Latest Quantum Cryptography Engineer Jobs

Principal AMO Physicist

Contract Type: Full-time, PermanentLocation:Cambridge, UKVisa Sponsorship availableJoin Nu Quantum - Shaping the Future of TechnologyNu Quantum is at the forefront of quantum computing and advanced technology, driven by innovation, diversity, and a commitment to excellence. We’re creating an environment where...

Nu Quantum Cambridge, United Kingdom

On-site Permanent

AMO Physicist

Contract Type: Full-time, PermanentLocation:Cambridge, UKVisa Sponsorship availableJoin Nu Quantum - Shaping the Future of TechnologyNu Quantum is at the forefront of quantum computing and advanced technology, driven by innovation, diversity, and a commitment to excellence. We’re creating an environment where...

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Ion Transport 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

Supply Chain & Procurement Lead

AtUniversal 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. As we scale from...

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

HR Coordinator

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through...

Infleqtion Oxford, United Kingdom

Hybrid Permanent

Senior Manager, Corporate Communications (UK)

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through...

Infleqtion Oxford, United Kingdom

Hybrid Permanent

Optical Architect (Design)

The Optical Architect role involves designing and developing the optical aspects of quantum computing systems, translating abstract quantum protocols into hardware specifications. You will work closely with cross-functional teams to analyze, evaluate, and improve the architectural design, focusing on qubit networking and performance modeling.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Photon Source Engineer

The Photon Source Engineer will focus on developing and optimizing photon sources for quantum computing systems. Key responsibilities include designing computational models, optimizing nonlinear optical systems, and collaborating with the team to improve device performance and identify technological gaps.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £60,000 pa

On-site Permanent

Senior Software Engineer - Oxford

As a Senior Software Engineer, you will work on developing a quantum compiler, writing embedded firmware, designing high-level APIs, and advancing internal development infrastructure. You will collaborate with scientists and engineers to build and optimize quantum computing systems using Python, Rust, and custom hardware.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Senior Staff Analogue Designer

This role involves leading the development of key analogue electronics for Quantum Processor Units (QPUs) in a cutting-edge quantum computing environment. You will design, validate, and implement high-performance analogue circuits, collaborate with multi-disciplinary teams, and mentor junior engineers.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent Flexible

Senior Software Engineer - Open Source

As a Senior Software Engineer at Riverlane, you will lead the development of Deltakit, an open-source platform for building and simulating quantum error correction (QEC) experiments. Your role involves driving the design and delivery of new features, improving performance and usability, and ensuring the platform scales with growing user needs. You will also engage with the QEC community to gather feedback and translate it into meaningful improvements, while mentoring and guiding other engineers in the team.

Riverlane Cambridge, United Kingdom £72,000 – £90,000 pa

On-site Permanent

Senior Product Manager

As a Senior Product Manager for Riverlane's flagship Deltaflow product, you will shape the product's direction by engaging with customers, partners, and end users to gather insights and feedback. You will define the product strategy and roadmap, work cross-functionally to align priorities, and support go-to-market activities, ensuring the product remains grounded in real-world needs and market developments.

Riverlane Cambridge, United Kingdom £72,000 – £90,000 pa

Hybrid Permanent

Chief Platform Architect - 801

The Chief Platform Architect will lead the design and development of Quantinuum’s quantum software developer platform, ensuring scalability, security, and performance. Key responsibilities include defining the technical roadmap, mentoring senior engineers, and collaborating on hardware-software co-design efforts.

Quantinuum United States US$208,000 – US$260,000 pa

Hybrid Permanent

IC Layout Automation Software Engineer

This role involves developing and maintaining software systems that automate the design and layout of superconducting quantum circuits. The engineer will work at the intersection of software, IC layout, and semiconductor fabrication, translating device requirements into manufacturable layouts using tools like GDSII and EDA platforms. Collaboration with cross-functional teams in a research-driven environment is central to improving and scaling design tooling for quantum computing.

Rigetti United States US$190,000 – US$220,000 pa

On-site Permanent

Senior Software Engineering Manager

Leads a software engineering team building critical internal systems for quantum computer design, fabrication, and characterization. Focuses on developing scalable data platforms, scientific tooling, and workflow automation that integrate with hardware development processes across quantum physics and engineering domains.

Rigetti United States US$220,000 – US$250,000 pa

On-site Permanent