Latest Quantum Cryptography Engineer Jobs

I'd love to work at PQShield - Speculative Application

Join Our Pioneering Team in Post-Quantum Cryptography and RISC-VEstablished in 2018, our deep-tech startup is at the forefront of developing a RISC-V MCU-based subsystem, integrating advanced post-quantum cryptography algorithms and security features. With the feasibility of our technology confirmed and...

PQShield United Kingdom

Quantum Scientist - Applied QEC

This role involves working closely with Riverlane's partners to design, run, and interpret quantum computing experiments, focusing on quantum error correction (QEC). You will support customers in achieving their first QEC results, collaborate with internal teams to resolve issues, and contribute to ongoing research and product development. The position requires a strong background in quantum computing and excellent communication skills.

Riverlane Boston, United Kingdom £135,000 – £170,000 pa

Hybrid Permanent

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 Scientist, Quantum Computing Services

This role involves developing and operating QuEra's Gemini-class quantum computer at the AIST facility in Tsukuba, Japan. Responsibilities include system integration, performance optimization, customer collaboration, and scientific application support, working closely with teams in the US and Japan.

Quera Computing United Kingdom

On-site Permanent

Quantum Solutions Lead

This role involves leading a team of researchers to develop algorithms and applications for neutral atom quantum hardware, collaborating with Japanese companies, academic institutions, and government labs. Responsibilities include project management, identifying key opportunities, and representing QuEra at conferences. The position is at the forefront of quantum computing development, focusing on practical applications in diverse fields such as finance, operations research, and machine learning.

Quera Computing United Kingdom

On-site Permanent

Senior Quantum Sales Director

This role involves identifying, developing, and closing strategic opportunities for IonQ's quantum computing solutions across various sectors including enterprise, government, defence, and research. The Senior Quantum Sales Director will build relationships with senior leaders, lead complex sales cycles, and position IonQ as a critical partner in next-generation computing.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Lead Quantum Error Correction Researcher

As a Senior Quantum Error Correction Researcher, you will lead high-impact research projects and manage a small team within a multidisciplinary group. Your role involves hands-on research, mentoring, and strategic direction, contributing to Riverlane's mission of building the world's first QEC stack and advancing fault-tolerant quantum computing.

Riverlane Cambridge, United Kingdom £72,000 – £140,000 pa

Hybrid Permanent

Senior Quantum Systems Architect - UK-064

Quantum is now, and it's built here.Oxford Ionics, now part of IonQ, is pioneering the next generation of quantum computing. Using our world-leading trapped-ion technology, we’re building the most powerful, accurate and reliable quantum systems to tackle problems that today’s...

Oxford Ionics Oxford, United Kingdom

Lead Quantum Device Theorist

As a Lead Quantum Device Theorist, you will work on advancing the performance of superconducting quantum processors by developing advanced simulation tools, modeling noise sources, and improving gate and readout performance. You will collaborate closely with experimental teams and specialists in various areas to drive innovations in scalable architectures and quantum error correction.

Rigetti United States US$195,000 – US$225,000 pa

On-site Permanent

Senior Quantum Engineer, Readout

This role involves optimizing superconducting qubit readout and reset on Rigetti’s quantum processors and fault-tolerant prototypes. You will lead experimental efforts to improve measurement protocols, signal chains, amplifiers, and device layouts, collaborating with interdisciplinary teams to advance the speed and fidelity of readout and reset.

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

On-site Permanent

Business Development Manager - Quantum

ABOUT THE COMPANYInfleqtion is a global leader in quantum-enabled sensing, positioning, timing, and quantum computing technologies. Our technologies serve commercial enterprises, critical infrastructure operators, and government customers across global markets.LOCATIONInfleqtion has offices in the USA, United Kingdom and Australia. This...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Business Development Manager - Quantum for Defence & Space

ABOUT THE COMPANYInfleqtion is a global quantum technology company delivering advanced sensing, precision timing, and quantum computing technologies to government and commercial customers. We develop and deploy cutting-edge quantum solutions that enhance navigation, positioning, communications, quantum information processing, and sensing...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior Staff Field Engineer - Quantum Applications - Europe

As a Senior Staff Field Engineer at IonQ, you will lead client discussions, inspire them to implement quantum applications in their business, and work on Proof-of-Concepts with the IonQ Application team. You will also navigate competitive objections, create technical assets, and partner with various teams to grow IonQ's presence in the quantum computing market.

IonQ Oxford, United Kingdom

Hybrid Permanent

Senior Physicist - Quantum RF (All levels)

This role involves leading research and development in atomic, molecular, and optical (AMO) physics with a focus on quantum RF sensing technologies. The physicist will design and optimise atomic systems, integrate opto-mechanical and electronic components into functional quantum devices, and validate system performance. The position emphasizes translating advanced physics concepts into scalable commercial solutions within defence and security applications.

Matchtech Oxfordshire, United Kingdom £50,000 – £150,000 pa

Hybrid Permanent Clearance Required

Sr. Director, Offering Management – Quantum Developer Platform - 836

This role involves leading the strategy and execution of a cloud-based quantum developer platform, simplifying quantum workflows, and aligning platform capabilities with quantum hardware roadmaps. The Sr. Director will define platform features, establish KPIs, and champion best practices for developer experience, while partnering with engineering and ecosystem teams to drive adoption and growth.

Quantinuum United Kingdom

On-site Permanent