Latest Quantum Computing Scientist Jobs

Quantum Algorithms Scientist

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol, UK. In...

Phasecraft London, United Kingdom

Hybrid Permanent

Quantum Algorithms Engineer

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol, UK. In...

Phasecraft Bristol, United Kingdom

Hybrid Permanent

Research Intern: Scalable Fabrication of Superconducting Quantum Devices

The role involves hands-on fabrication of superconducting qubits and Josephson tunnel junctions in a cleanroom environment. Responsibilities include CAD layout, lithography, plasma etching, and device characterization, with a focus on scalable nanofabrication processes.

Rigetti United States US$35 – US$50 ph

On-site Internship

Scientific Software Engineer - Compiler

Develops and maintains compiler infrastructure for neutral-atom quantum computers, designing domain-specific languages and integrating simulation tools into a full-stack pipeline. Works closely with physicists and hardware engineers to co-design compilers aligned with cutting-edge quantum error correction and hardware. Involves low-level intermediate representations, quantum program optimization, and cloud integration.

Quera Computing Vale Of White Horse, United Kingdom US$102,400 – US$166,400 pa

On-site Permanent

Senior Technical Program Manager (TPM)

This role involves leading the end-to-end planning and execution of complex, multidisciplinary technical programs in quantum computing, integrating hardware, cryogenics, control systems, and software. The Senior Technical Program Manager will coordinate across research and engineering teams to align milestones, manage dependencies, and ensure timely delivery of deployable quantum systems. It is a systems-focused leadership role in a fast-paced, research-driven deep-tech environment.

Rigetti United States US$160,000 – US$190,000 pa

Hybrid Permanent

General Interest in working for Quantinuum - London-Cambridge-Oxford

This is a general interest application role for candidates with experience or interest in quantum technologies. The position serves as a talent pool for future openings across quantum hardware, software, quantum chemistry, AI/ML, encryption, and algorithms. Applicants may be contacted for specific roles in London, Cambridge, or Oxford as opportunities arise.

Quantinuum United Kingdom

On-site Permanent

Optics Technician

This role involves hands-on support for the assembly and maintenance of quantum computer systems, including optical, mechanical, and electrical components. The technician will work in a lab and workshop environment, ensuring safety and producing technical documentation.

IonQ Oxford, United Kingdom

Senior FPGA Verification Engineer

This role involves designing and implementing advanced UVM/SystemVerilog verification environments for FPGA-based quantum control systems. The engineer will develop simulation infrastructure, define verification plans with functional and code coverage, and collaborate with RTL teams to debug and ensure design quality. The position is central to ensuring the reliability of hardware supporting cutting-edge quantum computing systems.

IonQ Oxford, United Kingdom

R&D Manager - Software -914

This role involves leading a team of software engineers to develop and mature quantum programming languages, compilers, and developer tools such as Guppy, HUGR, and TKET. The position balances technical leadership with people management, guiding the full software development lifecycle from research to production. The team collaborates closely with research, hardware, and product groups across the UK and US to ensure the software stack supports cutting-edge quantum processors.

Quantinuum Cambridge, United Kingdom

Hybrid

Quantum Error Correction Scientist

Design and simulate quantum error correction protocols tailored to hardware capabilities, characterise qubit noise profiles, and perform resource estimation for large-scale quantum computing applications. Contribute to hardware and software optimisation decisions to improve error correction performance. Work within a forward-thinking team focused on building scalable, impactful quantum computers.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Quantum Software Engineer - QEC

Designs and implements quantum error correction (QEC) protocols for scalable, high-fidelity quantum computation, with a focus on neutral atom platforms. Develops custom decoders, models noise processes, and collaborates with hardware and software teams to translate theoretical QEC frameworks into practical implementations. Engages in research, simulation, and cross-team collaboration to advance fault tolerance in quantum systems.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior Quantum Applications Architect

This role involves developing and adapting quantum algorithms for fault-tolerant quantum computers, translating real-world computational problems into abstract quantum specifications, and analyzing their performance and resource requirements. The candidate will lead research initiatives, collaborate with internal teams and external partners across industries like life sciences and sustainability, and help define benchmarks that demonstrate quantum advantage. Close interaction with the Compilation and Architecture teams ensures algorithmic designs are grounded in practical photonic quantum computing constraints.

PsiQuantum Daresbury, United Kingdom £78,900 – £92,900 pa

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

Research Associate in Quantum Computation

This role involves conducting cutting-edge theoretical research in quantum computation, focusing on error suppression across the full stack—from hardware-level noise mitigation to fault-tolerant systems. The researcher will engage in analytical and numerical work, collaborate with experimental and industrial partners, and contribute to scalable quantum architectures. Access to high-performance computing and cloud-based quantum hardware supports simulation and verification of new methods.

Imperial College London London, United Kingdom £50 – £59 pa

Contract

QRF Lead Engineer

The Lead Engineer will drive the development and integration of quantum RF systems, translating complex R&D into robust, deliverable products. Responsibilities include system architecture, design, verification, and transitioning prototypes to production, while managing cross-functional engineering teams and ensuring scientific requirements are met.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent