Quantum Computing Jobs

Universal Quantum · Haywards Heath

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.

PQShield · Remote (within the countries we operate from); UK, France, Netherlands, Spain, or Belgium. Some travel to our offices will be required from time-to-time

Lead a cryptographic software IP team, owning the full development lifecycle from architecture and planning to testing and customer delivery. Combines hands-on embedded C expertise with line management, hiring, mentoring and cross-team strategy, working on post-quantum cryptography and RISC-V with hardware and vulnerability teams.

Infleqtion · Kidlington

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.

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

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.

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

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$160,000 – US$190,000 pa

Owns end-to-end delivery of complex quantum systems programs, building roadmaps, milestones and integration schedules across device fabrication, cryogenics, control hardware and software teams. Tracks readiness across hardware, firmware and software layers, manages cross-team dependencies and risks, and establishes scalable program management practices for research-driven deep-tech R&D.

PsiQuantum · Warrington · £50,000 – £56,000 pa

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.

Quantinuum · London · £2,500 pm

Interns join the UK Quantum Error Correction team to work on an active research project spanning architectural design, analysis and implementation of the QEC stack, from tensor networks and ZX calculus to fault-tolerant magic state gadgets and trapped-ion demonstrations. Based in London or Cambridge, the role sits in a research-focused group with close ties to hardware and software engineers, aiming at a publication and/or software libraries.

Quantum Dice · Oxford

Customer-facing technical role translating defence and national security challenges into mathematical models, building prototypes on quantum-enabled simulators and probabilistic hardware, and benchmarking against classical solvers. Spans Solutions, Applied Research, Engineering and Commercial teams, leading projects from requirements capture to pilot under security classification and export control constraints.

Universal Quantum · Haywards Heath

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.

Anonymous · London

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.

IonQ · Oxford

This role involves working closely with software engineers, systems teams, and quantum scientists to build and operate the software that controls the hardware surrounding quantum computers. Responsibilities include designing and implementing device controllers, ensuring robustness and observability, and integrating with the wider software architecture.

IonQ · Oxford

Builds the control plane that schedules quantum programs, calibration routines and customer workloads onto trapped-ion hardware, arbitrating exclusive access and streaming results. Owns persistence, data models and migrations, plus tests and harnesses run against real machines and simulators. Works in Rust, PostgreSQL and gRPC alongside runtime, systems and operator teams.

PsiQuantum · Warrington · £50,000 – £57,000 pa

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.

Anonymous · London

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.