Latest Quantum Hardware Engineer Jobs

Quantum Engineer

Develops and characterizes superconducting quantum processors through experimental physics and quantum control techniques. Focuses on improving qubit performance, gate fidelity, and implementing quantum error correction. Works across device design, fabrication, and control systems in a cross-functional R&D environment.

Rigetti United States US$155,000 – US$200,000 pa

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

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

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

Deployment Physicist, On-premises Installation - 572

Installs and validates quantum computing systems (Helios) on customer premises globally, with deep involvement in atomic physics and qubit operations. Supports integration, shipment, and deployment activities, including international travel for on-site installations and remote support. Contributes to future post-Helios hardware development through design and validation phases.

Quantinuum United Kingdom

Hybrid

Physicist, System Operations

Operate and maintain trapped-ion quantum computing systems, focusing on reliability, observability, and automation. Diagnose hardware issues using telemetry data and collaborate across global teams to support both commercial and development systems. Contribute to process improvement and system uptime in a high-performance technical environment.

Oxford Ionics Daejeon, Korea (Republic of)

On-site Permanent

Director, System Software

Lead a team of software engineers developing the full-stack software that powers trapped-ion quantum computers, from real-time FPGA control systems to quantum compilers and application interfaces. Define and scale engineering processes, devops, and support workflows in a cross-disciplinary environment working closely with quantum scientists. The role is central to evolving the software architecture and team structure to support internal research and external customer delivery.

Oxford Ionics Oxford, United Kingdom

ASIC Layout Engineer

Design and produce full-custom, mixed-signal integrated circuit layouts for quantum computing applications, ensuring DRC/LVS compliance across multiple fabrication processes. Collaborate closely with IC designers to implement layouts from base cells to full chip level. Work within tight project schedules to deliver high-quality physical designs for advanced quantum technologies.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent Clearance Required

Finance Manager

Manages day-to-day finance operations including accounts payable/receivable, VAT returns, and month-end close processes. Ensures compliance with UK accounting standards and supports audit readiness. Focuses on improving financial controls, process efficiency, and automation within a growing quantum technology environment.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Senior Optical Engineer

This role involves leading the design, analysis, and integration of complex optical systems for quantum computing and sensing applications, from concept through to testing. The engineer will work across multidisciplinary teams to develop high-precision optical systems involving laser delivery, modulation, and imaging, with responsibilities spanning component-level work to large-scale subsystems. The position emphasizes hands-on development, simulation-driven design optimization, and rigorous validation in a cutting-edge quantum technology environment.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Operations & Inventory Manager

The Operations & Inventory Manager ensures efficient and scalable business operations by leading inventory strategy, supply chain coordination, and process optimisation. This role manages material flow, maintains accurate inventory records, and drives continuous improvement using data-driven insights. Close collaboration with procurement, engineering, finance, and project teams ensures operational readiness and support for project delivery timelines.

Infleqtion Oxford, United Kingdom

Hybrid Permanent

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

Integrated Photonics Engineer

Design and conduct experiments to characterize advanced integrated photonic circuits for quantum computing systems. Develop automated test workflows, analyze optical device performance, and collaborate with design teams to refine photonic components such as directional couplers, interferometers, and electro-optic modulators. Work within a high-tech R&D environment focused on scaling fault-tolerant quantum computers using silicon photonics.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £45,000 – £55,000 pa

On-site 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