Quantum Computing Jobs

Staff Supplier Quality Engineer

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, United Kingdom

Senior Silicon Validation Engineer

This role involves leading the validation and characterisation of analogue and mixed-signal ASICs for trapped-ion quantum processors. Responsibilities include developing validation strategies, building reusable hardware and software, and conducting cryogenic measurements to ensure silicon acceptance.

IonQ Oxford, United Kingdom

Quantum Specialist KTP Associate

This role involves leading the commercialisation of an optical atomic clock, working with experts from the University of Sussex and CPI TMD Technologies. Responsibilities include reviewing and redesigning atomic clock subsystems, sourcing components, and integrating and characterizing the system.

University of Sussex Falmer, South East England, United Kingdom £51 – £56 pa

Contract

Research Fellow in Quantum Technology

The role involves working on a 12-month postdoctoral project to develop a distributed quantum network using trapped ions and photons. Responsibilities include setting up and testing a multi-zone ion trap, implementing an efficient ion-photon interface, and simulating novel schemes for ion-photon entanglement.

University of Sussex Falmer, South East England, United Kingdom £38 – £46 pa

Contract

Quantum Software Engineer - Algorithms & Applications

Develops quantum algorithms and applications for near-term and fault-tolerant quantum systems, focusing on simulation, optimization, and hybrid quantum-classical workflows. Works across software, hardware, and research teams to implement and optimize algorithms using modern quantum SDKs and compiler toolchains. Contributes to customer support, proposal development, and scientific publication in high-impact journals.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior Sales Engineer (FAE)

This role involves supporting sales through the technical integration of cryptography software and hardware into large manufacturers and enterprises. You will work closely with the sales, engineering, and management teams to understand customer requirements, provide technical solutions, and ensure successful customer onboarding.

PQShield United Kingdom

Lead Software Engineer

Leads a cryptographic software IP team, overseeing the full software development lifecycle from design to customer delivery. Responsible for technical leadership, architectural decision-making, mentoring engineers, and ensuring high-quality implementation of embedded security solutions. Works closely with hardware teams and customers, with a strong focus on post-quantum cryptography and secure software design.

PQShield United Kingdom

Remote Permanent

Senior Mechanical Engineer

This role involves leading the mechanical design and integration of hardware systems for quantum computing platforms, including cryostat internal architecture, RF signal delivery, and silicon device packaging. You will collaborate with physicists, RF engineers, and external partners to develop high-performance systems for ultra-low-temperature environments.

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

Hybrid

Director, Global Quantum System Deployment

This role involves leading the global deployment and lifecycle support of on-premise quantum computing systems, overseeing end-to-end integration from factory to customer site. The position requires building and scaling a field engineering team, managing complex hardware installations including cryogenic and RF systems, and ensuring performance and reliability across international clients. It is a senior technical leadership role focused on operational excellence in quantum system delivery.

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

Hybrid

Mechanical Design Engineer – Photonic Hardware

This role involves designing precision mechanical and thermal systems for photonic quantum computing hardware, focusing on robustness, manufacturability, and performance in controlled environments. The engineer will work closely with cross-functional teams to translate system requirements into hardware solutions, conduct simulation and validation, and support prototyping and supplier collaboration. The position is based at Daresbury and supports the development of scalable, fault-tolerant quantum systems.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £50,000 – £56,000 pa

On-site Permanent

Senior Photonics Engineer, Optical Interfaces

Develops ultra-low-loss optical interface solutions between dissimilar waveguiding platforms using photonic device design, simulation, and experimental validation. Focuses on mode conversion and coupling for scalable quantum computing systems. Works closely with internal teams and external partners to mature practical, manufacturable solutions.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £64,000 – £76,500 pa

On-site Permanent

Research Associate in Optimal Quantum

The role involves designing optimised driving patterns for noise-resilient quantum gates using both analytical and numerical tools. You will collaborate closely with experimental and theory partners to identify and mitigate sources of imperfections in quantum gate fidelities.

Imperial College London London, United Kingdom £50 – £62 pa

Contract

Systems Integration Engineer - Sensing

The Systems Integration Engineer role involves developing and integrating hardware, software, and firmware interfaces for advanced quantum sensing systems. Responsibilities include system-level integration, troubleshooting, and testing of complex optical and atomic physics systems, working closely with multidisciplinary teams to ensure successful end-to-end integration.

Infleqtion Kidlington, Oxfordshire, United Kingdom

Hybrid Permanent

Head of Systems Engineering

The Head of Systems Engineering will lead the definition and implementation of complex quantum computing systems, working across multiple engineering domains to ensure product requirements are met. The role involves technical leadership, organisational development, and programme delivery, with a focus on system-level engineering rigour from concept to customer deployment.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Electronics Engineer - HDL

Design and implement HDL-based system solutions for quantum computing control systems, with responsibility for circuit design, verification test documentation, and cross-disciplinary collaboration. Contribute to rapid prototyping and feasibility studies while gaining exposure to advanced electronics and quantum technologies. Work closely with mechanical, software, and physics teams to deliver state-of-the-art firmware and control infrastructure.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent