Latest Quantum Hardware Engineer Jobs

Field Engineer: Cryogenics & RF Hardware

This role involves operating, maintaining, and troubleshooting advanced cryogenic and RF systems for quantum processors at customer sites worldwide. The engineer will perform cooldowns, diagnose faults in dilution refrigerators, validate RF hardware, and manage vacuum and helium systems in a production-like research environment. Frequent international travel and on-call support are required to ensure system uptime and collaborate with global teams.

Rigetti United States US$115,000 – US$140,000 pa

Senior Mechanical Engineer - Cryogenic

Design and own the mechanical architecture of quantum computing systems, focusing on cryogenic hardware from room temperature down to millikelvin stages. Lead the development of signal chains, thermal interfaces, and integration within dilution refrigerators, working closely with physicists and RF engineers. Perform simulation, tolerance analysis, and qualification testing in a high-ownership role driving hardware from concept to production.

Rigetti United States US$165,000 – US$190,000 pa

On-site Permanent

Supply Chain & Procurement Lead

Lead the design and operation of a global supply chain for complex quantum computing hardware, managing end-to-end procurement, supplier relationships, and logistics. Work closely with engineering and cross-functional teams to mitigate supply risks and ensure timely delivery of critical components. Implement practical tools and processes to support scaling while ensuring compliance with international regulations.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Junior AMO Physicist

This role involves hands-on development and operation of experimental neutral atom quantum computing systems, focusing on laser-cooled atoms, ultra-high vacuum setups, and precision optics. The candidate will work closely with physicists and engineers to integrate hardware components, conduct quantum experiments, and optimise system performance. It offers early-career researchers a chance to contribute directly to commercial quantum computing platforms while gaining expertise in AMO physics and quantum engineering.

Infleqtion Harwell, United Kingdom

Hybrid Permanent

General Interest in working for Quantinuum - London-Cambridge-Oxford

This is a general interest application role for candidates with experience or interest in quantum technologies. The position serves as a talent pool for future openings across quantum hardware, software, quantum chemistry, AI/ML, encryption, and algorithms. Applicants may be contacted for specific roles in London, Cambridge, or Oxford as opportunities arise.

Quantinuum United Kingdom

On-site Permanent

Sr. AMO Physicist

The role involves advancing neutral-atom quantum computing technologies through hands-on experimental work, including designing, testing, and improving quantum processing units. The physicist will collaborate with cross-functional teams to characterize systems, reduce noise and decoherence, and validate subsystems. This position is based at Quera's Harwell site and includes engagement with academic and industry partners.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Technical Product Manager (Software Security & Firmware)

This role involves defining and managing the product roadmap for security software, firmware, and cryptographic libraries that integrate with hardware IPs in a post-quantum secure environment. You'll work closely with customers, architects, and security researchers to harden firmware against hardware-level attacks like DPA and SCA, while translating cryptographic standards into technical requirements. The position demands deep technical expertise in embedded systems, RISC-V/Arm architectures, and end-to-end security integration within complex SoC environments.

PQShield United Kingdom

Hybrid 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 Optics Technician

The Senior Optics Technician will join the Optical Manufacturing team to build and commission optics and laser assemblies for quantum systems. Responsibilities include precision optical assembly, system maintenance, and maintaining a safe laboratory environment.

IonQ Oxford, United Kingdom

Partner Lead, EMEA

The Partner Lead, EMEA role involves developing and managing a select group of lighthouse channel and reseller partners to drive early adoption of IonQ's quantum technology portfolio. Responsibilities include building deep relationships with local and global partners, co-selling early engagements, and creating reusable success stories and playbooks for expansion.

IonQ United Kingdom

Mechanical Design Engineer – Photonic Hardware

This role involves designing precision mechanical and thermal systems for photonic quantum computing hardware, focusing on robustness, manufacturability, and performance in controlled environments. The engineer will work closely with cross-functional teams to translate system requirements into hardware solutions, conduct simulation and validation, and support prototyping and supplier collaboration. The position is based at Daresbury and supports the development of scalable, fault-tolerant quantum systems.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £50,000 – £56,000 pa

On-site Permanent

FPGA Engineer

Design and implement FPGA-based solutions for high-performance hardware platforms used in cybersecurity, data centres, and advanced computing. Work across the full development lifecycle from prototyping to production, developing RTL, building communication interfaces, and supporting system validation in collaboration with hardware and software teams.

IC Resources Oxford, Eng, United Kingdom

On-site Permanent

Internship at Quantinuum’s UK QEC team

Work on cutting-edge quantum error correction research, contributing to architectural design and implementation of QEC systems. Engage in hands-on projects involving algebraic geometry, tensor networks, or fault-tolerant quantum computing, with potential to publish or develop software libraries. Collaborate closely with researchers and engineers in a high-impact technical environment.

Quantinuum United Kingdom £2,500 pm

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

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