Quantum Computing Jobs

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.

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.

Rigetti · Fremont, United States · US$170,000 – US$200,000 pa

Owns the health and performance of production PVD deposition modules used to fabricate superconducting quantum processors, developing, optimising and qualifying thin-film processes via SPC and data analysis. Works cross-functionally with equipment, facilities, integration and quantum engineering teams, with growing scope to set technical direction and mentor engineers.

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.

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

The Staff Supplier Quality Engineer will lead the quality management of IonQ's supply chain, ensuring components meet high reliability and performance standards. Responsibilities include supplier selection, qualification, audits, and continuous improvement, with a focus on maintaining a robust quality system and compliance with industry standards.

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.

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...

IonQ · Oxford

Owns a service or subsystem of the control plane that schedules and arbitrates access to trapped-ion quantum computers, keeping them calibrated and productive. Involves Rust, async programming, gRPC/REST services, PostgreSQL state machines, concurrency and failure handling, plus moving live systems onto new behaviour. Works closely with runtime, systems and operator teams.

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.

IonQ · Oxford

Architect, develop and maintain advanced UVM/SystemVerilog verification environments for complex FPGA designs, defining verification plans with constrained-random testing and functional coverage. Build automated regression suites and CI pipelines, and debug issues with RTL designers to support quantum control systems.