Latest Quantum Cryptography Jobs

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

Contract

Technical Team Lead

This role involves leading a distributed UK-based engineering team while maintaining a strong hands-on contribution to the development of post-quantum cryptography systems. The Technical Team Lead will bridge technical delivery and people management, driving component design, full-stack implementation, and deployment within an Agile environment. Success requires balancing mentorship, code quality, and architectural execution in a high-performance, security-critical domain.

Arqit United Kingdom

Hybrid Permanent Clearance Required

I'd love to work at PQShield - Speculative Application

This speculative application role invites candidates to join a pioneering deep-tech startup focused on post-quantum cryptography and RISC-V-based secure computing. You'll work alongside founders and innovators on cutting-edge semiconductor solutions, contributing to groundbreaking security technologies in a flexible, inclusive environment. The role emphasizes collaboration, rapid learning, and real-world impact in a rapidly scaling field.

PQShield United Kingdom

Staff Product Certification Manager

This role involves leading security and safety certification efforts for semiconductor IP products, focusing on standards like SESIP, FIPS 140-3, ISO 26262, and ISO/IEC 62443. The candidate will drive certification strategy, engage with standardization bodies, prototype IP on FPGA, and demonstrate certifiability to customers. It's a technical leadership role at the intersection of post-quantum cryptography, RISC-V, and functional safety in a fast-moving deep tech environment.

PQShield United Kingdom

Quantum Software - Data Scientist

This role involves developing time series models for forecasting, anomaly detection, and predictive maintenance in quantum sensor systems. The Data Scientist will analyse large-scale sensor data, build predictive algorithms, and integrate models into real-time control systems, working closely with engineering and product teams. The position bridges data science, physics, and engineering in a cutting-edge quantum technology environment.

Infleqtion Harwell, United Kingdom

Hybrid Permanent

Quantum Scientist

This role involves pioneering advancements in quantum computing using trapped ion technology and proprietary laser-free control methods. Responsibilities include prototyping coherent control schemes, calibrating quantum systems, validating trap technologies, and analyzing experimental data to push the boundaries of system performance.

IonQ Oxford, United Kingdom

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

Quantum Operator

Operate and maintain ion-trap quantum computing hardware, performing calibration, optimisation, and system characterisation. Support the integration of new quantum hardware through close collaboration with physicists and engineers, while collecting and analysing experimental data to ensure reliable performance. Requires meticulous attention to detail and adherence to procedures in a cutting-edge research environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Quantum Control Designer

Design and model high-fidelity quantum control operations, translating theoretical physics into practical implementations on real quantum hardware. Collaborate closely with hardware teams to develop, test, and benchmark quantum operations, using experimental data to refine physics-based models. The role is central to advancing the performance and scalability of quantum computing systems.

Universal Quantum Haywards Heath, United Kingdom

Remote 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

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

Quantum Applications Scientist

This role involves co-designing quantum simulation applications tailored to QuEra’s neutral-atom quantum hardware. You'll develop novel algorithms and application pipelines in areas like quantum materials, quantum chemistry, and nuclear physics, while integrating near-term error correction techniques. The position requires close collaboration with academic partners, clients, and technical teams to bridge theory and hardware implementation.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Lead Quantum Engineer, Systems Performance

Leads cross-functional teams in advancing superconducting qubit systems through experimental design and technical innovation. Focuses on identifying performance bottlenecks and driving hardware improvements for scalable quantum computing. Involves hands-on experimentation, technical leadership, and shaping long-term quantum hardware roadmaps.

Rigetti United States US$190,000 – US$225,000 pa

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

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