Latest Quantum Cryptography Jobs

Electronics Engineer

AtUniversal Quantum, we aim to make the world a better place by engineering the future of computing. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ranging...

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

open application pool for Electronics Engineers

At Universal Quantum we are creating the impossible. Together we are creating truly impactful quantum computers. We are looking to hire an Electronics Engineers within the electronics team to enable Quantum technologies. Passionate about helping create technologies which can change...

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Photonics Technical Lead

The Photonics Technical Lead (PTL) is responsible for advancing Infleqtion's integrated photonics capabilities, leading the development and execution of photonics projects, and collaborating with multidisciplinary teams across the company's global operations. Key responsibilities include overseeing technical project execution, leading photonics R&D, managing technical personnel, and developing external partnerships to transition photonics technologies into commercial products.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Frequency Comb Photonics Engineer

This role involves hands-on development, characterisation, and integration of optical frequency comb technologies for quantum systems. Responsibilities include designing, building, and testing frequency comb systems, collaborating with multidisciplinary teams, and supporting applications like precision timing and laser stabilisation.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Mechanical Design Engineer – Photonic Hardware

This role involves the mechanical and thermal design, prototyping, and validation of high-specification photonic hardware for quantum computing. The engineer will work closely with photonics, systems, and architecture teams to develop robust, testable, and manufacturable hardware for controlled environments, focusing on precision assemblies, thermal management, and environmental control.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Intern, System Architecture

This role involves developing and simulating photonic quantum computing architectures by translating theoretical quantum protocols into physical system designs. Interns will work on building software prototypes, optimizing optical networks, and advancing new approaches to fault-tolerant quantum systems using silicon photonics and quantum information theory. The position bridges hardware, manufacturing, and quantum architecture in a high-impact research environment.

PsiQuantum United Kingdom £31,200 – £56,160 pa

Hybrid Internship

Senior Facilities Technician

The Senior Facilities Technician will be responsible for maintaining and operating critical facilities infrastructure, including HVAC, electrical, and plumbing systems, in laboratory, cleanroom, and manufacturing environments. The role involves hands-on maintenance, compliance tasks, contractor management, and ensuring system reliability and safety.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Staff FPGA Engineer

As a Staff FPGA Engineer, you will design and develop FPGA features for quantum control systems, working on RTL modules, real-time control logic, and high-speed signal processing. You will collaborate with a highly technical team to deliver best-in-class control systems for advanced quantum computing.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Finance Director

This role involves building and scaling financial operations for a high-growth quantum computing company, with responsibilities spanning financial planning, systems development, and cross-functional leadership. The Finance Director will establish FP&A frameworks, drive financial controls, and support strategic decision-making in a complex, R&D-intensive environment. They will lead a growing finance team and act as a key advisor across technical and commercial units during a critical scaling phase.

Riverlane Cambridge, United Kingdom

Hybrid Permanent

Graduate Verification Engineer

As a Graduate Verification Engineer, you will work on developing and executing verification plans for hardware blocks in Quantum Error Correction Systems. You will collaborate with multi-disciplinary teams to ensure high-quality and reliable systems, learning and applying best practices in verification along the way.

Riverlane Cambridge, United Kingdom £37,000 – £40,000 pa

Hybrid Permanent

Microwave and Cryogenics Engineer

This role involves hands-on testing, validation, and maintenance of advanced RF and cryogenic systems. You will work closely with interdisciplinary teams to support the development and operation of next-generation quantum processors, including troubleshooting complex systems and contributing to best practices.

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

On-site Permanent

Scientific Software Engineer - Compiler

This role involves developing and maintaining domain-specific languages for QuEra’s compiler pipeline, integrating high-level applications with low-level hardware, and collaborating with physicists and engineers to advance quantum computing technologies. You will work on cutting-edge challenges in compiler design, hardware integration, and quantum error correction, using tools like Python, C++, and Kirin.

Quera Computing United Kingdom

On-site Permanent

Field Engineer: Cryogenics and RF Hardware

This role involves hands-on operations and maintenance of advanced RF and cryogenic systems at a customer facility in Bangalore. You will work closely with physicists, engineers, and technicians to ensure reliable system performance, troubleshoot complex issues, and support the deployment of next-generation quantum processors.

Rigetti India

On-site Permanent

2026 Applied Scientist Intern, Amazon University Talent Acquisition

Are you a MS or PhD student interested in a 2026 internship in the field of machine learning, deep learning, generative AI, large language models and speech technology, robotics, computer vision, optimization, operations research, quantum computing, automated reasoning, or formal...

Amazon London, United Kingdom

Permanent

Director of Software US or UK - 800

The Director of Software will lead the development of a high-performance software stack for quantum computers, including front-end languages, compilers, and applications. This role involves managing teams, aligning with hardware advancements, and ensuring the software ecosystem meets industry standards.

Quantinuum United Kingdom US$238,050 – US$297,563 pa

On-site Permanent