Latest research 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

Senior Technical Program Manager - 769

Manages a portfolio of complex scientific and research projects in a quantum computing environment, translating technical objectives into clear delivery plans. Coordinates across research, commercial, and leadership teams to ensure visibility of progress, risks, and decisions. Focuses on disciplined project execution, stakeholder communication, and continuous improvement of program management practices.

Quantinuum London, United Kingdom

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

Senior Process Engineer - Physical Vapor Deposition (PVD)

This role involves owning the development, optimization, and qualification of physical vapor deposition (PVD) processes used in fabricating superconducting quantum processors. The engineer will monitor process health, lead root-cause investigations, and collaborate with cross-functional teams to improve device performance and scalability. It offers growing responsibility in setting technical direction and mentoring within a quantum computing hardware environment.

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

On-site Permanent

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

Senior Quantum Engineer, Gate Calibration

Designs and executes experiments to improve two-qubit gate fidelity on superconducting quantum processors, identifying error sources and implementing pulse engineering and calibration solutions. Develops robust, scalable calibration methods and provides feedback to hardware teams. Works across device physics, control systems, and software to advance quantum processor performance toward error correction.

Rigetti United States US$175,000 – US$200,000 pa

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 AMO Physicist - Inertial Sensing

The role involves developing atomic system designs for inertial sensing applications using atom-based quantum technologies. You will perform modelling, simulations, and analytical calculations, while integrating complex opto-mechanical systems, electronics, and software into quantum devices. The position requires close collaboration with physicists and engineers, conducting laboratory work from setup to system demonstration, and contributing to technical documentation, proposals, and publications.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Technical Product Manager (Software Security & Firmware)

This role involves defining and managing the product roadmap for security software, firmware, and cryptographic libraries that integrate with hardware IPs in a post-quantum secure environment. You'll work closely with customers, architects, and security researchers to harden firmware against hardware-level attacks like DPA and SCA, while translating cryptographic standards into technical requirements. The position demands deep technical expertise in embedded systems, RISC-V/Arm architectures, and end-to-end security integration within complex SoC environments.

PQShield United Kingdom

Hybrid Permanent

Senior Optical Fibre Engineer

This role involves developing and evaluating advanced optical fibre technologies for high-performance photonic systems used in quantum computing. The engineer will perform optical modelling, design experiments to validate fibre properties, and collaborate with internal teams and external partners to integrate fibres into larger optical platforms. Work focuses on specialty fibres with attention to modal behaviour, loss, dispersion, and coupling in demanding environments.

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

Senior Staff Analog Mixed-Signal Design and Modelling Engineer

This role involves developing high-fidelity behavioural models for cryo-CMOS mixed-signal integrated circuits used in quantum computing systems. You'll derive models from mathematical foundations, implement them in Verilog-A/AMS and real-number formats, and ensure correlation with schematic and silicon measurements. The position shapes modelling methodology and enables full-chip simulation across temperature extremes, directly supporting the development of control hardware for trapped-ion quantum processors.

IonQ Oxford, United Kingdom

PhD Studentship - Universal Layered Triple-Route Architecture for Heterogeneous Quantum-Classical Security

This role involves developing ULTRA, a novel 'Trinity' security framework that integrates quantum key distribution, post-quantum cryptography, and classical security into a unified encryption system. The research focuses on designing a universal model, synchronising multi-layered security streams, and formally proving the system's resilience. The candidate will also gain academic experience by delivering undergraduate and postgraduate teaching in cybersecurity as part of a 60% research, 40% teaching split.

Manchester Metropolitan University Manchester, Northern England, United Kingdom £31 pa

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