Latest Quantum Cryptography Jobs

Spotlight

Quantum Computational Science Specialist..

Lead the development of quantum computational science methods for future multi-physics simulation capabilities, focusing on error-corrected algorithms and hybrid quantum-classical workflows. Develop and implement quantum algorithms using high-performance computing for emulation, with applications in linear solvers, state reconstruction, and tensor networks. Collaborate with academic, industrial, and government partners to shape Rolls-Royce's quantum computing strategy and influence internal adoption of new methods.

Rolls Royce Derby, Derbyshire, DE1 3AE, United Kingdom

Hybrid Permanent

Spotlight

Director of Technology - Quantum

Lead the strategic development and delivery of quantum and photonics technology programmes across research, industry, and government stakeholders. Drive collaborative R&D initiatives, define technology roadmaps, and mentor technical teams focused on software, algorithms, and use cases—without hardware development. Shape national capability by translating emerging quantum technologies into practical applications and informing policy through evidence-based experimentation.

Digital Catapult London, United Kingdom £100,000 – £130,000 pa

Hybrid Permanent

Quantum & Cryptography Principal Sales Specialist, UK Public Sector

Lead commercial strategy for AWS quantum computing and cryptography services across UK public sector institutions, from central government and defence to NHS and local authorities. Drive adoption of quantum-safe technologies and cybersecurity solutions by engaging senior leaders, shaping go-to-market plans, and navigating complex procurement environments. Work at the intersection of national security, emerging tech, and public service transformation to deliver mission-critical outcomes.

Amazon London, United Kingdom

Hybrid Permanent Clearance Required

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

Senior Software Engineer

This role involves designing and implementing secure embedded software for classical and post-quantum cryptographic systems, with a focus on performance, correctness, and resistance to side-channel and fault injection attacks. The engineer will work across the full development lifecycle, integrating cryptographic solutions on ARM and RISC-V platforms, collaborating with hardware and security teams, and ensuring compliance with standards like FIPS and NIST. The position requires deep expertise in low-level programming and cryptographic algorithm implementation in resource-constrained environments.

PQShield United Kingdom

Remote Permanent

Quantum Scientist - UK-070

A Quantum Scientist will conduct advanced research to develop and optimize trapped-ion quantum computing systems. The role involves designing and running experiments, calibrating quantum hardware, benchmarking performance, and improving control schemes. Scientists analyze complex data, debug system interactions, and collaborate closely with engineering teams to advance system reliability and scalability.

Oxford Ionics 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 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

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 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

Senior Experimental Quantum Physicist

Lead and optimize experimental ion-trap quantum computing systems, from concept to execution, focusing on quantum control, measurement, and system calibration. Develop theoretical models and simulations to guide technical decisions and improve hardware performance. Collaborate across physics and engineering teams while mentoring junior scientists and advancing next-generation quantum computing technologies.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

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

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

Senior Manager - Quantum Development Tools - 929

This role involves leading engineering teams to develop core quantum software tools, including quantum programming languages, compilers, and toolkits like TKET and Guppy. The manager will guide the evolution of experimental prototypes into robust, production-grade software while collaborating with hardware, theory, and product teams globally. Emphasis is on technical leadership in compiler design and developer tooling within a cutting-edge quantum computing environment.

Quantinuum Cambridge, United Kingdom

Hybrid