Quantum Computing Jobs

Software Engineer, System Orchestration

This role involves building and maintaining the software that keeps IonQ's quantum computers calibrated and running efficiently. You will work on scheduling, calibration, and data persistence, collaborating closely with the runtime, systems, and operations teams.

IonQ Oxford, United Kingdom

Senior Mechanical Engineer

The Senior Mechanical Engineer will work on the hardware surrounding the quantum processor, including cryostat requirements, cooling equipment, vacuum chambers, and supporting structures. Responsibilities include mechanical integration, CAD design, and managing documentation, with a focus on complex multidisciplinary systems.

IonQ Oxford, United Kingdom

Director of Software Engineering

This role involves leading the development of next-generation software products and architectures for Post-Quantum Cryptography (PQC). Responsibilities include defining the software engineering strategy, mentoring a team, and ensuring the design and implementation of secure and efficient cryptographic solutions. The role requires strong leadership, technical expertise in cryptography, and experience in secure software development.

PQShield United Kingdom

Sales Director - Japan

Lead sales strategy and execution for a post-quantum cybersecurity company in Japan, targeting enterprise clients in semiconductor, telecom, automotive, and security sectors. Drive market expansion by building relationships with key stakeholders and closing high-value technical IP deals. Collaborate with field application engineers and global teams to align product development with customer needs.

PQShield United Kingdom

Senior Quality Engineer

This role involves establishing and leading a Quality Management System for quantum computing hardware, with direct responsibility for incoming quality control, non-conformance resolution, and supplier quality. The engineer will inspect high-precision components like machined parts, PCBAs, and RF hardware used in cryogenic environments, while embedding quality into new product introductions and driving continuous improvement across manufacturing and development processes.

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

Electronics Engineer

Designs and develops RF and high-speed electronic systems for quantum photonic hardware, including electro-optic modulation, low-latency control, and readout systems for superconducting nanowire single-photon detectors. Works closely with photonics and quantum engineering teams to integrate electronics into advanced quantum computing systems using silicon photonics. Involves FPGA-based control, signal integrity optimization, and testing in lab environments.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £50,000 – £57,000 pa

Senior Software Engineer, Internal Systems

This role involves owning and improving data-intensive Python services and applications, working closely with quantum engineers and fabrication engineers to build scalable and sustainable software. The position offers opportunities to grow in a fast-paced, R&D-driven environment, contributing to the development of cutting-edge quantum computing systems.

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

Hybrid

PDRA in Theoretical Quantum Science

This role involves conducting theoretical research at the intersection of quantum chaos, quantum control, and quantum technologies, with a focus on fundamental questions in quantum information, many-body dynamics, and operator growth. The researcher will develop analytical and numerical methods to study complex quantum systems, particularly in the context of neutral-atom quantum processors, and contribute to grant writing, publications, and student supervision within a collaborative, interdisciplinary environment.

University of Strathclyde Glasgow, G2 1AL, United Kingdom £37 – £46 pa

Contract

ASIC Layout Engineer

Design and produce full-custom, mixed-signal integrated circuit layouts for quantum computing applications, ensuring DRC/LVS compliance across multiple fabrication processes. Collaborate closely with IC designers to implement layouts from base cells to full chip level. Work within tight project schedules to deliver high-quality physical designs for advanced quantum technologies.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent Clearance Required

Senior Optical Packaging & Assembly Engineer

The role involves developing and implementing high-performance opto-electronic packaging workflows for photonic integrated circuits. Responsibilities include designing optical packages, aligning fibers to chips, and collaborating with internal and external teams to scale packaging processes.

PsiQuantum Daresbury, United Kingdom

RF- Electronics Engineer

Design and validate RF PCBs and architectures for a custom RF delivery system in support of quantum computing hardware. Work across disciplines to develop innovative RF solutions and contribute to proof-of-concept testing and system integration. Collaborate closely with engineers and physicists in a fast-paced R&D environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Sr. AMO Physicist

The role involves advancing neutral-atom quantum computing technologies through hands-on experimental work, including designing, testing, and improving quantum processing units. The physicist will collaborate with cross-functional teams to characterize systems, reduce noise and decoherence, and validate subsystems. This position is based at Quera's Harwell site and includes engagement with academic and industry partners.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Embedded DevOps Engineer

This role focuses on building and maintaining robust CI/CD pipelines, hardware-in-the-loop testing, and infrastructure-as-code systems to support quantum computing and sensor development. The engineer will manage software deployment, system security, and lab infrastructure, ensuring high uptime and traceable, reliable releases across integrated software, firmware, and gateware. Close collaboration with both hardware and software teams is essential in a research-driven lab environment.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Advanced R&D Scientist - Quantum Algorithms - 920

Develop novel quantum algorithms focused on computational topology and geometry, with an emphasis on extracting topological and geometric invariants from data. Implement and optimize these algorithms on Quantinuum’s quantum hardware, using error mitigation and quantum error correction techniques. Collaborate across the quantum stack and with external partners to advance real-world applications of quantum topological data analysis, while publishing results in top journals and conferences.

Quantinuum United Kingdom

Hybrid Permanent

Senior AMO Physicist - Quantum RF

This role involves experimental research and development in atomic, molecular, and optical (AMO) physics for quantum RF sensor systems. The physicist will design and integrate complex opto-mechanical systems, lead high-value research projects, and collaborate with multidisciplinary teams to advance quantum technologies. A strong focus is on translating product requirements into atomic system designs and demonstrating working quantum devices.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent