operate the software controlling the supporting hardware of trapped-ion quantum computers, from cryogenic compressors to lasers, wavemeters and sensors. You'll own device controllers end to end — API design, implementation, fleet rollout and operational health — working in a Rust codebase with hardware protocols like SCPI, serial, TCP/IP and USB alongside software, systems and quantum science teams.

Rust · SCPI · TCP/IP +1

• Berkeley, United States
• US$115,000 – US$140,000 pa
• Mid-level

Hands-on field role operating, maintaining and debugging RF and cryogenic systems for quantum processors deployed at customer sites worldwide. Owns dilution refrigerator cooldowns, vacuum and helium leak detection, RF hardware validation, and on-call support, with 35%+ international travel.

Dilution Refrigerators · Network Analyzers · Oscilloscopes +7

• Oxford
• Hybrid
• Senior

Hands-on staff engineering role building the control plane that schedules and prioritises quantum programs, arbitrates exclusive hardware access, streams results and records everything that ran across a fleet of trapped-ion quantum computers. Work spans Rust services, PostgreSQL persistence, crash recovery and scheduling frameworks, with deep diagnosis of live-system failures.

Rust · gRPC · REST +6

• Oxford
• Hybrid
• Permanent

Customer-facing technical role translating defence and national security challenges into mathematical models, building prototypes on simulators, software stacks and probabilistic hardware. Applies optimisation, probabilistic inference and AI methods such as QUBO, Ising models and Bayesian networks, benchmarking against classical solvers, CPUs and GPUs. Leads projects from requirements capture to pilot within defence constraints including security classification and export control.

CPUs · GPUs

• Glasgow
• On-site
• £47,389 – £58,225 pa
• Contract

Lead the commercial development of a compact cold-atom clock physics package, translating university research into a viable product. The role is based at CPI-TMD in Hayes after an initial 8-12 month placement at the University of Strathclyde, working with academic researchers and industrial engineers.

Cold-Atom Clock · Microwave Amplifiers · Power Systems