Latest Quantum Cryptography Jobs

Spotlight

Senior Technical Programme Manager

This role involves leading and coordinating the delivery of complex R&D software and scientific projects, ensuring alignment between scientific research, software engineering, and business objectives. Responsibilities include project planning, cross-functional team coordination, risk management, and stakeholder communication.

Quantemol Ltd London, United Kingdom

Hybrid Permanent

Spotlight

Quantum Error Correction Researcher (Algorithms)

As a QEC Researcher (Algorithms) at Riverlane, you will work on quantum algorithms and their implementation on future fault-tolerant quantum computers. You will collaborate with a multidisciplinary team, contribute to academic research, and optimize quantum circuit compilation for specific QEC primitives.

Riverlane Cambridge, United Kingdom £60,000 – £85,000 pa

Hybrid Permanent

Senior Quantum Sales Director, South Korea

The Senior Quantum Sales Director will lead strategic sales growth in South Korea, developing high-value commercial and government opportunities. Responsibilities include building executive relationships, progressing complex sales opportunities, and aligning customer needs with IonQ’s quantum computing platform.

Oxford Ionics Daejeon, Korea (Republic of)

On-site Permanent

Cryptographer

The Cryptographer role involves collaborating with sales and technical teams to explain cryptographic concepts, prepare technical presentations, and design secure solutions. You will also support RFP responses, risk assessments, and engage with the academic cryptography community, maintaining up-to-date knowledge of cryptographic protocols and compliance standards.

Arqit United Kingdom

Hybrid Permanent

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

Senior Software Engineer

As a Senior Software Engineer at PQShield, you will design and implement secure cryptographic solutions, focusing on classical and post-quantum cryptography. You will work on optimizing performance, hardening implementations against attacks, and ensuring compliance with security standards. Collaboration with cross-functional teams, including hardware and security engineers, is key to this role.

PQShield United Kingdom

Remote Permanent

Quantum / Senior Quantum Community Engineer

This role involves promoting and supporting the use of Deltakit, Riverlane’s open-source software toolkit for quantum error correction. You will run workshops, give talks, support users, build relationships within the quantum community, and provide feedback to the product and engineering teams to improve Deltakit.

Riverlane Cambridge, United Kingdom £65,000 – £90,000 pa

Hybrid Permanent

Quantum Computing Programme Lead

The Quantum Computing Programme Lead will take end-to-end ownership of one generation of trapped-ion quantum computers, from architectural concept to successful deployment at customer sites. This role involves cross-functional collaboration, technical decision-making, and ensuring alignment with product, customer, and engineering goals.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Quantum Electronics Engineer

The Quantum Electronics Engineer will design and develop advanced electronic and electro-optic systems for quantum computing, focusing on RF design, electro-optic modulation, and low-latency control systems. You will collaborate closely with senior engineers and photonics teams to integrate electronics with optical systems and optimize complex quantum hardware.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

Quantum Systems Engineer

The Quantum Systems Engineer will design, build, and validate quantum photonic subsystems and experiments, contributing to the development of fault-tolerant quantum computers. Responsibilities include implementing quantum interference experiments, developing entangling circuits, and integrating subsystems into larger quantum architectures.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Quantum Microchip Designer (Ion Traps)

Design and develop microfabricated Paul traps for scalable quantum computers, focusing on electromagnetic and thermo-mechanical simulation, layout optimisation, and collaboration with fabrication partners. Work closely with package designers and internal stakeholders to ensure manufacturability and performance. The role involves end-to-end ownership of trap design from concept to testing.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Quantum Algorithms Scientist - Implementations

This role involves developing and implementing quantum algorithms on real quantum hardware to advance near-term applications. The scientist will conduct theoretical research and practical experiments, optimizing algorithms, analyzing resources, and testing on devices from partners like Google and IBM. Work spans algorithm design, error mitigation, and hardware benchmarking to drive foundational progress in quantum computing.

Phasecraft Bristol, United Kingdom

Hybrid Permanent

Quantum Control Scientist

Contract Type: Full-time, PermanentLocation:Cambridge, UKVisa Sponsorship availableJoin Nu Quantum - Shaping the Future of TechnologyNu Quantum is at the forefront of quantum computing and advanced technology, driven by innovation, diversity, and a commitment to excellence. We’re creating an environment where...

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Quantum Software Engineer - QEC

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Software Engineer - Algorithms & Applications

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Algorithms Scientist - Optimization

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 in the...

Phasecraft Bristol, United Kingdom

Hybrid Permanent