Latest Quantum Cryptography Jobs

Recruiting Lead

At Universal Quantum, we are building the next generation of quantum computers — machines capable of solving problems once thought impossible. Our technology has the potential to transform industries from healthcare to aerospace, materials science, and beyond.We are seeking a...

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Atomic Operations Designer

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

Hybrid 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

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 Optical Packaging & Assembly Engineer

PsiQuantum’s mission is to build the first useful quantum computers—machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems.Quantum computers harness...

PsiQuantum Runcorn, WA7 1UP, United Kingdom

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

Photonic Layout Engineer

As a Photonic Layout Engineer, you will be responsible for the layout of photonic integrated circuits (PICs) that are crucial for the Quantum Processor Units (QPUs) in Oxford Ionics' quantum computers. You will work closely with scientists, photonic design engineers, and fabrication engineers to integrate photonic components into multi-layer chips, ensuring the effective delivery of devices that support scaling to thousands of qubits. Your role will involve layout verification, producing reticle-size layout files, and contributing to the design workflow of integrated photonics.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Director of Open-Source Software

Cambridge, UK | Full-time | Permanent | HybridSalary: £125,000 to £150,000 DOE + Bonus + EquityAbout usRiverlane’s mission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science,...

Riverlane Cambridge, United Kingdom

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

Lead Electrical Engineer, Control Systems

This role involves designing, developing, testing, and deploying hardware for quantum computing, specifically focusing on low-noise mixed-signal board design. The Lead Electrical Engineer will collaborate with a multidisciplinary team to deliver cutting-edge quantum control solutions, mentor junior engineers, and drive technical excellence in a fast-paced environment.

Rigetti United States US$165,000 – US$215,000 pa

On-site 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

Sr. Control System Engineer/Site Reliability Engineer (SRE)

This role involves integrating and maintaining the hardware and software systems that control QuEra’s quantum computers. Responsibilities include managing infrastructure, implementing automated procedures, and ensuring the reliability and stability of both development and production environments.

Quera Computing United Kingdom

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

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