Quantum Computing Jobs

• Haywards Heath
• On-site
• Permanent

Provide optical engineering support to a team developing commercial trapped-ion quantum computers. Design, assemble, align and characterise laser and optical subsystems, integrate fibre-optic and opto-mechanical assemblies, and develop test methods to improve alignment stability and throughput. Work alongside electronics, mechanical, physics and quantum engineers.

• Kidlington
• Hybrid
• Mid-level
• Permanent

Builds and maintains CI/CD pipelines, container orchestration and infrastructure-as-code for integrated software, firmware and gateware, including hardware-in-the-loop testing rigs. Also owns lab system management, network and server administration, backup and recovery planning, and software security procedures for production systems. Split between Kidlington and the National Quantum Computing Centre at Harwell, with up to two days remote.

Docker · Kubernetes

• Berkeley, United States
• Hybrid
• US$240,000 – US$275,000 pa
• Director · manages people

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%.

Superconducting Quantum Processors · Dilution Refrigerators · RF/Microwave Hardware +1

• Warrington
• On-site
• £50,000 – £56,000 pa
• Mid-level
• Permanent

Mechanical design role focused on precision hardware for optical quantum computing, covering enclosure and packaging design, thermal management, simulation and validation. Works closely with photonics, systems and architecture teams plus external suppliers, taking concepts from prototype build toward manufacturable systems.

Silicon Photonics · Fibre Optics · Cryogenics +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
• 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

• Remote (within the USA); Ideally Austin or California. Some travel to our offices will be required from time-to-time
• Remote
• Senior

Customer-facing technical role supporting sales of post-quantum cryptography software and hardware into large manufacturers, enterprises and semiconductor/security accounts. Involves requirements discovery, demos, statements of work and Q&A documentation, working closely with Sales, Engineering and Management. Open to experienced sales engineers or embedded/hardware engineers moving into sales, with 10-20% travel.

Jira · GitHub · HubSpot +1

• Haywards Heath
• Hybrid
• Permanent

Design, build and test thermal control systems and electronic enclosure assemblies for ion-trap quantum devices, integrating mechanical designs with laser and electronic systems. Work within a multidisciplinary team of electrical engineers, physicists and quantum engineers, contributing to project planning, risk management and scheduling.

• Cambridge
• Hybrid
• Senior

Design, implement and maintain automated integration and end-to-end test suites for quantum computing infrastructure, spanning cloud services and hardware/software subsystems. Work with multiple teams to improve testability, integrate tests into CI/CD pipelines, and develop QA processes for major releases, with strong Python skills and little manual testing.

GitHub Actions · Jenkins · Pytest +2

• 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

• Oxford
• Senior · manages people

Build and lead a team owning the hardware test estate for quantum-computer control software, from CI systems to new QA and staging rigs. Define test-system architecture, plan builds with Manufacturing, and shape testing strategy across simulation and hardware-in-the-loop. Act as test architect, driving automation and self-service rig usage.

GitHub Actions

• 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

• 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 industrial optimisation and decision-making problems into mathematical models and Python prototypes on probabilistic computing simulators and PPU hardware. Benchmarks solutions against classical solvers and delivers proof-of-concepts, reports and workshops across defence, logistics, telecoms, energy and finance.

Gurobi · CPLEX · OR-Tools +3

• Warrington
• £50,000 – £57,000 pa
• Mid-level

Designs RF and high-speed electronics for controlling and reading out quantum photonic hardware, including electro-optic modulator drivers, SNSPD readout and low-latency control systems. Works alongside photonics and quantum teams, with FPGA-based design, debugging and lab measurement of complex cryogenic hardware.

FPGA · ASIC · SNSPD