Quantum Computing Jobs

Universal Quantum · Haywards Heath

Lead multidisciplinary systems engineering across electronic, mechanical, cryogenic, vacuum, optical, software and control domains, owning system-level rigour from concept to customer deployment. Define the systems engineering strategy, lifecycle, standards and toolset including requirements management, MBSE, modelling and configuration control, while chairing design, readiness, test and acceptance reviews. Build and mentor engineering teams across UK and international locations, maintaining system-level plans, dependencies and technical risks to meet programme objectives.

Universal Quantum · Haywards Heath

Designs RF PCBs and architecture for a custom RF delivery system, including cables and transmission lines, and defines specifications for key building blocks. Oversees RF verification and validation testing and documentation, working closely with electronics, ASIC, mechanical, software engineers and physicists on rapid proof-of-concept work.

Infleqtion · Oxford

Designs, verifies and implements mixed-signal and analogue electronic systems for quantum products, covering signal-chain architecture, modelling and simulation, and digital/mixed-signal circuit design with DAC/ADC and FPGAs. Also handles PCB design and layout, RF shielding, cabling and routing, plus test plans and supplier engagement within a multi-disciplinary team.

Rigetti · Berkeley, United States · US$165,000 – US$190,000 pa

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.

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.

PsiQuantum · Warrington

Develops scalable fibre-to-chip alignment schemes and opto-electronic packaging workflows for chip-based photonic integrated circuits at the UK R&D facility in Daresbury. Involves prototyping packaging flows, reviewing BOMs, sourcing materials with supply chain and external vendors, and transferring designs to manufacturing partners.

Infleqtion · Oxford

Lead scientist role focused on quantum radio frequency (QRF) research within a global quantum technology company. Involves driving experimental work on atom-based quantum sensors and platforms, bridging fundamental physics with commercial product development. Based in Kidlington, Oxford, with up to two days remote working per week.

IonQ · Oxford

As a Senior Mechanical Engineer on the Reliability Engineering team, you will focus on maintaining and improving the performance of IonQ's quantum computers. Your responsibilities include diagnosing and resolving mechanical, vacuum, cryogenic, and thermal faults, designing and implementing solutions, and updating product lifecycle management systems.

IonQ · Oxford

Owns mechanical design of ion-trap quantum computer hardware, from first requirements through manufacture and integration. Produces CAD assemblies, drawings and BOMs for cryostat, vacuum and cooling systems, routes cabling and optical fibre, and supports lab technicians. Works with scientists and hardware teams on complex multidisciplinary systems.

Rigetti · Berkeley, United States · US$180,000 – US$250,000 pa

Builds and maintains data-intensive Python backend services for Rigetti's internal software team, supporting quantum engineers and fab engineers with measurement, characterization and fabrication tooling. Work spans schema migrations, testing, CI, performance and observability, plus frameworks that let scientists use AI coding agents safely. Small senior team, no quantum background required.

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.

Arqit · Belfast

Builds horizontally scalable, mission-critical enterprise software within a fast-moving product team where code ships to customers in weeks. Works with systems architects on component design, applies AI tooling across the development lifecycle, and monitors production performance. Uses languages such as Java, Kotlin, Rust, Python or C++ with containers and cloud IaaS/PaaS.

KO2 Embedded Recruitment Solutions · Abingdon · £65,000 – £75,000 pa

A technical leadership role in an established backend team building Modern C++ (C++17) software on Debian Linux that controls scientific instruments, coordinating pumps, valves, sensors and gauges. You own APIs used by the web GUI and customer scripts, write Python automated tests, run design reviews, and mentor less experienced engineers while working with scientists and product managers.

Arqit · Belfast

Builds horizontally scalable, mission-critical enterprise software in a fast-moving product team where code ships to customers within weeks. Works across hybrid cloud IaaS/PaaS architectures using Java, Kotlin, Rust, Python or C++, embedding AI tooling across the development lifecycle, mentoring junior engineers and monitoring production performance.

Exchange Street Claims & Financial Services · London · £42,500 pa

Liability AdjusterLondon, RemoteCasualty claims If you’re a casualty / liability adjuster looking for a new home, then read on. Dealing with a caseload of EL/PL injury and TPPD claims on an investigate only basis, you’ll get a great manager who...